bip_buf is not really needed so we can remove it.
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Sagi Grimberg <sagig@xxxxxxxxxxxx>
---
block/bio-integrity.c | 10 ++++++----
include/linux/bio.h | 3 ---
2 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 2c4bbc0aaa93..cea93a9553d6 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -99,7 +99,8 @@ void bio_integrity_free(struct bio *bio)
struct bio_set *bs = bio->bi_pool;
if (bip->bip_owns_buf)
- kfree(bip->bip_buf);
+ kfree(page_address(bip->bip_vec->bv_page) +
+ bip->bip_vec->bv_offset);
if (bs) {
if (bip->bip_slab != BIO_POOL_NONE)
@@ -225,14 +226,16 @@ static int bio_integrity_generate_verify(struct bio *bio, int operate)
struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
struct blk_integrity_exchg bix;
struct bio_vec *bv;
+ struct bio_integrity_payload *bip = bio_integrity(bio);
sector_t sector;
unsigned int sectors, ret = 0, i;
- void *prot_buf = bio_integrity(bio)->bip_buf;
+ void *prot_buf = page_address(bip->bip_vec->bv_page) +
+ bip->bip_vec->bv_offset;
if (operate)
sector = bio->bi_iter.bi_sector;
else
- sector = bio_integrity(bio)->bip_iter.bi_sector;
+ sector = bip->bip_iter.bi_sector;
bix.disk_name = bio->bi_bdev->bd_disk->disk_name;
bix.sector_size = bi->sector_size;
@@ -327,7 +330,6 @@ int bio_integrity_prep(struct bio *bio)
}
bip->bip_owns_buf = 1;
- bip->bip_buf = buf;
bip->bip_iter.bi_size = len;
bip->bip_iter.bi_sector = bio->bi_iter.bi_sector;
diff --git a/include/linux/bio.h b/include/linux/bio.h
index f8b09d7020ef..38bcec55c4c6 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -310,9 +310,6 @@ struct bio_integrity_payload {
struct bvec_iter bip_iter;
- /* kill - should just use bip_vec */
- void *bip_buf; /* generated integrity data */
-
bio_end_io_t *bip_end_io; /* saved I/O completion fn */
unsigned short bip_slab; /* slab the bip came from */
--
1.9.3
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