Re: [Patch v9 04/10] fs: Add initial atomic write support info to statx

[Hannes Reinecke]

On 6/20/24 14:53, John Garry wrote:
> From: Prasad Singamsetty <prasad.singamsetty@xxxxxxxxxx>
>
> Extend statx system call to return additional info for atomic write support
> support for a file.
>
> Helper function generic_fill_statx_atomic_writes() can be used by FSes to
> fill in the relevant statx fields. For now atomic_write_segments_max will
> always be 1, otherwise some rules would need to be imposed on iovec length
> and alignment, which we don't want now.
>
> Signed-off-by: Prasad Singamsetty <prasad.singamsetty@xxxxxxxxxx>
> jpg: relocate bdev support to another patch
> Reviewed-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
> Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx>
> ---
>   fs/stat.c                 | 34 ++++++++++++++++++++++++++++++++++
>   include/linux/fs.h        |  3 +++
>   include/linux/stat.h      |  3 +++
>   include/uapi/linux/stat.h | 12 ++++++++++--
>   4 files changed, 50 insertions(+), 2 deletions(-)
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@xxxxxxx                                +49 911 74053 688
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