50 	int err;  in ovl_copy_acl()  local
58 		err = PTR_ERR(real_acl);  in ovl_copy_acl()
59 		if (err == -ENODATA || err == -EOPNOTSUPP)  in ovl_copy_acl()
61 		return err;  in ovl_copy_acl()
69 	err = ovl_do_set_acl(ofs, dentry, acl_name, clone);  in ovl_copy_acl()
73 	return err;  in ovl_copy_acl()
177 	int err;  in ovl_copy_fileattr()  local
179 	err = ovl_real_fileattr_get(old, &oldfa);  in ovl_copy_fileattr()
180 	if (err) {  in ovl_copy_fileattr()
182 		if (err == -ENOTTY || err == -EINVAL)  in ovl_copy_fileattr()
185 			old->dentry, err);  in ovl_copy_fileattr()
186 		return err;  in ovl_copy_fileattr()
196 		err = ovl_set_protattr(inode, new->dentry, &oldfa);  in ovl_copy_fileattr()
197 		if (err == -EPERM)  in ovl_copy_fileattr()
199 		else if (err)  in ovl_copy_fileattr()
200 			return err;  in ovl_copy_fileattr()
207 	err = ovl_real_fileattr_get(new, &newfa);  in ovl_copy_fileattr()
208 	if (err) {  in ovl_copy_fileattr()
213 		if (err == -ENOTTY || err == -EINVAL) {  in ovl_copy_fileattr()
218 			new->dentry, err);  in ovl_copy_fileattr()
219 		return err;  in ovl_copy_fileattr()
351 	int err = 0;  in ovl_set_attr()  local
358 		err = ovl_do_notify_change(ofs, upperdentry, &attr);  in ovl_set_attr()
360 	if (!err) {  in ovl_set_attr()
366 		err = ovl_do_notify_change(ofs, upperdentry, &attr);  in ovl_set_attr()
368 	if (!err)  in ovl_set_attr()
371 	return err;  in ovl_set_attr()
381 	int err;  in ovl_encode_real_fh()  local
400 	err = -EIO;  in ovl_encode_real_fh()
426 	return ERR_PTR(err);  in ovl_encode_real_fh()
433 	int err;  in ovl_set_origin()  local
449 	err = ovl_check_setxattr(ofs, upper, OVL_XATTR_ORIGIN, fh->buf,  in ovl_set_origin()
454 	return err == -EPERM ? 0 : err;  in ovl_set_origin()
462 	int err;  in ovl_set_upper_fh()  local
468 	err = ovl_setxattr(ofs, index, OVL_XATTR_UPPER, fh->buf, fh->fb.len);  in ovl_set_upper_fh()
471 	return err;  in ovl_set_upper_fh()
488 	int err;  in ovl_create_index()  local
505 	err = ovl_get_index_name(ofs, origin, &name);  in ovl_create_index()
506 	if (err)  in ovl_create_index()
507 		return err;  in ovl_create_index()
510 	err = PTR_ERR(temp);  in ovl_create_index()
514 	err = ovl_set_upper_fh(ofs, upper, temp);  in ovl_create_index()
515 	if (err)  in ovl_create_index()
520 		err = PTR_ERR(index);  in ovl_create_index()
522 		err = ovl_do_rename(ofs, dir, temp, dir, index, 0);  in ovl_create_index()
526 	if (err)  in ovl_create_index()
531 	return err;  in ovl_create_index()
552 	int err;  in ovl_link_up()  local
559 	err = ovl_set_impure(c->parent, upperdir);  in ovl_link_up()
560 	if (err)  in ovl_link_up()
561 		return err;  in ovl_link_up()
563 	err = ovl_set_nlink_lower(c->dentry);  in ovl_link_up()
564 	if (err)  in ovl_link_up()
565 		return err;  in ovl_link_up()
570 	err = PTR_ERR(upper);  in ovl_link_up()
572 		err = ovl_do_link(ofs, ovl_dentry_upper(c->dentry), udir, upper);  in ovl_link_up()
575 		if (!err) {  in ovl_link_up()
583 	if (err)  in ovl_link_up()
