1#!/usr/bin/env bash 2# 3# Copyright (C) 2009 Red Hat, Inc. 4# Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved. 5# 6# This program is free software; you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation; either version 2 of the License, or 9# (at your option) any later version. 10# 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <http://www.gnu.org/licenses/>. 18# 19 20SED= 21for sed in sed gsed; do 22 ($sed --version | grep 'GNU sed') > /dev/null 2>&1 23 if [ "$?" -eq 0 ]; then 24 SED=$sed 25 break 26 fi 27done 28if [ -z "$SED" ]; then 29 echo "$0: GNU sed not found" 30 exit 1 31fi 32 33dd() 34{ 35 if [ "$HOSTOS" == "Linux" ] 36 then 37 command dd --help | grep noxfer > /dev/null 2>&1 38 39 if [ "$?" -eq 0 ] 40 then 41 command dd status=noxfer $@ 42 else 43 command dd $@ 44 fi 45 else 46 command dd $@ 47 fi 48} 49 50# poke_file 'test.img' 512 '\xff\xfe' 51poke_file() 52{ 53 printf "$3" | dd "of=$1" bs=1 "seek=$2" conv=notrunc &>/dev/null 54} 55 56# peek_file_le 'test.img' 512 2 => 65534 57peek_file_le() 58{ 59 # Wrap in echo $() to strip spaces 60 echo $(od -j"$2" -N"$3" --endian=little -An -vtu"$3" "$1") 61} 62 63# peek_file_be 'test.img' 512 2 => 65279 64peek_file_be() 65{ 66 # Wrap in echo $() to strip spaces 67 echo $(od -j"$2" -N"$3" --endian=big -An -vtu"$3" "$1") 68} 69 70# peek_file_raw 'test.img' 512 2 => '\xff\xfe' 71peek_file_raw() 72{ 73 dd if="$1" bs=1 skip="$2" count="$3" status=none 74} 75 76 77if ! . ./common.config 78 then 79 echo "$0: failed to source common.config" 80 exit 1 81fi 82 83# Set the variables to the empty string to turn Valgrind off 84# for specific processes, e.g. 85# $ VALGRIND_QEMU_IO= ./check -qcow2 -valgrind 015 86 87: ${VALGRIND_QEMU_VM=$VALGRIND_QEMU} 88: ${VALGRIND_QEMU_IMG=$VALGRIND_QEMU} 89: ${VALGRIND_QEMU_IO=$VALGRIND_QEMU} 90: ${VALGRIND_QEMU_NBD=$VALGRIND_QEMU} 91: ${VALGRIND_QEMU_VXHS=$VALGRIND_QEMU} 92 93# The Valgrind own parameters may be set with 94# its environment variable VALGRIND_OPTS, e.g. 95# $ VALGRIND_OPTS="--leak-check=yes" ./check -qcow2 -valgrind 015 96 97_qemu_proc_exec() 98{ 99 local VALGRIND_LOGFILE="$1" 100 shift 101 if [[ "${VALGRIND_QEMU}" == "y" && "${NO_VALGRIND}" != "y" ]]; then 102 exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$@" 103 else 104 exec "$@" 105 fi 106} 107 108_qemu_proc_valgrind_log() 109{ 110 local VALGRIND_LOGFILE="$1" 111 local RETVAL="$2" 112 if [[ "${VALGRIND_QEMU}" == "y" && "${NO_VALGRIND}" != "y" ]]; then 113 if [ $RETVAL == 99 ]; then 114 cat "${VALGRIND_LOGFILE}" 115 fi 116 rm -f "${VALGRIND_LOGFILE}" 117 fi 118} 119 120_qemu_wrapper() 121{ 122 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 123 ( 124 if [ -n "${QEMU_NEED_PID}" ]; then 125 echo $BASHPID > "${QEMU_TEST_DIR}/qemu-${_QEMU_HANDLE}.pid" 126 fi 127 VALGRIND_QEMU="${VALGRIND_QEMU_VM}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 128 "$QEMU_PROG" $QEMU_OPTIONS "$@" 129 ) 130 RETVAL=$? 131 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 132 return $RETVAL 133} 134 135_qemu_img_wrapper() 136{ 137 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 138 ( 139 VALGRIND_QEMU="${VALGRIND_QEMU_IMG}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 140 "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@" 141 ) 142 RETVAL=$? 