common/config

   1 ##/bin/bash
   2 #
   3 # Copyright (c) 2000-2003,2006 Silicon Graphics, Inc.  All Rights Reserved.
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation.
   8 #
   9 # This program is distributed in the hope that it would be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write the Free Software Foundation,
  16 # Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17 #
  18 #
  19 # setup and check for config parameters, and in particular
  20 #
  21 # EMAIL -           email of the script runner.
  22 # TEST_DIR -        scratch test directory that is in an already
  23 #                   mounted XFS file system, needs to be be world
  24 #                   writeable
  25 # TEST_DEV -        device for file system containing TEST_DIR
  26 #
  27 # and optionally:
  28 # SCRATCH_DEV -     device you can make a scratch file system on
  29 # SCRATCH_MNT -     mount point for scratch file system
  30 # SCRATCH_LOGDEV -  scratch log device for external log testing
  31 # SCRATCH_RTDEV -   scratch rt dev
  32 # TEST_LOGDEV -     test log device for external log testing
  33 # TEST_RTDEV -      test rt dev
  34 # TAPE_DEV -        the tape device for the xfsdump tests
  35 # RMT_TAPE_DEV -    the remote tape device for the xfsdump tests
  36 # RMT_IRIXTAPE_DEV- the IRIX remote tape device for the xfsdump tests
  37 # RMT_TAPE_USER -   remote user for tape device
  38 #
  39 # - These can be added to $HOST_CONFIG_DIR (witch default to ./config)
  40 #   below or a separate local configuration file can be used (using
  41 #   the HOST_OPTIONS variable).
  42 # - This script is shared by the stress test system and the auto-qa
  43 #   system
  44 # - TEST_DEV & TEST_DIR must be assigned.
  45 # - this script shouldn't make any assertions about filesystem
  46 #   validity or mountedness.
  47 #
  48
  49 # all tests should use a common language setting to prevent golden
  50 # output mismatches.
  51 export LANG=C
  52 export LC_ALL=C
  53
  54 # Warning: don't put freeware before /usr/bsd on IRIX coz you'll
  55 #  get the wrong hostname and set your system name to -s  :)
  56 [ -d /usr/bsd ] && PATH=$PATH:/usr/bsd
  57 [ -d /usr/freeware/bin ] && PATH=$PATH:/usr/freeware/bin
  58 PATH=".:$PATH"
  59
  60 export HOST=`hostname -s`
  61 export HOSTOS=`uname -s`
  62 [ "$HOSTOS" = "IRIX64" ] && export HOSTOS="IRIX"
  63
  64 export MODULAR=0               # using XFS as a module or not
  65 export BOOT="/boot"            # install target for kernels
  66 export EXTRA=${EXTRA:=xfs-qa}
  67
  68 # general parameters (mainly for auto-qa)
  69 export SOAK_PROC=3             # -p option to fsstress
  70 export SOAK_STRESS=10000       # -n option to fsstress
  71 export SOAK_PASSES=-1          # count of repetitions of fsstress (while soaking)
  72 export EMAIL=root@localhost    # where auto-qa will send its status messages
  73 export HOST_OPTIONS=${HOST_OPTIONS:=local.config}
  74 export CHECK_OPTIONS=${CHECK_OPTIONS:="-g auto"}
  75 export BENCH_PASSES=${BENCH_PASSES:=5}
  76 export XFS_MKFS_OPTIONS=${XFS_MKFS_OPTIONS:=-bsize=4096}
  77 export TIME_FACTOR=${TIME_FACTOR:=1}
  78 export LOAD_FACTOR=${LOAD_FACTOR:=1}
  79 export DEBUGFS_MNT=${DEBUGFS_MNT:="/sys/kernel/debug"}
  80
  81 export PWD=`pwd`
  82 #export DEBUG=${DEBUG:=...} # arbitrary CFLAGS really.
