Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-13 00:20:06 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

cfq-iosched: fix bad return value cfq_should_preempt()

Browse Source 
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>
This commit is contained in:
Jens Axboe 2009-11-03 20:21:35 +01:00
parent 8c4db3355b
commit e6ec4fe245
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
block/cfq-iosched.c
View File

@ -2051,7 +2051,7 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq,
* it's a metadata request and the current queue is doing regular IO.
*/
if (rq_is_meta(rq) && !cfqq->meta_pending)
return false;
return true;
/*
* Allow an RT request to pre-empt an ongoing non-RT cfqq timeslice.