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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-20 14:29:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-20 14:29:37 +0200 |
| commit | 642073c306e66daca108cb630d169129e50a6ba3 (patch) | |
| tree | fe2edb842a30b67d369e5934602560aa3719b02e /Documentation/filesystems/locking.rst | |
| parent | e67d7f60d2382677c25de10b2e4d8d3717ace91f (diff) | |
| parent | b320441c04c9bea76cbee1196ae55c20288fd7a6 (diff) | |
| download | lwn-642073c306e66daca108cb630d169129e50a6ba3.tar.gz lwn-642073c306e66daca108cb630d169129e50a6ba3.zip | |
Merge commit b320441c04c9 ("Merge tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next
We need the serial-core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/filesystems/locking.rst')
| -rw-r--r-- | Documentation/filesystems/locking.rst | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst index ed148919e11a..0ca479dbb1cd 100644 --- a/Documentation/filesystems/locking.rst +++ b/Documentation/filesystems/locking.rst @@ -551,9 +551,8 @@ mutex or just to use i_size_read() instead. Note: this does not protect the file->f_pos against concurrent modifications since this is something the userspace has to take care about. -->iterate() is called with i_rwsem exclusive. - -->iterate_shared() is called with i_rwsem at least shared. +->iterate_shared() is called with i_rwsem held for reading, and with the +file f_pos_lock held exclusively ->fasync() is responsible for maintaining the FASYNC bit in filp->f_flags. Most instances call fasync_helper(), which does that maintenance, so it's |