  83 export MALLOCLIB=${MALLOCLIB:=/usr/lib/libefence.a}
  84 export LOCAL_CONFIGURE_OPTIONS=${LOCAL_CONFIGURE_OPTIONS:=--enable-readline=yes}
  85
  86 export RECREATE_TEST_DEV=false
  87
  88 # $1 = prog to look for, $2* = default pathnames if not found in $PATH
  89 set_prog_path()
  90 {
  91     p=`which $1 2> /dev/null`
  92     if [ -n "$p" -a -x "$p" ]; then
  93         echo $p
  94         return 0
  95     fi
  96     p=$1
  97
  98     shift
  99     for f; do
 100         if [ -x $f ]; then
 101             echo $f
 102             return 0
 103         fi
 104     done
 105
 106     echo ""
 107     return 1
 108 }
 109
 110 # Handle mkfs.btrfs which does (or does not) require -f to overwrite
 111 set_btrfs_mkfs_prog_path_with_opts()
 112 {
 113         p=`set_prog_path mkfs.btrfs`
 114         if [ "$p" != "" ] && grep -q 'force overwrite' $p; then
 115                 echo "$p -f"
 116         else
 117                 echo $p
 118         fi
 119 }
 120
 121 _fatal()
 122 {
 123     echo "$*"
 124     status=1
 125     exit 1
 126 }
 127
 128 export MKFS_PROG="`set_prog_path mkfs`"
 129 [ "$MKFS_PROG" = "" ] && _fatal "mkfs not found"
 130
 131 export MOUNT_PROG="`set_prog_path mount`"
 132 [ "$MOUNT_PROG" = "" ] && _fatal "mount not found"
 133
 134 export UMOUNT_PROG="`set_prog_path umount`"
 135 [ "$UMOUNT_PROG" = "" ] && _fatal "umount not found"
 136
 137 export FSSTRESS_PROG="./ltp/fsstress"
 138 [ ! -x $FSSTRESS_PROG ] && _fatal "fsstress not found or executable"
 139
 140 export PERL_PROG="`set_prog_path perl`"
 141 [ "$PERL_PROG" = "" ] && _fatal "perl not found"
 142
 143 export AWK_PROG="`set_prog_path awk`"
 144 [ "$AWK_PROG" = "" ] && _fatal "awk not found"
 145
 146 export SED_PROG="`set_prog_path sed`"
 147 [ "$SED_PROG" = "" ] && _fatal "sed not found"
 148
 149 export BC_PROG="`set_prog_path bc`"
 150 [ "$BC_PROG" = "" ] && _fatal "bc not found"
 151
 152 export PS_ALL_FLAGS="-ef"
 153
 154 export DF_PROG="`set_prog_path df`"
 155 [ "$DF_PROG" = "" ] && _fatal "df not found"
 156 [ "$HOSTOS" = "Linux" ] && export DF_PROG="$DF_PROG -T -P"
 157
 158 export XFS_LOGPRINT_PROG="`set_prog_path xfs_logprint`"
 159 export XFS_REPAIR_PROG="`set_prog_path xfs_repair`"
 160 export XFS_DB_PROG="`set_prog_path xfs_db`"
 161 export XFS_GROWFS_PROG=`set_prog_path xfs_growfs`
 162 export XFS_IO_PROG="`set_prog_path xfs_io`"
 163 export XFS_PARALLEL_REPAIR_PROG="`set_prog_path xfs_prepair`"
 164 export XFS_PARALLEL_REPAIR64_PROG="`set_prog_path xfs_prepair64`"
 165 export __XFSDUMP_PROG="`set_prog_path xfsdump`"
 166 if [ -n "$__XFSDUMP_PROG" ]; then
 167         export XFSDUMP_PROG="$__XFSDUMP_PROG -e"
 168 else
 169         export XFSDUMP_PROG=""
 170 fi
 171 export XFSRESTORE_PROG="`set_prog_path xfsrestore`"
 172 export XFSINVUTIL_PROG="`set_prog_path xfsinvutil`"
 173 export GETFATTR_PROG="`set_prog_path getfattr`"
 174 export SETFATTR_PROG="`set_prog_path setfattr`"
 175 export CHACL_PROG="`set_prog_path chacl`"
 176 export ATTR_PROG="`set_prog_path attr`"
 177 export QUOTA_PROG="`set_prog_path quota`"
 178 export XFS_QUOTA_PROG="`set_prog_path xfs_quota`"
 179 export KILLALL_PROG="`set_prog_path killall`"
 180 export INDENT_PROG="`set_prog_path indent`"
