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| author | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 13:43:29 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 13:43:29 +0300 |
| commit | 822bbba0cabb50825a0ce22707dc45eb82d02853 (patch) | |
| tree | ea61d4ca72cb60b4cae8e95f64eefa7cd2a36603 /block/blk-rq-qos.h | |
| parent | d41abfd7ae33cd3c1d9189438937d61cb75e690a (diff) | |
| parent | 7d194c2100ad2a6dded545887d02754948ca5241 (diff) | |
| download | linux-822bbba0cabb50825a0ce22707dc45eb82d02853.tar.xz | |
Merge tag 'v5.4-rc4' into docs-next
I need to pick up the independent changes made to
Documentation/core-api/memory-allocation.rst to be able to merge further
work without creating a total mess.
Diffstat (limited to 'block/blk-rq-qos.h')
| -rw-r--r-- | block/blk-rq-qos.h | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h index 08a09dbe0f4b..2bc43e94f4c4 100644 --- a/block/blk-rq-qos.h +++ b/block/blk-rq-qos.h @@ -108,16 +108,13 @@ static inline void rq_qos_add(struct request_queue *q, struct rq_qos *rqos) static inline void rq_qos_del(struct request_queue *q, struct rq_qos *rqos) { - struct rq_qos *cur, *prev = NULL; - for (cur = q->rq_qos; cur; cur = cur->next) { - if (cur == rqos) { - if (prev) - prev->next = rqos->next; - else - q->rq_qos = cur; + struct rq_qos **cur; + + for (cur = &q->rq_qos; *cur; cur = &(*cur)->next) { + if (*cur == rqos) { + *cur = rqos->next; break; } - prev = cur; } blk_mq_debugfs_unregister_rqos(rqos); @@ -130,8 +127,8 @@ void rq_qos_wait(struct rq_wait *rqw, void *private_data, acquire_inflight_cb_t *acquire_inflight_cb, cleanup_cb_t *cleanup_cb); bool rq_wait_inc_below(struct rq_wait *rq_wait, unsigned int limit); -void rq_depth_scale_up(struct rq_depth *rqd); -void rq_depth_scale_down(struct rq_depth *rqd, bool hard_throttle); +bool rq_depth_scale_up(struct rq_depth *rqd); +bool rq_depth_scale_down(struct rq_depth *rqd, bool hard_throttle); bool rq_depth_calc_max_depth(struct rq_depth *rqd); void __rq_qos_cleanup(struct rq_qos *rqos, struct bio *bio); |