Name
blk_cleanup_queue — 
     shutdown a request queue
 
Synopsis
| void blk_cleanup_queue ( | struct request_queue * q ); | 
 
Arguments
- q
- 
     request queue to shutdown
     
Description
   Mark q DYING, drain all pending requests, mark q DEAD, destroy and
   put it.  All future requests will be failed immediately with -ENODEV.