 181 export XFS_COPY_PROG="`set_prog_path xfs_copy`"
 182 export FSTRIM_PROG="`set_prog_path fstrim`"
 183 export DUMPE2FS_PROG="`set_prog_path dumpe2fs`"
 184 export FIO_PROG="`set_prog_path fio`"
 185 export FILEFRAG_PROG="`set_prog_path filefrag`"
 186 export E4DEFRAG_PROG="`set_prog_path e4defrag`"
 187 export LOGGER_PROG="`set_prog_path logger`"
 188 export DBENCH_PROG="`set_prog_path dbench`"
 189 export DMSETUP_PROG="`set_prog_path dmsetup`"
 190 export WIPEFS_PROG="`set_prog_path wipefs`"
 191 export DUMP_PROG="`set_prog_path dump`"
 192 export RESTORE_PROG="`set_prog_path restore`"
 193 export LVM_PROG="`set_prog_path lvm`"
 194 export CHATTR_PROG="`set_prog_path chattr`"
 195
 196 # use 'udevadm settle' or 'udevsettle' to wait for lv to be settled.
 197 # newer systems have udevadm command but older systems like RHEL5 don't.
 198 # But if neither one is available, just set it to "sleep 1" to wait for lv to
 199 # be settled
 200 UDEV_SETTLE_PROG="`set_prog_path udevadm`"
 201 if [ "$UDEV_SETTLE_PROG" == "" ]; then
 202         # try udevsettle command
 203         UDEV_SETTLE_PROG="`set_prog_path udevsettle`"
 204 else
 205         # udevadm is available, add 'settle' as subcommand
 206         UDEV_SETTLE_PROG="$UDEV_SETTLE_PROG settle"
 207 fi
 208 # neither command is available, use sleep 1
 209 if [ "$UDEV_SETTLE_PROG" == "" ]; then
 210         UDEV_SETTLE_PROG="sleep 1"
 211 fi
 212 export UDEV_SETTLE_PROG
 213
 214 # Generate a comparable xfsprogs version number in the form of
 215 # major * 10000 + minor * 100 + release
 216 #
 217 # $ xfs_db -V
 218 # xfs_db version 2.9.7
 219 #
 220 # so, 2.9.7 = 20907
 221 _version=`$XFS_DB_PROG -V | $AWK_PROG '
 222         /version/ {
 223                 if (split($3,ver,".") == 3)
 224                         print (ver[1] * 10000) + (ver[2] * 100) + ver[3];
 225         }'`
 226 [ -z "$_version" ] && _fatal "xfsprogs version cannot be found"
 227 export XFSPROGS_VERSION="$_version"
 228
 229 case "$HOSTOS" in
 230     IRIX*)
 231         export MKFS_XFS_PROG="`set_prog_path mkfs_xfs`"
 232         export MKFS_UDF_PROG="`set_prog_path mkfs_udf`"
 233         export XFS_FSR_PROG="`set_prog_path /usr/etc/fsr_xfs`"
 234         export MKFS_NFS_PROG="false"
 235         export MKFS_CIFS_PROG="false"
 236         ;;
 237     Linux)
 238         export MKFS_XFS_PROG="`set_prog_path mkfs.xfs`"
 239         export MKFS_EXT4_PROG="`set_prog_path mkfs.ext4`"
 240         export MKFS_UDF_PROG="`set_prog_path mkudffs`"
 241         export MKFS_BTRFS_PROG="`set_btrfs_mkfs_prog_path_with_opts`"
 242         export MKFS_F2FS_PROG="`set_prog_path mkfs.f2fs`"
 243         export DUMP_F2FS_PROG="`set_prog_path dump.f2fs`"
 244         export BTRFS_UTIL_PROG="`set_prog_path btrfs`"
 245         export BTRFS_SHOW_SUPER_PROG="`set_prog_path btrfs-show-super`"
 246         export XFS_FSR_PROG="`set_prog_path xfs_fsr`"
 247         export MKFS_NFS_PROG="false"
 248         export MKFS_CIFS_PROG="false"
 249         export MKFS_OVERLAY_PROG="false"
 250         export MKFS_REISER4_PROG="`set_prog_path mkfs.reiser4`"
 251         ;;
 252 esac
 253
 254 # SELinux adds extra xattrs which can mess up our expected output.
