257 static int ovl_set_opaque_xerr(struct dentry *dentry, struct dentry *upper,  in ovl_set_opaque_xerr()  argument
263 	err = ovl_check_setxattr(ofs, upper, OVL_XATTR_OPAQUE, "y", 1, xerr);  in ovl_set_opaque_xerr()
392 	struct dentry *upper;  in ovl_clear_empty()  local
409 	upper = upperpath.dentry;  in ovl_clear_empty()
420 	err = start_renaming_two_dentries(&rd, opaquedir, upper);  in ovl_clear_empty()
443 	ovl_cleanup_whiteouts(ofs, upper, list);  in ovl_clear_empty()
444 	ovl_cleanup(ofs, workdir, upper);  in ovl_clear_empty()
476 	struct dentry *upper;  in ovl_create_over_whiteout()  local
492 	upper = ovl_lookup_upper_unlocked(ofs, dentry->d_name.name, upperdir,  in ovl_create_over_whiteout()
494 	err = PTR_ERR(upper);  in ovl_create_over_whiteout()
495 	if (IS_ERR(upper))  in ovl_create_over_whiteout()
499 	if (d_is_negative(upper) || !ovl_upper_is_whiteout(ofs, upper))  in ovl_create_over_whiteout()
511 	err = start_renaming_two_dentries(&rd, newdentry, upper);  in ovl_create_over_whiteout()
554 		ovl_cleanup(ofs, workdir, upper);  in ovl_create_over_whiteout()
568 	dput(upper);  in ovl_create_over_whiteout()
792 static bool ovl_matches_upper(struct dentry *dentry, struct dentry *upper)  in ovl_matches_upper()  argument
794 	return d_inode(ovl_dentry_upper(dentry)) == d_inode(upper);  in ovl_matches_upper()
803 	struct dentry *upper;  in ovl_remove_and_whiteout()  local
817 	upper = ovl_lookup_upper_unlocked(ofs, dentry->d_name.name, upperdir,  in ovl_remove_and_whiteout()
819 	err = PTR_ERR(upper);  in ovl_remove_and_whiteout()
820 	if (IS_ERR(upper))  in ovl_remove_and_whiteout()
824 	if ((opaquedir && upper != opaquedir) ||  in ovl_remove_and_whiteout()
826 	     !ovl_matches_upper(dentry, upper))) {  in ovl_remove_and_whiteout()
830 	err = ovl_cleanup_and_whiteout(ofs, upperdir, upper);  in ovl_remove_and_whiteout()
836 	dput(upper);  in ovl_remove_and_whiteout()
849 	struct dentry *upper;  in ovl_remove_upper()  local
860 	upper = ovl_start_removing_upper(ofs, upperdir,  in ovl_remove_upper()
863 	err = PTR_ERR(upper);  in ovl_remove_upper()
864 	if (IS_ERR(upper))  in ovl_remove_upper()
868 	if ((opaquedir && upper != opaquedir) ||  in ovl_remove_upper()
869 	    (!opaquedir && !ovl_matches_upper(dentry, upper)))  in ovl_remove_upper()
873 		err = ovl_do_rmdir(ofs, dir, upper);  in ovl_remove_upper()
875 		err = ovl_do_unlink(ofs, dir, upper);  in ovl_remove_upper()
887 	end_removing(upper);  in ovl_remove_upper()