diff options
author | Jens Axboe <jens.axboe@oracle.com> | 2009-11-03 14:21:35 -0500 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2009-11-03 14:21:35 -0500 |
commit | e6ec4fe24572ee265723d895ec4159e5559c8266 (patch) | |
tree | cf61a73b2e50d695579cffe4226d41da5c889f8f | |
parent | 8c4db3355b0fcc9ad77431f15b955efa0645b5d0 (diff) |
cfq-iosched: fix bad return value cfq_should_preempt()
Commit a6151c3a5c8e1ff5a28450bc8d6a99a2a0add0a7 inadvertently reversed
a preempt condition check, potentially causing a performance regression.
Make the meta check correct again.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
-rw-r--r-- | block/cfq-iosched.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 069a61017c02..5802e322b7ad 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c | |||
@@ -2051,7 +2051,7 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq, | |||
2051 | * it's a metadata request and the current queue is doing regular IO. | 2051 | * it's a metadata request and the current queue is doing regular IO. |
2052 | */ | 2052 | */ |
2053 | if (rq_is_meta(rq) && !cfqq->meta_pending) | 2053 | if (rq_is_meta(rq) && !cfqq->meta_pending) |
2054 | return false; | 2054 | return true; |
2055 | 2055 | ||
2056 | /* | 2056 | /* |
2057 | * Allow an RT request to pre-empt an ongoing non-RT cfqq timeslice. | 2057 | * Allow an RT request to pre-empt an ongoing non-RT cfqq timeslice. |