We don't enable it by default, don't let it get enabled during runtime. Signed-off-by: Jens Axboe <[EMAIL PROTECTED]> --- block/cfq-iosched.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 8f76aed..f920527 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1597,7 +1597,12 @@ 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))) -- 1.5.1.1.190.g74474 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/