143 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 144 return $RETVAL 145} 146 147_qemu_io_wrapper() 148{ 149 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 150 local QEMU_IO_ARGS="$QEMU_IO_OPTIONS" 151 if [ "$IMGOPTSSYNTAX" = "true" ]; then 152 QEMU_IO_ARGS="--image-opts $QEMU_IO_ARGS" 153 if [ -n "$IMGKEYSECRET" ]; then 154 QEMU_IO_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IO_ARGS" 155 fi 156 fi 157 ( 158 VALGRIND_QEMU="${VALGRIND_QEMU_IO}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 159 "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" 160 ) 161 RETVAL=$? 162 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 163 return $RETVAL 164} 165 166_qemu_nbd_wrapper() 167{ 168 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 169 ( 170 VALGRIND_QEMU="${VALGRIND_QEMU_NBD}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 171 "$QEMU_NBD_PROG" --pid-file="${QEMU_TEST_DIR}/qemu-nbd.pid" \ 172 $QEMU_NBD_OPTIONS "$@" 173 ) 174 RETVAL=$? 175 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 176 return $RETVAL 177} 178 179_qemu_vxhs_wrapper() 180{ 181 local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind 182 ( 183 echo $BASHPID > "${TEST_DIR}/qemu-vxhs.pid" 184 VALGRIND_QEMU="${VALGRIND_QEMU_VXHS}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \ 185 "$QEMU_VXHS_PROG" $QEMU_VXHS_OPTIONS "$@" 186 ) 187 RETVAL=$? 188 _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL 189 return $RETVAL 190} 191 192# Valgrind bug #409141 https://bugs.kde.org/show_bug.cgi?id=409141 193# Until valgrind 3.16+ is ubiquitous, we must work around a hang in 194# valgrind when issuing sigkill. Disable valgrind for this invocation. 195_NO_VALGRIND() 196{ 197 NO_VALGRIND="y" "$@" 198} 199 200export QEMU=_qemu_wrapper 201export QEMU_IMG=_qemu_img_wrapper 202export QEMU_IO=_qemu_io_wrapper 203export QEMU_NBD=_qemu_nbd_wrapper 204export QEMU_VXHS=_qemu_vxhs_wrapper 205 206if [ "$IMGOPTSSYNTAX" = "true" ]; then 207 DRIVER="driver=$IMGFMT" 208 QEMU_IMG_EXTRA_ARGS="--image-opts $QEMU_IMG_EXTRA_ARGS" 209 if [ -n "$IMGKEYSECRET" ]; then 210 QEMU_IMG_EXTRA_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IMG_EXTRA_ARGS" 211 fi 212 if [ "$IMGFMT" = "luks" ]; then 213 DRIVER="$DRIVER,key-secret=keysec0" 214 fi 215 if [ "$IMGPROTO" = "file" ]; then 216 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 217 TEST_IMG="$DRIVER,file.filename=$TEST_DIR/t.$IMGFMT" 218 elif [ "$IMGPROTO" = "nbd" ]; then 219 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 220 TEST_IMG="$DRIVER,file.driver=nbd,file.type=unix" 221 TEST_IMG="$TEST_IMG,file.path=$SOCK_DIR/nbd" 222 elif [ "$IMGPROTO" = "ssh" ]; then 223 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 224 TEST_IMG="$DRIVER,file.driver=ssh,file.host=127.0.0.1,file.path=$TEST_IMG_FILE" 225 elif [ "$IMGPROTO" = "nfs" ]; then 226 TEST_DIR="$DRIVER,file.driver=nfs,file.filename=nfs://127.0.0.1/$TEST_DIR" 227 TEST_IMG=$TEST_DIR/t.$IMGFMT 228 else 229 TEST_IMG="$DRIVER,file.driver=$IMGPROTO,file.filename=$TEST_DIR/t.$IMGFMT" 230 fi 231else 232 QEMU_IMG_EXTRA_ARGS= 233 if [ "$IMGPROTO" = "file" ]; then 234 TEST_IMG=$TEST_DIR/t.$IMGFMT 235 elif [ "$IMGPROTO" = "nbd" ]; then 236 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 237 TEST_IMG="nbd+unix:///?socket=$SOCK_DIR/nbd" 238 elif [ "$IMGPROTO" = "ssh" ]; then 239 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 240 REMOTE_TEST_DIR="ssh://\\($USER@\\)\\?127.0.0.1\\(:[0-9]\\+\\)\\?