- struct dentry * lookup_one_len(const char * name, struct dentry * base, int len);
- pathname component to lookup
- base directory to lookup from
- maximum length len should be interpreted to
Note that this routine is purely a helper for filesystem usage and should not be called by generic code. Also note that by using this function the nameidata argument is passed to the filesystem methods and a filesystem using this helper needs to be prepared for that.