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fs: Introduce IOMAP_NOWAIT

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IOCB_NOWAIT translates to IOMAP_NOWAIT for iomaps.
This is used by XFS in the XFS patch.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Goldwyn Rodrigues
2017-06-20 07:05:45 -05:00
committed by Jens Axboe
parent 6be96d3ad3
commit a38d124370
2 changed files with 9 additions and 0 deletions
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include/linux/iomap.h
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@@ -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 {
/*