232 static int ovl_set_opaque_xerr(struct dentry *dentry, struct dentry *upper,  in ovl_set_opaque_xerr()  argument
238 	err = ovl_check_setxattr(ofs, upper, OVL_XATTR_OPAQUE, "y", 1, xerr);  in ovl_set_opaque_xerr()
368 	struct dentry *upper;  in ovl_clear_empty()  local
389 	upper = upperpath.dentry;  in ovl_clear_empty()
390 	if (upper->d_parent->d_inode != udir)  in ovl_clear_empty()
398 	err = ovl_copy_xattr(dentry->d_sb, upper, opaquedir);  in ovl_clear_empty()
412 	err = ovl_do_rename(wdir, opaquedir, udir, upper, RENAME_EXCHANGE);  in ovl_clear_empty()
416 	ovl_cleanup_whiteouts(upper, list);  in ovl_clear_empty()
417 	ovl_cleanup(wdir, upper);  in ovl_clear_empty()
466 	struct dentry *upper;  in ovl_create_over_whiteout()  local
486 	upper = lookup_one_len(dentry->d_name.name, upperdir,  in ovl_create_over_whiteout()
488 	err = PTR_ERR(upper);  in ovl_create_over_whiteout()
489 	if (IS_ERR(upper))  in ovl_create_over_whiteout()
493 	if (d_is_negative(upper) || !IS_WHITEOUT(d_inode(upper)))  in ovl_create_over_whiteout()
534 		err = ovl_do_rename(wdir, newdentry, udir, upper,  in ovl_create_over_whiteout()
539 		ovl_cleanup(wdir, upper);  in ovl_create_over_whiteout()
541 		err = ovl_do_rename(wdir, newdentry, udir, upper, 0);  in ovl_create_over_whiteout()
551 	dput(upper);  in ovl_create_over_whiteout()
757 static bool ovl_matches_upper(struct dentry *dentry, struct dentry *upper)  in ovl_matches_upper()  argument
759 	return d_inode(ovl_dentry_upper(dentry)) == d_inode(upper);  in ovl_matches_upper()
768 	struct dentry *upper;  in ovl_remove_and_whiteout()  local
786 	upper = lookup_one_len(dentry->d_name.name, upperdir,  in ovl_remove_and_whiteout()
788 	err = PTR_ERR(upper);  in ovl_remove_and_whiteout()
789 	if (IS_ERR(upper))  in ovl_remove_and_whiteout()
793 	if ((opaquedir && upper != opaquedir) ||  in ovl_remove_and_whiteout()
795 	     !ovl_matches_upper(dentry, upper))) {  in ovl_remove_and_whiteout()
799 	err = ovl_cleanup_and_whiteout(ofs, d_inode(upperdir), upper);  in ovl_remove_and_whiteout()
807 	dput(upper);  in ovl_remove_and_whiteout()
821 	struct dentry *upper;  in ovl_remove_upper()  local
833 	upper = lookup_one_len(dentry->d_name.name, upperdir,  in ovl_remove_upper()
835 	err = PTR_ERR(upper);  in ovl_remove_upper()
836 	if (IS_ERR(upper))  in ovl_remove_upper()
840 	if ((opaquedir && upper != opaquedir) ||  in ovl_remove_upper()
841 	    (!opaquedir && !ovl_matches_upper(dentry, upper)))  in ovl_remove_upper()
845 		err = vfs_rmdir(&init_user_ns, dir, upper);  in ovl_remove_upper()
847 		err = vfs_unlink(&init_user_ns, dir, upper, NULL);  in ovl_remove_upper()
859 	dput(upper);  in ovl_remove_upper()