Adding upstream version 4.22.0.upstream/4.22.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 7517 insertions, 0 deletions

diff --git a/templates/man5/btrfs.5.pot b/templates/man5/btrfs.5.pot
new file mode 100644
index 00000000..84f318fe
--- /dev/null
+++ b/templates/man5/btrfs.5.pot
@@ -0,0 +1,7517 @@
+# SOME DESCRIPTIVE TITLE
+# Copyright (C) YEAR Free Software Foundation, Inc.
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"POT-Creation-Date: 2024-03-01 16:53+0100\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#. type: TH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "BTRFS"
+msgstr ""
+
+#. type: TH
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "Feb 14, 2024"
+msgstr ""
+
+#. type: TH
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "6.7.1"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "NAME"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"btrfs - topics about the BTRFS filesystem (mount options, supported file "
+"attributes and other)"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "DESCRIPTION"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This document describes topics related to BTRFS that are not specific to the "
+"tools.  Currently covers:"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "1."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "mount options"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "2."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "filesystem features"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "3."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "checksum algorithms"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "4."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "compression"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "5."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "sysfs interface"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "6."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "filesystem exclusive operations"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "7."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "filesystem limits"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "8."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "bootloader support"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "9."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "file attributes"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "10."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "zoned mode"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "11."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "control device"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "12."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "filesystems with multiple block group profiles"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "13."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "seeding device"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "14."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "RAID56 status and recommended practices"
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "15."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "storage model, hardware considerations"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "MOUNT OPTIONS"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "BTRFS SPECIFIC MOUNT OPTIONS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This section describes mount options specific to BTRFS.  For the generic "
+"mount options please refer to B<mount(8)> manual page. The options are "
+"sorted alphabetically (discarding the I<no> prefix)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "B<NOTE:>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Most mount options apply to the whole filesystem and only options in the "
+"first mounted subvolume will take effect. This is due to lack of "
+"implementation and may change in the future. This means that (for example) "
+"you can\\(aqt set per-subvolume I<nodatacow>, I<nodatasum>, or I<compress> "
+"using mount options. This should eventually be fixed, but it has proved to "
+"be difficult to implement correctly within the Linux VFS framework."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Mount options are processed in order, only the last occurrence of an option "
+"takes effect and may disable other options due to constraints (see e.g.  "
+"I<nodatacow> and I<compress>). The output of B<mount> command shows which "
+"options have been applied."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<acl, noacl>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(default: on)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enable/disable support for POSIX Access Control Lists (ACLs).  See the "
+"B<acl(5)> manual page for more information about ACLs."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The support for ACL is build-time configurable (BTRFS_FS_POSIX_ACL) and "
+"mount fails if I<acl> is requested but the feature is not compiled in."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<autodefrag, noautodefrag>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.0, default: off)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enable automatic file defragmentation.  When enabled, small random writes "
+"into files (in a range of tens of kilobytes, currently it\\(aqs 64KiB) are "
+"detected and queued up for the defragmentation process.  May not be well "
+"suited for large database workloads."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The read latency may increase due to reading the adjacent blocks that make "
+"up the range for defragmentation, successive write will merge the blocks in "
+"the new location."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "B<WARNING:>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Defragmenting with Linux kernel versions E<lt> 3.9 or ≥ 3.14-rc2 as well as "
+"with Linux stable kernel versions ≥ 3.10.31, ≥ 3.12.12 or ≥ 3.13.4 will "
+"break up the reflinks of COW data (for example files copied with B<cp --"
+"reflink>, snapshots or de-duplicated data).  This may cause considerable "
+"increase of space usage depending on the broken up reflinks."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<barrier, nobarrier>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Ensure that all IO write operations make it through the device cache and are "
+"stored permanently when the filesystem is at its consistency checkpoint. "
+"This typically means that a flush command is sent to the device that will "
+"synchronize all pending data and ordinary metadata blocks, then writes the "
+"superblock and issues another flush."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The write flushes incur a slight hit and also prevent the IO block scheduler "
+"to reorder requests in a more effective way. Disabling barriers gets rid of "
+"that penalty but will most certainly lead to a corrupted filesystem in case "
+"of a crash or power loss. The ordinary metadata blocks could be yet "
+"unwritten at the time the new superblock is stored permanently, expecting "
+"that the block pointers to metadata were stored permanently before."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"On a device with a volatile battery-backed write-back cache, the "
+"I<nobarrier> option will not lead to filesystem corruption as the pending "
+"blocks are supposed to make it to the permanent storage."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<check_int, check_int_data, check_int_print_mask=E<lt>valueE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"These debugging options control the behavior of the integrity checking "
+"module (the BTRFS_FS_CHECK_INTEGRITY config option required). The main goal "
+"is to verify that all blocks from a given transaction period are properly "
+"linked."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<check_int> enables the integrity checker module, which examines all block "
+"write requests to ensure on-disk consistency, at a large memory and CPU cost."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<check_int_data> includes extent data in the integrity checks, and implies "
+"the I<check_int> option."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<check_int_print_mask> takes a bitmask of BTRFSIC_PRINT_MASK_* values as "
+"defined in I<fs/btrfs/check-integrity.c>, to control the integrity checker "
+"module behavior."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"See comments at the top of I<fs/btrfs/check-integrity.c> for more "
+"information."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<clear_cache>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Force clearing and rebuilding of the free space cache if something has gone "
+"wrong."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"For free space cache I<v1>, this only clears (and, unless I<nospace_cache> "
+"is used, rebuilds) the free space cache for block groups that are modified "
+"while the filesystem is mounted with that option. To actually clear an "
+"entire free space cache I<v1>, see B<btrfs check --clear-space-cache v1>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"For free space cache I<v2>, this clears the entire free space cache.  To do "
+"so without requiring to mounting the filesystem, see B<btrfs check --clear-"
+"space-cache v2>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "See also: I<space_cache>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<commit=E<lt>secondsE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.12, default: 30)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Set the interval of periodic transaction commit when data are synchronized "
+"to permanent storage. Higher interval values lead to larger amount of "
+"unwritten data, which has obvious consequences when the system crashes.  The "
+"upper bound is not forced, but a warning is printed if it\\(aqs more than "
+"300 seconds (5 minutes). Use with care."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<compress, compress=E<lt>type[:level]E<gt>, compress-force, compress-force=E<lt>type[:level]E<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(default: off, level support since: 5.1)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Control BTRFS file data compression.  Type may be specified as I<zlib>, "
+"I<lzo>, I<zstd> or I<no> (for no compression, used for remounting).  If no "
+"type is specified, I<zlib> is used.  If I<compress-force> is specified, then "
+"compression will always be attempted, but the data may end up uncompressed "
+"if the compression would make them larger."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Both I<zlib> and I<zstd> (since version 5.1) expose the compression level as "
+"a tunable knob with higher levels trading speed and memory (I<zstd>) for "
+"higher compression ratios. This can be set by appending a colon and the "
+"desired level.  ZLIB accepts the range [1, 9] and ZSTD accepts [1, 15]. If "
+"no level is set, both currently use a default level of 3. The value 0 is an "
+"alias for the default level."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Otherwise some simple heuristics are applied to detect an incompressible "
+"file.  If the first blocks written to a file are not compressible, the whole "
+"file is permanently marked to skip compression. As this is too simple, the "
+"I<compress-force> is a workaround that will compress most of the files at "
+"the cost of some wasted CPU cycles on failed attempts.  Since kernel 4.15, a "
+"set of heuristic algorithms have been improved by using frequency sampling, "
+"repeated pattern detection and Shannon entropy calculation to avoid that."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "If compression is enabled, I<nodatacow> and I<nodatasum> are disabled."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<datacow, nodatacow>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enable data copy-on-write for newly created files.  I<Nodatacow> implies "
+"I<nodatasum>, and disables I<compression>\\&. All files created under "
+"I<nodatacow> are also set the NOCOW file attribute (see B<chattr(1)>)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "If I<nodatacow> or I<nodatasum> are enabled, compression is disabled."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Updates in-place improve performance for workloads that do frequent "
+"overwrites, at the cost of potential partial writes, in case the write is "
+"interrupted (system crash, device failure)."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<datasum, nodatasum>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enable data checksumming for newly created files.  I<Datasum> implies "
+"I<datacow>, i.e. the normal mode of operation. All files created under "
+"I<nodatasum> inherit the \"no checksums\" property, however there\\(aqs no "
+"corresponding file attribute (see B<chattr(1)>)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There is a slight performance gain when checksums are turned off, the "
+"corresponding metadata blocks holding the checksums do not need to updated.  "
+"The cost of checksumming of the blocks in memory is much lower than the IO, "
+"modern CPUs feature hardware support of the checksumming algorithm."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<degraded>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(default: off)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Allow mounts with fewer devices than the RAID profile constraints require.  "
+"A read-write mount (or remount) may fail when there are too many devices "
+"missing, for example if a stripe member is completely missing from RAID0."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Since 4.14, the constraint checks have been improved and are verified on the "
+"chunk level, not at the device level. This allows degraded mounts of "
+"filesystems with mixed RAID profiles for data and metadata, even if the "
+"device number constraints would not be satisfied for some of the profiles."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Example: metadata -- raid1, data -- single, devices -- B</dev/sda>, B</dev/"
+"sdb>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Suppose the data are completely stored on I<sda>, then missing I<sdb> will "
+"not prevent the mount, even if 1 missing device would normally prevent "
+"(any)  I<single> profile to mount. In case some of the data chunks are "
+"stored on I<sdb>, then the constraint of single/data is not satisfied and "
+"the filesystem cannot be mounted."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<device=E<lt>devicepathE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Specify a path to a device that will be scanned for BTRFS filesystem during "
+"mount. This is usually done automatically by a device manager (like udev) or "
+"using the B<btrfs device scan> command (e.g. run from the initial ramdisk). "
+"In cases where this is not possible the I<device> mount option can help."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Booting e.g. a RAID1 system may fail even if all filesystem\\(aqs I<device> "
+"paths are provided as the actual device nodes may not be discovered by the "
+"system at that point."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<discard, discard=sync, discard=async, nodiscard>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"(default: async when devices support it since 6.2, async support since: 5.6)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enable discarding of freed file blocks.  This is useful for SSD devices, "
+"thinly provisioned LUNs, or virtual machine images; however, every storage "
+"layer must support discard for it to work."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"In the synchronous mode (I<sync> or without option value), lack of "
+"asynchronous queued TRIM on the backing device TRIM can severely degrade "
+"performance, because a synchronous TRIM operation will be attempted instead. "
+"Queued TRIM requires newer than SATA revision 3.1 chipsets and devices."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The asynchronous mode (I<async>) gathers extents in larger chunks before "
+"sending them to the devices for TRIM. The overhead and performance impact "
+"should be negligible compared to the previous mode and it\\(aqs supposed to "
+"be the preferred mode if needed."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"If it is not necessary to immediately discard freed blocks, then the "
+"B<fstrim> tool can be used to discard all free blocks in a batch. Scheduling "
+"a TRIM during a period of low system activity will prevent latent "
+"interference with the performance of other operations. Also, a device may "
+"ignore the TRIM command if the range is too small, so running a batch "
+"discard has a greater probability of actually discarding the blocks."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<enospc_debug, noenospc_debug>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enable verbose output for some ENOSPC conditions. It\\(aqs safe to use but "
+"can be noisy if the system reaches near-full state."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<fatal_errors=E<lt>actionE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.4, default: bug)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Action to take when encountering a fatal error."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<bug>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<BUG()> on a fatal error, the system will stay in the crashed state and may "
+"be still partially usable, but reboot is required for full operation"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<panic>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<panic()> on a fatal error, depending on other system configuration, this "
+"may be followed by a reboot. Please refer to the documentation of kernel "
+"boot parameters, e.g. I<panic>, I<oops> or I<crashkernel>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<flushoncommit, noflushoncommit>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This option forces any data dirtied by a write in a prior transaction to "
+"commit as part of the current commit, effectively a full filesystem sync."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This makes the committed state a fully consistent view of the file system "
+"from the application\\(aqs perspective (i.e. it includes all completed file "
+"system operations). This was previously the behavior only when a snapshot "
+"was created."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When off, the filesystem is consistent but buffered writes may last more "
+"than one transaction commit."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<fragment=E<lt>typeE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"(depends on compile-time option CONFIG_BTRFS_DEBUG, since: 4.4, default: off)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"A debugging helper to intentionally fragment given I<type> of block groups. "
+"The type can be I<data>, I<metadata> or I<all>\\&. This mount option should "
+"not be used outside of debugging environments and is not recognized if the "
+"kernel config option I<CONFIG_BTRFS_DEBUG> is not enabled."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<nologreplay>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(default: off, even read-only)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The tree-log contains pending updates to the filesystem until the full "
+"commit.  The log is replayed on next mount, this can be disabled by this "
+"option.  See also I<treelog>\\&.  Note that I<nologreplay> is the same as "
+"I<norecovery>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Currently, the tree log is replayed even with a read-only mount! To disable "
+"that behaviour, mount also with I<nologreplay>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<max_inline=E<lt>bytesE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(default: min(2048, page size) )"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Specify the maximum amount of space, that can be inlined in a metadata b-"
+"tree leaf.  The value is specified in bytes, optionally with a K suffix "
+"(case insensitive).  In practice, this value is limited by the filesystem "
+"block size (named I<sectorsize> at mkfs time), and memory page size of the "
+"system. In case of sectorsize limit, there\\(aqs some space unavailable due "
+"to b-tree leaf headers.  For example, a 4KiB sectorsize, maximum size of "
+"inline data is about 3900 bytes."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Inlining can be completely turned off by specifying 0. This will increase "
+"data block slack if file sizes are much smaller than block size but will "
+"reduce metadata consumption in return."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "The default value has changed to 2048 in kernel 4.6."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<metadata_ratio=E<lt>valueE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(default: 0, internal logic)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Specifies that 1 metadata chunk should be allocated after every I<value> "
+"data chunks. Default behaviour depends on internal logic, some percent of "
+"unused metadata space is attempted to be maintained but is not always "
+"possible if there\\(aqs not enough space left for chunk allocation. The "
+"option could be useful to override the internal logic in favor of the "
+"metadata allocation if the expected workload is supposed to be metadata "
+"intense (snapshots, reflinks, xattrs, inlined files)."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<norecovery>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 4.5, default: off)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Do not attempt any data recovery at mount time. This will disable "
+"I<logreplay> and avoids other write operations. Note that this option is the "
+"same as I<nologreplay>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The opposite option I<recovery> used to have different meaning but was "
+"changed for consistency with other filesystems, where I<norecovery> is used "
+"for skipping log replay. BTRFS does the same and in general will try to "
+"avoid any write operations."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<rescan_uuid_tree>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.12, default: off)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Force check and rebuild procedure of the UUID tree. This should not normally "
+"be needed."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<rescue>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 5.9)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Modes allowing mount with damaged filesystem structures."
