Commit c3a7ce73 authored by Ming Lei's avatar Ming Lei Committed by Jens Axboe
Browse files

btrfs: use mp_bvec_last_segment to get bio's last page 



Preparing for supporting multi-page bvec.

Reviewed-by: default avatarOmar Sandoval <osandov@fb.com>
Signed-off-by: default avatarMing Lei <ming.lei@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent f70f4464

fs/btrfs/extent_io.c

+3 −2
Original line number Diff line number Diff line
@@ -2697,11 +2697,12 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num, 
{

	blk_status_t ret = 0;

	struct bio_vec *bvec = bio_last_bvec_all(bio);

	struct page *page = bvec->bv_page;

	struct bio_vec bv;

	struct extent_io_tree *tree = bio->bi_private;

	u64 start;



	start = page_offset(page) + bvec->bv_offset;

	mp_bvec_last_segment(bvec, &bv);

	start = page_offset(bv.bv_page) + bv.bv_offset;



	bio->bi_private = NULL;