*/
#define bio_get(bio) atomic_inc(&(bio)->bi_cnt)
+enum bip_flags {
+ BIP_BLOCK_INTEGRITY = 1 << 0, /* block layer owns integrity data */
+ BIP_MAPPED_INTEGRITY = 1 << 1, /* ref tag has been remapped */
+ BIP_CTRL_NOCHECK = 1 << 2, /* disable HBA integrity checking */
+ BIP_DISK_NOCHECK = 1 << 3, /* disable disk integrity checking */
+ BIP_IP_CHECKSUM = 1 << 4, /* IP checksum */
+};
+
#if defined(CONFIG_BLK_DEV_INTEGRITY)
static inline struct bio_integrity_payload *bio_integrity(struct bio *bio)
struct bvec_iter bip_iter;
- /* kill - should just use bip_vec */
- void *bip_buf; /* generated integrity data */
-
bio_end_io_t *bip_end_io; /* saved I/O completion fn */
unsigned short bip_slab; /* slab the bip came from */
unsigned short bip_vcnt; /* # of integrity bio_vecs */
unsigned short bip_max_vcnt; /* integrity bio_vec slots */
- unsigned bip_owns_buf:1; /* should free bip_buf */
+ unsigned short bip_flags; /* control flags */
struct work_struct bip_work; /* I/O completion */
struct bio_vec *bip_vec;
struct bio_vec bip_inline_vecs[0];/* embedded bvec array */
};
+
+static inline bool bio_integrity_flagged(struct bio *bio, enum bip_flags flag)
+{
+ struct bio_integrity_payload *bip = bio_integrity(bio);
+
+ if (bip)
+ return bip->bip_flags & flag;
+
+ return false;
+}
+
+static inline sector_t bip_get_seed(struct bio_integrity_payload *bip)
+{
+ return bip->bip_iter.bi_sector;
+}
+
+static inline void bip_set_seed(struct bio_integrity_payload *bip,
+ sector_t seed)
+{
+ bip->bip_iter.bi_sector = seed;
+}
+
#endif /* CONFIG_BLK_DEV_INTEGRITY */
extern void bio_trim(struct bio *bio, int offset, int size);
}
extern struct bio_set *bioset_create(unsigned int, unsigned int);
+extern struct bio_set *bioset_create_nobvec(unsigned int, unsigned int);
extern void bioset_free(struct bio_set *);
extern mempool_t *biovec_create_pool(int pool_entries);
#else /* CONFIG_BLK_DEV_INTEGRITY */
-static inline int bio_integrity(struct bio *bio)
+static inline void *bio_integrity(struct bio *bio)
{
- return 0;
+ return NULL;
}
static inline bool bio_integrity_enabled(struct bio *bio)
return;
}
+static inline bool bio_integrity_flagged(struct bio *bio, enum bip_flags flag)
+{
+ return false;
+}
+
#endif /* CONFIG_BLK_DEV_INTEGRITY */
#endif /* CONFIG_BLOCK */