+msgstr ""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "\\(bu"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<usebackuproot> (since: 5.9, replaces standalone option I<usebackuproot>)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<nologreplay> (since: 5.9, replaces standalone option I<nologreplay>)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<ignorebadroots>, I<ibadroots> (since: 5.11)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<ignoredatacsums>, I<idatacsums> (since: 5.11)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<all> (since: 5.9)"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<skip_balance>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.3, default: off)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Skip automatic resume of an interrupted balance operation. The operation can "
+"later be resumed with B<btrfs balance resume>, or the paused state can be "
+"removed with B<btrfs balance cancel>\\&. The default behaviour is to resume "
+"an interrupted balance immediately after a volume is mounted."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<space_cache, space_cache=E<lt>versionE<gt>, nospace_cache>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"(I<nospace_cache> since: 3.2, I<space_cache=v1> and I<space_cache=v2> since "
+"4.5, default: I<space_cache=v2>)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Options to control the free space cache. The free space cache greatly "
+"improves performance when reading block group free space into memory. "
+"However, managing the space cache consumes some resources, including a small "
+"amount of disk space."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are two implementations of the free space cache. The original one, "
+"referred to as I<v1>, used to be a safe default but has been superseded by "
+"I<v2>\\&.  The I<v1> space cache can be disabled at mount time with "
+"I<nospace_cache> without clearing."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"On very large filesystems (many terabytes) and certain workloads, the "
+"performance of the I<v1> space cache may degrade drastically. The I<v2> "
+"implementation, which adds a new b-tree called the free space tree, "
+"addresses this issue. Once enabled, the I<v2> space cache will always be "
+"used and cannot be disabled unless it is cleared. Use I<clear_cache,"
+"space_cache=v1> or I<clear_cache,nospace_cache> to do so. If I<v2> is "
+"enabled, and I<v1> space cache will be cleared (at the first mount) and "
+"kernels without I<v2> support will only be able to mount the filesystem in "
+"read-only mode.  On an unmounted filesystem the caches (both versions) can "
+"be cleared by \"btrfs check --clear-space-cache\"."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The I<\\%btrfs-check(8)> and I<:doc:\\(gamkfs.btrfs> commands have full "
+"I<v2> free space cache support since v4.19."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"If a version is not explicitly specified, the default implementation will be "
+"chosen, which is I<v2>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<ssd, ssd_spread, nossd, nossd_spread>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(default: SSD autodetected)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Options to control SSD allocation schemes.  By default, BTRFS will enable or "
+"disable SSD optimizations depending on status of a device with respect to "
+"rotational or non-rotational type. This is determined by the contents of I</"
+"sys/block/DEV/queue/rotational>). If it is 0, the I<ssd> option is turned "
+"on.  The option I<nossd> will disable the autodetection."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The optimizations make use of the absence of the seek penalty that\\(aqs "
+"inherent for the rotational devices. The blocks can be typically written "
+"faster and are not offloaded to separate threads."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Since 4.14, the block layout optimizations have been dropped. This used to "
+"help with first generations of SSD devices. Their FTL (flash translation "
+"layer) was not effective and the optimization was supposed to improve the "
+"wear by better aligning blocks. This is no longer true with modern SSD "
+"devices and the optimization had no real benefit. Furthermore it caused "
+"increased fragmentation. The layout tuning has been kept intact for the "
+"option I<ssd_spread>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The I<ssd_spread> mount option attempts to allocate into bigger and aligned "
+"chunks of unused space, and may perform better on low-end SSDs.  "
+"I<ssd_spread> implies I<ssd>, enabling all other SSD heuristics as well. The "
+"option I<nossd> will disable all SSD options while I<nossd_spread> only "
+"disables I<ssd_spread>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<subvol=E<lt>pathE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Mount subvolume from I<path> rather than the toplevel subvolume. The I<path> "
+"is always treated as relative to the toplevel subvolume.  This mount option "
+"overrides the default subvolume set for the given filesystem."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<subvolid=E<lt>subvolidE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Mount subvolume specified by a I<subvolid> number rather than the toplevel "
+"subvolume.  You can use B<btrfs subvolume list> of B<btrfs subvolume show> "
+"to see subvolume ID numbers.  This mount option overrides the default "
+"subvolume set for the given filesystem."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"If both I<subvolid> and I<subvol> are specified, they must point at the same "
+"subvolume, otherwise the mount will fail."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<thread_pool=E<lt>numberE<gt>>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(default: min(NRCPUS + 2, 8) )"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The number of worker threads to start. NRCPUS is number of on-line CPUs "
+"detected at the time of mount. Small number leads to less parallelism in "
+"processing data and metadata, higher numbers could lead to a performance hit "
+"due to increased locking contention, process scheduling, cache-line bouncing "
+"or costly data transfers between local CPU memories."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<treelog, notreelog>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enable the tree logging used for I<fsync> and I<O_SYNC> writes. The tree log "
+"stores changes without the need of a full filesystem sync. The log "
+"operations are flushed at sync and transaction commit. If the system crashes "
+"between two such syncs, the pending tree log operations are replayed during "
+"mount."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Currently, the tree log is replayed even with a read-only mount! To disable "
+"that behaviour, also mount with I<nologreplay>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The tree log could contain new files/directories, these would not exist on a "
+"mounted filesystem if the log is not replayed."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<usebackuproot>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 4.6, default: off)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enable autorecovery attempts if a bad tree root is found at mount time.  "
+"Currently this scans a backup list of several previous tree roots and tries "
+"to use the first readable. This can be used with read-only mounts as well."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "This option has replaced I<recovery>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<user_subvol_rm_allowed>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Allow subvolumes to be deleted by their respective owner. Otherwise, only "
+"the root user can do that."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Historically, any user could create a snapshot even if he was not owner of "
+"the source subvolume, the subvolume deletion has been restricted for that "
+"reason. The subvolume creation has been restricted but this mount option is "
+"still required. This is a usability issue.  Since 4.18, the B<rmdir(2)> "
+"syscall can delete an empty subvolume just like an ordinary directory. "
+"Whether this is possible can be detected at runtime, see I<rmdir_subvol> "
+"feature in I<FILESYSTEM FEATURES>\\&."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "DEPRECATED MOUNT OPTIONS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"List of mount options that have been removed, kept for backward "
+"compatibility."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<recovery>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.2, default: off, deprecated since: 4.5)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This option has been replaced by I<usebackuproot> and should not be used but "
+"will work on 4.5+ kernels."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<inode_cache, noinode_cache>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(removed in: 5.11, since: 3.0, default: off)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-tumbleweed
+msgid ""
+"The functionality has been removed in 5.11, any stale data created by "
+"previous use of the I<inode_cache> option can be removed by I<\\%btrfs "
+"rescue clear-ino-cache>\\&."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "NOTES ON GENERIC MOUNT OPTIONS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Some of the general mount options from B<mount(8)> that affect BTRFS and are "
+"worth mentioning."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<noatime>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"under read intensive work-loads, specifying I<noatime> significantly "
+"improves performance because no new access time information needs to be "
+"written. Without this option, the default is I<relatime>, which only reduces "
+"the number of inode atime updates in comparison to the traditional "
+"I<strictatime>\\&. The worst case for atime updates under I<relatime> occurs "
+"when many files are read whose atime is older than 24 h and which are "
+"freshly snapshotted. In that case the atime is updated and COW happens - for "
+"each file - in bulk. See also I<\\%https://lwn.net/Articles/499293/> - "
+"I<Atime and btrfs: a bad combination? (LWN, 2012-05-31)>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Note that I<noatime> may break applications that rely on atime uptimes like "
+"the venerable Mutt (unless you use maildir mailboxes)."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "FILESYSTEM FEATURES"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The basic set of filesystem features gets extended over time. The backward "
+"compatibility is maintained and the features are optional, need to be "
+"explicitly asked for so accidental use will not create incompatibilities."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are several classes and the respective tools to manage the features:"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<at mkfs time only>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This is namely for core structures, like the b-tree nodesize or checksum "
+"algorithm, see I<\\%mkfs.btrfs(8)> for more details."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<after mkfs, on an unmounted filesystem>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Features that may optimize internal structures or add new structures to "
+"support new functionality, see I<\\%btrfstune(8)>\\&. The command B<btrfs "
+"inspect-internal dump-super /dev/sdx> will dump a superblock, you can map "
+"the value of I<incompat_flags> to the features listed below"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<after mkfs, on a mounted filesystem>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The features of a filesystem (with a given UUID) are listed in B</sys/fs/"
+"btrfs/UUID/features/>, one file per feature. The status is stored inside the "
+"file. The value I<1> is for enabled and active, while I<0> means the feature "
+"was enabled at mount time but turned off afterwards."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Whether a particular feature can be turned on a mounted filesystem can be "
+"found in the directory B</sys/fs/btrfs/features/>, one file per feature. The "
+"value I<1> means the feature can be enabled."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"List of features (see also I<\\%mkfs.btrfs(8)> section I<\\%FILESYSTEM "
+"FEATURES>):"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<big_metadata>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.4)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the filesystem uses I<nodesize> for metadata blocks, this can be bigger than "
+"the page size"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<block_group_tree>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 6.1)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"block group item representation using a dedicated b-tree, this can greatly "
+"reduce mount time for large filesystems"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<compress_lzo>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 2.6.38)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the I<lzo> compression has been used on the filesystem, either as a mount "
+"option or via B<btrfs filesystem defrag>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<compress_zstd>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 4.14)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the I<zstd> compression has been used on the filesystem, either as a mount "
+"option or via B<btrfs filesystem defrag>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<default_subvol>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 2.6.34)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "the default subvolume has been set on the filesystem"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<extended_iref>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.7)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"increased hardlink limit per file in a directory to 65536, older kernels "
+"supported a varying number of hardlinks depending on the sum of all file "
+"name sizes that can be stored into one metadata block"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<free_space_tree>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 4.5)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"free space representation using a dedicated b-tree, successor of v1 space "
+"cache"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<metadata_uuid>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 5.0)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the main filesystem UUID is the metadata_uuid, which stores the new UUID "
+"only in the superblock while all metadata blocks still have the UUID set at "
+"mkfs time, see I<\\%btrfstune(8)> for more"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<mixed_backref>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 2.6.31)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "the last major disk format change, improved backreferences, now default"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<mixed_groups>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 2.6.37)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"mixed data and metadata block groups, i.e. the data and metadata are not "
+"separated and occupy the same block groups, this mode is suitable for small "
+"volumes as there are no constraints how the remaining space should be used "
+"(compared to the split mode, where empty metadata space cannot be used for "
+"data and vice versa)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"on the other hand, the final layout is quite unpredictable and possibly "
+"highly fragmented, which means worse performance"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<no_holes>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.14)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"improved representation of file extents where holes are not explicitly "
+"stored as an extent, saves a few percent of metadata if sparse files are used"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<raid1c34>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 5.5)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "extended RAID1 mode with copies on 3 or 4 devices respectively"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<RAID56>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.9)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "the filesystem contains or contained a RAID56 profile of block groups"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<rmdir_subvol>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 4.18)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"indicate that B<rmdir(2)> syscall can delete an empty subvolume just like an "
+"ordinary directory. Note that this feature only depends on the kernel "
