blk_get_backing_dev_info (9) Linux Manual Page
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.