Commits
Ming Lei committed 764f612c6c3
blk-merge: don't compute bi_phys_segments from bi_vcnt for cloned bio It isn't correct to figure out req->bi_phys_segments from bio->bi_vcnt if the bio is cloned. Signed-off-by: Ming Lei <ming.lei@canonical.com> Tested-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>