+"version."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<skinny_metadata>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 3.10)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"reduced-size metadata for extent references, saves a few percent of metadata"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<send_stream_version>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 5.10)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "number of the highest supported send stream version"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<supported_checksums>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"list of checksum algorithms supported by the kernel module, the respective "
+"modules or built-in implementing the algorithms need to be present to mount "
+"the filesystem, see section I<\\%CHECKSUM ALGORITHMS>\\&."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<supported_sectorsizes>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 5.13)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"list of values that are accepted as sector sizes (B<mkfs.btrfs --"
+"sectorsize>) by the running kernel"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<supported_rescue_options>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 5.11)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"list of values for the mount option I<rescue> that are supported by the "
+"running kernel, see I<\\%btrfs(5)>"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<zoned>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(since: 5.12)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"zoned mode is allocation/write friendly to host-managed zoned devices, "
+"allocation space is partitioned into fixed-size zones that must be updated "
+"sequentially, see section I<\\%ZONED MODE>"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "SWAPFILE SUPPORT"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"A swapfile, when active, is a file-backed swap area.  It is supported since "
+"kernel 5.0.  Use B<swapon(8)> to activate it, until then (respectively again "
+"after deactivating it with B<swapoff(8)>) it\\(aqs just a normal file (with "
+"NODATACOW set), for which the special restrictions for active swapfiles "
+"don\\(aqt apply."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are some limitations of the implementation in BTRFS and Linux swap "
+"subsystem:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "filesystem - must be only single device"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "filesystem - must have only I<single> data profile"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "subvolume - cannot be snapshotted if it contains any active swapfiles"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "swapfile - must be preallocated (i.e. no holes)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "swapfile - must be NODATACOW (i.e. also NODATASUM, no compression)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The limitations come namely from the COW-based design and mapping layer of "
+"blocks that allows the advanced features like relocation and multi-device "
+"filesystems. However, the swap subsystem expects simpler mapping and no "
+"background changes of the file block location once they\\(aqve been assigned "
+"to swap."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"With active swapfiles, the following whole-filesystem operations will skip "
+"swapfile extents or may fail:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"balance - block groups with extents of any active swapfiles are skipped and "
+"reported, the rest will be processed normally"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "resize grow - unaffected"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"resize shrink - works as long as the extents of any active swapfiles are "
+"outside of the shrunk range"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"device add - if the new devices do not interfere with any already active "
+"swapfiles this operation will work, though no new swapfile can be activated "
+"afterwards"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"device delete - if the device has been added as above, it can be also deleted"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "device replace - ditto"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When there are no active swapfiles and a whole-filesystem exclusive "
+"operation is running (e.g. balance, device delete, shrink), the swapfiles "
+"cannot be temporarily activated. The operation must finish first."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "To create and activate a swapfile run the following commands:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# truncate -s 0 swapfile\n"
+"# chattr +C swapfile\n"
+"# fallocate -l 2G swapfile\n"
+"# chmod 0600 swapfile\n"
+"# mkswap swapfile\n"
+"# swapon swapfile\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Since version 6.1 it\\(aqs possible to create the swapfile in a single "
+"command (except the activation):"
+msgstr ""
+
+#. type: Plain text
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron opensuse-leap-15-6
+#: opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# btrfs filesystem mkswapfile --size 2G swapfile\n"
+"# swapon swapfile\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Please note that the UUID returned by the I<mkswap> utility identifies the "
+"swap \"filesystem\" and because it\\(aqs stored in a file, it\\(aqs not "
+"generally visible and usable as an identifier unlike if it was on a block "
+"device."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Once activated the file will appear in B</proc/swaps>:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# cat /proc/swaps\n"
+"Filename          Type          Size           Used      Priority\n"
+"/path/swapfile    file          2097152        0         -2\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The swapfile can be created as one-time operation or, once properly created, "
+"activated on each boot by the B<swapon -a> command (usually started by the "
+"service manager). Add the following entry to I</etc/fstab>, assuming the "
+"filesystem that provides the I</path> has been already mounted at this "
+"point.  Additional mount options relevant for the swapfile can be set too "
+"(like priority, not the BTRFS mount options)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"/path/swapfile        none        swap        defaults      0 0\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"From now on the subvolume with the active swapfile cannot be snapshotted "
+"until the swapfile is deactivated again by B<swapoff>\\&. Then the swapfile "
+"is a regular file and the subvolume can be snapshotted again, though this "
+"would prevent another activation any swapfile that has been snapshotted. New "
+"swapfiles (not snapshotted) can be created and activated."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Otherwise, an inactive swapfile does not affect the containing subvolume. "
+"Activation creates a temporary in-memory status and prevents some file "
+"operations, but is not stored permanently."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "HIBERNATION"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"A swapfile can be used for hibernation but it\\(aqs not straightforward. "
+"Before hibernation a resume offset must be written to file I</sys/power/"
+"resume_offset> or the kernel command line parameter I<resume_offset> must be "
+"set."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The value is the physical offset on the device. Note that B<this is not the "
+"same value that> B<filefrag> B<prints as physical offset!>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Btrfs filesystem uses mapping between logical and physical addresses but "
+"here the physical can still map to one or more device-specific physical "
+"block addresses. It\\(aqs the device-specific physical offset that is "
+"suitable as resume offset."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Since version 6.1 there\\(aqs a command I<\\%btrfs inspect-internal map-"
+"swapfile> that will print the device physical offset and the adjusted value "
+"for B</sys/power/resume_offset>\\&.  Note that the value is divided by page "
+"size, i.e.  it\\(aqs not the offset itself."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# btrfs filesystem mkswapfile swapfile\n"
+"# btrfs inspect-internal map-swapfile swapfile\n"
+"Physical start: 811511726080\n"
+"Resume offset:     198122980\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"For scripting and convenience the option I<-r> will print just the offset:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# btrfs inspect-internal map-swapfile -r swapfile\n"
+"198122980\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The command B<map-swapfile> also verifies all the requirements, i.e. no "
+"holes, single device, etc."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "TROUBLESHOOTING"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"If the swapfile activation fails please verify that you followed all the "
+"steps above or check the system log (e.g. B<dmesg> or B<journalctl>) for "
+"more information."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Notably, the B<swapon> utility exits with a message that does not say what "
+"failed:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# swapon /path/swapfile\n"
+"swapon: /path/swapfile: swapon failed: Invalid argument\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The specific reason is likely to be printed to the system log by the btrfs "
+"module:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# journalctl -t kernel | grep swapfile\n"
+"kernel: BTRFS warning (device sda): swapfile must have single data profile\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "CHECKSUM ALGORITHMS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Data and metadata are checksummed by default, the checksum is calculated "
+"before write and verified after reading the blocks from devices. The whole "
+"metadata block has a checksum stored inline in the b-tree node header, each "
+"data block has a detached checksum stored in the checksum tree."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are several checksum algorithms supported. The default and backward "
+"compatible is I<crc32c>\\&.  Since kernel 5.5 there are three more with "
+"different characteristics and trade-offs regarding speed and strength. The "
+"following list may help you to decide which one to select."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<CRC32C (32bit digest)>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"default, best backward compatibility, very fast, modern CPUs have "
+"instruction-level support, not collision-resistant but still good error "
+"detection capabilities"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<XXHASH (64bit digest)>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"can be used as CRC32C successor, very fast, optimized for modern CPUs "
+"utilizing instruction pipelining, good collision resistance and error "
+"detection"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<SHA256 (256bit digest)>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"a cryptographic-strength hash, relatively slow but with possible CPU "
+"instruction acceleration or specialized hardware cards, FIPS certified and "
+"in wide use"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<BLAKE2b (256bit digest)>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"a cryptographic-strength hash, relatively fast with possible CPU "
+"acceleration using SIMD extensions, not standardized but based on BLAKE "
+"which was a SHA3 finalist, in wide use, the algorithm used is BLAKE2b-256 "
+"that\\(aqs optimized for 64bit platforms"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The I<digest size> affects overall size of data block checksums stored in "
+"the filesystem.  The metadata blocks have a fixed area up to 256 bits (32 "
+"bytes), so there\\(aqs no increase. Each data block has a separate checksum "
+"stored, with additional overhead of the b-tree leaves."
+msgstr ""
+
+#. type: Plain text
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+msgid ""
+"Approximate relative performance of the algorithms, measured against CRC32C "
+"using implementations on a 11th gen 3.6GHz intel CPU:"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "_"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Digest"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Cycles/4KiB"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Ratio"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Implementation"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "CRC32C"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "470"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "1.00"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "CPU instruction, PCL combination"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "XXHASH"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "870"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "1.9"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "reference impl."
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "SHA256"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "7600"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "16"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "libgcrypt"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "8500"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "18"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "openssl"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "8700"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "botan"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "32000"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "68"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "builtin, CPU instruction"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "37000"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "78"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "libsodium"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "78000"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "166"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "builtin, reference impl."
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "BLAKE2b"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "10000"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "21"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "builtin/AVX2"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "10900"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "23"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "13500"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "29"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "builtin/SSE41"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "13700"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "14100"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "30"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "14500"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "31"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "kcapi"
+msgstr ""
+
+#. type: tbl table
+#: archlinux fedora-40 fedora-rawhide opensuse-tumbleweed
+#, no-wrap
+msgid "34"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Many kernels are configured with SHA256 as built-in and not as a module.  "
+"The accelerated versions are however provided by the modules and must be "
+"loaded explicitly (B<modprobe sha256>) before mounting the filesystem to "
+"make use of them. You can check in B</sys/fs/btrfs/FSID/checksum> which one "
+"is used. If you see I<sha256-generic>, then you may want to unmount and "
+"mount the filesystem again, changing that on a mounted filesystem is not "
+"possible.  Check the file B</proc/crypto>, when the implementation is built-"
+"in, you\\(aqd find"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"name         : sha256\n"
+"driver       : sha256-generic\n"
+"module       : kernel\n"
+"priority     : 100\n"
+"\\&...\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "while accelerated implementation is e.g."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"name         : sha256\n"
+"driver       : sha256-avx2\n"
+"module       : sha256_ssse3\n"
+"priority     : 170\n"
+"\\&...\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "COMPRESSION"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Btrfs supports transparent file compression. There are three algorithms "
+"available: ZLIB, LZO and ZSTD (since v4.14), with various levels.  The "
+"compression happens on the level of file extents and the algorithm is "
+"selected by file property, mount option or by a defrag command.  You can "
+"have a single btrfs mount point that has some files that are uncompressed, "
+"some that are compressed with LZO, some with ZLIB, for instance (though you "
+"may not want it that way, it is supported)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Once the compression is set, all newly written data will be compressed, i."
