centos man page for get_super

GET_SUPER(9)							   The Linux VFS						      GET_SUPER(9)

NAME
       get_super - get the superblock of a device

SYNOPSIS
       struct super_block * get_super(struct block_device * bdev);

ARGUMENTS
       bdev
	   device to get the superblock for

	   Scans the superblock list and finds the superblock of the file system mounted on the device given.  NULL is returned if no match is
	   found.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							      GET_SUPER(9)