Messages in this thread Patch in this message | | | From | Ming Lei <> | Subject | [PATCH V11 08/19] btrfs: use bvec_last_segment to get bio's last page | Date | Wed, 21 Nov 2018 11:23:16 +0800 |
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Preparing for supporting multi-page bvec.
Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> --- 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 d228f706ff3e..5d5965297e7e 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2720,11 +2720,12 @@ 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
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