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-rw-r--r--block/cfq-iosched.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index fb52df9744f5..e62e9205b80a 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1973,7 +1973,8 @@ cfq_merged_requests(struct request_queue *q, struct request *rq,
* reposition in fifo if next is older than rq
*/
if (!list_empty(&rq->queuelist) && !list_empty(&next->queuelist) &&
- time_before(rq_fifo_time(next), rq_fifo_time(rq))) {
+ time_before(rq_fifo_time(next), rq_fifo_time(rq)) &&
+ cfqq == RQ_CFQQ(next)) {
list_move(&rq->queuelist, &next->queuelist);
rq_set_fifo_time(rq, rq_fifo_time(next));
}