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authorChristoph Hellwig <hch@lst.de>2026-02-23 05:20:02 -0800
committerJens Axboe <axboe@kernel.dk>2026-03-09 07:47:02 -0600
commita936655697cd8d1bab2fd5189e2c33dd6356a266 (patch)
tree9191bdfc6495893544b07ec3fecf91c2ad73b1f3 /block/bio-integrity.c
parent7ea25eaad5ae3a6c837a3df9bdb822194f002565 (diff)
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>
Diffstat (limited to 'block/bio-integrity.c')
-rw-r--r--block/bio-integrity.c16
1 files changed, 16 insertions, 0 deletions
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