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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2014-09-27 01:20:01 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-09-27 17:14:51 +0200 |
| commit | 1859308853b19c4daf4afaab910d3d52ac1ec2ff (patch) | |
| tree | 3b5a3ffcb96d88320cb609883f436b33b094ac58 /include | |
| parent | block: Make protection interval calculation generic (diff) | |
| download | linux-1859308853b19c4daf4afaab910d3d52ac1ec2ff.tar.xz linux-1859308853b19c4daf4afaab910d3d52ac1ec2ff.zip | |
block: Clean up the code used to generate and verify integrity metadata
Instead of the "operate" parameter we pass in a seed value and a pointer
to a function that can be used to process the integrity metadata. The
generation function is changed to have a return value to fit into this
scheme.
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bio.h | 12 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 9 |
2 files changed, 16 insertions, 5 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 448d8c052cb7..3fd36660fd10 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -322,6 +322,18 @@ struct bio_integrity_payload { struct bio_vec *bip_vec; struct bio_vec bip_inline_vecs[0];/* embedded bvec array */ }; + +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); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d364c42dbf17..24c1e055b8a7 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1461,7 +1461,7 @@ static inline uint64_t rq_io_start_time_ns(struct request *req) #define INTEGRITY_FLAG_READ 2 /* verify data integrity on read */ #define INTEGRITY_FLAG_WRITE 4 /* generate data integrity on write */ -struct blk_integrity_exchg { +struct blk_integrity_iter { void *prot_buf; void *data_buf; sector_t seed; @@ -1470,12 +1470,11 @@ struct blk_integrity_exchg { const char *disk_name; }; -typedef void (integrity_gen_fn) (struct blk_integrity_exchg *); -typedef int (integrity_vrfy_fn) (struct blk_integrity_exchg *); +typedef int (integrity_processing_fn) (struct blk_integrity_iter *); struct blk_integrity { - integrity_gen_fn *generate_fn; - integrity_vrfy_fn *verify_fn; + integrity_processing_fn *generate_fn; + integrity_processing_fn *verify_fn; unsigned short flags; unsigned short tuple_size; |