diff options
Diffstat (limited to 'block/mq-deadline.c')
| -rw-r--r-- | block/mq-deadline.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 19c6922e85f1..6d6dda5cfffa 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -452,6 +452,8 @@ static int dd_request_merge(struct request_queue *q, struct request **rq, if (elv_bio_merge_ok(__rq, bio)) { *rq = __rq; + if (blk_discard_mergable(__rq)) + return ELEVATOR_DISCARD_MERGE; return ELEVATOR_FRONT_MERGE; } } |