block: refactor to use helper

Reduce some code by making use of bio_integrity_bytes().

Signed-off-by: Nitesh Shetty <nj.shetty@samsung.com>
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20230719121608.32105-1-nj.shetty@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Nitesh Shetty 2023-07-19 17:46:08 +05:30 committed by Jens Axboe
parent 81ada09cc2
commit 8f63fef586

View File

@ -199,7 +199,6 @@ bool bio_integrity_prep(struct bio *bio)
unsigned long start, end;
unsigned int len, nr_pages;
unsigned int bytes, offset, i;
unsigned int intervals;
blk_status_t status;
if (!bi)
@ -224,10 +223,9 @@ bool bio_integrity_prep(struct bio *bio)
!(bi->flags & BLK_INTEGRITY_GENERATE))
return true;
}
intervals = bio_integrity_intervals(bi, bio_sectors(bio));
/* Allocate kernel buffer for protection data */
len = intervals * bi->tuple_size;
len = bio_integrity_bytes(bi, bio_sectors(bio));
buf = kmalloc(len, GFP_NOIO);
status = BLK_STS_RESOURCE;
if (unlikely(buf == NULL)) {