On Wed 24-05-17 11:41:46, Goldwyn Rodrigues wrote:
> From: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
>
> IOCB_NOWAIT translates to IOMAP_NOWAIT for iomaps.
> This is used by XFS in the XFS patch.
>
> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Looks good. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> fs/iomap.c | 2 ++
> include/linux/iomap.h | 1 +
> 2 files changed, 3 insertions(+)
>
> diff --git a/fs/iomap.c b/fs/iomap.c
> index 4b10892967a5..5d85ec6e7b20 100644
> --- a/fs/iomap.c
> +++ b/fs/iomap.c
> @@ -879,6 +879,8 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
> } else {
> dio->flags |= IOMAP_DIO_WRITE;
> flags |= IOMAP_WRITE;
> + if (iocb->ki_flags & IOCB_NOWAIT)
> + flags |= IOMAP_NOWAIT;
> }
>
> ret = filemap_write_and_wait_range(mapping, start, end);
> diff --git a/include/linux/iomap.h b/include/linux/iomap.h
> index f753e788da31..69f4e9470084 100644
> --- a/include/linux/iomap.h
> +++ b/include/linux/iomap.h
> @@ -52,6 +52,7 @@ struct iomap {
> #define IOMAP_REPORT (1 << 2) /* report extent status, e.g. FIEMAP */
> #define IOMAP_FAULT (1 << 3) /* mapping for page fault */
> #define IOMAP_DIRECT (1 << 4) /* direct I/O */
> +#define IOMAP_NOWAIT (1 << 5) /* Don't wait for writeback */
>
> struct iomap_ops {
> /*
> --
> 2.12.0
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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