On Fri 14-04-17 07:02:53, 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.
Goldwyn, the patch is missing your Signed-off-by...
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 141c3cd55a8b..d1c81753d411 100644
> --- a/fs/iomap.c
> +++ b/fs/iomap.c
> @@ -885,6 +885,8 @@ 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;
> }
>
> if (mapping->nrpages) {
> diff --git a/include/linux/iomap.h b/include/linux/iomap.h
> index 7291810067eb..53f6af89c625 100644
> --- a/include/linux/iomap.h
> +++ b/include/linux/iomap.h
> @@ -51,6 +51,7 @@ 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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