463 struct dentry *ovl_index_upper(struct ovl_fs *ofs, struct dentry *index)  in ovl_index_upper()  argument
468 	if (!d_is_dir(index))  in ovl_index_upper()
469 		return dget(index);  in ovl_index_upper()
471 	fh = ovl_get_fh(index, OVL_XATTR_UPPER);  in ovl_index_upper()
483 				    index, upper);  in ovl_index_upper()
492 static bool ovl_is_temp_index(struct dentry *index)  in ovl_is_temp_index()  argument
494 	return index->d_name.name[0] == '#';  in ovl_is_temp_index()
502 int ovl_verify_index(struct ovl_fs *ofs, struct dentry *index)  in ovl_verify_index()  argument
511 	if (!d_inode(index))  in ovl_verify_index()
516 	if (ovl_is_temp_index(index))  in ovl_verify_index()
520 	if (index->d_name.len < sizeof(struct ovl_fh)*2)  in ovl_verify_index()
524 	len = index->d_name.len / 2;  in ovl_verify_index()
530 	if (hex2bin((u8 *)fh, index->d_name.name, len))  in ovl_verify_index()
542 	if (ovl_is_whiteout(index))  in ovl_verify_index()
549 	if (d_is_dir(index) && !ofs->config.nfs_export)  in ovl_verify_index()
559 	upper = ovl_index_upper(ofs, index);  in ovl_verify_index()
581 	if (!d_is_dir(index) && d_inode(index)->i_nlink == 1) {  in ovl_verify_index()
582 		err = ovl_check_origin_fh(ofs, fh, false, index, &stack);  in ovl_verify_index()
586 		if (ovl_get_nlink(origin.dentry, index, 0) == 0)  in ovl_verify_index()
597 			    index, d_inode(index)->i_mode & S_IFMT, err);  in ovl_verify_index()
602 			    index, d_inode(index)->i_mode & S_IFMT,  in ovl_verify_index()
603 			    d_inode(index)->i_nlink);  in ovl_verify_index()
656 	struct dentry *index;  in ovl_get_index_fh()  local
664 	index = lookup_one_len_unlocked(name.name, ofs->indexdir, name.len);  in ovl_get_index_fh()
666 	if (IS_ERR(index)) {  in ovl_get_index_fh()
667 		if (PTR_ERR(index) == -ENOENT)  in ovl_get_index_fh()
668 			index = NULL;  in ovl_get_index_fh()
669 		return index;  in ovl_get_index_fh()
672 	if (d_is_negative(index))  in ovl_get_index_fh()
674 	else if (ovl_is_whiteout(index))  in ovl_get_index_fh()
676 	else if (ovl_dentry_weird(index))  in ovl_get_index_fh()
679 		return index;  in ovl_get_index_fh()
681 	dput(index);  in ovl_get_index_fh()
688 	struct dentry *index;  in ovl_lookup_index()  local
698 	index = lookup_one_len_unlocked(name.name, ofs->indexdir, name.len);  in ovl_lookup_index()
699 	if (IS_ERR(index)) {  in ovl_lookup_index()
700 		err = PTR_ERR(index);  in ovl_lookup_index()
702 			index = NULL;  in ovl_lookup_index()
712 	inode = d_inode(index);  in ovl_lookup_index()
713 	if (d_is_negative(index)) {  in ovl_lookup_index()
715 	} else if (ovl_is_whiteout(index) && !verify) {  in ovl_lookup_index()
722 		dput(index);  in ovl_lookup_index()
723 		index = ERR_PTR(-ESTALE);  in ovl_lookup_index()
725 	} else if (ovl_dentry_weird(index) || ovl_is_whiteout(index) ||  in ovl_lookup_index()
735 				    index, d_inode(index)->i_mode & S_IFMT,  in ovl_lookup_index()
741 					    origin, index);  in ovl_lookup_index()
746 		err = ovl_verify_upper(index, upper, false);  in ovl_lookup_index()
750 						    upper, origin, index);  in ovl_lookup_index()
759 	return index;  in ovl_lookup_index()
762 	dput(index);  in ovl_lookup_index()
763 	index = NULL;  in ovl_lookup_index()
767 	dput(index);  in ovl_lookup_index()
768 	index = ERR_PTR(-EIO);  in ovl_lookup_index()
826 	struct dentry *index = NULL;  in ovl_lookup()  local
940 		     (!d.is_dir && ofs->config.index && origin_path))) {  in ovl_lookup()
1039 		index = ovl_lookup_index(ofs, upperdentry, origin, true);  in ovl_lookup()
1040 		if (IS_ERR(index)) {  in ovl_lookup()
1041 			err = PTR_ERR(index);  in ovl_lookup()
1042 			index = NULL;  in ovl_lookup()
1060 	else if (index) {  in ovl_lookup()
1061 		upperdentry = dget(index);  in ovl_lookup()
1074 			.index = index,  in ovl_lookup()
1092 	dput(index);  in ovl_lookup()
1101 	dput(index);  in ovl_lookup()