[PATCH 6/6] target: use bio_integrity_intervals() helper

[Caleb Sander Mateos]

Use bio_integrity_intervals() to convert bio->bi_iter.bi_sector to
integrity intervals to reduce code duplication. Make the same change in
the nvmet code that appears to have been copied from the target code.

Signed-off-by: Caleb Sander Mateos <csander@xxxxxxxxxxxxxxx>
---
 drivers/nvme/target/io-cmd-bdev.c   | 3 +--
 drivers/target/target_core_iblock.c | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index f2d9e8901df4..dcf273360015 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -218,12 +218,11 @@ static int nvmet_bdev_alloc_bip(struct nvmet_req *req, struct bio *bio,
 		pr_err("Unable to allocate bio_integrity_payload\n");
 		return PTR_ERR(bip);
 	}
 
 	/* virtual start sector must be in integrity interval units */
-	bip_set_seed(bip, bio->bi_iter.bi_sector >>
-		     (bi->interval_exp - SECTOR_SHIFT));
+	bip_set_seed(bip, bio_integrity_intervals(bi, bio->bi_iter.bi_sector));
 
 	resid = bio_integrity_bytes(bi, bio_sectors(bio));
 	while (resid > 0 && sg_miter_next(miter)) {
 		len = min_t(size_t, miter->length, resid);
 		rc = bio_integrity_add_page(bio, miter->page, len,
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 1087d1d17c36..434ef2b0b120 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -706,12 +706,11 @@ iblock_alloc_bip(struct se_cmd *cmd, struct bio *bio,
 		pr_err("Unable to allocate bio_integrity_payload\n");
 		return PTR_ERR(bip);
 	}
 
 	/* virtual start sector must be in integrity interval units */
-	bip_set_seed(bip, bio->bi_iter.bi_sector >>
-				  (bi->interval_exp - SECTOR_SHIFT));
+	bip_set_seed(bip, bio_integrity_intervals(bi, bio->bi_iter.bi_sector));
 
 	pr_debug("IBLOCK BIP Size: %u Sector: %llu\n", bip->bip_iter.bi_size,
 		 (unsigned long long)bip->bip_iter.bi_sector);
 
 	resid = bio_integrity_bytes(bi, bio_sectors(bio));
-- 
2.45.2