490 struct dentry *ovl_index_upper(struct ovl_fs *ofs, struct dentry *index)  in ovl_index_upper()  argument
495 	if (!d_is_dir(index))  in ovl_index_upper()
496 		return dget(index);  in ovl_index_upper()
498 	fh = ovl_get_fh(ofs, index, OVL_XATTR_UPPER);  in ovl_index_upper()
510 				    index, upper);  in ovl_index_upper()
523 int ovl_verify_index(struct ovl_fs *ofs, struct dentry *index)  in ovl_verify_index()  argument
532 	if (!d_inode(index))  in ovl_verify_index()
536 	if (index->d_name.len < sizeof(struct ovl_fb)*2)  in ovl_verify_index()
540 	len = index->d_name.len / 2;  in ovl_verify_index()
546 	if (hex2bin(fh->buf, index->d_name.name, len))  in ovl_verify_index()
558 	if (ovl_is_whiteout(index))  in ovl_verify_index()
565 	if (d_is_dir(index) && !ofs->config.nfs_export)  in ovl_verify_index()
575 	upper = ovl_index_upper(ofs, index);  in ovl_verify_index()
597 	if (!d_is_dir(index) && d_inode(index)->i_nlink == 1) {  in ovl_verify_index()
598 		err = ovl_check_origin_fh(ofs, fh, false, index, &stack);  in ovl_verify_index()
602 		if (ovl_get_nlink(ofs, origin.dentry, index, 0) == 0)  in ovl_verify_index()
613 			    index, d_inode(index)->i_mode & S_IFMT, err);  in ovl_verify_index()
618 			    index, d_inode(index)->i_mode & S_IFMT,  in ovl_verify_index()
619 			    d_inode(index)->i_nlink);  in ovl_verify_index()
673 	struct dentry *index;  in ovl_get_index_fh()  local
681 	index = lookup_positive_unlocked(name.name, ofs->indexdir, name.len);  in ovl_get_index_fh()
683 	if (IS_ERR(index)) {  in ovl_get_index_fh()
684 		if (PTR_ERR(index) == -ENOENT)  in ovl_get_index_fh()
685 			index = NULL;  in ovl_get_index_fh()
686 		return index;  in ovl_get_index_fh()
689 	if (ovl_is_whiteout(index))  in ovl_get_index_fh()
691 	else if (ovl_dentry_weird(index))  in ovl_get_index_fh()
694 		return index;  in ovl_get_index_fh()
696 	dput(index);  in ovl_get_index_fh()
703 	struct dentry *index;  in ovl_lookup_index()  local
713 	index = lookup_one_positive_unlocked(ovl_upper_mnt_userns(ofs), name.name,  in ovl_lookup_index()
715 	if (IS_ERR(index)) {  in ovl_lookup_index()
716 		err = PTR_ERR(index);  in ovl_lookup_index()
718 			index = NULL;  in ovl_lookup_index()
728 	inode = d_inode(index);  in ovl_lookup_index()
729 	if (ovl_is_whiteout(index) && !verify) {  in ovl_lookup_index()
736 		dput(index);  in ovl_lookup_index()
737 		index = ERR_PTR(-ESTALE);  in ovl_lookup_index()
739 	} else if (ovl_dentry_weird(index) || ovl_is_whiteout(index) ||  in ovl_lookup_index()
749 				    index, d_inode(index)->i_mode & S_IFMT,  in ovl_lookup_index()
755 					    origin, index);  in ovl_lookup_index()
760 		err = ovl_verify_upper(ofs, index, upper, false);  in ovl_lookup_index()
764 						    upper, origin, index);  in ovl_lookup_index()
773 	return index;  in ovl_lookup_index()
776 	dput(index);  in ovl_lookup_index()
777 	index = NULL;  in ovl_lookup_index()
781 	dput(index);  in ovl_lookup_index()
782 	index = ERR_PTR(-EIO);  in ovl_lookup_index()
840 	struct dentry *index = NULL;  in ovl_lookup()  local
960 		     (!d.is_dir && ofs->config.index && origin_path))) {  in ovl_lookup()
1061 		index = ovl_lookup_index(ofs, upperdentry, origin, true);  in ovl_lookup()
1062 		if (IS_ERR(index)) {  in ovl_lookup()
1063 			err = PTR_ERR(index);  in ovl_lookup()
1064 			index = NULL;  in ovl_lookup()
1082 	else if (index) {  in ovl_lookup()
1084 			.dentry = upperdentry = dget(index),  in ovl_lookup()
1104 			.index = index,  in ovl_lookup()
1126 	dput(index);  in ovl_lookup()
1135 	dput(index);  in ovl_lookup()