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.
       This function can only be called if bdev is opened and the return value is never NULL.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   BLK_GET_BACKING_DEV_(9)