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cfq-iosched: use assigned slice sync value, not default

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We should use the sysfs modified slice sync value, in case it differs
from the default.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2009-10-03 19:46:03 +02:00
parent 963b72fc66
commit 61f0c1dcaa
1 changed files with 4 additions and 3 deletions
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7
block/cfq-iosched.c
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@ -1348,12 +1348,13 @@ static int cfq_dispatch_requests(struct request_queue *q, int force)
/*
* must wait a bit longer
*/
if (last_sync < cfq_slice_sync) {
cfq_schedule_dispatch(cfqd, cfq_slice_sync - last_sync);
if (last_sync < cfqd->cfq_slice[1]) {
cfq_schedule_dispatch(cfqd,
cfqd->cfq_slice[1] - last_sync);
return 0;
}
depth = last_sync / cfq_slice_sync;
depth = last_sync / cfqd->cfq_slice[1];
if (depth < max_dispatch)
max_dispatch = depth;
}