From: Jeff Layton <jlayton@kernel.org>
Date: Wed, 30 Oct 2019 10:46:54 +0000 (-0400)
Subject: Documentation: atomic_open called with shared lock on non-O_CREAT open
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ff467342d3090350b3b5aa6885d6a55fbb1d0c35;p=linux.git

Documentation: atomic_open called with shared lock on non-O_CREAT open

The exclusive lock is only held when O_CREAT is set.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---

diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst
index fc3a0704553cf..5057e4d9dcd1d 100644
--- a/Documentation/filesystems/locking.rst
+++ b/Documentation/filesystems/locking.rst
@@ -105,7 +105,7 @@ getattr:	no
 listxattr:	no
 fiemap:		no
 update_time:	no
-atomic_open:	exclusive
+atomic_open:	shared (exclusive if O_CREAT is set in open flags)
 tmpfile:	no
 ============	=============================================