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| author | Goldwyn Rodrigues <rgoldwyn@suse.com> | 2017-06-20 14:05:45 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-06-20 15:12:03 +0200 |
| commit | a38d1243704f501a4c42de1db1062ff6eba83453 (patch) | |
| tree | a5dfc333eccc3ecb99b4bf5de17436215121c835 /include | |
| parent | fs: return if direct I/O will trigger writeback (diff) | |
| download | linux-a38d1243704f501a4c42de1db1062ff6eba83453.tar.xz linux-a38d1243704f501a4c42de1db1062ff6eba83453.zip | |
fs: Introduce IOMAP_NOWAIT
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>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/iomap.h | 1 |
1 files changed, 1 insertions, 0 deletions
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 { /* |