 255 # So, mount with a context, and they won't be created
 256 # # nfs_t is a "liberal" context so we can use it.
 257 if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
 258         SELINUX_MOUNT_OPTIONS="-o context=system_u:object_r:nfs_t:s0"
 259         export SELINUX_MOUNT_OPTIONS
 260 fi
 261
 262 # check if mkfs.xfs supports v5 xfs
 263 XFS_MKFS_HAS_NO_META_SUPPORT=""
 264 touch /tmp/crc_check.img
 265 $MKFS_XFS_PROG -N -d file,name=/tmp/crc_check.img,size=32m -m crc=0 \
 266         >/dev/null 2>&1;
 267 if [ $? -ne 0 ]; then
 268         XFS_MKFS_HAS_NO_META_SUPPORT=true
 269 fi
 270 rm -f /tmp/crc_check.img
 271 export XFS_MKFS_HAS_NO_META_SUPPORT
 272
 273 _mount_opts()
 274 {
 275         case $FSTYP in
 276         xfs)
 277                 export MOUNT_OPTIONS=$XFS_MOUNT_OPTIONS
 278                 ;;
 279         udf)
 280                 export MOUNT_OPTIONS=$UDF_MOUNT_OPTIONS
 281                 ;;
 282         nfs)
 283                 export MOUNT_OPTIONS=$NFS_MOUNT_OPTIONS
 284                 ;;
 285         cifs)
 286                 export MOUNT_OPTIONS=$CIFS_MOUNT_OPTIONS
 287                 ;;
 288         overlay)
 289                 export MOUNT_OPTIONS=$OVERLAY_MOUNT_OPTIONS
 290                 ;;
 291         ext2|ext3|ext4|ext4dev)
 292                 # acls & xattrs aren't turned on by default on ext$FOO
 293                 export MOUNT_OPTIONS="-o acl,user_xattr $EXT_MOUNT_OPTIONS"
 294                 ;;
 295         f2fs)
 296                 export MOUNT_OPTIONS="-o acl,user_xattr $F2FS_MOUNT_OPTIONS"
 297                 ;;
 298         reiserfs)
 299                 # acls & xattrs aren't turned on by default on reiserfs
 300                 export MOUNT_OPTIONS="-o acl,user_xattr $REISERFS_MOUNT_OPTIONS"
 301                 ;;
 302        reiser4)
 303                # acls & xattrs aren't supported by reiser4
 304                export MOUNT_OPTIONS=$REISER4_MOUNT_OPTIONS
 305                ;;
 306         gfs2)
 307                 # acls aren't turned on by default on gfs2
 308                 export MOUNT_OPTIONS="-o acl $GFS2_MOUNT_OPTIONS"
 309                 ;;
 310         tmpfs)
 311                 # We need to specify the size at mount, use 512 MB by default
 312                 export MOUNT_OPTIONS="-o size=512M $TMPFS_MOUNT_OPTIONS"
 313                 ;;
 314         *)
 315                 ;;
 316         esac
 317 }
 318
 319 _test_mount_opts()
 320 {
 321         case $FSTYP in
 322         cifs)
 323                 export TEST_FS_MOUNT_OPTS=$CIFS_MOUNT_OPTIONS
 324                 ;;
 325         *)
 326                 ;;
 327         esac
 328 }
 329
 330 _mkfs_opts()
 331 {
 332         case $FSTYP in
 333         xfs)
 334                 export MKFS_OPTIONS=$XFS_MKFS_OPTIONS
 335                 ;;
 336         udf)
 337                 [ ! -z "$udf_fsize" ] && \
 338                         UDF_MKFS_OPTIONS="$UDF_MKFS_OPTIONS -s $udf_fsize"
 339                 export MKFS_OPTIONS=$UDF_MKFS_OPTIONS
