tree 50ff24c84b2ecfc2e8e518b1d9aecf3be2bc8ec5
parent be56123568072d223263a6a70a087d1e7faabb83
author Tejun Heo <htejun@gmail.com> 1131643216 +0100
committer Jens Axboe <axboe@nelson.home.kernel.dk> 1131789396 +0100

[BLOCK] cfq-iosched: fix slice_left calculation

When cfq slice expires, remainder of slice is calculated and stored in
cfqq->slice_left.  Current code calculates the opposite of remainder -
how many jiffies the cfqq has used past slice end.  This patch fixes
the bug.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>