Name
blk_queue_logical_block_size — 
     set logical block size for the queue
 
Synopsis
| void blk_queue_logical_block_size ( | struct request_queue * q, | 
|  | unsigned short size ); | 
 
Arguments
- q
- 
     the request queue for the device
     
- size
- 
     the logical block size, in bytes
     
Description
   This should be set to the lowest possible block size that the
   storage device can address.  The default of 512 covers most
   hardware.