 340                 ;;
 341         nfs)
 342                 export MKFS_OPTIONS=$NFS_MKFS_OPTIONS
 343                 ;;
 344         cifs)
 345                 export MKFS_OPTIONS=$CIFS_MKFS_OPTIONS
 346                 ;;
 347         reiserfs)
 348                 export MKFS_OPTIONS="$REISERFS_MKFS_OPTIONS -q"
 349                 ;;
 350        reiser4)
 351                 export MKFS_OPTIONS=$REISER4_MKFS_OPTIONS
 352                 ;;
 353         gfs2)
 354                 export MKFS_OPTIONS="$GFS2_MKFS_OPTIONS -O -p lock_nolock"
 355                 ;;
 356         jfs)
 357                 export MKFS_OPTIONS="$JFS_MKFS_OPTIONS -q"
 358                 ;;
 359         f2fs)
 360                 export MKFS_OPTIONS="$F2FS_MKFS_OPTIONS"
 361                 ;;
 362         *)
 363                 ;;
 364         esac
 365 }
 366
 367 _fsck_opts()
 368 {
 369         case $FSTYP in
 370         ext2|ext3|ext4|ext4dev)
 371                 export FSCK_OPTIONS="-nf"
 372                 ;;
 373         reiser*)
 374                 export FSCK_OPTIONS="--yes"
 375                 ;;
 376         f2fs)
 377                 export FSCK_OPTIONS=""
 378                 ;;
 379         *)
 380                 export FSCK_OPTIONS="-n"
 381                 ;;
 382         esac
 383 }
 384
 385 known_hosts()
 386 {
 387         [ "$HOST_CONFIG_DIR" ] || HOST_CONFIG_DIR=`pwd`/configs
 388
 389         [ -f /etc/xfsqa.config ]             && export HOST_OPTIONS=/etc/xfsqa.config
 390         [ -f $HOST_CONFIG_DIR/$HOST ]        && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST
 391         [ -f $HOST_CONFIG_DIR/$HOST.config ] && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST.config
 392 }
 393
 394 # Returns a list of sections in config file
 395 # Each section starts with the section name in the format
 396 # [section_name1]. Only alphanumeric characters and '_' is allowed
 397 # in the section name otherwise the section will not be resognised.
 398 # Section name must be contained between square brackets.
 399 get_config_sections() {
 400         sed -n -e "s/^\[\([[:alnum:]_]*\)\]/\1/p" < $1
 401 }
 402
 403 if [ ! -f "$HOST_OPTIONS" ]; then
 404         known_hosts
 405 fi
 406
 407 export HOST_OPTIONS_SECTIONS="-no-sections-"
 408 export OPTIONS_HAVE_SECTIONS=false
 409 if [ -f "$HOST_OPTIONS" ]; then
 410         export HOST_OPTIONS_SECTIONS=`get_config_sections $HOST_OPTIONS`
 411         if [ -z "$HOST_OPTIONS_SECTIONS" ]; then
 412                 . $HOST_OPTIONS
 413                 export HOST_OPTIONS_SECTIONS="-no-sections-"
 414         else
 415                 export OPTIONS_HAVE_SECTIONS=true
 416         fi
 417 fi
 418
 419 _check_device()
 420 {
 421         local name=$1
 422         local dev_needed=$2
 423         local dev=$3
 424
 425         if [ -z "$dev" ]; then
 426                 if [ "$dev_needed" == "required" ]; then
 427                         _fatal "common/config: $name is required but not defined!"
