diff options
| author |  Christoph Hellwig <hch@lst.de>
| 2020-06-11 08:44:45 +0200 |
|---|---|---|
| committer |  Jens Axboe <axboe@kernel.dk>
| 2020-06-24 09:15:57 -0600 |
| commit | d6cc464cc58424e137eca5e0a53226291044f5d2 (patch) | |
| tree | bd3ac889a723a79fa33b682fff8ce9ef9de5810f /block | |
| parent | blk-mq: complete polled requests directly (diff) | |
| download | linux-d6cc464cc58424e137eca5e0a53226291044f5d2.tar.gz linux-d6cc464cc58424e137eca5e0a53226291044f5d2.tar.bz2 linux-d6cc464cc58424e137eca5e0a53226291044f5d2.zip | |
blk-mq: short cut the IPI path in blk_mq_force_complete_rq for !SMP
Let the compile optimize out the entire IPI path, given that we are
obviously not going to use it.
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-mq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index ea083f58d9da..eef2f3c7f402 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -727,7 +727,8 @@ void blk_mq_force_complete_rq(struct request *rq) return; } - if (!test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags)) { + if (!IS_ENABLED(CONFIG_SMP) || + !test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags)) { q->mq_ops->complete(rq); return; } |