Re: [PATCH] Documentation: atomic_open called with shared lock on non-O_CREAT open
From: Jonathan Corbet <corbet@lwn.net>
Date: 2019-11-07 20:03:52
Also in:
linux-fsdevel
On Wed, 30 Oct 2019 06:46:54 -0400 Jeff Layton [off-list ref] wrote:
quoted hunk ↗ jump to hunk
The exclusive lock is only held when O_CREAT is set. Signed-off-by: Jeff Layton <jlayton@kernel.org> --- Documentation/filesystems/locking.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst index fc3a0704553c..5057e4d9dcd1 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 ============ =============================================
Applied, thanks. jon