+"e.  existing data are untouched. Data are split into smaller chunks (128KiB) "
+"before compression to make random rewrites possible without a high "
+"performance hit. Due to the increased number of extents the metadata "
+"consumption is higher. The chunks are compressed in parallel."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The algorithms can be characterized as follows regarding the speed/ratio "
+"trade-offs:"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<ZLIB>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "slower, higher compression ratio"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "levels: 1 to 9, mapped directly, default level is 3"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "good backward compatibility"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<LZO>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"faster compression and decompression than ZLIB, worse compression ratio, "
+"designed to be fast"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "no levels"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<ZSTD>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"compression comparable to ZLIB with higher compression/decompression speeds "
+"and different ratio"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "levels: 1 to 15, mapped directly (higher levels are not available)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "since 4.14, levels since 5.1"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The differences depend on the actual data set and cannot be expressed by a "
+"single number or recommendation. Higher levels consume more CPU time and may "
+"not bring a significant improvement, lower levels are close to real time."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "HOW TO ENABLE COMPRESSION"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Typically the compression can be enabled on the whole filesystem, specified "
+"for the mount point. Note that the compression mount options are shared "
+"among all mounts of the same filesystem, either bind mounts or subvolume "
+"mounts.  Please refer to I<\\%btrfs(5)> section I<\\%MOUNT OPTIONS>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"$ mount -o compress=zstd /dev/sdx /mnt\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This will enable the B<zstd> algorithm on the default level (which is 3).  "
+"The level can be specified manually too like B<zstd:3>\\&. Higher levels "
+"compress better at the cost of time. This in turn may cause increased write "
+"latency, low levels are suitable for real-time compression and on reasonably "
+"fast CPU don\\(aqt cause noticeable performance drops."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"$ btrfs filesystem defrag -czstd file\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The command above will start defragmentation of the whole I<file> and apply "
+"the compression, regardless of the mount option. (Note: specifying level is "
+"not yet implemented). The compression algorithm is not persistent and "
+"applies only to the defragmentation command, for any other writes other "
+"compression settings apply."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Persistent settings on a per-file basis can be set in two ways:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"$ chattr +c file\n"
+"$ btrfs property set file compression zstd\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The first command is using legacy interface of file attributes inherited "
+"from ext2 filesystem and is not flexible, so by default the I<zlib> "
+"compression is set. The other command sets a property on the file with the "
+"given algorithm.  (Note: setting level that way is not yet implemented.)"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "COMPRESSION LEVELS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The level support of ZLIB has been added in v4.14, LZO does not support "
+"levels (the kernel implementation provides only one), ZSTD level support has "
+"been added in v5.1."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are 9 levels of ZLIB supported (1 to 9), mapping 1:1 from the mount "
+"option to the algorithm defined level. The default is level 3, which "
+"provides the reasonably good compression ratio and is still reasonably fast. "
+"The difference in compression gain of levels 7, 8 and 9 is comparable but "
+"the higher levels take longer."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The ZSTD support includes levels 1 to 15, a subset of full range of what "
+"ZSTD provides. Levels 1-3 are real-time, 4-8 slower with improved "
+"compression and 9-15 try even harder though the resulting size may not be "
+"significantly improved."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Level 0 always maps to the default. The compression level does not affect "
+"compatibility."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "INCOMPRESSIBLE DATA"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Files with already compressed data or with data that won\\(aqt compress well "
+"with the CPU and memory constraints of the kernel implementations are using "
+"a simple decision logic. If the first portion of data being compressed is "
+"not smaller than the original, the compression of the file is disabled -- "
+"unless the filesystem is mounted with I<compress-force>\\&. In that case "
+"compression will always be attempted on the file only to be later discarded. "
+"This is not optimal and subject to optimizations and further development."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"If a file is identified as incompressible, a flag is set (I<NOCOMPRESS>) and "
+"it\\(aqs sticky. On that file compression won\\(aqt be performed unless "
+"forced. The flag can be also set by B<chattr +m> (since e2fsprogs 1.46.2) or "
+"by properties with value I<no> or I<none>\\&. Empty value will reset it to "
+"the default that\\(aqs currently applicable on the mounted filesystem."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "There are two ways to detect incompressible data:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"actual compression attempt - data are compressed, if the result is not "
+"smaller, it\\(aqs discarded, so this depends on the algorithm and level"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"pre-compression heuristics - a quick statistical evaluation on the data is "
+"performed and based on the result either compression is performed or "
+"skipped, the NOCOMPRESS bit is not set just by the heuristic, only if the "
+"compression algorithm does not make an improvement"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"$ lsattr file\n"
+"---------------------m file\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Using the forcing compression is not recommended, the heuristics are "
+"supposed to decide that and compression algorithms internally detect "
+"incompressible data too."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "PRE-COMPRESSION HEURISTICS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The heuristics aim to do a few quick statistical tests on the compressed "
+"data in order to avoid probably costly compression that would turn out to be "
+"inefficient. Compression algorithms could have internal detection of "
+"incompressible data too but this leads to more overhead as the compression "
+"is done in another thread and has to write the data anyway. The heuristic is "
+"read-only and can utilize cached memory."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The tests performed based on the following: data sampling, long repeated "
+"pattern detection, byte frequency, Shannon entropy."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "COMPATIBILITY"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Compression is done using the COW mechanism so it\\(aqs incompatible with "
+"I<nodatacow>\\&. Direct IO works on compressed files but will fall back to "
+"buffered writes and leads to recompression. Currently I<nodatasum> and "
+"compression don\\(aqt work together."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The compression algorithms have been added over time so the version "
+"compatibility should be also considered, together with other tools that may "
+"access the compressed data like bootloaders."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "SYSFS INTERFACE"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Btrfs has a sysfs interface to provide extra knobs."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The top level path is B</sys/fs/btrfs/>, and the main directory layout is "
+"the following:"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Relative Path"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Description"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Version"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "features/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "All supported features"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "3.14+"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "E<lt>UUIDE<gt>/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Mounted fs UUID"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "E<lt>UUIDE<gt>/allocation/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Space allocation info"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "E<lt>UUIDE<gt>/features/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Features of the filesystem"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "E<lt>UUIDE<gt>/devices/E<lt>DEVIDE<gt>/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Symlink to each block device sysfs"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "5.6+"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "E<lt>UUIDE<gt>/devinfo/E<lt>DEVIDE<gt>/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Btrfs specific info for each device"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "E<lt>UUIDE<gt>/qgroups/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Global qgroup info"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "5.9+"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "E<lt>UUIDE<gt>/qgroups/E<lt>LEVELE<gt>_E<lt>IDE<gt>/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Info for each qgroup"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "E<lt>UUIDE<gt>/discard/"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Discard stats and tunables"
+msgstr ""
+
+#. type: tbl table
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "6.1+"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"For B</sys/fs/btrfs/features/> directory, each file means a supported "
+"feature for the current kernel."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"For B</sys/fs/btrfs/E<lt>UUIDE<gt>/features/> directory, each file means an "
+"enabled feature for the mounted filesystem."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The features shares the same name in section I<\\%FILESYSTEM FEATURES>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Files in B</sys/fs/btrfs/E<lt>UUIDE<gt>/> directory are:"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<bg_reclaim_threshold>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RW, since: 5.19)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Used space percentage of total device space to start auto block group "
+"claim.  Mostly for zoned devices."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<checksum>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 5.5)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The checksum used for the mounted filesystem.  This includes both the "
+"checksum type (see section I<\\%CHECKSUM ALGORITHMS>)  and the implemented "
+"driver (mostly shows if it\\(aqs hardware accelerated)."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<clone_alignment>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 3.16)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "The bytes alignment for I<clone> and I<dedupe> ioctls."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<commit_stats>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RW, since: 6.0)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The performance statistics for btrfs transaction commit.  Mostly for debug "
+"purposes."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Writing into this file will reset the maximum commit duration to the input "
+"value."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<exclusive_operation>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 5.10)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the running exclusive operation.  Check section I<\\%FILESYSTEM "
+"EXCLUSIVE OPERATIONS> for details."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<generation>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 5.11)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Show the generation of the mounted filesystem."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<label>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RW, since: 3.14)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Show the current label of the mounted filesystem."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 5.0)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the metadata uuid of the mounted filesystem.  Check I<metadata_uuid> "
+"feature for more details."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<nodesize>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 3.14)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Show the nodesize of the mounted filesystem."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<quota_override>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RW, since: 4.13)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the current quota override status.  0 means no quota override.  1 "
+"means quota override, quota can ignore the existing limit settings."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<read_policy>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RW, since: 5.11)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the current balance policy for reads.  Currently only \"pid\" (balance "
+"using pid value) is supported."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<sectorsize>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows the sectorsize of the mounted filesystem."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Files and directories in B</sys/fs/btrfs/E<lt>UUIDE<gt>/allocations> "
+"directory are:"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<global_rsv_reserved>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "The used bytes of the global reservation."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<global_rsv_size>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "The total size of the global reservation."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "I<data/>B<, >I<metadata/>B< and >I<system/>B< directories>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 5.14)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Space info accounting for the 3 chunk types.  Mostly for debug purposes."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Files in B</sys/fs/btrfs/E<lt>UUIDE<gt>/allocations/>I<data,metadata,system> "
+"directory are:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Reclaimable space percentage of block group\\(aqs size (excluding "
+"permanently unusable space) to reclaim the block group.  Can be used on "
+"regular or zoned devices."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<chunk_size>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the chunk size. Can be changed for data and metadata.  Cannot be set "
+"for zoned devices."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Files in B</sys/fs/btrfs/E<lt>UUIDE<gt>/devinfo/E<lt>DEVIDE<gt>> directory "
+"are:"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<error_stats:>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows all the history error numbers of the device."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<fsid:>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 5.17)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the fsid which the device belongs to.  It can be different than the "
+"I<E<lt>UUIDE<gt>> if it\\(aqs a seed device."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<in_fs_metadata>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 5.6)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows whether we have found the device.  Should always be 1, as if this "
+"turns to 0, the I<E<lt>DEVIDE<gt>> directory would get removed automatically."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<missing>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows whether the device is missing."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<replace_target>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows whether the device is the replace target.  If no dev-replace is "
+"running, this value should be 0."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<scrub_speed_max>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RW, since: 5.14)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the scrub speed limit for this device. The unit is Bytes/s.  0 means "
+"no limit."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<writeable>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Show if the device is writeable."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Files in B</sys/fs/btrfs/E<lt>UUIDE<gt>/qgroups/> directory are:"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<enabled>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 6.1)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows if qgroup is enabled.  Also, if qgroup is disabled, the I<qgroups> "
+"directory would be removed automatically."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<inconsistent>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows if the qgroup numbers are inconsistent.  If 1, it\\(aqs recommended to "
+"do a qgroup rescan."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<drop_subtree_threshold>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RW, since: 6.1)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the subtree drop threshold to automatically mark qgroup inconsistent."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When dropping large subvolumes with qgroup enabled, there would be a huge "
+"load for qgroup accounting.  If we have a subtree whose level is larger than "
+"or equal to this value, we will not trigger qgroup account at all, but mark "
+"qgroup inconsistent to avoid the huge workload."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Default value is 8, where no subtree drop can trigger qgroup."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Lower value can reduce qgroup workload, at the cost of extra qgroup rescan "
+"to re-calculate the numbers."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Files in B</sys/fs/btrfs/E<lt>UUIDE<gt>/E<lt>LEVELE<gt>_E<lt>IDE<gt>/> "
+"directory are:"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<exclusive>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "(RO, since: 5.9)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows the exclusively owned bytes of the qgroup."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<limit_flags>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the numeric value of the limit flags.  If 0, means no limit implied."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<max_exclusive>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows the limits on exclusively owned bytes."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<max_referenced>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows the limits on referenced bytes."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<referenced>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows the referenced bytes of the qgroup."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<rsv_data>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows the reserved bytes for data."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<rsv_meta_pertrans>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows the reserved bytes for per transaction metadata."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<rsv_meta_prealloc>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows the reserved bytes for preallocated metadata."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Files in B</sys/fs/btrfs/E<lt>UUIDE<gt>/discard/> directory are:"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<discardable_bytes>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows amount of bytes that can be discarded in the async discard and "
+"nodiscard mode."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<discardable_extents>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows number of extents to be discarded in the async discard and nodiscard "
+"mode."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<discard_bitmap_bytes>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows amount of discarded bytes from data tracked as bitmaps."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<discard_extent_bytes>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Shows amount of discarded extents from data tracked as bitmaps."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<discard_bytes_saved>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Shows the amount of bytes that were reallocated without being discarded."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<kbps_limit>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Tunable limit of kilobytes per second issued as discard IO in the async "
+"discard mode."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<iops_limit>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Tunable limit of number of discard IO operations to be issued in the async "
+"discard mode."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<max_discard_size>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Tunable limit for size of one IO discard request."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "FILESYSTEM EXCLUSIVE OPERATIONS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are several operations that affect the whole filesystem and cannot be "
+"run in parallel. Attempt to start one while another is running will fail "
+"(see exceptions below)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Since kernel 5.10 the currently running operation can be obtained from B</"
+"sys/fs/UUID/exclusive_operation> with following values and operations:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "balance"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "balance paused (since 5.17)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "device add"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "device delete"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "device replace"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "resize"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "swapfile activate"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "none"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Enqueuing is supported for several btrfs subcommands so they can be started "
+"at once and then serialized."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There\\(aqs an exception when a paused balance allows to start a device add "
+"operation as they don\\(aqt really collide and this can be used to add more "
+"space for the balance to finish."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "FILESYSTEM LIMITS"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<maximum file name length>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "255"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This limit is imposed by Linux VFS, the structures of BTRFS could store "
+"larger file names."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<maximum symlink target length>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"depends on the I<nodesize> value, for 4KiB it\\(aqs 3949 bytes, for larger "
+"nodesize it\\(aqs 4095 due to the system limit PATH_MAX"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The symlink target may not be a valid path, i.e. the path name components "
+"can exceed the limits (NAME_MAX), there\\(aqs no content validation at "
+"B<symlink(3)> creation."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<maximum number of inodes>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"2\\s-2\\u64\\d\\s0 but depends on the available metadata space as the inodes "
+"are created dynamically"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Each subvolume is an independent namespace of inodes and thus their numbers, "
+"so the limit is per subvolume, not for the whole filesystem."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<inode numbers>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"minimum number: 256 (for subvolumes), regular files and directories: 257, "
+"maximum number: (2\\s-2\\u64\\d\\s0 - 256)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The inode numbers that can be assigned to user created files are from the "
+"whole 64bit space except first 256 and last 256 in that range that are "
+"reserved for internal b-tree identifiers."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<maximum file length>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"inherent limit of BTRFS is 2\\s-2\\u64\\d\\s0 (16 EiB) but the practical "
+"limit of Linux VFS is 2\\s-2\\u63\\d\\s0 (8 EiB)"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<maximum number of subvolumes>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the subvolume ids can go up to 2\\s-2\\u48\\d\\s0 but the number of actual "
+"subvolumes depends on the available metadata space"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The space consumed by all subvolume metadata includes bookkeeping of shared "
+"extents can be large (MiB, GiB). The range is not the full 64bit range "
+"because of qgroups that use the upper 16 bits for another purposes."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<maximum number of hardlinks of a file in a directory>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"65536 when the I<extref> feature is turned on during mkfs (default), roughly "
+"100 otherwise and depends on file name length that fits into one metadata "
+"node"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<minimum filesystem size>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the minimal size of each device depends on the I<mixed-bg> feature, without "
+"that (the default) it\\(aqs about 109MiB, with mixed-bg it\\(aqs is 16MiB"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "BOOTLOADER SUPPORT"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"GRUB2 (I<\\%https://www.gnu.org/software/grub>) has the most advanced "
+"support of booting from BTRFS with respect to features."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"U-Boot (I<\\%https://www.denx.de/wiki/U-Boot/>) has decent support for "
+"booting but not all BTRFS features are implemented, check the documentation."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"In general, the first 1MiB on each device is unused with the exception of "
+"primary superblock that is on the offset 64KiB and spans 4KiB. The rest can "
+"be freely used by bootloaders or for other system information. Note that "
+"booting from a filesystem on I<\\%zoned device> is not supported."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "FILE ATTRIBUTES"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The btrfs filesystem supports setting file attributes or flags. Note there "
+"are old and new interfaces, with confusing names. The following list should "
+"clarify that:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<attributes>: B<chattr(1)> or B<lsattr(1)> utilities (the ioctls are "
+"FS_IOC_GETFLAGS and FS_IOC_SETFLAGS), due to the ioctl names the attributes "
+"are also called flags"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<xflags>: to distinguish from the previous, it\\(aqs extended flags, with "
+"tunable bits similar to the attributes but extensible and new bits will be "
+"added in the future (the ioctls are FS_IOC_FSGETXATTR and FS_IOC_FSSETXATTR "
+"but they are not related to extended attributes that are also called "
+"xattrs), there\\(aqs no standard tool to change the bits, there\\(aqs "
+"support in B<xfs_io(8)> as command B<xfs_io -c chattr>"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Attributes"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<a>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<append only>, new writes are always written at the end of the file"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<A>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<no atime updates>"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<c>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<compress data>, all data written after this attribute is set will be "
+"compressed.  Please note that compression is also affected by the mount "
+"options or the parent directory attributes."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When set on a directory, all newly created files will inherit this "
+"attribute.  This attribute cannot be set with \\(aqm\\(aq at the same time."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<C>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<no copy-on-write>, file data modifications are done in-place"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When set on a directory, all newly created files will inherit this attribute."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Due to implementation limitations, this flag can be set/unset only on empty "
+"files."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<d>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<no dump>, makes sense with 3rd party tools like B<dump(8)>, on BTRFS the "
+"attribute can be set/unset but no other special handling is done"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<D>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<synchronous directory updates>, for more details search B<open(2)> for "
+"I<O_SYNC> and I<O_DSYNC>"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<i>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<immutable>, no file data and metadata changes allowed even to the root "
+"user as long as this attribute is set (obviously the exception is unsetting "
+"the attribute)"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<m>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<no compression>, permanently turn off compression on the given file. Any "
+"compression mount options will not affect this file. (B<chattr> support "
+"added in 1.46.2)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When set on a directory, all newly created files will inherit this "
+"attribute.  This attribute cannot be set with I<c> at the same time."
