group_idle
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This parameter forces idling at the CFQ group level instead of CFQ
-queue level. This was introduced after after a bottleneck was observed
+queue level. This was introduced after a bottleneck was observed
in higher end storage due to idle on sequential queue and allow dispatch
from a single queue. The idea with this parameter is that it can be run with
slice_idle=0 and group_idle=8, so that idling does not happen on individual