1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# 24# Copyright 2008 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28. $STF_SUITE/include/libtest.shlib 29 30# 31# DESCRIPTION: 32# Long name filesystem with snapshot should not break ZFS. 33# 34# STRATEGY: 35# 1. Create filesystem and snapshot. 36# 2. When the snapshot length is 256, rename the filesystem. 37# 3. Verify it does not break ZFS 38# 39 40verify_runnable "both" 41 42function cleanup 43{ 44 if datasetexists $initfs ; then 45 log_must $ZFS destroy -rf $initfs 46 fi 47} 48 49log_assert "Verify long name filesystem with snapshot should not break ZFS." 50log_onexit cleanup 51 52initfs=$TESTPOOL/$TESTFS/$TESTFS 53basefs=$initfs 54typeset -i ret=0 len snaplen 55while ((ret == 0)); do 56 $ZFS create $basefs 57 $ZFS snapshot $basefs@snap1 58 ret=$? 59 60 if ((ret != 0)); then 61 len=$($ECHO $basefs | $WC -c) 62 log_note "The deeply-nested filesystem len: $len" 63 64 # 65 # Make sure there are at lease 2 characters left 66 # for snapshot name space, otherwise snapshot name 67 # is incorrect 68 # 69 if ((len >= 255)); then 70 if datasetexists $basefs; then 71 log_must $ZFS destroy -r $basefs 72 fi 73 basefs=${basefs%/*} 74 len=$($ECHO $basefs| $WC -c) 75 fi 76 break 77 fi 78 79 basefs=$basefs/$TESTFS 80done 81 82# Make snapshot name length match the longest one 83((snaplen = 256 - len - 1)) # 1: @ 84snap=$(gen_dataset_name $snaplen "s") 85log_must $ZFS snapshot $basefs@$snap 86 87log_mustnot $ZFS rename $basefs ${basefs}a 88log_mustnot $ZFS rename $basefs ${basefs}-new 89log_mustnot $ZFS rename $initfs ${initfs}-new 90log_mustnot $ZFS rename $TESTPOOL/$TESTFS $TESTPOOL/$TESTFS-new 91 92log_pass "Verify long name filesystem with snapshot should not break ZFS." 93