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) 2023, Kay Pedersen <mail@mkwg.de> 25# 26 27. $STF_SUITE/include/libtest.shlib 28. $STF_SUITE/tests/functional/block_cloning/block_cloning.kshlib 29 30verify_runnable "global" 31 32if [[ $(linux_version) -lt $(linux_version "5.3") ]]; then 33 log_unsupported "copy_file_range can't copy cross-filesystem before Linux 5.3" 34fi 35 36claim="Block cloning across encrypted datasets." 37 38log_assert $claim 39 40DS1="$TESTPOOL/encrypted1" 41DS2="$TESTPOOL/encrypted2" 42DS1_NC="$TESTPOOL/notcrypted1" 43PASSPHRASE="top_secret" 44 45function prepare_enc 46{ 47 log_must zpool create -o feature@block_cloning=enabled $TESTPOOL $DISKS 48 log_must eval "echo $PASSPHRASE | zfs create -o encryption=on" \ 49 "-o keyformat=passphrase -o keylocation=prompt $DS1" 50 log_must eval "echo $PASSPHRASE | zfs create -o encryption=on" \ 51 "-o keyformat=passphrase -o keylocation=prompt $DS2" 52 log_must zfs create $DS1/child1 53 log_must zfs create $DS1/child2 54 log_must zfs create $DS1_NC 55 56 log_note "Create test file" 57 # we must wait until the src file txg is written to the disk otherwise we 58 # will fallback to normal copy. See "dmu_read_l0_bps" in 59 # "zfs/module/zfs/dmu.c" and "zfs_clone_range" in 60 # "zfs/module/zfs/zfs_vnops.c" 61 log_must dd if=/dev/urandom of=/$DS1/file bs=128K count=4 62 log_must dd if=/dev/urandom of=/$DS1/child1/file bs=128K count=4 63 log_must dd if=/dev/urandom of=/$DS1_NC/file bs=128K count=4 64 log_must sync_pool $TESTPOOL 65} 66 67function cleanup_enc 68{ 69 datasetexists $TESTPOOL && destroy_pool $TESTPOOL 70} 71 72function clone_and_check 73{ 74 I_FILE="$1" 75 O_FILE=$2 76 I_DS=$3 77 O_DS=$4 78 SAME_BLOCKS=$5 79 # the CLONE option provides a choice between copy_file_range 80 # which should clone and a dd which is a copy no matter what 81 CLONE=$6 82 SNAPSHOT=$7 83 if [ ${#SNAPSHOT} -gt 0 ]; then 84 I_FILE=".zfs/snapshot/$SNAPSHOT/$1" 85 fi 86 if [ $CLONE ]; then 87 log_must clonefile -f "/$I_DS/$I_FILE" "/$O_DS/$O_FILE" 0 0 524288 88 else 89 log_must dd if="/$I_DS/$I_FILE" of="/$O_DS/$O_FILE" bs=128K 90 fi 91 log_must sync_pool $TESTPOOL 92 93 log_must have_same_content "/$I_DS/$I_FILE" "/$O_DS/$O_FILE" 94 95 if [ ${#SNAPSHOT} -gt 0 ]; then 96 I_DS="$I_DS@$SNAPSHOT" 97 I_FILE="$1" 98 fi 99 typeset blocks=$(get_same_blocks \ 100 $I_DS $I_FILE $O_DS $O_FILE $PASSPHRASE) 101 log_must [ "$blocks" = "$SAME_BLOCKS" ] 102} 103 104log_onexit cleanup_enc 105 106prepare_enc 107 108log_note "Cloning entire file with copy_file_range across different enc" \ 109 "roots, should fallback" 110# we are expecting no same block map. 111clone_and_check "file" "clone" $DS1 $DS2 "" true 112log_note "check if the file is still readable and the same after" \ 113 "unmount and key unload, shouldn't fail" 114typeset hash1=$(md5digest "/$DS1/file") 115log_must zfs umount $DS1 && zfs unload-key $DS1 116typeset hash2=$(md5digest "/$DS2/clone") 117log_must [ "$hash1" = "$hash2" ] 118 119cleanup_enc 120prepare_enc 121 122log_note "Cloning entire file with copy_file_range across different child datasets" 123# clone shouldn't work because of deriving a new master key for the child 124# we are expecting no same block map. 125clone_and_check "file" "clone" $DS1 "$DS1/child1" "" true 126clone_and_check "file" "clone" "$DS1/child1" "$DS1/child2" "" true 127 128cleanup_enc 129prepare_enc 130 131log_note "Copying entire file with copy_file_range across same snapshot" 132log_must zfs snapshot -r $DS1@s1 133log_must sync_pool $TESTPOOL 134log_must rm -f "/$DS1/file" 135log_must sync_pool $TESTPOOL 136clone_and_check "file" "clone" "$DS1" "$DS1" "0 1 2 3" true "s1" 137 138cleanup_enc 139prepare_enc 140 141log_note "Copying entire file with copy_file_range across different snapshot" 142clone_and_check "file" "file" $DS1 $DS2 "" true 143log_must zfs snapshot -r $DS2@s1 144log_must sync_pool $TESTPOOL 145log_must rm -f "/$DS1/file" "/$DS2/file" 146log_must sync_pool $TESTPOOL 147clone_and_check "file" "clone" "$DS2" "$DS1" "" true "s1" 148typeset hash1=$(md5digest "/$DS1/.zfs/snapshot/s1/file") 149log_note "destroy the snapshot and check if the file is still readable and" \ 150 "has the same content" 151log_must zfs destroy -r $DS2@s1 152log_must sync_pool $TESTPOOL 153typeset hash2=$(md5digest "/$DS1/file") 154log_must [ "$hash1" = "$hash2" ] 155 156cleanup_enc 157prepare_enc 158 159log_note "Copying with copy_file_range from non encrypted to encrypted" 160clone_and_check "file" "copy" $DS1_NC $DS1 "" true 161 162cleanup_enc 163prepare_enc 164 165log_note "Copying with copy_file_range from encrypted to non encrypted" 166clone_and_check "file" "copy" $DS1 $DS1_NC "" true 167 168log_must sync_pool $TESTPOOL 169 170log_pass $claim 171