NAME
blk_start_queue - restart a previously stopped queue
SYNOPSIS
void blk_start_queue (request_queue_t * q);
ARGUMENTS
q The &request_queue_t in question
DESCRIPTION
blk_start_queue will clear the stop flag on the queue, and call the
request_fn for the queue if it was in a stopped state when entered.
Also see blk_stop_queue. Queue lock must be held.