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NAME

       blk_execute_rq - insert a request into queue for execution

SYNOPSIS

       int blk_execute_rq  (request_queue_t * q, struct gendisk * bd_disk,
                             struct request * rq, int at_head);

ARGUMENTS

       q      queue to insert the request in

       bd_disk
              matching gendisk

       rq     request to insert

       at_head
              insert request at head or tail of queue

DESCRIPTION

       Insert a fully prepared request at the back of the io  scheduler  queue
       for execution and wait for completion.