block: make the flush insertion use the tail of the dispatch list

It's not a preempt type request, in fact we have to insert it
behind requests that do specify INSERT_FRONT.

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Jens Axboe 2011-03-30 13:27:09 +02:00
parent b710a48055
commit 53d63e6b0d
1 changed files with 2 additions and 2 deletions

View File

@ -261,7 +261,7 @@ static bool blk_kick_flush(struct request_queue *q)
q->flush_rq.end_io = flush_end_io;
q->flush_pending_idx ^= 1;
__elv_add_request(q, &q->flush_rq, ELEVATOR_INSERT_REQUEUE);
list_add_tail(&q->flush_rq.queuelist, &q->queue_head);
return true;
}
@ -312,7 +312,7 @@ void blk_insert_flush(struct request *rq)
*/
if ((policy & REQ_FSEQ_DATA) &&
!(policy & (REQ_FSEQ_PREFLUSH | REQ_FSEQ_POSTFLUSH))) {
list_add(&rq->queuelist, &q->queue_head);
list_add_tail(&rq->queuelist, &q->queue_head);
return;
}