#!/bin/ksh -p # # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright 2008 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # # Copyright (c) 2016 by Delphix. All rights reserved. # . $STF_SUITE/include/libtest.shlib # # DESCRIPTION: # Long name filesystem with snapshot should not break ZFS. # # STRATEGY: # 1. Create filesystem and snapshot. # 2. When the snapshot length is 256, rename the filesystem. # 3. Verify it does not break ZFS # verify_runnable "both" function cleanup { if datasetexists $initfs ; then log_must zfs destroy -rf $initfs fi } log_assert "Verify long name filesystem with snapshot should not break ZFS." log_onexit cleanup initfs=$TESTPOOL/$TESTFS/$TESTFS basefs=$initfs typeset -i ret=0 len snaplen while ((ret == 0)); do zfs create $basefs zfs snapshot $basefs@snap1 ret=$? if ((ret != 0)); then len=$(echo $basefs | wc -c) log_note "The deeply-nested filesystem len: $len" # # Make sure there are at lease 2 characters left # for snapshot name space, otherwise snapshot name # is incorrect # if ((len >= 255)); then if datasetexists $basefs; then log_must zfs destroy -r $basefs fi basefs=${basefs%/*} len=$(echo $basefs| wc -c) fi break fi basefs=$basefs/$TESTFS done # Make snapshot name length match the longest one ((snaplen = 256 - len - 1)) # 1: @ snap=$(gen_dataset_name $snaplen "s") log_must zfs snapshot $basefs@$snap log_mustnot zfs rename $basefs ${basefs}a log_mustnot zfs rename $basefs ${basefs}-new log_mustnot zfs rename $initfs ${initfs}-new log_mustnot zfs rename $TESTPOOL/$TESTFS $TESTPOOL/$TESTFS-new log_pass "Verify long name filesystem with snapshot should not break ZFS."