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| author | Jens Axboe <jens.axboe@oracle.com> | 2008-05-07 09:51:23 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-05-07 09:51:23 +0200 |
| commit | 6d63c275572d1e6f00d4fa154f16fbb0d8c2d2bf (patch) | |
| tree | 715f4bab902f117c958a929e44cd0b2257e3be29 /block/cfq-iosched.c | |
| parent | block: optimize generic_unplug_device() (diff) | |
| download | linux-6d63c275572d1e6f00d4fa154f16fbb0d8c2d2bf.tar.xz linux-6d63c275572d1e6f00d4fa154f16fbb0d8c2d2bf.zip | |
cfq-iosched: make io priorities inherit CPU scheduling class as well as nice
We currently set all processes to the best-effort scheduling class,
regardless of what CPU scheduling class they belong to. Improve that
so that we correctly track idle and rt scheduling classes as well.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 7f909d2f4886..b399c62936e0 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1303,10 +1303,10 @@ static void cfq_init_prio_data(struct cfq_queue *cfqq, struct io_context *ioc) printk(KERN_ERR "cfq: bad prio %x\n", ioprio_class); case IOPRIO_CLASS_NONE: /* - * no prio set, place us in the middle of the BE classes + * no prio set, inherit CPU scheduling settings */ cfqq->ioprio = task_nice_ioprio(tsk); - cfqq->ioprio_class = IOPRIO_CLASS_BE; + cfqq->ioprio_class = task_nice_ioclass(tsk); break; case IOPRIO_CLASS_RT: cfqq->ioprio = task_ioprio(ioc); |