Re: [PATCH 4/8] nowait-aio: Introduce IOMAP_NOWAIT
From: Jan Kara <jack@suse.cz>
Date: 2017-04-19 07:12:26
Also in:
linux-api, linux-btrfs, linux-ext4, linux-fsdevel, linux-xfs
On Fri 14-04-17 07:02:53, Goldwyn Rodrigues wrote:
From: Goldwyn Rodrigues <redacted> 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
quoted hunk ↗ jump to hunk
--- 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 [off-list ref] SUSE Labs, CR