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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-04-20 14:18:00 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@nelson.home.kernel.dk> | 2007-04-30 09:01:22 +0200 |
| commit | 67e6b49e39e9b9bf5ce1351ef21dad391856183f (patch) | |
| tree | d76faecedf52358b30d2e4de8cc0d0f0946763a3 /block | |
| parent | 498d3aa2b4f791059acd8c942ee8fa15c2ce36c2 (diff) | |
| download | lwn-67e6b49e39e9b9bf5ce1351ef21dad391856183f.tar.gz lwn-67e6b49e39e9b9bf5ce1351ef21dad391856183f.zip | |
cfq-iosched: slice offset should take ioprio into account
Use the max_slice-cur_slice as the multipler for the insertion offset.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/cfq-iosched.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 29284fa06e6b..4a0397022f5b 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -442,7 +442,8 @@ static unsigned long cfq_slice_offset(struct cfq_data *cfqd, /* * just an approximation, should be ok. */ - return ((cfqd->busy_queues - 1) * cfq_prio_slice(cfqd, 1, 0)); + return (cfqd->busy_queues - 1) * (cfq_prio_slice(cfqd, 1, 0) - + cfq_prio_slice(cfqd, cfq_cfqq_sync(cfqq), cfqq->ioprio)); } /* |