blk_get_backing_dev_info
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## 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.

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