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block: Add gfp_mask parameter to bio_integrity_clone()

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Stricter gfp_mask might be required for clone allocation.
For example, request-based dm may clone bio in interrupt context
so it has to use GFP_ATOMIC.

Signed-off-by: Kiyoshi Ueda <[email protected]>
Signed-off-by: Jun'ichi Nomura <[email protected]>
Acked-by: Martin K. Petersen <[email protected]>
Cc: Alasdair G Kergon <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
un'ichi Nomura 2009-03-09 10:40:52 +01:00 • committed by Jens Axboe
commit 87092698c6
3 changed files with 6 additions and 5 deletions
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4
include/linux/bio.h
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@ -531,7 +531,7 @@ extern void bio_integrity_endio(struct bio *, int);
extern void bio_integrity_advance(struct bio *, unsigned int);
extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int);
extern void bio_integrity_split(struct bio *, struct bio_pair *, int);
extern int bio_integrity_clone(struct bio *, struct bio *, struct bio_set *);
extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t, struct bio_set *);
extern int bioset_integrity_create(struct bio_set *, int);
extern void bioset_integrity_free(struct bio_set *);
extern void bio_integrity_init_slab(void);
@ -542,7 +542,7 @@ extern void bio_integrity_init_slab(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) (0)
#define bio_integrity_clone(a, b, c,d ) (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)