 428                 fi
 429                 return
 430         fi
 431
 432         echo $dev | grep -qE ":|//" > /dev/null 2>&1
 433         network_dev=$?
 434         if [ "$FSTYP" == "overlay" ]; then
 435                 if [ ! -d "$dev" ]; then
 436                         _fatal "common/config: $name ($dev) is not a directory for overlay"
 437                 fi
 438         elif [ ! -b "$dev" -a "$network_dev" != "0" ]; then
 439                 _fatal "common/config: $name ($dev) is not a block device or a network filesystem"
 440         fi
 441 }
 442
 443 # Parse config section options. This function will parse all the configuration
 444 # within a single section which name is passed as an argument. For section
 445 # name format see comments in get_config_sections().
 446 # Empty lines and everything after '#' will be ignored.
 447 # Configuration options should be defined in the format
 448 #
 449 # CONFIG_OPTION=value
 450 #
 451 # This 'CONFIG_OPTION' variable and will be exported as an environment variable.
 452 parse_config_section() {
 453         SECTION=$1
 454         if ! $OPTIONS_HAVE_SECTIONS; then
 455                 return 0
 456         fi
 457         eval `sed -e 's/[[:space:]]*\=[[:space:]]*/=/g' \
 458                 -e 's/#.*$//' \
 459                 -e 's/[[:space:]]*$//' \
 460                 -e 's/^[[:space:]]*//' \
 461                 -e "s/^\([^=]*\)=\"\?'\?\([^\"']*\)\"\?'\?$/export \1=\"\2\"/" \
 462                 < $HOST_OPTIONS \
 463                 | sed -n -e "/^\[$SECTION\]/,/^\s*\[/{/^[^#].*\=.*/p;}"`
 464 }
 465
 466 get_next_config() {
 467         if [ ! -z "$CONFIG_INCLUDED" ] && ! $OPTIONS_HAVE_SECTIONS; then
 468                 return 0
 469         fi
 470
 471         local OLD_FSTYP=$FSTYP
 472         local OLD_MOUNT_OPTIONS=$MOUNT_OPTIONS
 473         local OLD_TEST_FS_MOUNT_OPTS=$TEST_FS_MOUNT_OPTS
 474         local OLD_MKFS_OPTIONS=$MKFS_OPTIONS
 475         local OLD_FSCK_OPTIONS=$FSCK_OPTIONS
 476         local OLD_USE_EXTERNAL=$USE_EXTERNAL
 477
 478         unset MOUNT_OPTIONS
 479         unset MKFS_OPTIONS
 480         unset FSCK_OPTIONS
 481         unset USE_EXTERNAL
 482
 483         # We might have deduced SCRATCH_DEV from the SCRATCH_DEV_POOL in the previous
 484         # run, so we have to unset it now.
 485         if [ "$SCRATCH_DEV_NOT_SET" == "true" ]; then
 486                 unset SCRATCH_DEV
 487         fi
 488
 489         parse_config_section $1
 490
 491         if [ ! -z "$OLD_FSTYP" ] && [ $OLD_FSTYP != $FSTYP ]; then
 492                 [ -z "$MOUNT_OPTIONS" ] && _mount_opts
 493                 [ -z "$TEST_FS_MOUNT_OPTS" ] && _test_mount_opts
 494                 [ -z "$MKFS_OPTIONS" ] && _mkfs_opts
 495                 [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 496
 497                 # clear the external devices if we are not using them
 498                 if [ -z "$USE_EXTERNAL" ]; then
 499                         unset TEST_RTDEV
 500                         unset TEST_LOGDEV
 501                         unset SCRATCH_RTDEV
 502                         unset SCRATCH_LOGDEV
 503                 fi
 504         else
 505                 [ -z "$MOUNT_OPTIONS" ] && export MOUNT_OPTIONS=$OLD_MOUNT_OPTIONS
 506                 [ -z "$TEST_FS_MOUNT_OPTS" ] && export TEST_FS_MOUNT_OPTS=$OLD_TEST_FS_MOUNT_OPTS
 507                 [ -z "$MKFS_OPTIONS" ] && export MKFS_OPTIONS=$OLD_MKFS_OPTIONS
 508                 [ -z "$FSCK_OPTIONS" ] && export FSCK_OPTIONS=$OLD_FSCK_OPTIONS
 509                 [ -z "$USE_EXTERNAL" ] && export USE_EXTERNAL=$OLD_USE_EXTERNAL
 510         fi
 511
 512         # set default RESULT_BASE
 513         if [ -z "$RESULT_BASE" ]; then
 514                 export RESULT_BASE="$here/results/"
 515         fi
 516
 517         #  Mandatory Config values.