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<S>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<synchronous updates>, for more details search B<open(2)> for I<O_SYNC> and "
+"I<O_DSYNC>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"No other attributes are supported.  For the complete list please refer to "
+"the B<chattr(1)> manual page."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "XFLAGS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There\\(aqs an overlap of letters assigned to the bits with the attributes, "
+"this list refers to what B<xfs_io(8)> provides:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<immutable>, same as the attribute"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<append only>, same as the attribute"
+msgstr ""
+
+#. type: TP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "B<s>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<synchronous updates>, same as the attribute I<S>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<no atime updates>, same as the attribute"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<no dump>, same as the attribute"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "ZONED MODE"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Since version 5.12 btrfs supports so called I<zoned mode>\\&. This is a "
+"special on-disk format and allocation/write strategy that\\(aqs friendly to "
+"zoned devices.  In short, a device is partitioned into fixed-size zones and "
+"each zone can be updated by append-only manner, or reset. As btrfs has no "
+"fixed data structures, except the super blocks, the zoned mode only requires "
+"block placement that follows the device constraints. You can learn about the "
+"whole architecture at I<\\%https://zonedstorage.io> ."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The devices are also called SMR/ZBC/ZNS, in I<host-managed> mode. Note that "
+"there are devices that appear as non-zoned but actually are, this is I<drive-"
+"managed> and using zoned mode won\\(aqt help."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The zone size depends on the device, typical sizes are 256MiB or 1GiB. In "
+"general it must be a power of two. Emulated zoned devices like I<null_blk> "
+"allow to set various zone sizes."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Requirements, limitations"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "all devices must have the same zone size"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "maximum zone size is 8GiB"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "minimum zone size is 4MiB"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"mixing zoned and non-zoned devices is possible, the zone writes are "
+"emulated, but this is namely for testing"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the super block is handled in a special way and is at different locations "
+"than on a non-zoned filesystem:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "primary: 0B (and the next two zones)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "secondary: 512GiB (and the next two zones)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "tertiary: 4TiB (4096GiB, and the next two zones)"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Incompatible features"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The main constraint of the zoned devices is lack of in-place update of the "
+"data.  This is inherently incompatible with some features:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "NODATACOW - overwrite in-place, cannot create such files"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "fallocate - preallocating space for in-place first write"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"mixed-bg - unordered writes to data and metadata, fixing that means using "
+"separate data and metadata block groups"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"booting - the zone at offset 0 contains superblock, resetting the zone would "
+"destroy the bootloader data"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Initial support lacks some features but they\\(aqre planned:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "only single (data, metadata) and DUP (metadata) profile is supported"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "fstrim - due to dependency on free space cache v1"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Super block"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"As said above, super block is handled in a special way. In order to be crash "
+"safe, at least one zone in a known location must contain a valid "
+"superblock.  This is implemented as a ring buffer in two consecutive zones, "
+"starting from known offsets 0B, 512GiB and 4TiB."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The values are different than on non-zoned devices. Each new super block is "
+"appended to the end of the zone, once it\\(aqs filled, the zone is reset and "
+"writes continue to the next one. Looking up the latest super block needs to "
+"read offsets of both zones and determine the last written version."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The amount of space reserved for super block depends on the zone size. The "
+"secondary and tertiary copies are at distant offsets as the capacity of the "
+"devices is expected to be large, tens of terabytes. Maximum zone size "
+"supported is 8GiB, which would mean that e.g. offset 0-16GiB would be "
+"reserved just for the super block on a hypothetical device of that zone "
+"size. This is wasteful but required to guarantee crash safety."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Devices"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Real hardware"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The WD Ultrastar series 600 advertises HM-SMR, i.e. the host-managed zoned "
+"mode. There are two more: DA (device managed, no zoned information exported "
+"to the system), HA (host aware, can be used as regular disk but zoned writes "
+"improve performance). There are not many devices available at the moment, "
+"the information about exact zoned mode is hard to find, check data sheets or "
+"community sources gathering information from real devices."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Note: zoned mode won\\(aqt work with DM-SMR disks."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Ultrastar® DC ZN540 NVMe ZNS SSD (I<\\%product brief>)"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Emulated: null_blk"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The driver I<null_blk> provides memory backed device and is suitable for "
+"testing. There are some quirks setting up the devices. The module must be "
+"loaded with I<nr_devices=0> or the numbering of device nodes will be offset. "
+"The I<configfs> must be mounted at I</sys/kernel/config> and the "
+"administration of the null_blk devices is done in I</sys/kernel/config/"
+"nullb>\\&. The device nodes are named like B</dev/nullb0> and are numbered "
+"sequentially. NOTE: the device name may be different than the named "
+"directory in sysfs!"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Setup:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron opensuse-leap-15-6
+#: opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"modprobe\\ configfs\n"
+"modprobe\\ null_blk\\ nr_devices=0\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Create a device I<mydev>, assuming no other previously created devices, size "
+"is 2048MiB, zone size 256MiB. There are more tunable parameters, this is a "
+"minimal example taking defaults:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron opensuse-leap-15-6
+#: opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"cd\\ /sys/kernel/config/nullb/\n"
+"mkdir\\ mydev\n"
+"cd\\ mydev\n"
+"echo\\ 2048\\ E<gt>\\ size\n"
+"echo\\ 1\\ E<gt>\\ zoned\n"
+"echo\\ 1\\ E<gt>\\ memory_backed\n"
+"echo\\ 256\\ E<gt>\\ zone_size\n"
+"echo\\ 1\\ E<gt>\\ power\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This will create a device B</dev/nullb0> and the value of file I<index> will "
+"match the ending number of the device node."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Remove the device:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron opensuse-leap-15-6
+#: opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"rmdir\\ /sys/kernel/config/nullb/mydev\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Then continue with B<mkfs.btrfs /dev/nullb0>, the zoned mode is auto-"
+"detected."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"For convenience, there\\(aqs a script wrapping the basic null_blk management "
+"operations I<\\%https://github.com/kdave/nullb.git>, the above commands "
+"become:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron opensuse-leap-15-6
+#: opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"nullb setup\n"
+"nullb create -s 2g -z 256\n"
+"mkfs.btrfs /dev/nullb0\n"
+"\\&...\n"
+"nullb rm nullb0\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Emulated: TCMU runner"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"TCMU is a framework to emulate SCSI devices in userspace, providing various "
+"backends for the storage, with zoned support as well. A file-backed zoned "
+"device can provide more options for larger storage and zone size. Please "
+"follow the instructions at I<\\%https://zonedstorage.io/projects/tcmu-runner/"
+"> ."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Compatibility, incompatibility"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the feature sets an incompat bit and requires new kernel to access the "
+"filesystem (for both read and write)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"superblock needs to be handled in a special way, there are still 3 copies "
+"but at different offsets (0, 512GiB, 4TiB) and the 2 consecutive zones are a "
+"ring buffer of the superblocks, finding the latest one needs reading it from "
+"the write pointer or do a full scan of the zones"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"mixing zoned and non zoned devices is possible (zones are emulated) but is "
+"recommended only for testing"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "mixing zoned devices with different zone sizes is not possible"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"zone sizes must be power of two, zone sizes of real devices are e.g. 256MiB "
+"or 1GiB, larger size is expected, maximum zone size supported by btrfs is "
+"8GiB"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Status, stability, reporting bugs"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The zoned mode has been released in 5.12 and there are still some rough "
+"edges and corner cases one can hit during testing. Please report bugs to I<\\"
+"%https://github.com/naota/linux/issues/> ."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "References"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<\\%https://zonedstorage.io>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://zonedstorage.io/projects/libzbc/> -- I<libzbc> is library and "
+"set of tools to directly manipulate devices with ZBC/ZAC support"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://zonedstorage.io/projects/libzbd/> -- I<libzbd> uses the kernel "
+"provided zoned block device interface based on the ioctl() system calls"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://hddscan.com/blog/2020/hdd-wd-smr.html> -- some details about "
+"exact device types"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://lwn.net/Articles/853308/> -- I<Btrfs on zoned block devices>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://www.usenix.org/conference/vault20/presentation/bjorling> -- "
+"Zone Append: A New Way of Writing to Zoned Storage"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "CONTROL DEVICE"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There\\(aqs a character special device B</dev/btrfs-control> with major and "
+"minor numbers 10 and 234 (the device can be found under the I<misc> "
+"category)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"$ ls -l /dev/btrfs-control\n"
+"crw------- 1 root root 10, 234 Jan  1 12:00 /dev/btrfs-control\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The device accepts some ioctl calls that can perform following actions on "
+"the filesystem module:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"scan devices for btrfs filesystem (i.e. to let multi-device filesystems "
+"mount automatically) and register them with the kernel module"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"similar to scan, but also wait until the device scanning process is finished "
+"for a given filesystem"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"get the supported features (can be also found under B</sys/fs/btrfs/"
+"features>)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The device is created when btrfs is initialized, either as a module or a "
+"built-in functionality and makes sense only in connection with that. Running "
+"e.g. mkfs without the module loaded will not register the device and will "
+"probably warn about that."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"In rare cases when the module is loaded but the device is not present (most "
+"likely accidentally deleted), it\\(aqs possible to recreate it by"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# mknod --mode=600 /dev/btrfs-control c 10 234\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "or (since 5.11) by a convenience command"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# btrfs rescue create-control-device\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The control device is not strictly required but the device scanning will not "
+"work and a workaround would need to be used to mount a multi-device "
+"filesystem.  The mount option I<device> can trigger the device scanning "
+"during mount, see also B<btrfs device scan>\\&."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "FILESYSTEM WITH MULTIPLE PROFILES"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"It is possible that a btrfs filesystem contains multiple block group "
+"profiles of the same type.  This could happen when a profile conversion "
+"using balance filters is interrupted (see I<\\%btrfs-balance(8)>).  Some "
+"B<btrfs> commands perform a test to detect this kind of condition and print "
+"a warning like this:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"WARNING: Multiple block group profiles detected, see \\(aqman btrfs(5)\\(aq.\n"
+"WARNING:   Data: single, raid1\n"
+"WARNING:   Metadata: single, raid1\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "The corresponding output of B<btrfs filesystem df> might look like:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"WARNING: Multiple block group profiles detected, see \\(aqman btrfs(5)\\(aq.\n"
+"WARNING:   Data: single, raid1\n"
+"WARNING:   Metadata: single, raid1\n"
+"Data, RAID1: total=832.00MiB, used=0.00B\n"
+"Data, single: total=1.63GiB, used=0.00B\n"
+"System, single: total=4.00MiB, used=16.00KiB\n"
+"Metadata, single: total=8.00MiB, used=112.00KiB\n"
+"Metadata, RAID1: total=64.00MiB, used=32.00KiB\n"
+"GlobalReserve, single: total=16.25MiB, used=0.00B\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There\\(aqs more than one line for type I<Data> and I<Metadata>, while the "
+"profiles are I<single> and I<RAID1>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This state of the filesystem OK but most likely needs the user/administrator "
+"to take an action and finish the interrupted tasks. This cannot be easily "
+"done automatically, also the user knows the expected final profiles."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"In the example above, the filesystem started as a single device and "
+"I<single> block group profile. Then another device was added, followed by "
+"balance with I<convert=raid1> but for some reason hasn\\(aqt finished. "
+"Restarting the balance with I<convert=raid1> will continue and end up with "
+"filesystem with all block group profiles I<RAID1>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"If you\\(aqre familiar with balance filters, you can use I<convert=raid1,"
+"profiles=single,soft>, which will take only the unconverted I<single> "
+"profiles and convert them to I<raid1>\\&. This may speed up the conversion "
+"as it would not try to rewrite the already convert I<raid1> profiles."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Having just one profile is desired as this also clearly defines the profile "
+"of newly allocated block groups, otherwise this depends on internal "
+"allocation policy. When there are multiple profiles present, the order of "
+"selection is RAID56, RAID10, RAID1, RAID0 as long as the device number "
+"constraints are satisfied."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Commands that print the warning were chosen so they\\(aqre brought to user "
