19 	int err;  in ovl_cleanup()  local
23 		err = ovl_do_rmdir(wdir, wdentry);  in ovl_cleanup()
25 		err = ovl_do_unlink(wdir, wdentry);  in ovl_cleanup()
28 	if (err) {  in ovl_cleanup()
30 		       wdentry, err);  in ovl_cleanup()
55 	int err;  in ovl_whiteout()  local
63 	err = ovl_do_whiteout(wdir, whiteout);  in ovl_whiteout()
64 	if (err) {  in ovl_whiteout()
66 		whiteout = ERR_PTR(err);  in ovl_whiteout()
76 	int err;  in ovl_create_real()  local
82 		err = ovl_do_link(hardlink, dir, newdentry, debug);  in ovl_create_real()
86 			err = ovl_do_create(dir, newdentry, stat->mode, debug);  in ovl_create_real()
90 			err = ovl_do_mkdir(dir, newdentry, stat->mode, debug);  in ovl_create_real()
97 			err = ovl_do_mknod(dir, newdentry,  in ovl_create_real()
102 			err = ovl_do_symlink(dir, newdentry, link, debug);  in ovl_create_real()
106 			err = -EPERM;  in ovl_create_real()
109 	if (!err && WARN_ON(!newdentry->d_inode)) {  in ovl_create_real()
114 		err = -ENOENT;  in ovl_create_real()
116 	return err;  in ovl_create_real()
126 	int err;  in ovl_remove_opaque()  local
128 	err = ovl_do_removexattr(upperdentry, OVL_XATTR_OPAQUE);  in ovl_remove_opaque()
129 	if (err) {  in ovl_remove_opaque()
131 			upperdentry->d_name.name, err);  in ovl_remove_opaque()
138 	int err;  in ovl_dir_getattr()  local
143 	err = vfs_getattr(&realpath, stat);  in ovl_dir_getattr()
144 	if (err)  in ovl_dir_getattr()
145 		return err;  in ovl_dir_getattr()
168 	int err;  in ovl_create_upper()  local
173 	err = PTR_ERR(newdentry);  in ovl_create_upper()
176 	err = ovl_create_real(udir, newdentry, stat, link, hardlink, false);  in ovl_create_upper()
177 	if (err)  in ovl_create_upper()
189 	return err;  in ovl_create_upper()
197 		goto err;  in ovl_lock_rename_workdir()
207 err:  in ovl_lock_rename_workdir()
223 	int err;  in ovl_clear_empty()  local
228 	err = ovl_lock_rename_workdir(workdir, upperdir);  in ovl_clear_empty()
229 	if (err)  in ovl_clear_empty()
233 	err = vfs_getattr(&upperpath, &stat);  in ovl_clear_empty()
234 	if (err)  in ovl_clear_empty()
237 	err = -ESTALE;  in ovl_clear_empty()
245 	err = PTR_ERR(opaquedir);  in ovl_clear_empty()
249 	err = ovl_create_real(wdir, opaquedir, &stat, NULL, NULL, true);  in ovl_clear_empty()
250 	if (err)  in ovl_clear_empty()
253 	err = ovl_copy_xattr(upper, opaquedir);  in ovl_clear_empty()
254 	if (err)  in ovl_clear_empty()
257 	err = ovl_set_opaque(opaquedir);  in ovl_clear_empty()
258 	if (err)  in ovl_clear_empty()
262 	err = ovl_set_attr(opaquedir, &stat);  in ovl_clear_empty()
264 	if (err)  in ovl_clear_empty()
267 	err = ovl_do_rename(wdir, opaquedir, udir, upper, RENAME_EXCHANGE);  in ovl_clear_empty()
268 	if (err)  in ovl_clear_empty()
287 	return ERR_PTR(err);  in ovl_clear_empty()
292 	int err;  in ovl_check_empty_and_clear()  local
296 	err = ovl_check_empty_dir(dentry, &list);  in ovl_check_empty_and_clear()
297 	if (err)  in ovl_check_empty_and_clear()
298 		ret = ERR_PTR(err);  in ovl_check_empty_and_clear()
326 	int err;  in ovl_create_over_whiteout()  local
331 	err = ovl_lock_rename_workdir(workdir, upperdir);  in ovl_create_over_whiteout()
332 	if (err)  in ovl_create_over_whiteout()
336 	err = PTR_ERR(newdentry);  in ovl_create_over_whiteout()
342 	err = PTR_ERR(upper);  in ovl_create_over_whiteout()
346 	err = ovl_create_real(wdir, newdentry, stat, link, hardlink, true);  in ovl_create_over_whiteout()
347 	if (err)  in ovl_create_over_whiteout()
351 		err = ovl_set_opaque(newdentry);  in ovl_create_over_whiteout()
352 		if (err)  in ovl_create_over_whiteout()
355 		err = ovl_do_rename(wdir, newdentry, udir, upper,  in ovl_create_over_whiteout()
357 		if (err)  in ovl_create_over_whiteout()
362 		err = ovl_do_rename(wdir, newdentry, udir, upper, 0);  in ovl_create_over_whiteout()
363 		if (err)  in ovl_create_over_whiteout()
378 	return err;  in ovl_create_over_whiteout()
388 	int err;  in ovl_create_or_link()  local
