This patch add support in block & elevator layers for handling
urgent requests. The decision if a request is urgent or not is taken
by the scheduler. Request is marked as urgent in cmd_flags (by the
scheduler) with a new flag - REQ_URGENT.
Urgent request notification is passed to the underlying
This patch add support in block elevator layers for handling
urgent requests. The decision if a request is urgent or not is taken
by the scheduler. Request is marked as urgent in cmd_flags (by the
scheduler) with a new flag - REQ_URGENT.
Urgent request notification is passed to the underlying
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