BDGET_DISK(9) Block Devices BDGET_DISK(9)NAME
bdget_disk - do bdget by gendisk and partition number
SYNOPSIS
struct block_device * bdget_disk(struct gendisk * disk, int partno);
ARGUMENTS
disk
gendisk of interest
partno
partition number
DESCRIPTION
Find partition partno from disk, do bdget on it.
CONTEXT
Don't care.
RETURNS
Resulting block_device on success, NULL on failure.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 BDGET_DISK(9)