lookup_noperm_positive_unlocked
dentry = lookup_noperm_positive_unlocked(&QSTR(name), parent);
dtmp = lookup_noperm_positive_unlocked(&QSTR(name), dentry);
dentry = lookup_noperm_positive_unlocked(&QSTR(name), parent);
EXPORT_SYMBOL(lookup_noperm_positive_unlocked);
index = lookup_noperm_positive_unlocked(&name, ofs->workdir);
dentry = lookup_noperm_positive_unlocked(&QSTR(qf_name), sb->s_root);
child = lookup_noperm_positive_unlocked(&QSTR_LEN(p, s - p),
child = lookup_noperm_positive_unlocked(&QSTR_LEN(p, s - p),
extern struct dentry *lookup_noperm_positive_unlocked(struct qstr *, struct dentry *);