+"attention when the filesystem state is being changed in that regard. This "
+"is: B<device add>, B<device delete>, B<balance cancel>, B<balance pause>\\&. "
+"Commands that report space usage: B<filesystem df>, B<device usage>\\&. The "
+"command B<filesystem usage> provides a line in the overall summary:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"Multiple profiles:                 yes (data, metadata)\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "SEEDING DEVICE"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The COW mechanism and multiple devices under one hood enable an interesting "
+"concept, called a seeding device: extending a read-only filesystem on a "
+"device with another device that captures all writes. For example imagine an "
+"immutable golden image of an operating system enhanced with another device "
+"that allows to use the data from the golden image and normal operation.  "
+"This idea originated on CD-ROMs with base OS and allowing to use them for "
+"live systems, but this became obsolete. There are technologies providing "
+"similar functionality, like I<\\%unionmount>, I<\\%overlayfs> or I<\\%qcow2> "
+"image snapshot."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The seeding device starts as a normal filesystem, once the contents is "
+"ready, B<btrfstune -S 1> is used to flag it as a seeding device. Mounting "
+"such device will not allow any writes, except adding a new device by B<btrfs "
+"device add>\\&.  Then the filesystem can be remounted as read-write."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Given that the filesystem on the seeding device is always recognized as read-"
+"only, it can be used to seed multiple filesystems from one device at the "
+"same time. The UUID that is normally attached to a device is automatically "
+"changed to a random UUID on each mount."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Once the seeding device is mounted, it needs the writable device. After "
+"adding it, unmounting and mounting with B<umount /path; mount /dev/writable /"
+"path> or remounting read-write with B<remount -o remount,rw> makes the "
+"filesystem at B</path> ready for use."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There is a known bug with using remount to make the mount writeable: remount "
+"will leave the filesystem in a state where it is unable to clean deleted "
+"snapshots, so it will leak space until it is unmounted and mounted properly."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Furthermore, deleting the seeding device from the filesystem can turn it "
+"into a normal filesystem, provided that the writable device can also contain "
+"all the data from the seeding device."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The seeding device flag can be cleared again by B<btrfstune -f -S 0>, e.g.  "
+"allowing to update with newer data but please note that this will invalidate "
+"all existing filesystems that use this particular seeding device. This works "
+"for some use cases, not for others, and the forcing flag to the command is "
+"mandatory to avoid accidental mistakes."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Example how to create and use one seeding device:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# mkfs.btrfs /dev/sda\n"
+"# mount /dev/sda /mnt/mnt1\n"
+"\\&... fill mnt1 with data\n"
+"# umount /mnt/mnt1\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "# btrfstune -S 1 /dev/sda\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron opensuse-leap-15-6
+#: opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"# mount /dev/sda /mnt/mnt1\n"
+"# btrfs device add /dev/sdb /mnt/mnt1\n"
+"# umount /mnt/mnt1\n"
+"# mount /dev/sdb /mnt/mnt1\n"
+"\\&... /mnt/mnt1 is now writable\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Now B</mnt/mnt1> can be used normally. The device B</dev/sda> can be mounted "
+"again with a another writable device:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron opensuse-leap-15-6
+#: opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# mount /dev/sda /mnt/mnt2\n"
+"# btrfs device add /dev/sdc /mnt/mnt2\n"
+"# umount /mnt/mnt2\n"
+"# mount /dev/sdc /mnt/mnt2\n"
+"\\&... /mnt/mnt2 is now writable\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The writable device (file:I</dev/sdb>) can be decoupled from the seeding "
+"device and used independently:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# btrfs device delete /dev/sda /mnt/mnt1\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"As the contents originated in the seeding device, it\\(aqs possible to turn "
+"B</dev/sdb> to a seeding device again and repeat the whole process."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "A few things to note:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"it\\(aqs recommended to use only single device for the seeding device, it "
+"works for multiple devices but the I<single> profile must be used in order "
+"to make the seeding device deletion work"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "block group profiles I<single> and I<dup> support the use cases above"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"the label is copied from the seeding device and can be changed by B<btrfs "
+"filesystem label>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "each new mount of the seeding device gets a new random UUID"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"B<umount /path; mount /dev/writable /path> can be replaced with B<mount -o "
+"remount,rw /path> but it won\\(aqt reclaim space of deleted subvolumes until "
+"the seeding device is mounted read-write again before making it seeding again"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Chained seeding devices"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Though it\\(aqs not recommended and is rather an obscure and untested use "
+"case, chaining seeding devices is possible. In the first example, the "
+"writable device B</dev/sdb> can be turned onto another seeding device again, "
+"depending on the unchanged seeding device B</dev/sda>\\&. Then using B</dev/"
+"sdb> as the primary seeding device it can be extended with another writable "
+"device, say B</dev/sdd>, and it continues as before as a simple tree "
+"structure on devices."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"# mount /dev/sda /mnt/mnt1\n"
+"# btrfs device add /dev/sdb /mnt/mnt1\n"
+"# mount -o remount,rw /mnt/mnt1\n"
+"\\&... /mnt/mnt1 is now writable\n"
+"# umount /mnt/mnt1\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "# btrfstune -S 1 /dev/sdb\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid ""
+"# mount /dev/sdb /mnt/mnt1\n"
+"# btrfs device add /dev/sdc /mnt\n"
+"# mount -o remount,rw /mnt/mnt1\n"
+"\\&... /mnt/mnt1 is now writable\n"
+"# umount /mnt/mnt1\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "As a result we have:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<sda> is a single seeding device, with its initial contents"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<sdb> is a seeding device but requires I<sda>, the contents are from the "
+"time when I<sdb> is made seeding, i.e. contents of I<sda> with any later "
+"changes"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<sdc> last writable, can be made a seeding one the same way as was I<sdb>, "
+"preserving its contents and depending on I<sda> and I<sdb>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"As long as the seeding devices are unmodified and available, they can be "
+"used to start another branch."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "RAID56 STATUS AND RECOMMENDED PRACTICES"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The RAID56 feature provides striping and parity over several devices, same "
+"as the traditional RAID5/6. There are some implementation and design "
+"deficiencies that make it unreliable for some corner cases and the feature "
+"B<should not be used in production, only for evaluation or testing>\\&.  The "
+"power failure safety for metadata with RAID56 is not 100%."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Metadata"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Do not use I<raid5> nor I<raid6> for metadata. Use I<raid1> or I<raid1c3> "
+"respectively."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The substitute profiles provide the same guarantees against loss of 1 or 2 "
+"devices, and in some respect can be an improvement.  Recovering from one "
+"missing device will only need to access the remaining 1st or 2nd copy, that "
+"in general may be stored on some other devices due to the way RAID1 works on "
+"btrfs, unlike on a striped profile (similar to I<raid0>) that would need all "
+"devices all the time."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The space allocation pattern and consumption is different (e.g. on N "
+"devices): for I<raid5> as an example, a 1GiB chunk is reserved on each "
+"device, while with I<raid1> there\\(aqs each 1GiB chunk stored on 2 devices. "
+"The consumption of each 1GiB of used metadata is then I<N * 1GiB> for vs I<2 "
+"* 1GiB>\\&. Using I<raid1> is also more convenient for balancing/converting "
+"to other profile due to lower requirement on the available chunk space."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Missing/incomplete support"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When RAID56 is on the same filesystem with different raid profiles, the "
+"space reporting is inaccurate, e.g. B<df>, B<btrfs filesystem df> or B<btrfs "
+"filesystem usage>\\&. When there\\(aqs only a one profile per block group "
+"type (e.g. RAID5 for data) the reporting is accurate."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When scrub is started on a RAID56 filesystem, it\\(aqs started on all "
+"devices that degrade the performance. The workaround is to start it on each "
+"device separately. Due to that the device stats may not match the actual "
+"state and some errors might get reported multiple times."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The I<write hole> problem. An unclean shutdown could leave a partially "
+"written stripe in a state where the some stripe ranges and the parity are "
+"from the old writes and some are new. The information which is which is not "
+"tracked. Write journal is not implemented. Alternatively a full read-modify-"
+"write would make sure that a full stripe is always written, avoiding the "
+"write hole completely, but performance in that case turned out to be too bad "
+"for use."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The striping happens on all available devices (at the time the chunks were "
+"allocated), so in case a new device is added it may not be utilized "
+"immediately and would require a rebalance. A fixed configured stripe width "
+"is not implemented."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "STORAGE MODEL, HARDWARE CONSIDERATIONS"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Storage model"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<A storage model is a model that captures key physical aspects of data "
+"structure in a data store. A filesystem is the logical structure organizing "
+"data on top of the storage device.>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The filesystem assumes several features or limitations of the storage device "
+"and utilizes them or applies measures to guarantee reliability. BTRFS in "
+"particular is based on a COW (copy on write) mode of writing, i.e. not "
+"updating data in place but rather writing a new copy to a different location "
+"and then atomically switching the pointers."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"In an ideal world, the device does what it promises. The filesystem assumes "
+"that this may not be true so additional mechanisms are applied to either "
+"detect misbehaving hardware or get valid data by other means. The devices "
+"may (and do)  apply their own detection and repair mechanisms but we "
+"won\\(aqt assume any."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The following assumptions about storage devices are considered (sorted by "
+"importance, numbers are for further reference):"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"atomicity of reads and writes of blocks/sectors (the smallest unit of data "
+"the device presents to the upper layers)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"there\\(aqs a flush command that instructs the device to forcibly order "
+"writes before and after the command; alternatively there\\(aqs a barrier "
+"command that facilitates the ordering but may not flush the data"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"data sent to write to a given device offset will be written without further "
+"changes to the data and to the offset"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"writes can be reordered by the device, unless explicitly serialized by the "
+"flush command"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "reads and writes can be freely reordered and interleaved"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The consistency model of BTRFS builds on these assumptions. The logical data "
+"updates are grouped, into a generation, written on the device, serialized by "
+"the flush command and then the super block is written ending the "
+"generation.  All logical links among metadata comprising a consistent view "
+"of the data may not cross the generation boundary."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "When things go wrong"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "B<No or partial atomicity of block reads/writes (1)>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<Problem>: a partial block contents is written (I<torn write>), e.g. due to "
+"a power glitch or other electronics failure during the read/write"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<Detection>: checksum mismatch on read"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<Repair>: use another copy or rebuild from multiple blocks using some "
+"encoding scheme"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "B<The flush command does not flush (2)>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This is perhaps the most serious problem and impossible to mitigate by "
+"filesystem without limitations and design restrictions. What could happen in "
+"the worst case is that writes from one generation bleed to another one, "
+"while still letting the filesystem consider the generations isolated. Crash "
+"at any point would leave data on the device in an inconsistent state without "
+"any hint what exactly got written, what is missing and leading to stale "
+"metadata link information."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Devices usually honor the flush command, but for performance reasons may do "
+"internal caching, where the flushed data are not yet persistently stored. A "
+"power failure could lead to a similar scenario as above, although it\\(aqs "
+"less likely that later writes would be written before the cached ones. This "
+"is beyond what a filesystem can take into account. Devices or controllers "
+"are usually equipped with batteries or capacitors to write the cache "
+"contents even after power is cut. (I<Battery backed write cache>)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "B<Data get silently changed on write (3)>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Such thing should not happen frequently, but still can happen spuriously due "
+"the complex internal workings of devices or physical effects of the storage "
+"media itself."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<Problem>: while the data are written atomically, the contents get changed"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "B<Data get silently written to another offset (3)>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"This would be another serious problem as the filesystem has no information "
+"when it happens. For that reason the measures have to be done ahead of "
+"time.  This problem is also commonly called I<ghost write>\\&."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The metadata blocks have the checksum embedded in the blocks, so a correct "
+"atomic write would not corrupt the checksum. It\\(aqs likely that after "
+"reading such block the data inside would not be consistent with the rest. To "
+"rule that out there\\(aqs embedded block number in the metadata block. "
+"It\\(aqs the logical block number because this is what the logical structure "
+"expects and verifies."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The following is based on information publicly available, user feedback, "
+"community discussions or bug report analyses. It\\(aqs not complete and "
+"further research is encouraged when in doubt."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Main memory"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The data structures and raw data blocks are temporarily stored in computer "
