diff options
| author | Max Gurtovoy <maxg@mellanox.com> | 2019-09-16 18:44:29 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-09-17 20:03:49 -0600 |
| commit | 54d4e6ab91eb24b47a58403d8561206e916f0242 (patch) | |
| tree | 3bd64c92b614284071d893012abcf01bfc55cabc /include/linux/t10-pi.h | |
| parent | 5eaed68dd38c14907be2ce5a45c73a5f2acb75f4 (diff) | |
block: centralize PI remapping logic to the block layer
Currently t10_pi_prepare/t10_pi_complete functions are called during the
NVMe and SCSi layers command preparetion/completion, but their actual
place should be the block layer since T10-PI is a general data integrity
feature that is used by block storage protocols. Introduce .prepare_fn
and .complete_fn callbacks within the integrity profile that each type
can implement according to its needs.
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Suggested-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Fixed to not call queue integrity functions if BLK_DEV_INTEGRITY
isn't defined in the config.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/t10-pi.h')
| -rw-r--r-- | include/linux/t10-pi.h | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/include/linux/t10-pi.h b/include/linux/t10-pi.h index 3e2a80cc7b56..96305a64a5a7 100644 --- a/include/linux/t10-pi.h +++ b/include/linux/t10-pi.h @@ -53,18 +53,4 @@ extern const struct blk_integrity_profile t10_pi_type1_ip; extern const struct blk_integrity_profile t10_pi_type3_crc; extern const struct blk_integrity_profile t10_pi_type3_ip; -#ifdef CONFIG_BLK_DEV_INTEGRITY -extern void t10_pi_prepare(struct request *rq, u8 protection_type); -extern void t10_pi_complete(struct request *rq, u8 protection_type, - unsigned int intervals); -#else -static inline void t10_pi_complete(struct request *rq, u8 protection_type, - unsigned int intervals) -{ -} -static inline void t10_pi_prepare(struct request *rq, u8 protection_type) -{ -} -#endif - #endif |