block: set bip_vcnt correctly

Set the bip_vcnt correctly in bio_integrity_init_user and
bio_integrity_copy_user. If the bio gets split at a later point,
this value is required to set the right bip_vcnt in the cloned bio.

Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240626100700.3629-3-anuj20.g@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: Anuj Gupta

block/bio-integrity.c

@@ -254,6 +254,7 @@ static int bio_integrity_copy_user(struct bio *bio, struct bio_vec *bvec,
 
 	bip->bip_flags |= BIP_INTEGRITY_USER | BIP_COPY_USER;
 	bip->bip_iter.bi_sector = seed;
+	bip->bip_vcnt = nr_vecs;
 	return 0;
 free_bip:
 	bio_integrity_free(bio);
@@ -275,6 +276,7 @@ static int bio_integrity_init_user(struct bio *bio, struct bio_vec *bvec,
 	bip->bip_flags |= BIP_INTEGRITY_USER;
 	bip->bip_iter.bi_sector = seed;
 	bip->bip_iter.bi_size = len;
+	bip->bip_vcnt = nr_vecs;
 	return 0;
 }