suse man page for blk_get_backing_dev_info

BLK_GET_BACKING_DEV_(9) 					   Block Devices					   BLK_GET_BACKING_DEV_(9)

NAME
       blk_get_backing_dev_info - get the address of a queue's backing_dev_info

SYNOPSIS
       struct backing_dev_info * blk_get_backing_dev_info(struct block_device * bdev);

ARGUMENTS
       bdev
	   device

DESCRIPTION
       Locates the passed device's request queue and returns the address of its backing_dev_info

       Will return NULL if the request queue cannot be located.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						   BLK_GET_BACKING_DEV_(9)