$TEST_DIR" 241 TEST_IMG="ssh://127.0.0.1$TEST_IMG_FILE" 242 elif [ "$IMGPROTO" = "nfs" ]; then 243 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 244 REMOTE_TEST_DIR="nfs://127.0.0.1$TEST_DIR" 245 TEST_IMG="nfs://127.0.0.1$TEST_IMG_FILE" 246 elif [ "$IMGPROTO" = "vxhs" ]; then 247 TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT 248 TEST_IMG="vxhs://127.0.0.1:9999/t.$IMGFMT" 249 else 250 TEST_IMG=$IMGPROTO:$TEST_DIR/t.$IMGFMT 251 fi 252fi 253ORIG_TEST_IMG="$TEST_IMG" 254 255if [ -z "$TEST_DIR" ]; then 256 TEST_DIR=$PWD/scratch 257fi 258 259QEMU_TEST_DIR="${TEST_DIR}" 260 261if [ ! -e "$TEST_DIR" ]; then 262 mkdir "$TEST_DIR" 263fi 264 265if [ ! -d "$TEST_DIR" ]; then 266 echo "common.rc: Error: \$TEST_DIR ($TEST_DIR) is not a directory" 267 exit 1 268fi 269 270if [ -z "$REMOTE_TEST_DIR" ]; then 271 REMOTE_TEST_DIR="$TEST_DIR" 272fi 273 274if [ ! -d "$SAMPLE_IMG_DIR" ]; then 275 echo "common.rc: Error: \$SAMPLE_IMG_DIR ($SAMPLE_IMG_DIR) is not a directory" 276 exit 1 277fi 278 279_use_sample_img() 280{ 281 SAMPLE_IMG_FILE="${1%\.bz2}" 282 TEST_IMG="$TEST_DIR/$SAMPLE_IMG_FILE" 283 bzcat "$SAMPLE_IMG_DIR/$1" > "$TEST_IMG" 284 if [ $? -ne 0 ] 285 then 286 echo "_use_sample_img error, cannot extract '$SAMPLE_IMG_DIR/$1'" 287 exit 1 288 fi 289} 290 291_stop_nbd_server() 292{ 293 if [ -f "${QEMU_TEST_DIR}/qemu-nbd.pid" ]; then 294 local QEMU_NBD_PID 295 read QEMU_NBD_PID < "${QEMU_TEST_DIR}/qemu-nbd.pid" 296 kill ${QEMU_NBD_PID} 297 rm -f "${QEMU_TEST_DIR}/qemu-nbd.pid" "$SOCK_DIR/nbd" 298 fi 299} 300 301_make_test_img() 302{ 303 # extra qemu-img options can be added by tests 304 # at least one argument (the image size) needs to be added 305 local extra_img_options="" 306 local image_size=$* 307 local optstr="" 308 local img_name="" 309 local use_backing=0 310 local backing_file="" 311 local object_options="" 312 313 if [ -n "$TEST_IMG_FILE" ]; then 314 img_name=$TEST_IMG_FILE 315 else 316 img_name=$TEST_IMG 317 fi 318 319 if [ -n "$IMGOPTS" ]; then 320 optstr=$(_optstr_add "$optstr" "$IMGOPTS") 321 fi 322 if [ -n "$IMGKEYSECRET" ]; then 323 object_options="--object secret,id=keysec0,data=$IMGKEYSECRET" 324 optstr=$(_optstr_add "$optstr" "key-secret=keysec0") 325 fi 326 327 if [ "$1" = "-b" ]; then 328 use_backing=1 329 backing_file=$2 330 image_size=$3 331 fi 332 if [ \( "$IMGFMT" = "qcow2" -o "$IMGFMT" = "qed" \) -a -n "$CLUSTER_SIZE" ]; then 333 optstr=$(_optstr_add "$optstr" "cluster_size=$CLUSTER_SIZE") 334 fi 335 336 if [ -n "$optstr" ]; then 337 extra_img_options="-o $optstr $extra_img_options" 338 fi 339 340 if [ $IMGPROTO = "nbd" ]; then 341 _stop_nbd_server 342 fi 343 344 # XXX(hch): have global image options? 345 ( 346 if [ $use_backing = 1 ]; then 347 $QEMU_IMG create $object_options -f $IMGFMT $extra_img_options -b "$backing_file" "$img_name" $image_size 2>&1 348 else 349 $QEMU_IMG create $object_options -f $IMGFMT $extra_img_options "$img_name" $image_size 2>&1 350 fi 351 ) | _filter_img_create 352 353 # Start an NBD server on the image file, which is what we'll be talking to. 354 # Once NBD gains resize support, we may also want to use -f raw at the 355 # server and interpret format over NBD, but for now, the format is 356 # interpreted at the server and raw data sent over NBD. 357 if [ $IMGPROTO = "nbd" ]; then 358 # Pass a sufficiently high number to -e that should be enough for all 359 # tests 360 eval "$QEMU_NBD -v -t -k '$SOCK_DIR/nbd' -f $IMGFMT -e 42 -x '' $TEST_IMG_FILE >/dev/null &" 361 sleep 1 # FIXME: qemu-nbd needs to