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-rw-r--r--include/linux/bio.h22
1 files changed, 16 insertions, 6 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 2a04eb54c0dd..2892b710771c 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -319,7 +319,6 @@ static inline int bio_has_allocated_vec(struct bio *bio)
319 */ 319 */
320struct bio_integrity_payload { 320struct bio_integrity_payload {
321 struct bio *bip_bio; /* parent bio */ 321 struct bio *bip_bio; /* parent bio */
322 struct bio_vec *bip_vec; /* integrity data vector */
323 322
324 sector_t bip_sector; /* virtual start sector */ 323 sector_t bip_sector; /* virtual start sector */
325 324
@@ -328,11 +327,12 @@ struct bio_integrity_payload {
328 327
329 unsigned int bip_size; 328 unsigned int bip_size;
330 329
331 unsigned short bip_pool; /* pool the ivec came from */ 330 unsigned short bip_slab; /* slab the bip came from */
332 unsigned short bip_vcnt; /* # of integrity bio_vecs */ 331 unsigned short bip_vcnt; /* # of integrity bio_vecs */
333 unsigned short bip_idx; /* current bip_vec index */ 332 unsigned short bip_idx; /* current bip_vec index */
334 333
335 struct work_struct bip_work; /* I/O completion */ 334 struct work_struct bip_work; /* I/O completion */
335 struct bio_vec bip_vec[0]; /* embedded bvec array */
336}; 336};
337#endif /* CONFIG_BLK_DEV_INTEGRITY */ 337#endif /* CONFIG_BLK_DEV_INTEGRITY */
338 338
@@ -430,6 +430,9 @@ struct bio_set {
430 unsigned int front_pad; 430 unsigned int front_pad;
431 431
432 mempool_t *bio_pool; 432 mempool_t *bio_pool;
433#if defined(CONFIG_BLK_DEV_INTEGRITY)
434 mempool_t *bio_integrity_pool;
435#endif
433 mempool_t *bvec_pool; 436 mempool_t *bvec_pool;
434}; 437};
435 438
@@ -634,8 +637,9 @@ static inline struct bio *bio_list_get(struct bio_list *bl)
634 637
635#define bio_integrity(bio) (bio->bi_integrity != NULL) 638#define bio_integrity(bio) (bio->bi_integrity != NULL)
636 639
640extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *);
637extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int); 641extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int);
638extern void bio_integrity_free(struct bio *); 642extern void bio_integrity_free(struct bio *, struct bio_set *);
639extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int); 643extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int);
640extern int bio_integrity_enabled(struct bio *bio); 644extern int bio_integrity_enabled(struct bio *bio);
641extern int bio_integrity_set_tag(struct bio *, void *, unsigned int); 645extern int bio_integrity_set_tag(struct bio *, void *, unsigned int);
@@ -645,21 +649,27 @@ extern void bio_integrity_endio(struct bio *, int);
645extern void bio_integrity_advance(struct bio *, unsigned int); 649extern void bio_integrity_advance(struct bio *, unsigned int);
646extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int); 650extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int);
647extern void bio_integrity_split(struct bio *, struct bio_pair *, int); 651extern void bio_integrity_split(struct bio *, struct bio_pair *, int);
648extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t); 652extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t, struct bio_set *);
653extern int bioset_integrity_create(struct bio_set *, int);
654extern void bioset_integrity_free(struct bio_set *);
655extern void bio_integrity_init(void);
649 656
650#else /* CONFIG_BLK_DEV_INTEGRITY */ 657#else /* CONFIG_BLK_DEV_INTEGRITY */
651 658
652#define bio_integrity(a) (0) 659#define bio_integrity(a) (0)
660#define bioset_integrity_create(a, b) (0)
653#define bio_integrity_prep(a) (0) 661#define bio_integrity_prep(a) (0)
654#define bio_integrity_enabled(a) (0) 662#define bio_integrity_enabled(a) (0)
655#define bio_integrity_clone(a, b, c) (0) 663#define bio_integrity_clone(a, b, c, d) (0)
656#define bio_integrity_free(a) do { } while (0) 664#define bioset_integrity_free(a) do { } while (0)
665#define bio_integrity_free(a, b) do { } while (0)
657#define bio_integrity_endio(a, b) do { } while (0) 666#define bio_integrity_endio(a, b) do { } while (0)
658#define bio_integrity_advance(a, b) do { } while (0) 667#define bio_integrity_advance(a, b) do { } while (0)
659#define bio_integrity_trim(a, b, c) do { } while (0) 668#define bio_integrity_trim(a, b, c) do { } while (0)
660#define bio_integrity_split(a, b, c) do { } while (0) 669#define bio_integrity_split(a, b, c) do { } while (0)
661#define bio_integrity_set_tag(a, b, c) do { } while (0) 670#define bio_integrity_set_tag(a, b, c) do { } while (0)
662#define bio_integrity_get_tag(a, b, c) do { } while (0) 671#define bio_integrity_get_tag(a, b, c) do { } while (0)
672#define bio_integrity_init(a) do { } while (0)
663 673
664#endif /* CONFIG_BLK_DEV_INTEGRITY */ 674#endif /* CONFIG_BLK_DEV_INTEGRITY */
665 675