1BLK_GET_BACKING_DEV_(9)          Block Devices         BLK_GET_BACKING_DEV_(9)
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NAME

6       blk_get_backing_dev_info - get the address of a queue's
7       backing_dev_info
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SYNOPSIS

10       struct backing_dev_info *
11                                                          blk_get_backing_dev_info(struct block_device * bdev);
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ARGUMENTS

14       bdev
15           device
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DESCRIPTION

18       Locates the passed device's request queue and returns the address of
19       its backing_dev_info. This function can only be called if bdev is
20       opened and the return value is never NULL.
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23Kernel Hackers Manual 3.10         June 2019           BLK_GET_BACKING_DEV_(9)
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