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| author | Ming Lei <ming.lei@redhat.com> | 2021-12-06 12:12:13 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-12-06 17:40:42 +0100 |
| commit | 41adf531e390e7969f00a560b8971cbf42f5a6da (patch) | |
| tree | 932344cea4539f1f795a8c5ecd2f965367df69e0 /block/blk-mq.c | |
| parent | blk-mq: run dispatch lock once in case of issuing from list (diff) | |
| download | linux-41adf531e390e7969f00a560b8971cbf42f5a6da.tar.xz linux-41adf531e390e7969f00a560b8971cbf42f5a6da.zip | |
blk-mq: don't run might_sleep() if the operation needn't blocking
The operation protected via blk_mq_run_dispatch_ops() in blk_mq_run_hw_queue
won't sleep, so don't run might_sleep() for it.
Reported-and-tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
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, 1 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 22ec21aa0c22..706e9a836fe6 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2048,7 +2048,7 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) * And queue will be rerun in blk_mq_unquiesce_queue() if it is * quiesced. */ - blk_mq_run_dispatch_ops(hctx->queue, + __blk_mq_run_dispatch_ops(hctx->queue, false, need_run = !blk_queue_quiesced(hctx->queue) && blk_mq_hctx_has_pending(hctx)); |