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| author |   Tejun Heo <tj@kernel.org> | 2019-08-28 15:05:54 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-08-28 21:17:05 -0600 |
| commit | d3e65ffff61c329fb2d0bf15736c440c2d0cfc97 (patch) | |
| tree | 2a105cbaeb09f223b4171644418b4d2697cf9ba2 /block/blk-rq-qos.c | |
| parent | blkcg: separate blkcg_conf_get_disk() out of blkg_conf_prep() (diff) | |
| download | wireguard-linux-d3e65ffff61c329fb2d0bf15736c440c2d0cfc97.tar.xz wireguard-linux-d3e65ffff61c329fb2d0bf15736c440c2d0cfc97.zip | |
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 <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-rq-qos.c')
| -rw-r--r-- | block/blk-rq-qos.c | 9 |
1 files changed, 9 insertions, 0 deletions
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 { |