q->bar_rq.rq_disk is NULL. Use the rq_disk of the original request instead. Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> --- block/blk-barrier.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/block/blk-barrier.c b/block/blk-barrier.c index e7fed5e..fa047b3 100644 --- a/block/blk-barrier.c +++ b/block/blk-barrier.c @@ -136,7 +136,7 @@ static void queue_flush(struct request_queue *q, unsigned which) blk_rq_init(q, rq); rq->cmd_type = REQ_TYPE_FS; rq->cmd_flags = REQ_HARDBARRIER | REQ_FLUSH; - rq->rq_disk = q->bar_rq.rq_disk; + rq->rq_disk = q->orig_bar_rq->rq_disk; rq->end_io = end_io; elv_insert(q, rq, ELEVATOR_INSERT_FRONT); -- 1.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html