584 		return err;  in ovl_link_up()
586 	err = ovl_set_nlink_upper(c->dentry);  in ovl_link_up()
588 	return err;  in ovl_link_up()
595 	int err;  in ovl_copy_up_data()  local
604 	err = ovl_copy_up_file(ofs, c->dentry, new_file, c->stat.size);  in ovl_copy_up_data()
607 	return err;  in ovl_copy_up_data()
615 	int err;  in ovl_copy_up_metadata()  local
617 	err = ovl_copy_xattr(c->dentry->d_sb, &c->lowerpath, temp);  in ovl_copy_up_metadata()
618 	if (err)  in ovl_copy_up_metadata()
619 		return err;  in ovl_copy_up_metadata()
627 		err = ovl_copy_fileattr(inode, &c->lowerpath, &upperpath);  in ovl_copy_up_metadata()
628 		if (err)  in ovl_copy_up_metadata()
629 			return err;  in ovl_copy_up_metadata()
640 		err = ovl_set_origin(ofs, c->lowerpath.dentry, temp);  in ovl_copy_up_metadata()
641 		if (err)  in ovl_copy_up_metadata()
642 			return err;  in ovl_copy_up_metadata()
652 		err = ovl_get_verity_digest(ofs, &lowerdatapath, &metacopy_data);  in ovl_copy_up_metadata()
653 		if (err)  in ovl_copy_up_metadata()
654 			return err;  in ovl_copy_up_metadata()
659 		err = ovl_set_metacopy_xattr(ofs, temp, &metacopy_data);  in ovl_copy_up_metadata()
660 		if (err)  in ovl_copy_up_metadata()
661 			return err;  in ovl_copy_up_metadata()
666 		err = ovl_set_size(ofs, temp, &c->stat);  in ovl_copy_up_metadata()
667 	if (!err)  in ovl_copy_up_metadata()
668 		err = ovl_set_attr(ofs, temp, &c->stat);  in ovl_copy_up_metadata()
671 	return err;  in ovl_copy_up_metadata()
681 	int err;  in ovl_prep_cu_creds()  local
684 	err = security_inode_copy_up(dentry, &cc->new);  in ovl_prep_cu_creds()
685 	if (err < 0)  in ovl_prep_cu_creds()
686 		return err;  in ovl_prep_cu_creds()
714 	int err;  in ovl_copy_up_workdir()  local
723 	err = -EIO;  in ovl_copy_up_workdir()
727 	err = ovl_prep_cu_creds(c->dentry, &cc);  in ovl_copy_up_workdir()
728 	if (err)  in ovl_copy_up_workdir()
734 	err = PTR_ERR(temp);  in ovl_copy_up_workdir()
743 	err = ovl_copy_up_data(c, &path);  in ovl_copy_up_workdir()
744 	if (err)  in ovl_copy_up_workdir()
747 	err = ovl_copy_up_metadata(c, temp);  in ovl_copy_up_workdir()
748 	if (err)  in ovl_copy_up_workdir()
752 		err = ovl_create_index(c->dentry, c->lowerpath.dentry, temp);  in ovl_copy_up_workdir()
753 		if (err)  in ovl_copy_up_workdir()
759 	err = PTR_ERR(upper);  in ovl_copy_up_workdir()
763 	err = ovl_do_rename(ofs, wdir, temp, udir, upper, 0);  in ovl_copy_up_workdir()
765 	if (err)  in ovl_copy_up_workdir()
783 	return err;  in ovl_copy_up_workdir()
799 	int err;  in ovl_copy_up_tmpfile()  local
801 	err = ovl_prep_cu_creds(c->dentry, &cc);  in ovl_copy_up_tmpfile()
802 	if (err)  in ovl_copy_up_tmpfile()
803 		return err;  in ovl_copy_up_tmpfile()
813 		err = ovl_copy_up_file(ofs, c->dentry, tmpfile, c->stat.size);  in ovl_copy_up_tmpfile()
814 		if (err)  in ovl_copy_up_tmpfile()
818 	err = ovl_copy_up_metadata(c, temp);  in ovl_copy_up_tmpfile()
819 	if (err)  in ovl_copy_up_tmpfile()
826 	err = PTR_ERR(upper);  in ovl_copy_up_tmpfile()