be listening before we continue 362 fi 363 364 # Start QNIO server on image directory for vxhs protocol 365 if [ $IMGPROTO = "vxhs" ]; then 366 eval "$QEMU_VXHS -d $TEST_DIR > /dev/null &" 367 sleep 1 # Wait for server to come up. 368 fi 369} 370 371_rm_test_img() 372{ 373 local img=$1 374 if [ "$IMGFMT" = "vmdk" ]; then 375 # Remove all the extents for vmdk 376 "$QEMU_IMG" info "$img" 2>/dev/null | grep 'filename:' | cut -f 2 -d: \ 377 | xargs -I {} rm -f "{}" 378 fi 379 rm -f "$img" 380} 381 382_cleanup_test_img() 383{ 384 case "$IMGPROTO" in 385 386 nbd) 387 _stop_nbd_server 388 rm -f "$TEST_IMG_FILE" 389 ;; 390 vxhs) 391 if [ -f "${TEST_DIR}/qemu-vxhs.pid" ]; then 392 local QEMU_VXHS_PID 393 read QEMU_VXHS_PID < "${TEST_DIR}/qemu-vxhs.pid" 394 kill ${QEMU_VXHS_PID} >/dev/null 2>&1 395 rm -f "${TEST_DIR}/qemu-vxhs.pid" 396 fi 397 rm -f "$TEST_IMG_FILE" 398 ;; 399 400 file) 401 _rm_test_img "$TEST_DIR/t.$IMGFMT" 402 _rm_test_img "$TEST_DIR/t.$IMGFMT.orig" 403 _rm_test_img "$TEST_DIR/t.$IMGFMT.base" 404 if [ -n "$SAMPLE_IMG_FILE" ] 405 then 406 rm -f "$TEST_DIR/$SAMPLE_IMG_FILE" 407 SAMPLE_IMG_FILE= 408 TEST_IMG="$ORIG_TEST_IMG" 409 fi 410 ;; 411 412 rbd) 413 rbd --no-progress rm "$TEST_DIR/t.$IMGFMT" > /dev/null 414 ;; 415 416 sheepdog) 417 collie vdi delete "$TEST_DIR/t.$IMGFMT" 418 ;; 419 420 esac 421} 422 423_check_test_img() 424{ 425 ( 426 if [ "$IMGOPTSSYNTAX" = "true" ]; then 427 $QEMU_IMG check $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" 2>&1 428 else 429 $QEMU_IMG check "$@" -f $IMGFMT "$TEST_IMG" 2>&1 430 fi 431 ) | _filter_testdir | _filter_qemu_img_check 432 433 # return real qemu_img check status, to analyze in 434 # _check_test_img_ignore_leaks 435 return ${PIPESTATUS[0]} 436} 437 438_check_test_img_ignore_leaks() 439{ 440 out=$(_check_test_img "$@") 441 status=$? 442 if [ $status = 3 ]; then 443 # This must correspond to success output in dump_human_image_check() 444 echo "No errors were found on the image." 445 return 0 446 fi 447 echo "$out" 448 return $status 449} 450 451_img_info() 452{ 453 if [[ "$1" == "--format-specific" ]]; then 454 local format_specific=1 455 shift 456 else 457 local format_specific=0 458 fi 459 460 discard=0 461 regex_json_spec_start='^ *"format-specific": \{' 462 $QEMU_IMG info $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" 2>&1 | \ 463 sed -e "s#$REMOTE_TEST_DIR#TEST_DIR#g" \ 464 -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \ 465 -e "s#$TEST_DIR#TEST_DIR#g" \ 466 -e "s#$IMGFMT#IMGFMT#g" \ 467 -e "/^disk size:/ D" \ 468 -e "/actual-size/ D" | \ 469 while IFS='' read -r line; do 470 if [[ $format_specific == 1 ]]; then 471 discard=0 472 elif [[ $line == "Format specific information:" ]]; then 473 discard=1 474 elif [[ $line =~ $regex_json_spec_start ]]; then 475 discard=2 476 regex_json_spec_end="^${line%%[^ ]*}\\},? *$" 477 fi 478 if [[ $discard == 0 ]]; then 479 echo "$line" 480 elif [[ $discard == 1 && ! $line ]]; then 481 echo 482 discard=0 483 elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then 484 discard=0 485 fi 486 done 487} 488 489# bail out, setting up .notrun file 490# 491_notrun() 492{ 493 echo "$*" >"$OUTPUT_DIR/$seq.notrun" 494 echo "$seq not run: $*" 495 status=0 496 exit 497} 498 499# bail out, setting up .casenotrun file 500# The function _casenotrun() is used as a notifier. It is the 501# caller's responsibility to make skipped a particular test. 502# 