suse man page for find_inode_number

FIND_INODE_NUMBER(9)						   The Linux VFS					      FIND_INODE_NUMBER(9)

NAME
       find_inode_number - check for dentry with name

SYNOPSIS
       ino_t find_inode_number(struct dentry * dir, struct qstr * name);

ARGUMENTS
       dir
	   directory to check

       name
	   Name to find.

DESCRIPTION
       Check whether a dentry already exists for the given name, and return the inode number if it has an inode. Otherwise 0 is returned.

       This routine is used to post-process directory listings for filesystems using synthetic inode numbers, and is necessary to keep getcwd
       working.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						      FIND_INODE_NUMBER(9)