From c3a7ce738009912f9d237bdabf4a20038522de10 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Fri, 15 Feb 2019 19:13:16 +0800 Subject: [PATCH] btrfs: use mp_bvec_last_segment to get bio's last page Preparing for supporting multi-page bvec. Reviewed-by: Omar Sandoval Signed-off-by: Ming Lei Signed-off-by: Jens Axboe --- fs/btrfs/extent_io.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index dc8ba3ee515d..986ef49b0269 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -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;