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authorJens Axboe <axboe@suse.de>2006-07-25 15:05:21 +0200
committerJens Axboe <axboe@suse.de>2006-07-25 15:05:21 +0200
commit44eb123126d289bac398cac0232309c228386671 (patch)
tree129504f649195d5cff96c4c94a345d459f770896 /block
parent[PATCH] blktrace: fix read-ahead bit (diff)
downloadlinux-44eb123126d289bac398cac0232309c228386671.tar.xz
linux-44eb123126d289bac398cac0232309c228386671.zip
[PATCH] cfq-iosched: don't use a hard jiffies value, translate from msecs
The CIC_SEEKY() test really wants to use the minimum of either: - 2 msecs (not jiffies) - or, the pending slice time So code it like that. Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'block')
-rw-r--r--block/cfq-iosched.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 102ebc2c5c34..aae3123bf3ee 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -936,7 +936,7 @@ static int cfq_arm_slice_timer(struct cfq_data *cfqd, struct cfq_queue *cfqq)
* seeks. so allow a little bit of time for him to submit a new rq
*/
if (sample_valid(cic->seek_samples) && CIC_SEEKY(cic))
- sl = 2;
+ sl = min(sl, msecs_to_jiffies(2));
mod_timer(&cfqd->idle_slice_timer, jiffies + sl);
return 1;