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include/linux/bio.h: use a static inline function for bio_integrity_clone()

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When CONFIG_BLK_DEV_INTEGRITY is not set, we get these warnings:

drivers/md/dm.c: In function 'split_bvec':
drivers/md/dm.c:1061:3: warning: statement with no effect
drivers/md/dm.c: In function 'clone_bio':
drivers/md/dm.c:1088:3: warning: statement with no effect

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Stephen Rothwell 2011-11-16 09:21:48 +01:00 committed by Jens Axboe
parent 3bb9068278
commit 0c614e2d3e
1 changed files with 5 additions and 1 deletions
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6
include/linux/bio.h
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@ -519,7 +519,11 @@ extern void bio_integrity_init(void);
#define bioset_integrity_create(a, b) (0)
#define bio_integrity_prep(a) (0)
#define bio_integrity_enabled(a) (0)
#define bio_integrity_clone(a, b, c, d) (0)
static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
gfp_t gfp_mask, struct bio_set *bs)
{
return 0;
}
#define bioset_integrity_free(a) do { } while (0)
#define bio_integrity_free(a, b) do { } while (0)
#define bio_integrity_endio(a, b) do { } while (0)