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authorChristoph Hellwig <hch@lst.de>2023-04-13 09:40:53 +0300
committerJens Axboe <axboe@kernel.dk>2023-04-13 15:52:30 +0300
commit214a441805b8cc090930fb00193125e22466a95a (patch)
treeb21d812b8b46d5b0e460d2edc130cf4eec882fd8 /block
parent2394395cd598f6404c57ae0b63afb5d37e94924d (diff)
downloadlinux-214a441805b8cc090930fb00193125e22466a95a.tar.xz
blk-mq: don't kick the requeue_list in blk_mq_add_to_requeue_list
blk_mq_add_to_requeue_list takes a bool parameter to control how to kick the requeue list at the end of the function. Move the call to blk_mq_kick_requeue_list to the callers that want it instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20230413064057.707578-17-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-flush.c6
-rw-r--r--block/blk-mq.c13
-rw-r--r--block/blk-mq.h3
3 files changed, 12 insertions, 10 deletions
diff --git a/block/blk-flush.c b/block/blk-flush.c
index 3561aba8cc23..015982bd2f7c 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -188,7 +188,8 @@ static void blk_flush_complete_seq(struct request *rq,
case REQ_FSEQ_DATA:
list_move_tail(&rq->flush.list, &fq->flush_data_in_flight);
- blk_mq_add_to_requeue_list(rq, true, true);
+ blk_mq_add_to_requeue_list(rq, true);
+ blk_mq_kick_requeue_list(q);
break;
case REQ_FSEQ_DONE:
@@ -345,7 +346,8 @@ static void blk_kick_flush(struct request_queue *q, struct blk_flush_queue *fq,
smp_wmb();
req_ref_set(flush_rq, 1);
- blk_mq_add_to_requeue_list(flush_rq, false, true);
+ blk_mq_add_to_requeue_list(flush_rq, false);
+ blk_mq_kick_requeue_list(q);
}
static enum rq_end_io_ret mq_flush_data_end_io(struct request *rq,
diff --git a/block/blk-mq.c b/block/blk-mq.c
index cde7ba9c39bf..db806c1a194c 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1412,12 +1412,17 @@ static void __blk_mq_requeue_request(struct request *rq)
void blk_mq_requeue_request(struct request *rq, bool kick_requeue_list)
{
+ struct request_queue *q = rq->q;
+
__blk_mq_requeue_request(rq);
/* this request will be re-inserted to io scheduler queue */
blk_mq_sched_requeue_request(rq);
- blk_mq_add_to_requeue_list(rq, true, kick_requeue_list);
+ blk_mq_add_to_requeue_list(rq, true);
+
+ if (kick_requeue_list)
+ blk_mq_kick_requeue_list(q);
}
EXPORT_SYMBOL(blk_mq_requeue_request);
@@ -1459,8 +1464,7 @@ static void blk_mq_requeue_work(struct work_struct *work)
blk_mq_run_hw_queues(q, false);
}
-void blk_mq_add_to_requeue_list(struct request *rq, bool at_head,
- bool kick_requeue_list)
+void blk_mq_add_to_requeue_list(struct request *rq, bool at_head)
{
struct request_queue *q = rq->q;
unsigned long flags;
@@ -1479,9 +1483,6 @@ void blk_mq_add_to_requeue_list(struct request *rq, bool at_head,
list_add_tail(&rq->queuelist, &q->requeue_list);
}
spin_unlock_irqrestore(&q->requeue_lock, flags);
-
- if (kick_requeue_list)
- blk_mq_kick_requeue_list(q);
}
void blk_mq_kick_requeue_list(struct request_queue *q)
diff --git a/block/blk-mq.h b/block/blk-mq.h
index f30f99166f38..5d3761c50063 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -44,8 +44,7 @@ int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr);
void blk_mq_wake_waiters(struct request_queue *q);
bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *,
unsigned int);
-void blk_mq_add_to_requeue_list(struct request *rq, bool at_head,
- bool kick_requeue_list);
+void blk_mq_add_to_requeue_list(struct request *rq, bool at_head);
void blk_mq_flush_busy_ctxs(struct blk_mq_hw_ctx *hctx, struct list_head *list);
struct request *blk_mq_dequeue_from_ctx(struct blk_mq_hw_ctx *hctx,
struct blk_mq_ctx *start);