Just wanted to know if the following conclusions are
right:
generic_plug_device function queue's a task (with
the generic_unplug_device routine to be executed) in
the tq_disk queue.
The __generic_unplug_device function(called from
generic_unplug_device) calls the request function
when the task is scheduled (crossed some limit of
buffers) or when free requests are not available.
Besides the above there is no other place where
unplugging i.e. running of tasks in the task queue
tq_disk is done.
-subodh
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