 518         MC=""
 519         [ -z "$EMAIL" ]          && MC="$MC EMAIL"
 520         [ -z "$TEST_DIR" ]       && MC="$MC TEST_DIR"
 521         [ -z "$TEST_DEV" ]       && MC="$MC TEST_DEV"
 522
 523         if [ -n "$MC" ]; then
 524                 echo "Warning: need to define parameters for host $HOST"
 525                 echo "       or set variables:"
 526                 echo "       $MC"
 527                 exit 1
 528         fi
 529
 530         _check_device TEST_DEV required $TEST_DEV
 531         if [ ! -d "$TEST_DIR" ]; then
 532                 echo "common/config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
 533                 exit 1
 534         fi
 535
 536         # a btrfs tester will set only SCRATCH_DEV_POOL, we will put first of its dev
 537         # to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility
 538         if [ ! -z "$SCRATCH_DEV_POOL" ]; then
 539                 if [ ! -z "$SCRATCH_DEV" ]; then
 540                         echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) should be unset when \$SCRATCH_DEV_POOL ($SCRATCH_DEV_POOL) is set"
 541                         exit 1
 542                 fi
 543                 SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
 544                 export SCRATCH_DEV
 545                 export SCRATCH_DEV_NOT_SET=true
 546         fi
 547
 548         _check_device SCRATCH_DEV optional $SCRATCH_DEV
 549         if [ ! -z "$SCRATCH_MNT" -a ! -d "$SCRATCH_MNT" ]; then
 550                 echo "common/config: Error: \$SCRATCH_MNT ($SCRATCH_MNT) is not a directory"
 551                 exit 1
 552         fi
 553
 554         if [ -n "$USE_EXTERNAL" ]; then
 555                 _check_device TEST_RTDEV optional $TEST_RTDEV
 556                 _check_device TEST_LOGDEV optional $TEST_LOGDEV
 557                 _check_device SCRATCH_RTDEV optional $SCRATCH_RTDEV
 558                 _check_device SCRATCH_LOGDEV optional $SCRATCH_LOGDEV
 559         fi
 560 }
 561
 562 if [ -z "$CONFIG_INCLUDED" ]; then
 563         get_next_config `echo $HOST_OPTIONS_SECTIONS | cut -f1 -d" "`
 564         export CONFIG_INCLUDED=true
 565
 566         # Autodetect fs type based on what's on $TEST_DEV unless it's been set
 567         # externally
 568         if [ -z "$FSTYP" ] && \
 569            [ "$HOSTOS" == "Linux" -o "$OSTYPE" == "linux-gnu" ] && \
 570            [ ! -z "$TEST_DEV" ]; then
 571                 FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV`
 572         fi
 573         FSTYP=${FSTYP:=xfs}
 574         export FSTYP
 575         [ -z "$MOUNT_OPTIONS" ] && _mount_opts
 576         [ -z "$TEST_FS_MOUNT_OPTS" ] && _test_mount_opts
 577         [ -z "$MKFS_OPTIONS" ] && _mkfs_opts
 578         [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 579 fi
 580
 581 # canonicalize the mount points
 582 # this follows symlinks and removes all trailing "/"s
 583 export TEST_DIR=`readlink -e "$TEST_DIR"`
 584 export SCRATCH_MNT=`readlink -e "$SCRATCH_MNT"`
 585
 586 # make sure this script returns success
 587 /bin/true