diff options
Diffstat (limited to 'upstream/fedora-rawhide/man8/btrfs-filesystem.8')
| -rw-r--r-- | upstream/fedora-rawhide/man8/btrfs-filesystem.8 | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/upstream/fedora-rawhide/man8/btrfs-filesystem.8 b/upstream/fedora-rawhide/man8/btrfs-filesystem.8 index f73467d9..dcf12d42 100644 --- a/upstream/fedora-rawhide/man8/btrfs-filesystem.8 +++ b/upstream/fedora-rawhide/man8/btrfs-filesystem.8 @@ -27,7 +27,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]] .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]] .in \\n[rst2man-indent\\n[rst2man-indent-level]]u .. -.TH "BTRFS-FILESYSTEM" "8" "Feb 14, 2024" "6.7.1" "BTRFS" +.TH "BTRFS-FILESYSTEM" "8" "Mar 26, 2024" "6.8.1" "BTRFS" .SH NAME btrfs-filesystem \- command group that primarily does work on the whole filesystems .SH SYNOPSIS @@ -292,7 +292,7 @@ Subvolume containing a swapfile cannot be snapshotted and blocks of an activated swapfile cannot be balanced. .sp Swapfile creation can be achieved by standalone commands too. Activation -needs to be done by command \fBswapon(8)\fP\&. See also command +needs to be done by command \fI\%swapon(8)\fP\&. See also command \fBbtrfs inspect\-internal map\-swapfile\fP and the \fI\%Swapfile feature\fP description. .sp @@ -346,12 +346,21 @@ device respecting \fIdevid\fP (remember, devid 1 by default). .sp The resize command does not manipulate the size of underlying partition. If you wish to enlarge/reduce a filesystem, you must make sure you -can expand the partition before enlarging the filesystem and shrink the -partition after reducing the size of the filesystem. This can done using -\fBfdisk(8)\fP or \fBparted(8)\fP to delete the existing partition and recreate +expand the partition before enlarging the filesystem and shrink the +partition after reducing the size of the filesystem. This can be done using +\fI\%fdisk(8)\fP or \fI\%parted(8)\fP to delete the existing partition and recreate it with the new desired size. When recreating the partition make sure to use the same starting partition offset as before. .sp +The size of the portion that the filesystem uses of an underlying device can be +determined via the \fBbtrfs filesystem show \-\-raw\fP command on the +filesystem’s mount point (where it’s given for each \fIdevid\fP after the string +\fIsize\fP or via the \fBbtrfs inspect\-internal dump\-super\fP command on the +specific device (where it’s given as the value of \fIdev_item.total_bytes\fP, which +is not to be confused with \fItotal_bytes\fP). +The value is also the address of the first byte not used by the +filesystem. +.sp Growing is usually instant as it only updates the size. However, shrinking could take a long time if there are data in the device area that\(aqs beyond the new end. Relocation of the data takes time. @@ -411,7 +420,7 @@ show sizes in TiB, or TB with \-\-si .UNINDENT .TP .B sync <path> -Force a sync of the filesystem at \fIpath\fP, similar to the \fBsync(1)\fP command. In +Force a sync of the filesystem at \fIpath\fP, similar to the \fI\%sync(1)\fP command. In addition, it starts cleaning of deleted subvolumes. To wait for the subvolume deletion to complete use the \fBbtrfs subvolume sync\fP command. .TP |