395 	err = -ENOMEM;  in ovl_create_or_link()
400 	err = ovl_copy_up(dentry->d_parent);  in ovl_create_or_link()
401 	if (err)  in ovl_create_or_link()
405 		err = ovl_create_upper(dentry, inode, &stat, link, hardlink);  in ovl_create_or_link()
410 		err = -ENOMEM;  in ovl_create_or_link()
425 		err = ovl_create_over_whiteout(dentry, inode, &stat, link,  in ovl_create_or_link()
432 	if (!err)  in ovl_create_or_link()
437 	return err;  in ovl_create_or_link()
443 	int err;  in ovl_create_object()  local
445 	err = ovl_want_write(dentry);  in ovl_create_object()
446 	if (!err) {  in ovl_create_object()
447 		err = ovl_create_or_link(dentry, mode, rdev, link, NULL);  in ovl_create_object()
451 	return err;  in ovl_create_object()
484 	int err;  in ovl_link()  local
487 	err = ovl_want_write(old);  in ovl_link()
488 	if (err)  in ovl_link()
491 	err = ovl_copy_up(old);  in ovl_link()
492 	if (err)  in ovl_link()
496 	err = ovl_create_or_link(new, upper->d_inode->i_mode, 0, NULL, upper);  in ovl_link()
501 	return err;  in ovl_link()
513 	int err;  in ovl_remove_and_whiteout()  local
521 			err = PTR_ERR(opaquedir);  in ovl_remove_and_whiteout()
532 			err = ovl_check_empty_dir(dentry, &list);  in ovl_remove_and_whiteout()
534 			if (err)  in ovl_remove_and_whiteout()
539 	err = ovl_lock_rename_workdir(workdir, upperdir);  in ovl_remove_and_whiteout()
540 	if (err)  in ovl_remove_and_whiteout()
544 	err = PTR_ERR(whiteout);  in ovl_remove_and_whiteout()
552 		err = PTR_ERR(upper);  in ovl_remove_and_whiteout()
556 		err = ovl_do_rename(wdir, whiteout, udir, upper, 0);  in ovl_remove_and_whiteout()
558 		if (err)  in ovl_remove_and_whiteout()
565 		err = -ESTALE;  in ovl_remove_and_whiteout()
572 		err = ovl_do_rename(wdir, whiteout, udir, upper, flags);  in ovl_remove_and_whiteout()
573 		if (err)  in ovl_remove_and_whiteout()
588 	return err;  in ovl_remove_and_whiteout()
600 	int err;  in ovl_remove_upper()  local
603 	err = -ESTALE;  in ovl_remove_upper()
608 			err = vfs_rmdir(dir, upper);  in ovl_remove_upper()
610 			err = vfs_unlink(dir, upper, NULL);  in ovl_remove_upper()
621 	if (!err)  in ovl_remove_upper()
625 	return err;  in ovl_remove_upper()
642 	int err;  in ovl_do_remove()  local
644 	err = ovl_check_sticky(dentry);  in ovl_do_remove()
645 	if (err)  in ovl_do_remove()
648 	err = ovl_want_write(dentry);  in ovl_do_remove()
649 	if (err)  in ovl_do_remove()
652 	err = ovl_copy_up(dentry->d_parent);  in ovl_do_remove()
653 	if (err)  in ovl_do_remove()
658 		err = ovl_remove_upper(dentry, is_dir);  in ovl_do_remove()
663 		err = -ENOMEM;  in ovl_do_remove()
682 		err = ovl_remove_and_whiteout(dentry, is_dir);  in ovl_do_remove()
690 	return err;  in ovl_do_remove()
707 	int err;  in ovl_rename2()  local
726 	err = -EINVAL;  in ovl_rename2()
732 	err = ovl_check_sticky(old);  in ovl_rename2()
733 	if (err)  in ovl_rename2()
738 	err = -EXDEV;  in ovl_rename2()
743 		err = ovl_check_sticky(new);  in ovl_rename2()
744 		if (err)  in ovl_rename2()
751 		err = -EXDEV;  in ovl_rename2()
755 		err = 0;  in ovl_rename2()
773 	err = ovl_want_write(old);  in ovl_rename2()
774 	if (err)  in ovl_rename2()
777 	err = ovl_copy_up(old);  in ovl_rename2()
778 	if (err)  in ovl_rename2()
781 	err = ovl_copy_up(new->d_parent);  in ovl_rename2()
782 	if (err)  in ovl_rename2()
785 		err = ovl_copy_up(new);  in ovl_rename2()
786 		if (err)  in ovl_rename2()
794 		err = -ENOMEM;  in ovl_rename2()
816 		err = PTR_ERR(opaquedir);  in ovl_rename2()
856 		err = PTR_ERR(newdentry);  in ovl_rename2()
861 	err = -ESTALE;  in ovl_rename2()
872 		err = ovl_set_opaque(olddentry);  in ovl_rename2()
873 		if (err)  in ovl_rename2()
877 		err = ovl_set_opaque(newdentry);  in ovl_rename2()
878 		if (err)  in ovl_rename2()
883 		err = ovl_do_rename(old_upperdir->d_inode, olddentry,  in ovl_rename2()
889 		err = vfs_rename(old_upperdir->d_inode, olddentry,  in ovl_rename2()
894 	if (err) {  in ovl_rename2()
939 	return err;  in ovl_rename2()