1 files changed, 4 insertions, 1 deletions

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 4ab33d8a20b2..b35cc56dfd94 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1995,7 +1995,10 @@ cfq_update_idle_window(struct cfq_data *cfqd, struct cfq_queue *cfqq,
             (!cfqd->cfq_latency && cfqd->hw_tag && CIC_SEEKY(cic)))
                 enable_idle = 0;
         else if (sample_valid(cic->ttime_samples)) {
-                if (cic->ttime_mean > cfqd->cfq_slice_idle)
+                unsigned int slice_idle = cfqd->cfq_slice_idle;
+                if (sample_valid(cic->seek_samples) && CIC_SEEKY(cic))
+                        slice_idle = msecs_to_jiffies(CFQ_MIN_TT);
+                if (cic->ttime_mean > slice_idle)
                         enable_idle = 0;
                 else
                         enable_idle = 1;