828 		err = ovl_do_link(ofs, temp, udir, upper);  in ovl_copy_up_tmpfile()
833 	if (err)  in ovl_copy_up_tmpfile()
848 	return err;  in ovl_copy_up_tmpfile()
862 	int err;  in ovl_do_copy_up()  local
885 		err = ovl_get_index_name(ofs, c->lowerpath.dentry, &c->destname);  in ovl_do_copy_up()
886 		if (err)  in ovl_do_copy_up()
887 			return err;  in ovl_do_copy_up()
896 		err = ovl_set_impure(c->parent, c->destdir);  in ovl_do_copy_up()
897 		if (err)  in ovl_do_copy_up()
898 			return err;  in ovl_do_copy_up()
903 		err = ovl_copy_up_tmpfile(c);  in ovl_do_copy_up()
905 		err = ovl_copy_up_workdir(c);  in ovl_do_copy_up()
906 	if (err)  in ovl_do_copy_up()
914 		err = ovl_set_nlink_upper(c->dentry);  in ovl_do_copy_up()
930 	return err;  in ovl_do_copy_up()
991 	int err;  in ovl_copy_up_meta_inode_data()  local
1000 		err = cap_size = ovl_getxattr_value(&upperpath, XATTR_NAME_CAPS,  in ovl_copy_up_meta_inode_data()
1006 	err = ovl_copy_up_data(c, &upperpath);  in ovl_copy_up_meta_inode_data()
1007 	if (err)  in ovl_copy_up_meta_inode_data()
1015 		err = ovl_do_setxattr(ofs, upperpath.dentry, XATTR_NAME_CAPS,  in ovl_copy_up_meta_inode_data()
1017 		if (err)  in ovl_copy_up_meta_inode_data()
1022 	err = ovl_removexattr(ofs, upperpath.dentry, OVL_XATTR_METACOPY);  in ovl_copy_up_meta_inode_data()
1023 	if (err)  in ovl_copy_up_meta_inode_data()
1032 	return err;  in ovl_copy_up_meta_inode_data()
1038 	int err;  in ovl_copy_up_one()  local
1051 	err = vfs_getattr(&ctx.lowerpath, &ctx.stat,  in ovl_copy_up_one()
1053 	if (err)  in ovl_copy_up_one()
1054 		return err;  in ovl_copy_up_one()
1067 		err = vfs_getattr(&parentpath, &ctx.pstat,  in ovl_copy_up_one()
1070 		if (err)  in ovl_copy_up_one()
1071 			return err;  in ovl_copy_up_one()
1084 	err = ovl_copy_up_start(dentry, flags);  in ovl_copy_up_one()
1086 	if (unlikely(err)) {  in ovl_copy_up_one()
1087 		if (err > 0)  in ovl_copy_up_one()
1088 			err = 0;  in ovl_copy_up_one()
1091 			err = ovl_do_copy_up(&ctx);  in ovl_copy_up_one()
1092 		if (!err && parent && !ovl_dentry_has_upper_alias(dentry))  in ovl_copy_up_one()
1093 			err = ovl_link_up(&ctx);  in ovl_copy_up_one()
1094 		if (!err && ovl_dentry_needs_data_copy_up_locked(dentry, flags))  in ovl_copy_up_one()
1095 			err = ovl_copy_up_meta_inode_data(&ctx);  in ovl_copy_up_one()
1100 	return err;  in ovl_copy_up_one()
1105 	int err = 0;  in ovl_copy_up_flags()  local
1122 	err = ovl_verify_lowerdata(dentry);  in ovl_copy_up_flags()
1123 	if (err)  in ovl_copy_up_flags()
1124 		return err;  in ovl_copy_up_flags()
1127 	while (!err) {  in ovl_copy_up_flags()
1146 		err = ovl_copy_up_one(parent, next, flags);  in ovl_copy_up_flags()
1153 	return err;  in ovl_copy_up_flags()
1173 	int err = 0;  in ovl_maybe_copy_up()  local
1176 		err = ovl_want_write(dentry);  in ovl_maybe_copy_up()
1177 		if (!err) {  in ovl_maybe_copy_up()
1178 			err = ovl_copy_up_flags(dentry, flags);  in ovl_maybe_copy_up()
1183 	return err;  in ovl_maybe_copy_up()