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| author |   Ming Lei <ming.lei@redhat.com> | 2019-02-15 19:13:16 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-02-15 08:40:11 -0700 |
| commit | c3a7ce738009912f9d237bdabf4a20038522de10 (patch) | |
| tree | dbe73b17f003885d7df92c20a3f277314eb95186 /fs/btrfs/extent_io.c | |
| parent | fs/buffer.c: use bvec iterator to truncate the bio (diff) | |
| download | linux-dev-c3a7ce738009912f9d237bdabf4a20038522de10.tar.xz linux-dev-c3a7ce738009912f9d237bdabf4a20038522de10.zip | |
btrfs: use mp_bvec_last_segment to get bio's last page
Preparing for supporting multi-page bvec.
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | fs/btrfs/extent_io.c | 5 |
1 files 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; |