centos man page for disk_get_part

DISK_GET_PART(9)						   Block Devices						  DISK_GET_PART(9)

NAME
       disk_get_part - get partition

SYNOPSIS
       struct hd_struct * disk_get_part(struct gendisk * disk, int partno);

ARGUMENTS
       disk
	   disk to look partition from

       partno
	   partition number

DESCRIPTION
       Look for partition partno from disk. If found, increment reference count and return it.

CONTEXT
       Don't care.

RETURNS
       Pointer to the found partition on success, NULL if not found.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  DISK_GET_PART(9)