Re: [PATCH] Documentation: atomic_open called with shared lock on non-O_CREAT open

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On Wed, 30 Oct 2019 06:46:54 -0400
Jeff Layton <jlayton@xxxxxxxxxx> wrote:

> The exclusive lock is only held when O_CREAT is set.
> 
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> ---
>  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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