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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:30 +0000
commit01db417e0aee3e51df4f5f3775535fd1fb15e329 (patch)
tree12d419efb27541c39ef63831e0d899339ecfef4f /Documentation/filesystems/locking.rst
parentAdding debian version 5.10.209-2. (diff)
downloadlinux-01db417e0aee3e51df4f5f3775535fd1fb15e329.tar.xz
linux-01db417e0aee3e51df4f5f3775535fd1fb15e329.zip
Merging upstream version 5.10.216.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/filesystems/locking.rst')
-rw-r--r--Documentation/filesystems/locking.rst5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst
index c0f2c7586..fbd695d66 100644
--- a/Documentation/filesystems/locking.rst
+++ b/Documentation/filesystems/locking.rst
@@ -95,7 +95,7 @@ symlink: exclusive
mkdir: exclusive
unlink: exclusive (both)
rmdir: exclusive (both)(see below)
-rename: exclusive (all) (see below)
+rename: exclusive (both parents, some children) (see below)
readlink: no
get_link: no
setattr: exclusive
@@ -113,6 +113,9 @@ tmpfile: no
Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_rwsem
exclusive on victim.
cross-directory ->rename() has (per-superblock) ->s_vfs_rename_sem.
+ ->unlink() and ->rename() have ->i_rwsem exclusive on all non-directories
+ involved.
+ ->rename() has ->i_rwsem exclusive on any subdirectory that changes parent.
See Documentation/filesystems/directory-locking.rst for more detailed discussion
of the locking scheme for directory operations.