234 static int ovl_set_opaque_xerr(struct dentry *dentry, struct dentry *upper,  in ovl_set_opaque_xerr()  argument
240 	err = ovl_check_setxattr(ofs, upper, OVL_XATTR_OPAQUE, "y", 1, xerr);  in ovl_set_opaque_xerr()
370 	struct dentry *upper;  in ovl_clear_empty()  local
391 	upper = upperpath.dentry;  in ovl_clear_empty()
392 	if (upper->d_parent->d_inode != udir)  in ovl_clear_empty()
414 	err = ovl_do_rename(ofs, wdir, opaquedir, udir, upper, RENAME_EXCHANGE);  in ovl_clear_empty()
418 	ovl_cleanup_whiteouts(ofs, upper, list);  in ovl_clear_empty()
419 	ovl_cleanup(ofs, wdir, upper);  in ovl_clear_empty()
453 	struct dentry *upper;  in ovl_create_over_whiteout()  local
473 	upper = ovl_lookup_upper(ofs, dentry->d_name.name, upperdir,  in ovl_create_over_whiteout()
475 	err = PTR_ERR(upper);  in ovl_create_over_whiteout()
476 	if (IS_ERR(upper))  in ovl_create_over_whiteout()
480 	if (d_is_negative(upper) || !IS_WHITEOUT(d_inode(upper)))  in ovl_create_over_whiteout()
521 		err = ovl_do_rename(ofs, wdir, newdentry, udir, upper,  in ovl_create_over_whiteout()
526 		ovl_cleanup(ofs, wdir, upper);  in ovl_create_over_whiteout()
528 		err = ovl_do_rename(ofs, wdir, newdentry, udir, upper, 0);  in ovl_create_over_whiteout()
538 	dput(upper);  in ovl_create_over_whiteout()
741 static bool ovl_matches_upper(struct dentry *dentry, struct dentry *upper)  in ovl_matches_upper()  argument
743 	return d_inode(ovl_dentry_upper(dentry)) == d_inode(upper);  in ovl_matches_upper()
752 	struct dentry *upper;  in ovl_remove_and_whiteout()  local
770 	upper = ovl_lookup_upper(ofs, dentry->d_name.name, upperdir,  in ovl_remove_and_whiteout()
772 	err = PTR_ERR(upper);  in ovl_remove_and_whiteout()
773 	if (IS_ERR(upper))  in ovl_remove_and_whiteout()
777 	if ((opaquedir && upper != opaquedir) ||  in ovl_remove_and_whiteout()
779 	     !ovl_matches_upper(dentry, upper))) {  in ovl_remove_and_whiteout()
783 	err = ovl_cleanup_and_whiteout(ofs, d_inode(upperdir), upper);  in ovl_remove_and_whiteout()
791 	dput(upper);  in ovl_remove_and_whiteout()
806 	struct dentry *upper;  in ovl_remove_upper()  local
818 	upper = ovl_lookup_upper(ofs, dentry->d_name.name, upperdir,  in ovl_remove_upper()
820 	err = PTR_ERR(upper);  in ovl_remove_upper()
821 	if (IS_ERR(upper))  in ovl_remove_upper()
825 	if ((opaquedir && upper != opaquedir) ||  in ovl_remove_upper()
826 	    (!opaquedir && !ovl_matches_upper(dentry, upper)))  in ovl_remove_upper()
830 		err = ovl_do_rmdir(ofs, dir, upper);  in ovl_remove_upper()
832 		err = ovl_do_unlink(ofs, dir, upper);  in ovl_remove_upper()
844 	dput(upper);  in ovl_remove_upper()