+"memory before they get written to the device. It is critical that memory is "
+"reliable because even simple bit flips can have vast consequences and lead "
+"to damaged structures, not only in the filesystem but in the whole operating "
+"system."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Based on experience in the community, memory bit flips are more common than "
+"one would think. When it happens, it\\(aqs reported by the tree-checker or "
+"by a checksum mismatch after reading blocks. There are some very obvious "
+"instances of bit flips that happen, e.g. in an ordered sequence of keys in "
+"metadata blocks. We can easily infer from the other data what values get "
+"damaged and how. However, fixing that is not straightforward and would "
+"require cross-referencing data from the entire filesystem to see the scope."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"If available, ECC memory should lower the chances of bit flips, but this "
+"type of memory is not available in all cases. A memory test should be "
+"performed in case there\\(aqs a visible bit flip pattern, though this may "
+"not detect a faulty memory module because the actual load of the system "
+"could be the factor making the problems appear. In recent years attacks on "
+"how the memory modules operate have been demonstrated (I<rowhammer>) "
+"achieving specific bits to be flipped.  While these were targeted, this "
+"shows that a series of reads or writes can affect unrelated parts of memory."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "Further reading:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<\\%https://en.wikipedia.org/wiki/Row_hammer>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "What to do:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"run I<memtest>, note that sometimes memory errors happen only when the "
+"system is under heavy load that the default memtest cannot trigger"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"memory errors may appear as filesystem going read-only due to \"pre write\" "
+"check, that verify meta data before they get written but fail some basic "
+"consistency checks"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Direct memory access (DMA)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Another class of errors is related to DMA (direct memory access) performed "
+"by device drivers. While this could be considered a software error, the data "
+"transfers that happen without CPU assistance may accidentally corrupt other "
+"pages. Storage devices utilize DMA for performance reasons, the filesystem "
+"structures and data pages are passed back and forth, making errors possible "
+"in case page life time is not properly tracked."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are lots of quirks (device-specific workarounds) in Linux kernel "
+"drivers (regarding not only DMA) that are added when found. The quirks may "
+"avoid specific errors or disable some features to avoid worse problems."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"use up-to-date kernel (recent releases or maintained long term support "
+"versions)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "as this may be caused by faulty drivers, keep the systems up-to-date"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Rotational disks (HDD)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Rotational HDDs typically fail at the level of individual sectors or small "
+"clusters.  Read failures are caught on the levels below the filesystem and "
+"are returned to the user as I<EIO - Input/output error>\\&. Reading the "
+"blocks repeatedly may return the data eventually, but this is better done by "
+"specialized tools and filesystem takes the result of the lower layers. "
+"Rewriting the sectors may trigger internal remapping but this inevitably "
+"leads to data loss."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Disk firmware is technically software but from the filesystem perspective is "
+"part of the hardware. IO requests are processed, and caching or various "
+"other optimizations are performed, which may lead to bugs under high load or "
+"unexpected physical conditions or unsupported use cases."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Disks are connected by cables with two ends, both of which can cause "
+"problems when not attached properly. Data transfers are protected by "
+"checksums and the lower layers try hard to transfer the data correctly or "
+"not at all. The errors from badly-connecting cables may manifest as large "
+"amount of failed read or write requests, or as short error bursts depending "
+"on physical conditions."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "check B<smartctl> for potential issues"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Solid state drives (SSD)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The mechanism of information storage is different from HDDs and this affects "
+"the failure mode as well. The data are stored in cells grouped in large "
+"blocks with limited number of resets and other write constraints. The "
+"firmware tries to avoid unnecessary resets and performs optimizations to "
+"maximize the storage media lifetime. The known techniques are deduplication "
+"(blocks with same fingerprint/hash are mapped to same physical block), "
+"compression or internal remapping and garbage collection of used memory "
+"cells. Due to the additional processing there are measures to verity the "
+"data e.g. by ECC codes."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The observations of failing SSDs show that the whole electronic fails at "
+"once or affects a lot of data (e.g. stored on one chip). Recovering such "
+"data may need specialized equipment and reading data repeatedly does not "
+"help as it\\(aqs possible with HDDs."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are several technologies of the memory cells with different "
+"characteristics and price. The lifetime is directly affected by the type and "
+"frequency of data written.  Writing \"too much\" distinct data (e.g. "
+"encrypted)  may render the internal deduplication ineffective and lead to a "
+"lot of rewrites and increased wear of the memory cells."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are several technologies and manufacturers so it\\(aqs hard to "
+"describe them but there are some that exhibit similar behaviour:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"expensive SSD will use more durable memory cells and is optimized for "
+"reliability and high load"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"cheap SSD is projected for a lower load (\"desktop user\") and is optimized "
+"for cost, it may employ the optimizations and/or extended error reporting "
+"partially or not at all"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"It\\(aqs not possible to reliably determine the expected lifetime of an SSD "
+"due to lack of information about how it works or due to lack of reliable "
+"stats provided by the device."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Metadata writes tend to be the biggest component of lifetime writes to a "
+"SSD, so there is some value in reducing them. Depending on the device class "
+"(high end/low end) the features like DUP block group profiles may affect the "
+"reliability in both ways:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<high end> are typically more reliable and using I<single> for data and "
+"metadata could be suitable to reduce device wear"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<low end> could lack ability to identify errors so an additional redundancy "
+"at the filesystem level (checksums, I<DUP>) could help"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Only users who consume 50 to 100% of the SSD\\(aqs actual lifetime writes "
+"need to be concerned by the write amplification of btrfs DUP metadata. Most "
+"users will be far below 50% of the actual lifetime, or will write the drive "
+"to death and discover how many writes 100% of the actual lifetime was. SSD "
+"firmware often adds its own write multipliers that can be arbitrary and "
+"unpredictable and dependent on application behavior, and these will "
+"typically have far greater effect on SSD lifespan than DUP metadata. "
+"It\\(aqs more or less impossible to predict when a SSD will run out of "
+"lifetime writes to within a factor of two, so it\\(aqs hard to justify wear "
+"reduction as a benefit."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://www.snia.org/educational-library/ssd-and-deduplication-end-"
+"spinning-disk-2012>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://www.snia.org/educational-library/realities-solid-state-"
+"storage-2013-2013>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://www.snia.org/educational-library/ssd-performance-primer-2013>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"I<\\%https://www.snia.org/educational-library/how-controllers-maximize-ssd-"
+"life-2013>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "run B<smartctl> or self-tests to look for potential issues"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "keep the firmware up-to-date"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "NVM express, non-volatile memory (NVMe)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"NVMe is a type of persistent memory usually connected over a system bus "
+"(PCIe)  or similar interface and the speeds are an order of magnitude faster "
+"than SSD.  It is also a non-rotating type of storage, and is not typically "
+"connected by a cable. It\\(aqs not a SCSI type device either but rather a "
+"complete specification for logical device interface."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"In a way the errors could be compared to a combination of SSD class and "
+"regular memory. Errors may exhibit as random bit flips or IO failures. There "
+"are tools to access the internal log (B<nvme log> and B<nvme-cli>) for a "
+"more detailed analysis."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are separate error detection and correction steps performed e.g. on "
+"the bus level and in most cases never making in to the filesystem level. "
+"Once this happens it could mean there\\(aqs some systematic error like "
+"overheating or bad physical connection of the device. You may want to run "
+"self-tests (using B<smartctl>)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<\\%https://en.wikipedia.org/wiki/NVM_Express>"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "I<\\%https://www.smartmontools.org/wiki/NVMe_Support>"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Drive firmware"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Firmware is technically still software but embedded into the hardware. As "
+"all software has bugs, so does firmware. Storage devices can update the "
+"firmware and fix known bugs. In some cases the it\\(aqs possible to avoid "
+"certain bugs by quirks (device-specific workarounds) in Linux kernel."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"A faulty firmware can cause wide range of corruptions from small and "
+"localized to large affecting lots of data. Self-repair capabilities may not "
+"be sufficient."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"check for firmware updates in case there are known problems, note that "
+"updating firmware can be risky on itself"
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "SD flash cards"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"There are a lot of devices with low power consumption and thus using storage "
+"media based on low power consumption too, typically flash memory stored on a "
+"chip enclosed in a detachable card package. An improperly inserted card may "
+"be damaged by electrical spikes when the device is turned on or off. The "
+"chips storing data in turn may be damaged permanently. All types of flash "
+"memory have a limited number of rewrites, so the data are internally "
+"translated by FTL (flash translation layer). This is implemented in firmware "
+"(technically a software) and prone to bugs that manifest as hardware errors."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Adding redundancy like using DUP profiles for both data and metadata can "
+"help in some cases but a full backup might be the best option once problems "
+"appear and replacing the card could be required as well."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Hardware as the main source of filesystem corruptions"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"B<If you use unreliable hardware and don\\(aqt know about that, don\\(aqt "
+"blame the filesystem when it tells you.>"
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "SEE ALSO"
+msgstr ""
+
+#.  Generated by docutils manpage writer.
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"B<acl(5)>, I<\\%btrfs(8)>, B<chattr(1)>, B<fstrim(8)>, B<ioctl(2)>, I<\\"
+"%mkfs.btrfs(8)>, B<mount(8)>, B<swapon(8)>"
+msgstr ""
+
+#. type: TH
+#: debian-bookworm
+#, no-wrap
+msgid "Feb 28, 2023"
+msgstr ""
+
+#. type: TH
+#: debian-bookworm
+#, no-wrap
+msgid "6.2"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Enable automatic file defragmentation.  When enabled, small random writes "
+"into files (in a range of tens of kilobytes, currently it\\(aqs 64KiB) are "
+"detected and queued up for the defragmentation process.  Not well suited for "
+"large database workloads."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Force clearing and rebuilding of the disk space cache if something has gone "
+"wrong. See also: I<space_cache>\\&."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Allow mounts with less devices than the RAID profile constraints require.  A "
+"read-write mount (or remount) may fail when there are too many devices "
+"missing, for example if a stripe member is completely missing from RAID0."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Example: metadata -- raid1, data -- single, devices -- /dev/sda, /dev/sdb"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid "(default: off, async support since: 5.6)"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid "(depends on compile-time option BTRFS_DEBUG, since: 4.4, default: off)"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"A debugging helper to intentionally fragment given I<type> of block groups. "
+"The type can be I<data>, I<metadata> or I<all>\\&. This mount option should "
+"not be used outside of debugging environments and is not recognized if the "
+"kernel config option I<BTRFS_DEBUG> is not enabled."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Specify the maximum amount of space, that can be inlined in a metadata b-"
+"tree leaf.  The value is specified in bytes, optionally with a K suffix "
+"(case insensitive).  In practice, this value is limited by the filesystem "
+"block size (named I<sectorsize> at mkfs time), and memory page size of the "
+"system. In case of sectorsize limit, there\\(aqs some space unavailable due "
+"to leaf headers.  For example, a 4KiB sectorsize, maximum size of inline "
+"data is about 3900 bytes."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"(I<nospace_cache> since: 3.2, I<space_cache=v1> and I<space_cache=v2> since "
+"4.5, default: I<space_cache=v1>)"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"There are two implementations of the free space cache. The original one, "
+"referred to as I<v1>, is the safe default. The I<v1> space cache can be "
+"disabled at mount time with I<nospace_cache> without clearing."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"On very large filesystems (many terabytes) and certain workloads, the "
+"performance of the I<v1> space cache may degrade drastically. The I<v2> "
+"implementation, which adds a new b-tree called the free space tree, "
+"addresses this issue. Once enabled, the I<v2> space cache will always be "
+"used and cannot be disabled unless it is cleared. Use I<clear_cache,"
+"space_cache=v1> or I<clear_cache,nospace_cache> to do so. If I<v2> is "
+"enabled, kernels without I<v2> support will only be able to mount the "
+"filesystem in read-only mode."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"The I<\\%btrfs-check(8)> and I<:doc:\\(gamkfs.btrfs(8)E<lt>mkfs.btrfsE<gt>> "
+"commands have full I<v2> free space cache support since v4.19."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"If a version is not explicitly specified, the default implementation will be "
+"chosen, which is I<v1>\\&."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm opensuse-leap-15-6
+msgid ""
+"The functionality has been removed in 5.11, any stale data created by "
+"previous use of the I<inode_cache> option can be removed by B<btrfs check --"
+"clear-ino-cache>\\&."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"The features of a filesystem (with a given UUID) are listed in I</sys/fs/"
