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| author | Greg Edwards <gedwards@ddn.com> | 2018-07-25 10:22:58 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-07-26 15:49:41 -0600 |
| commit | 359f642700f2ff05d9c94cd9216c97af7b8e9553 (patch) | |
| tree | 52569b902b172b73926573d4b41bcc731ecb1715 /block/bio-integrity.c | |
| parent | d3df0ac09654e9db82a882031ccae010f1b7575b (diff) | |
| download | lwn-359f642700f2ff05d9c94cd9216c97af7b8e9553.tar.gz lwn-359f642700f2ff05d9c94cd9216c97af7b8e9553.zip | |
block: move bio_integrity_{intervals,bytes} into blkdev.h
This allows bio_integrity_bytes() to be called from drivers instead of
open coding it.
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Edwards <gedwards@ddn.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bio-integrity.c')
| -rw-r--r-- | block/bio-integrity.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/block/bio-integrity.c b/block/bio-integrity.c index add7c7c85335..67b5fb861a51 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -160,28 +160,6 @@ int bio_integrity_add_page(struct bio *bio, struct page *page, EXPORT_SYMBOL(bio_integrity_add_page); /** - * bio_integrity_intervals - Return number of integrity intervals for a bio - * @bi: blk_integrity profile for device - * @sectors: Size of the bio in 512-byte sectors - * - * Description: The block layer calculates everything in 512 byte - * sectors but integrity metadata is done in terms of the data integrity - * interval size of the storage device. Convert the block layer sectors - * to the appropriate number of integrity intervals. - */ -static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi, - unsigned int sectors) -{ - return sectors >> (bi->interval_exp - 9); -} - -static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi, - unsigned int sectors) -{ - return bio_integrity_intervals(bi, sectors) * bi->tuple_size; -} - -/** * bio_integrity_process - Process integrity metadata for a bio * @bio: bio to generate/verify integrity metadata for * @proc_iter: iterator to process |