503_casenotrun() 504{ 505 echo " [case not run] $*" >>"$OUTPUT_DIR/$seq.casenotrun" 506} 507 508# just plain bail out 509# 510_fail() 511{ 512 echo "$*" | tee -a "$OUTPUT_DIR/$seq.full" 513 echo "(see $seq.full for details)" 514 status=1 515 exit 1 516} 517 518# tests whether $IMGFMT is one of the supported image formats for a test 519# 520_supported_fmt() 521{ 522 # "generic" is suitable for most image formats. For some formats it doesn't 523 # work, however (most notably read-only formats), so they can opt out by 524 # setting IMGFMT_GENERIC to false. 525 for f; do 526 if [ "$f" = "$IMGFMT" -o "$f" = "generic" -a "$IMGFMT_GENERIC" = "true" ]; then 527 return 528 fi 529 done 530 531 _notrun "not suitable for this image format: $IMGFMT" 532} 533 534# tests whether $IMGFMT is one of the unsupported image format for a test 535# 536_unsupported_fmt() 537{ 538 for f; do 539 if [ "$f" = "$IMGFMT" ]; then 540 _notrun "not suitable for this image format: $IMGFMT" 541 fi 542 done 543} 544 545# tests whether $IMGPROTO is one of the supported image protocols for a test 546# 547_supported_proto() 548{ 549 for f; do 550 if [ "$f" = "$IMGPROTO" -o "$f" = "generic" ]; then 551 return 552 fi 553 done 554 555 _notrun "not suitable for this image protocol: $IMGPROTO" 556} 557 558# tests whether $IMGPROTO is specified as an unsupported image protocol for a test 559# 560_unsupported_proto() 561{ 562 for f; do 563 if [ "$f" = "$IMGPROTO" ]; then 564 _notrun "not suitable for this image protocol: $IMGPROTO" 565 return 566 fi 567 done 568} 569 570# tests whether the host OS is one of the supported OSes for a test 571# 572_supported_os() 573{ 574 for h 575 do 576 if [ "$h" = "$HOSTOS" ] 577 then 578 return 579 fi 580 done 581 582 _notrun "not suitable for this OS: $HOSTOS" 583} 584 585_supported_cache_modes() 586{ 587 for mode; do 588 if [ "$mode" = "$CACHEMODE" ]; then 589 return 590 fi 591 done 592 _notrun "not suitable for cache mode: $CACHEMODE" 593} 594 595_default_cache_mode() 596{ 597 if $CACHEMODE_IS_DEFAULT; then 598 CACHEMODE="$1" 599 QEMU_IO="$QEMU_IO --cache $1" 600 return 601 fi 602} 603 604_unsupported_imgopts() 605{ 606 for bad_opt 607 do 608 if echo "$IMGOPTS" | grep -q 2>/dev/null "$bad_opt" 609 then 610 _notrun "not suitable for image option: $bad_opt" 611 fi 612 done 613} 614 615# this test requires that a specified command (executable) exists 616# 617_require_command() 618{ 619 if [ "$1" = "QEMU" ]; then 620 c=$QEMU_PROG 621 elif [ "$1" = "QEMU_IMG" ]; then 622 c=$QEMU_IMG_PROG 623 elif [ "$1" = "QEMU_IO" ]; then 624 c=$QEMU_IO_PROG 625 elif [ "$1" = "QEMU_NBD" ]; then 626 c=$QEMU_NBD_PROG 627 else 628 eval c=\$$1 629 fi 630 [ -x "$c" ] || _notrun "$1 utility required, skipped this test" 631} 632 633# Check that a set of drivers has been whitelisted in the QEMU binary 634# 635_require_drivers() 636{ 637 available=$($QEMU -drive format=help | \ 638 sed -e '/Supported formats:/!d' -e 's/Supported formats://') 639 for driver 640 do 641 if ! echo "$available" | grep -q " $driver\( \|$\)"; then 642 _notrun "$driver not available" 643 fi 644 done 645} 646 647# Check that we have a file system that allows huge (but very sparse) files 648# 649_require_large_file() 650{ 651 if ! truncate --size="$1" "$TEST_IMG"; then 652 _notrun "file system on $TEST_DIR does not support large enough files" 653 fi 654 rm "$TEST_IMG" 655} 656 657# make sure this script returns success 658true 659