Copy back the bounce buffer to user-space in entirety when the parent
bio completes.
Signed-off-by: Anuj Gupta <anuj20.g@xxxxxxxxxxx>
---
block/bio-integrity.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 0b69f2b003c3..d8b810a2b4bf 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -118,9 +118,11 @@ static void bio_integrity_unpin_bvec(struct bio_vec *bv, int nr_vecs,
static void bio_integrity_uncopy_user(struct bio_integrity_payload *bip)
{
+ struct bio *bio = bip->bip_bio;
+ struct blk_integrity *bi = blk_get_integrity(bio->bi_bdev->bd_disk);
unsigned short nr_vecs = bip->bip_max_vcnt - 1;
struct bio_vec *copy = &bip->bip_vec[1];
- size_t bytes = bip->bip_iter.bi_size;
+ size_t bytes = bio_iter_integrity_bytes(bi, bip->bio_iter);
struct iov_iter iter;
int ret;
@@ -253,6 +255,7 @@ static int bio_integrity_copy_user(struct bio *bio, struct bio_vec *bvec,
bip->bip_flags |= BIP_COPY_USER;
bip->bip_iter.bi_sector = seed;
bip->bip_vcnt = nr_vecs;
+ bip->bio_iter = bio->bi_iter;
return 0;
free_bip:
bio_integrity_free(bio);
--
2.25.1
