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authorKeith Busch <keith.busch@intel.com>2018-02-01 14:41:15 -0700
committerJens Axboe <axboe@kernel.dk>2018-02-01 14:45:11 -0700
commitbea99a500773fdfdb16b7dbfbaa00af7a6f0dc3b (patch)
tree1290fec98ae3751dd6ea9cc787c73c5ece62f0ff /block
parent445251d0f4d329aa061f323546cd6388a3bb7ab5 (diff)
downloadlinux-bea99a500773fdfdb16b7dbfbaa00af7a6f0dc3b.tar.bz2
blk-mq-sched: Enable merging discard bio into request
Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq-sched.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index 55c0a745b427..25c14c58385c 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -259,6 +259,8 @@ bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio,
if (!*merged_request)
elv_merged_request(q, rq, ELEVATOR_FRONT_MERGE);
return true;
+ case ELEVATOR_DISCARD_MERGE:
+ return bio_attempt_discard_merge(q, rq, bio);
default:
return false;
}