Commits
Ming Lei committed c3a7ce73800
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>