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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_infoSYNOPSIS¶
struct backing_dev_info * blk_get_backing_dev_info(struct block_device * bdev);
ARGUMENTS¶
bdevdevice
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¶
April 2019 | Kernel Hackers Manual 4.9. |