diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2018-09-26 23:01:10 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-09-26 23:11:29 +0200 |
| commit | 986d413b7c156e69198dfc80fb74aa18d0ddef44 (patch) | |
| tree | e0fcd51efae63e0a77af2d7213771e82ce757b4d /block/blk-mq.c | |
| parent | block: Make blk_get_request() block for non-PM requests while suspended (diff) | |
| download | linux-986d413b7c156e69198dfc80fb74aa18d0ddef44.tar.xz linux-986d413b7c156e69198dfc80fb74aa18d0ddef44.zip | |
blk-mq: Enable support for runtime power management
Now that the blk-mq core processes power management requests
(marked with RQF_PREEMPT) in other states than RPM_ACTIVE, enable
runtime power management for blk-mq.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Jianchao Wang <jianchao.w.wang@oracle.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 96d501e8663c..d384ab700afd 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -33,6 +33,7 @@ #include "blk-mq.h" #include "blk-mq-debugfs.h" #include "blk-mq-tag.h" +#include "blk-pm.h" #include "blk-stat.h" #include "blk-mq-sched.h" #include "blk-rq-qos.h" @@ -475,6 +476,7 @@ static void __blk_mq_free_request(struct request *rq) struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(q, ctx->cpu); const int sched_tag = rq->internal_tag; + blk_pm_mark_last_busy(rq); if (rq->tag != -1) blk_mq_put_tag(hctx, hctx->tags, ctx, rq->tag); if (sched_tag != -1) |