From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Lei Date: Fri, 11 Jan 2019 19:01:19 +0800 Subject: [Cluster-devel] [PATCH V13 11/19] btrfs: use bvec_last_segment to get bio's last page In-Reply-To: <20190111110127.21664-1-ming.lei@redhat.com> References: <20190111110127.21664-1-ming.lei@redhat.com> Message-ID: <20190111110127.21664-12-ming.lei@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Preparing for supporting multi-page bvec. Reviewed-by: Omar Sandoval Signed-off-by: Ming Lei --- 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..c092f88700bd 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; + bvec_last_segment(bvec, &bv); + start = page_offset(bv.bv_page) + bv.bv_offset; bio->bi_private = NULL; -- 2.9.5