suse man page for lookup_create

LOOKUP_CREATE(9)						   The Linux VFS						  LOOKUP_CREATE(9)

NAME
       lookup_create - lookup a dentry, creating it if it doesn't exist

SYNOPSIS
       struct dentry * lookup_create(struct nameidata * nd, int is_dir);

ARGUMENTS
       nd
	   nameidata info

       is_dir
	   directory flag

DESCRIPTION
       Simple function to lookup and return a dentry and create it if it doesn't exist. Is SMP-safe.

       Returns with nd->path.dentry->d_inode->i_mutex locked.

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