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 https://opensource.org/licenses/CDDL-1.0. 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 (c) 2021 by Nutanix. All rights reserved. 25# 26 27. $STF_SUITE/tests/functional/slog/slog.kshlib 28 29# 30# DESCRIPTION: 31# Verify saxattr logging in to ZIL works 32# 33# STRATEGY: 34# 1. Create an empty file system (TESTFS) 35# 2. Freeze TESTFS 36# 3. Create Xattrs. 37# 4. Unmount filesystem 38# <at this stage TESTFS is empty again and unfrozen, and the 39# intent log contains a complete set of deltas to replay it> 40# 5. Remount TESTFS <which replays the intent log> 41# 6. Check xattrs. 42# 43 44verify_runnable "global" 45 46function cleanup_testenv 47{ 48 cleanup 49 log_must set_tunable32 ZIL_SAXATTR $orig_zil_saxattr 50} 51 52log_assert "Verify saxattr logging in to ZIL works" 53 54orig_zil_saxattr=$(get_tunable ZIL_SAXATTR) 55 56log_onexit cleanup_testenv 57log_must setup 58 59NFILES=10 60function validate_zil_saxattr 61{ 62 saxattrzil=$1 63 if [ "$2" == "disabled" ]; then 64 zilsaxattr_feature_disabled=1 65 zpoolcreateflags="-ofeature@zilsaxattr=disabled" 66 else 67 zilsaxattr_feature_disabled=0 68 zpoolcreateflags="" 69 fi 70 71 log_must set_tunable32 ZIL_SAXATTR $saxattrzil 72 73 # 74 # 1. Create an empty file system (TESTFS) 75 # 76 log_must zpool create $zpoolcreateflags $TESTPOOL $VDEV log mirror $LDEV 77 log_must zfs set compression=on $TESTPOOL 78 log_must zfs create -o xattr=sa $TESTPOOL/$TESTFS 79 log_must mkdir -p $TESTDIR 80 81 # 82 # This dd command works around an issue where ZIL records aren't created 83 # after freezing the pool unless a ZIL header already exists. Create a 84 # file synchronously to force ZFS to write one out. 85 # 86 log_must dd if=/dev/zero of=/$TESTPOOL/$TESTFS/sync \ 87 conv=fdatasync,fsync bs=1 count=1 88 89 # 90 # 2. Freeze TESTFS 91 # 92 log_must zpool freeze $TESTPOOL 93 94 rm /$TESTPOOL/$TESTFS/sync 95 # 96 # 3. Create xattrs 97 # 98 for i in $(seq $NFILES); do 99 log_must mkdir /$TESTPOOL/$TESTFS/xattr.d.$i 100 log_must set_xattr test test /$TESTPOOL/$TESTFS/xattr.d.$i 101 102 log_must touch /$TESTPOOL/$TESTFS/xattr.f.$i 103 log_must set_xattr test test /$TESTPOOL/$TESTFS/xattr.f.$i 104 done 105 106 # 107 # 4. Unmount filesystem and export the pool 108 # 109 # At this stage TESTFS is empty again and unfrozen, and the 110 # intent log contains a complete set of deltas to replay it. 111 # 112 log_must zfs unmount /$TESTPOOL/$TESTFS 113 114 log_note "Verify transactions to replay:" 115 log_must zdb -iv $TESTPOOL/$TESTFS 116 117 log_must zpool export $TESTPOOL 118 119 # 120 # 5. Remount TESTFS <which replays the intent log> 121 # 122 # Import the pool to unfreeze it and claim log blocks. It has to be 123 # `zpool import -f` because we can't write a frozen pool's labels! 124 # 125 log_must zpool import -f -d $VDIR $TESTPOOL 126 127 # 128 # 6. Verify Xattr 129 # If zilsaxattr_feature_disabled=1 or saxattrzil=0, then xattr=sa 130 # logging in ZIL is not enabled, So, xattrs would be lost. 131 # If zilsaxattr_feature_disabled=0 and saxattrzil=1, then xattr=sa 132 # logging in ZIL is enabled, So, xattrs shouldn't be lost. 133 # 134 for i in $(seq $NFILES); do 135 if [ $zilsaxattr_feature_disabled -eq 1 -o \ 136 $saxattrzil -eq 0 ]; then 137 log_mustnot get_xattr test /$TESTPOOL/$TESTFS/xattr.d.$i 138 log_mustnot get_xattr test /$TESTPOOL/$TESTFS/xattr.f.$i 139 else 140 log_must get_xattr test /$TESTPOOL/$TESTFS/xattr.d.$i 141 log_must get_xattr test /$TESTPOOL/$TESTFS/xattr.f.$i 142 fi 143 done 144 145 cleanup 146 log_must setup 147} 148 149 150#Validate zilsaxattr feature enabled. 151validate_zil_saxattr 0 152validate_zil_saxattr 1 153#Validate zilsaxattr feature disabled. 154validate_zil_saxattr 0 disabled 155validate_zil_saxattr 1 disabled 156 157log_pass "Verify saxattr logging in to ZIL works" 158