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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 17:45:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 17:45:29 +0000 |
| commit | 83506c85f8d4332b3edfdc8f1fd07aa691415350 (patch) | |
| tree | 316b9630e093bb3b80e5d6e1c304151b5597901e /Documentation/filesystems/locking.rst | |
| parent | Adding upstream version 5.10.209. (diff) | |
| download | linux-upstream/5.10.216.tar.xz linux-upstream/5.10.216.zip | |
Adding upstream version 5.10.216.upstream/5.10.216
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/filesystems/locking.rst | 5 |
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. |