summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2026-02-23 16:20:02 +0300
committerJens Axboe <axboe@kernel.dk>2026-03-09 16:47:02 +0300
commita936655697cd8d1bab2fd5189e2c33dd6356a266 (patch)
tree9191bdfc6495893544b07ec3fecf91c2ad73b1f3
parent7ea25eaad5ae3a6c837a3df9bdb822194f002565 (diff)
downloadlinux-a936655697cd8d1bab2fd5189e2c33dd6356a266.tar.xz
block: factor out a bio_integrity_setup_default helper
Add a helper to set the seed and check flag based on useful defaults from the profile. Note that this includes a small behavior change, as we now only set the seed if any action is set, which is fine as nothing will look at it otherwise. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Anuj Gupta <anuj20.g@samsung.com> Reviewed-by: Kanchan Joshi <joshi.k@samsung.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Tested-by: Anuj Gupta <anuj20.g@samsung.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/bio-integrity-auto.c14
-rw-r--r--block/bio-integrity.c16
-rw-r--r--include/linux/bio-integrity.h1
3 files changed, 19 insertions, 12 deletions
diff --git a/block/bio-integrity-auto.c b/block/bio-integrity-auto.c
index e16f669dbf1e..b64c71a7fc82 100644
--- a/block/bio-integrity-auto.c
+++ b/block/bio-integrity-auto.c
@@ -88,7 +88,6 @@ bool __bio_integrity_endio(struct bio *bio)
*/
void bio_integrity_prep(struct bio *bio, unsigned int action)
{
- struct blk_integrity *bi = blk_get_integrity(bio->bi_bdev->bd_disk);
struct bio_integrity_data *bid;
bid = mempool_alloc(&bid_pool, GFP_NOIO);
@@ -96,17 +95,8 @@ void bio_integrity_prep(struct bio *bio, unsigned int action)
bid->bio = bio;
bid->bip.bip_flags |= BIP_BLOCK_INTEGRITY;
bio_integrity_alloc_buf(bio, action & BI_ACT_ZERO);
-
- bip_set_seed(&bid->bip, bio->bi_iter.bi_sector);
-
- if (action & BI_ACT_CHECK) {
- if (bi->csum_type == BLK_INTEGRITY_CSUM_IP)
- bid->bip.bip_flags |= BIP_IP_CHECKSUM;
- if (bi->csum_type)
- bid->bip.bip_flags |= BIP_CHECK_GUARD;
- if (bi->flags & BLK_INTEGRITY_REF_TAG)
- bid->bip.bip_flags |= BIP_CHECK_REFTAG;
- }
+ if (action & BI_ACT_CHECK)
+ bio_integrity_setup_default(bio);
/* Auto-generate integrity metadata if this is a write */
if (bio_data_dir(bio) == WRITE && bip_should_check(&bid->bip))
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 0955be90038b..e79eaf047794 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -101,6 +101,22 @@ void bio_integrity_free_buf(struct bio_integrity_payload *bip)
kfree(bvec_virt(bv));
}
+void bio_integrity_setup_default(struct bio *bio)
+{
+ struct blk_integrity *bi = blk_get_integrity(bio->bi_bdev->bd_disk);
+ struct bio_integrity_payload *bip = bio_integrity(bio);
+
+ bip_set_seed(bip, bio->bi_iter.bi_sector);
+
+ if (bi->csum_type) {
+ bip->bip_flags |= BIP_CHECK_GUARD;
+ if (bi->csum_type == BLK_INTEGRITY_CSUM_IP)
+ bip->bip_flags |= BIP_IP_CHECKSUM;
+ }
+ if (bi->flags & BLK_INTEGRITY_REF_TAG)
+ bip->bip_flags |= BIP_CHECK_REFTAG;
+}
+
/**
* bio_integrity_free - Free bio integrity payload
* @bio: bio containing bip to be freed
diff --git a/include/linux/bio-integrity.h b/include/linux/bio-integrity.h
index 276cbbdd2c9d..232b86b9bbcb 100644
--- a/include/linux/bio-integrity.h
+++ b/include/linux/bio-integrity.h
@@ -143,5 +143,6 @@ static inline int bio_integrity_add_page(struct bio *bio, struct page *page,
void bio_integrity_alloc_buf(struct bio *bio, bool zero_buffer);
void bio_integrity_free_buf(struct bio_integrity_payload *bip);
+void bio_integrity_setup_default(struct bio *bio);
#endif /* _LINUX_BIO_INTEGRITY_H */