diff options
author | Jan Kara <jack@suse.cz> | 2016-11-10 10:26:50 +1100 |
---|---|---|
committer | Dave Chinner <david@fromorbit.com> | 2016-11-10 10:26:50 +1100 |
commit | 9484ab1bf4464faae695321dd4fa66365beda74e (patch) | |
tree | f9fabeb09ceccf608881a9a72d0601b88cc4732b /include/linux | |
parent | 190b5caad750942c0791889b809ce04b1eede43d (diff) |
dax: Introduce IOMAP_FAULT flag
Introduce a flag telling iomap operations whether they are handling a
fault or other IO. That may influence behavior wrt inode size and
similar things.
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'include/linux')
-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 e63e288dee83..b9e7b8ec8c1d 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -44,6 +44,7 @@ struct iomap { */ #define IOMAP_WRITE (1 << 0) #define IOMAP_ZERO (1 << 1) +#define IOMAP_FAULT (1 << 3) /* mapping for page fault */ struct iomap_ops { /* |