* [PATCH] Documentation: atomic_open called with shared lock on non-O_CREAT open
@ 2019-10-30 10:46 Jeff Layton
2019-11-07 20:03 ` Jonathan Corbet
0 siblings, 1 reply; 2+ messages in thread
From: Jeff Layton @ 2019-10-30 10:46 UTC (permalink / raw)
To: corbet; +Cc: viro, linux-fsdevel, linux-doc
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
============ =============================================
--
2.21.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] Documentation: atomic_open called with shared lock on non-O_CREAT open
2019-10-30 10:46 [PATCH] Documentation: atomic_open called with shared lock on non-O_CREAT open Jeff Layton
@ 2019-11-07 20:03 ` Jonathan Corbet
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Corbet @ 2019-11-07 20:03 UTC (permalink / raw)
To: Jeff Layton; +Cc: viro, linux-fsdevel, linux-doc
On Wed, 30 Oct 2019 06:46:54 -0400
Jeff Layton <jlayton@kernel.org> wrote:
> 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
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2019-10-30 10:46 [PATCH] Documentation: atomic_open called with shared lock on non-O_CREAT open Jeff Layton
2019-11-07 20:03 ` Jonathan Corbet
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