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block: Relocate bio integrity flags

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Move flags affecting the integrity code out of the bio bi_flags and into
the block integrity payload.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Martin K. Petersen
2014-09-26 19:20:04 -04:00
committed by Jens Axboe
parent 3aec2f41a8
commit b1f0138857
4 changed files with 14 additions and 9 deletions
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include/linux/bio.h
+8 -1
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@@ -315,7 +315,7 @@ struct bio_integrity_payload {
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 */
@@ -323,6 +323,13 @@ struct bio_integrity_payload {
struct bio_vec bip_inline_vecs[0];/* embedded bvec array */
};
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 */
};
static inline sector_t bip_get_seed(struct bio_integrity_payload *bip)
{
return bip->bip_iter.bi_sector;