Name
blk_execute_rq — 
     insert a request into queue for execution
 
Synopsis
| int blk_execute_rq ( | struct request_queue * 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 I/O scheduler queue
   for execution and wait for completion.