From d3e65ffff61c329fb2d0bf15736c440c2d0cfc97 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 28 Aug 2019 15:05:54 -0700 Subject: block/rq_qos: add rq_qos_merge() Add a merge hook for rq_qos. This will be used by io.weight. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/blk-rq-qos.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'block/blk-rq-qos.c') diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c index 3954c0dc1443..f4eea78f5cc1 100644 --- a/block/blk-rq-qos.c +++ b/block/blk-rq-qos.c @@ -83,6 +83,15 @@ void __rq_qos_track(struct rq_qos *rqos, struct request *rq, struct bio *bio) } while (rqos); } +void __rq_qos_merge(struct rq_qos *rqos, struct request *rq, struct bio *bio) +{ + do { + if (rqos->ops->merge) + rqos->ops->merge(rqos, rq, bio); + rqos = rqos->next; + } while (rqos); +} + void __rq_qos_done_bio(struct rq_qos *rqos, struct bio *bio) { do { -- cgit