linux-master/fs/namei.c

100  *	in the last component in creation/removal/renaming - never follow.
107  * restored for 2.4. This is the last surviving part of old 4.2BSD bug.
569 	struct qstr	last;
667 		struct saved *last = nd->stack + i;
668 		do_delayed_call(&last->done);
669 		clear_delayed_call(&last->done);
732 		struct saved *last = nd->stack + i;
733 		if (unlikely(!legitimize_path(nd, &last->link, last->seq))) {
756  * mode.  Refcounts are grabbed at the last known good point before rcu-walk
1024 	struct saved *last = nd->stack + --nd->depth;
1025 	do_delayed_call(&last->done);
1027 		path_put(&last->link);
1627 		dentry = __d_lookup_rcu(parent, &nd->last, &nd->next_seq);
1650 		dentry = __d_lookup(parent, &nd->last);
1760 	struct saved *last;
1769 	last = nd->stack + nd->depth++;
1770 	last->link = *link;
1771 	clear_delayed_call(&last->done);
1772 	last->seq = nd->next_seq;
1785 		touch_atime(&last->link);
1787 	} else if (atime_needs_update(&last->link, inode)) {
1790 		touch_atime(&last->link);
1804 			res = get(NULL, inode, &last->done);
1806 				res = get(link->dentry, inode, &last->done);
1808 			res = get(link->dentry, inode, &last->done);
2004 		dentry = lookup_slow(&nd->last, nd->path.dentry, nd->flags);
2303 		nd->last.hash_len = hash_len;
2304 		nd->last.name = name;
2326 			/* last component of nested symlink */
2330 			/* not the last component */
2466 	if (nd->last_type == LAST_NORM && nd->last.name[nd->last.len])
2555 			       struct qstr *last, int *type,
2570 		*last = nd.last;
2580 			     struct qstr *last, int *type)
2582 	return __filename_parentat(dfd, name, flags, parent, last, type, NULL);
2589 	struct qstr last;
2592 	error = filename_parentat(dfd, name, 0, path, &last, &type);
2600 	d = lookup_one_qstr_excl(&last, path->dentry, 0);
2643  * @last: last component
2644  * @type: type of the last component
2648 			   struct path *parent, struct qstr *last, int *type,
2651 	return  __filename_parentat(AT_FDCWD, filename, flags, parent, last,
3396  * Look up and maybe create and open the last component.
3427 	dentry = d_lookup(dir, &nd->last);
3430 			dentry = d_alloc_parallel(dir, &nd->last, &wq);
3539 		if (nd->last.name[nd->last.len])
3558 		if (unlikely(nd->last.name[nd->last.len]))
3604  * Handle the last step of open()
3873 	struct qstr last;
3881 	error = filename_parentat(dfd, name, reval_flag, path, &last, &type);
3886 	 * Yucky last component or no last component at all?
3898 	if (last.name[last.len] && !want_dir)
3901 	dentry = lookup_one_qstr_excl(&last, path->dentry,
4237 	struct qstr last;
4241 	error = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);
4262 	dentry = lookup_one_qstr_excl(&last, path.dentry, lookup_flags);
4376 	struct qstr last;
4382 	error = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);
4395 	dentry = lookup_one_qstr_excl(&last, path.dentry, lookup_flags);
4400 		if (last.name[last.len] || d_is_negative(dentry))