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 2007 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28# 29# Copyright (c) 2013 by Delphix. All rights reserved. 30# 31 32. $STF_SUITE/include/libtest.shlib 33 34# 35# DESCRIPTION: 36# With 'compression' or 'compress' set, changing filesystem blocksize cannot 37# cause system panic 38# 39# STRATEGY: 40# 1. Set 'compression' or "compress" to on 41# 2. Set different blocksize with ZFS filesystem 42# 3. Use 'mkfile' create single block and multi-block files 43# 4. Verify the system continued work 44# 45 46verify_runnable "both" 47 48function cleanup 49{ 50 $RM -f $TESTDIR/* 51} 52 53log_assert "Changing blocksize doesn't casue system panic with compression settings" 54log_onexit cleanup 55 56fs=$TESTPOOL/$TESTFS 57single_blk_file=$TESTDIR/singleblkfile.$$ 58multi_blk_file=$TESTDIR/multiblkfile.$$ 59typeset -i blksize=512 60typeset -i fsize=0 61typeset -i offset=0 62 63for propname in "compression" "compress" 64do 65 for value in $(get_compress_opts zfs_compress) 66 do 67 log_must $ZFS set $propname=$value $fs 68 if [[ $value == "gzip-6" ]]; then 69 value="gzip" 70 fi 71 real_val=$(get_prop $propname $fs) 72 [[ $real_val != $value ]] && \ 73 log_fail "Set property $propname=$value failed." 74 75 (( blksize = 512 )) 76 while (( blksize <= 131072 )); do 77 log_must $ZFS set recordsize=$blksize $fs 78 (( offset = $RANDOM )) 79 if (( offset > blksize )); then 80 (( offset = offset % blksize )) 81 fi 82 if (( (offset % 2) == 0 )); then 83 #keep offset as non-power-of-2 84 (( offset = offset + 1 )) 85 fi 86 (( fsize = offset )) 87 log_must $MKFILE $fsize $single_blk_file 88 (( fsize = blksize + offset )) 89 log_must $MKFILE $fsize $multi_blk_file 90 91 (( blksize = blksize * 2 )) 92 done 93 done 94done 95 96log_pass "The system works as expected while changing blocksize with compression settings" 97