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blk-integrity: use simpler alignment check

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We're checking length and addresses against the same alignment value, so
use the more simple iterator check.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Keith Busch
2025-08-27 07:12:57 -07:00
committed by Jens Axboe
parent 9eab1d4e0d
commit 69d7ed5b9e
1 changed files with 2 additions and 2 deletions
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4
block/bio-integrity.c
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@@ -262,7 +262,6 @@ static unsigned int bvec_from_pages(struct bio_vec *bvec, struct page **pages,
int bio_integrity_map_user(struct bio *bio, struct iov_iter *iter)
{
struct request_queue *q = bdev_get_queue(bio->bi_bdev);
unsigned int align = blk_lim_dma_alignment_and_pad(&q->limits);
struct page *stack_pages[UIO_FASTIOV], **pages = stack_pages;
struct bio_vec stack_vec[UIO_FASTIOV], *bvec = stack_vec;
size_t offset, bytes = iter->count;
@@ -285,7 +284,8 @@ int bio_integrity_map_user(struct bio *bio, struct iov_iter *iter)
pages = NULL;
}
copy = !iov_iter_is_aligned(iter, align, align);
copy = iov_iter_alignment(iter) &
blk_lim_dma_alignment_and_pad(&q->limits);
ret = iov_iter_extract_pages(iter, &pages, bytes, nr_vecs, 0, &offset);
if (unlikely(ret < 0))
goto free_bvec;