From 1be92f2fc7b563db3a8909d2d1c6a6520aeca323 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 19 Apr 2007 14:32:26 +0200 Subject: cfq-iosched: never allow an async queue idling We don't enable it by default, don't let it get enabled during runtime. Signed-off-by: Jens Axboe --- block/cfq-iosched.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'block/cfq-iosched.c') diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 839086dcb0af..df82755ac40b 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1603,7 +1603,12 @@ static void cfq_update_idle_window(struct cfq_data *cfqd, struct cfq_queue *cfqq, struct cfq_io_context *cic) { - int enable_idle = cfq_cfqq_idle_window(cfqq); + int enable_idle; + + if (!cfq_cfqq_sync(cfqq)) + return; + + enable_idle = cfq_cfqq_idle_window(cfqq); if (!cic->ioc->task || !cfqd->cfq_slice_idle || (cfqd->hw_tag && CIC_SEEKY(cic))) -- cgit v1.2.3-59-g8ed1b