+"btrfs/UUID/features/>, one file per feature. The status is stored inside the "
+"file. The value I<1> is for enabled and active, while I<0> means the feature "
+"was enabled at mount time but turned off afterwards."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Whether a particular feature can be turned on a mounted filesystem can be "
+"found in the directory I</sys/fs/btrfs/features/>, one file per feature. The "
+"value I<1> means the feature can be enabled."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"List of features (see also I<\\%mkfs.btrfs(8)> section I<FILESYSTEM "
+"FEATURES>):"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"list of checksum algorithms supported by the kernel module, the respective "
+"modules or built-in implementing the algorithms need to be present to mount "
+"the filesystem, see I<CHECKSUM ALGORITHMS>"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"zoned mode is allocation/write friendly to host-managed zoned devices, "
+"allocation space is partitioned into fixed-size zones that must be updated "
+"sequentially, see I<ZONED MODE>"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"A swapfile is file-backed memory that the system uses to temporarily offload "
+"the RAM.  It is supported since kernel 5.0. Use B<swapon(8)> to activate the "
+"swapfile. There are some limitations of the implementation in BTRFS and "
+"Linux swap subsystem:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid "swapfile - the containing subvolume cannot be snapshotted"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"balance - block groups with swapfile extents are skipped and reported, the "
+"rest will be processed normally"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"resize shrink - works as long as the extents are outside of the shrunk range"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"device add - a new device does not interfere with existing swapfile and this "
+"operation will work, though no new swapfile can be activated afterwards"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# btrfs filesystem mkswapfile swapfile\n"
+"# swapon swapfile\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid "The file will appear in I</proc/swaps>:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Since version 6.1 there\\(aqs a command B<btrfs inspect-internal map-"
+"swapfile> that will print the device physical offset and the adjusted value "
+"for I</sys/power/resume_offset>\\&.  Note that the value is divided by page "
+"size, i.e. it\\(aqs not the offset itself."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"The command I<map-swapfile> also verifies all the requirements, i.e. no "
+"holes, single device, etc."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Notably, the I<swapon> utility exits with a message that does not say what "
+"failed:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+msgid ""
+"Approximate relative performance of the algorithms, measured against CRC32C "
+"using reference software implementations on a 3.5GHz intel CPU:"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "1700"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "CPU instruction"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "2500"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "1.44"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "105000"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "61"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "36000"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "libgcrypt/AVX2"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "63000"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "37"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "libsodium/AVX2"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "22000"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "13"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "19000"
+msgstr ""
+
+#. type: tbl table
+#: debian-bookworm debian-unstable mageia-cauldron opensuse-leap-15-6
+#, no-wrap
+msgid "11"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Many kernels are configured with SHA256 as built-in and not as a module.  "
+"The accelerated versions are however provided by the modules and must be "
+"loaded explicitly (B<modprobe sha256>) before mounting the filesystem to "
+"make use of them. You can check in I</sys/fs/btrfs/FSID/checksum> which one "
+"is used. If you see I<sha256-generic>, then you may want to unmount and "
+"mount the filesystem again, changing that on a mounted filesystem is not "
+"possible.  Check the file I</proc/crypto>, when the implementation is built-"
+"in, you\\(aqd find"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Typically the compression can be enabled on the whole filesystem, specified "
+"for the mount point. Note that the compression mount options are shared "
+"among all mounts of the same filesystem, either bind mounts or subvolume "
+"mounts.  Please refer to section I<MOUNT OPTIONS>\\&."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"The top level path is I</sys/fs/btrfs/>, and the main directory layout is "
+"the following:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"For I</sys/fs/btrfs/features/> directory, each file means a supported "
+"feature for the current kernel."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"For I</sys/fs/btrfs/E<lt>UUIDE<gt>/features/> directory, each file means an "
+"enabled feature for the mounted filesystem."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid "The features shares the same name in section I<FILESYSTEM FEATURES>\\&."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid "Files in I</sys/fs/btrfs/E<lt>UUIDE<gt>/> directory are:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"The checksum used for the mounted filesystem.  This includes both the "
+"checksum type (see section I<CHECKSUM ALGORITHMS>)  and the implemented "
+"driver (mostly shows if it\\(aqs hardware accelerated)."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Shows the running exclusive operation.  Check section I<FILESYSTEM EXCLUSIVE "
+"OPERATIONS> for details."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Files and directories in I</sys/fs/btrfs/E<lt>UUIDE<gt>/allocations> "
+"directory are:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Files in I</sys/fs/btrfs/E<lt>UUIDE<gt>/allocations/{data,metadata,system}> "
+"directory are:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Files in I</sys/fs/btrfs/E<lt>UUIDE<gt>/devinfo/E<lt>DEVIDE<gt>> directory "
+"are:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid "Files in I</sys/fs/btrfs/E<lt>UUIDE<gt>/qgroups/> directory are:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Files in I</sys/fs/btrfs/E<lt>UUIDE<gt>/E<lt>LEVELE<gt>_E<lt>IDE<gt>/> "
+"directory are:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Since kernel 5.10 the currently running operation can be obtained from I</"
+"sys/fs/UUID/exclusive_operation> with following values and operations:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"minimum number: 256 (for subvolumes), regular files and directories: 257, "
+"maximum number: (2:sup:I<64> - 256)"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"65536 when the I<extref> feature is turned on during mkfs (default), roughly "
+"100 otherwise"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"U-boot (I<\\%https://www.denx.de/wiki/U-Boot/>) has decent support for "
+"booting but not all BTRFS features are implemented, check the documentation."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"EXTLINUX (from the I<\\%https://syslinux.org> project) has limited support "
+"for BTRFS boot and hasn\\(aqt been updated for for a long time so is not "
+"recommended as bootloader."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"There\\(aqs overlap of letters assigned to the bits with the attributes, "
+"this list refers to what B<xfs_io(8)> provides:"
+msgstr ""
+
+#. type: TP
+#: debian-bookworm
+#, no-wrap
+msgid "B<the super block is handled in a special way and is at different locations than on a non-zoned filesystem:>"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid "only single profile is supported"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"There\\(aqs a character special device I</dev/btrfs-control> with major and "
+"minor numbers 10 and 234 (the device can be found under the \\(aqmisc\\(aq "
+"category)."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"get the supported features (can be also found under I</sys/fs/btrfs/"
+"features>)"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"The COW mechanism and multiple devices under one hood enable an interesting "
+"concept, called a seeding device: extending a read-only filesystem on a "
+"device with another device that captures all writes. For example imagine an "
+"immutable golden image of an operating system enhanced with another device "
+"that allows to use the data from the golden image and normal operation.  "
+"This idea originated on CD-ROMs with base OS and allowing to use them for "
+"live systems, but this became obsolete. There are technologies providing "
+"similar functionality, like I<unionmount>, I<overlayfs> or I<qcow2> image "
+"snapshot."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Once the seeding device is mounted, it needs the writable device. After "
+"adding it, something like B<remount -o remount,rw /path> makes the "
+"filesystem at I</path> ready for use. The simplest use case is to throw away "
+"all changes by unmounting the filesystem when convenient."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Alternatively, deleting the seeding device from the filesystem can turn it "
+"into a normal filesystem, provided that the writable device can also contain "
+"all the data from the seeding device."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+#, no-wrap
+msgid ""
+"# mount /dev/sda /mnt/mnt1\n"
+"# btrfs device add /dev/sdb /mnt/mnt1\n"
+"# mount -o remount,rw /mnt/mnt1\n"
+"\\&... /mnt/mnt1 is now writable\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Now I</mnt/mnt1> can be used normally. The device I</dev/sda> can be mounted "
+"again with a another writable device:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+#, no-wrap
+msgid ""
+"^\".ft C$\n"
+"# mount /dev/sda /mnt/mnt2\n"
+"# btrfs device add /dev/sdc /mnt/mnt2\n"
+"# mount -o remount,rw /mnt/mnt2\n"
+"\\&... /mnt/mnt2 is now writable\n"
+"^\".ft P$\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"The writable device (I</dev/sdb>) can be decoupled from the seeding device "
+"and used independently:"
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"As the contents originated in the seeding device, it\\(aqs possible to turn "
+"I</dev/sdb> to a seeding device again and repeat the whole process."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"Though it\\(aqs not recommended and is rather an obscure and untested use "
+"case, chaining seeding devices is possible. In the first example, the "
+"writable device I</dev/sdb> can be turned onto another seeding device again, "
+"depending on the unchanged seeding device I</dev/sda>\\&. Then using I</dev/"
+"sdb> as the primary seeding device it can be extended with another writable "
+"device, say I</dev/sdd>, and it continues as before as a simple tree "
+"structure on devices."
+msgstr ""
+
+#. type: Plain text
+#: debian-bookworm
+msgid ""
+"When RAID56 is on the same filesystem with different raid profiles, the "
+"space reporting is inaccurate, e.g. B<df>, B<btrfs filesystem df> or B<btrfs "
+"filesystem usage>\\&. When there\\(aqs only a one profile per block group "
+"type (e.g. RAID5 for data)  the reporting is accurate."
+msgstr ""
+
+#. type: TH
+#: debian-unstable
+#, no-wrap
+msgid "Feb 28, 2024"
+msgstr ""
+
+#. type: TH
+#: debian-unstable mageia-cauldron
+#, no-wrap
+msgid "6.6.3"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# truncate -s 0 swapfile\n"
+"# chattr +C swapfile\n"
+"# fallocate -l 2G swapfile\n"
+"# chmod 0600 swapfile\n"
+"# mkswap swapfile\n"
+"# swapon swapfile\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# btrfs filesystem mkswapfile --size 2G swapfile\n"
+"# swapon swapfile\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# cat /proc/swaps\n"
+"Filename          Type          Size           Used      Priority\n"
+"/path/swapfile    file          2097152        0         -2\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid "/path/swapfile        none        swap        defaults      0 0\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# btrfs filesystem mkswapfile swapfile\n"
+"# btrfs inspect-internal map-swapfile swapfile\n"
+"Physical start: 811511726080\n"
+"Resume offset:     198122980\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# btrfs inspect-internal map-swapfile -r swapfile\n"
+"198122980\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# swapon /path/swapfile\n"
+"swapon: /path/swapfile: swapon failed: Invalid argument\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# journalctl -t kernel | grep swapfile\n"
+"kernel: BTRFS warning (device sda): swapfile must have single data profile\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"name         : sha256\n"
+"driver       : sha256-generic\n"
+"module       : kernel\n"
+"priority     : 100\n"
+"\\&...\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"name         : sha256\n"
+"driver       : sha256-avx2\n"
+"module       : sha256_ssse3\n"
+"priority     : 170\n"
+"\\&...\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid "$ mount -o compress=zstd /dev/sdx /mnt\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid "$ btrfs filesystem defrag -czstd file\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"$ chattr +c file\n"
+"$ btrfs property set file compression zstd\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"$ lsattr file\n"
+"---------------------m file\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"modprobe\\ configfs\n"
+"modprobe\\ null_blk\\ nr_devices=0\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"cd\\ /sys/kernel/config/nullb/\n"
+"mkdir\\ mydev\n"
+"cd\\ mydev\n"
+"echo\\ 2048\\ E<gt>\\ size\n"
+"echo\\ 1\\ E<gt>\\ zoned\n"
+"echo\\ 1\\ E<gt>\\ memory_backed\n"
+"echo\\ 256\\ E<gt>\\ zone_size\n"
+"echo\\ 1\\ E<gt>\\ power\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid "rmdir\\ /sys/kernel/config/nullb/mydev\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"nullb setup\n"
+"nullb create -s 2g -z 256\n"
+"mkfs.btrfs /dev/nullb0\n"
+"\\&...\n"
+"nullb rm nullb0\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"$ ls -l /dev/btrfs-control\n"
+"crw------- 1 root root 10, 234 Jan  1 12:00 /dev/btrfs-control\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid "# mknod --mode=600 /dev/btrfs-control c 10 234\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid "# btrfs rescue create-control-device\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"WARNING: Multiple block group profiles detected, see \\(aqman btrfs(5)\\(aq.\n"
+"WARNING:   Data: single, raid1\n"
+"WARNING:   Metadata: single, raid1\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"WARNING: Multiple block group profiles detected, see \\(aqman btrfs(5)\\(aq.\n"
+"WARNING:   Data: single, raid1\n"
+"WARNING:   Metadata: single, raid1\n"
+"Data, RAID1: total=832.00MiB, used=0.00B\n"
+"Data, single: total=1.63GiB, used=0.00B\n"
+"System, single: total=4.00MiB, used=16.00KiB\n"
+"Metadata, single: total=8.00MiB, used=112.00KiB\n"
+"Metadata, RAID1: total=64.00MiB, used=32.00KiB\n"
+"GlobalReserve, single: total=16.25MiB, used=0.00B\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid "Multiple profiles:                 yes (data, metadata)\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# mkfs.btrfs /dev/sda\n"
+"# mount /dev/sda /mnt/mnt1\n"
+"\\&... fill mnt1 with data\n"
+"# umount /mnt/mnt1\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# mount /dev/sda /mnt/mnt1\n"
+"# btrfs device add /dev/sdb /mnt/mnt1\n"
+"# umount /mnt/mnt1\n"
+"# mount /dev/sdb /mnt/mnt1\n"
+"\\&... /mnt/mnt1 is now writable\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# mount /dev/sda /mnt/mnt2\n"
+"# btrfs device add /dev/sdc /mnt/mnt2\n"
+"# umount /mnt/mnt2\n"
+"# mount /dev/sdc /mnt/mnt2\n"
+"\\&... /mnt/mnt2 is now writable\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid "# btrfs device delete /dev/sda /mnt/mnt1\n"
+msgstr ""
+
+#. type: Plain text
+#: debian-unstable
+#, no-wrap
+msgid ""
+"# mount /dev/sdb /mnt/mnt1\n"
+"# btrfs device add /dev/sdc /mnt\n"
+"# mount -o remount,rw /mnt/mnt1\n"
+"\\&... /mnt/mnt1 is now writable\n"
+"# umount /mnt/mnt1\n"
+msgstr ""
+
+#. type: TH
+#: mageia-cauldron
+#, no-wrap
+msgid "Jan 09, 2024"
+msgstr ""
+
+#. type: TH
+#: opensuse-leap-15-6
+#, no-wrap
+msgid "Sep 13, 2023"
+msgstr ""
+
+#. type: TH
+#: opensuse-leap-15-6
+#, no-wrap
+msgid "6.5.1"
+msgstr ""