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=${DEBUGFS_MNT:="/sys/kernel/debug"}
  80 export OVERLAY_UPPER_DIR=${OVERLAY_UPPER_DIR:="upper"}
  81 export OVERLAY_LOWER_DIR=${OVERLAY_LOWER_DIR:="lower"}
  82 export OVERLAY_WORK_DIR=${OVERLAY_WORK_DIR:="work"}
  83
  84 export PWD=`pwd`
  85 #export DEBUG=${DEBUG:=...} # arbitrary CFLAGS really.
  86 export MALLOCLIB=${MALLOCLIB:=/usr/lib/libefence.a}
  87 export LOCAL_CONFIGURE_OPTIONS=${LOCAL_CONFIGURE_OPTIONS:=--enable-readline=yes}
  88
  89 export RECREATE_TEST_DEV=false
  90
  91 # $1 = prog to look for, $2* = default pathnames if not found in $PATH
  92 set_prog_path()
  93 {
  94     p=`which $1 2> /dev/null`
  95     if [ -n "$p" -a -x "$p" ]; then
  96         echo $p
  97         return 0
  98     fi
  99     p=$1
 100
 101     shift
 102     for f; do
 103         if [ -x $f ]; then
 104             echo $f
 105             return 0
 106         fi
 107     done
 108
 109     echo ""
 110     return 1
 111 }
 112
 113 # Handle mkfs.btrfs which does (or does not) require -f to overwrite
 114 set_btrfs_mkfs_prog_path_with_opts()
 115 {
 116         p=`set_prog_path mkfs.btrfs`
 117         if [ "$p" != "" ] && grep -q 'force overwrite' $p; then
 118                 echo "$p -f"
 119         else
 120                 echo $p
 121         fi
 122 }
 123
 124 _fatal()
 125 {
 126     echo "$*"
 127     status=1
 128     exit 1
 129 }
 130
 131 export MKFS_PROG="`set_prog_path mkfs`"
 132 [ "$MKFS_PROG" = "" ] && _fatal "mkfs not found"
 133
 134 export MOUNT_PROG="`set_prog_path mount`"
 135 [ "$MOUNT_PROG" = "" ] && _fatal "mount not found"
 136
 137 export UMOUNT_PROG="`set_prog_path umount`"
 138 [ "$UMOUNT_PROG" = "" ] && _fatal "umount not found"
 139
 140 export FSSTRESS_PROG="./ltp/fsstress"
 141 [ ! -x $FSSTRESS_PROG ] && _fatal "fsstress not found or executable"
 142
 143 export PERL_PROG="`set_prog_path perl`"
 144 [ "$PERL_PROG" = "" ] && _fatal "perl not found"
 145
 146 export AWK_PROG="`set_prog_path awk`"
 147 [ "$AWK_PROG" = "" ] && _fatal "awk not found"
 148
 149 export SED_PROG="`set_prog_path sed`"
 150 [ "$SED_PROG" = "" ] && _fatal "sed not found"
 151
 152 export BC_PROG="`set_prog_path bc`"
 153 [ "$BC_PROG" = "" ] && _fatal "bc not found"
 154
 155 export PS_ALL_FLAGS="-ef"
 156
 157 export DF_PROG="`set_prog_path df`"
 158 [ "$DF_PROG" = "" ] && _fatal "df not found"
 159 [ "$HOSTOS" = "Linux" ] && export DF_PROG="$DF_PROG -T -P"
 160
 161 export XFS_IO_PROG="`set_prog_path xfs_io`"
 162 [ "$XFS_IO_PROG" = "" ] && _fatal "xfs_io not found"
 163
 164 export XFS_LOGPRINT_PROG="`set_prog_path xfs_logprint`"
 165 export XFS_REPAIR_PROG="`set_prog_path xfs_repair`"
 166 export XFS_DB_PROG="`set_prog_path xfs_db`"
 167 export XFS_GROWFS_PROG=`set_prog_path xfs_growfs`
 168 export XFS_SCRUB_PROG="`set_prog_path xfs_scrub`"
 169 export XFS_PARALLEL_REPAIR_PROG="`set_prog_path xfs_prepair`"
 170 export XFS_PARALLEL_REPAIR64_PROG="`set_prog_path xfs_prepair64`"
 171 export __XFSDUMP_PROG="`set_prog_path xfsdump`"
 172 if [ -n "$__XFSDUMP_PROG" ]; then
 173         export XFSDUMP_PROG="$__XFSDUMP_PROG -e"
 174 else
 175         export XFSDUMP_PROG=""
 176 fi
 177 export XFSRESTORE_PROG="`set_prog_path xfsrestore`"
 178 export XFSINVUTIL_PROG="`set_prog_path xfsinvutil`"
 179 export GETFATTR_PROG="`set_prog_path getfattr`"
 180 export SETFATTR_PROG="`set_prog_path setfattr`"
 181 export CHACL_PROG="`set_prog_path chacl`"
 182 export ATTR_PROG="`set_prog_path attr`"
 183 export QUOTA_PROG="`set_prog_path quota`"
 184 export XFS_QUOTA_PROG="`set_prog_path xfs_quota`"
 185 export KILLALL_PROG="`set_prog_path killall`"
 186 export INDENT_PROG="`set_prog_path indent`"
 187 export XFS_COPY_PROG="`set_prog_path xfs_copy`"
 188 export FSTRIM_PROG="`set_prog_path fstrim`"
 189 export DUMPE2FS_PROG="`set_prog_path dumpe2fs`"
 190 export FIO_PROG="`set_prog_path fio`"
 191 export FILEFRAG_PROG="`set_prog_path filefrag`"
 192 export E4DEFRAG_PROG="`set_prog_path e4defrag`"
 193 export LOGGER_PROG="`set_prog_path logger`"
 194 export DBENCH_PROG="`set_prog_path dbench`"
 195 export DMSETUP_PROG="`set_prog_path dmsetup`"
 196 export WIPEFS_PROG="`set_prog_path wipefs`"
 197 export DUMP_PROG="`set_prog_path dump`"
 198 export RESTORE_PROG="`set_prog_path restore`"
 199 export LVM_PROG="`set_prog_path lvm`"
 200 export CHATTR_PROG="`set_prog_path chattr`"
 201 export DEBUGFS_PROG="`set_prog_path debugfs`"
 202 export UUIDGEN_PROG="`set_prog_path uuidgen`"
 203 export GETRICHACL_PROG="`set_prog_path getrichacl`"
 204 export SETRICHACL_PROG="`set_prog_path setrichacl`"
 205 export KEYCTL_PROG="`set_prog_path keyctl`"
 206 export XZ_PROG="`set_prog_path xz`"
 207 export FLOCK_PROG="`set_prog_path flock`"
 208
 209 # use 'udevadm settle' or 'udevsettle' to wait for lv to be settled.
 210 # newer systems have udevadm command but older systems like RHEL5 don't.
 211 # But if neither one is available, just set it to "sleep 1" to wait for lv to
 212 # be settled
 213 UDEV_SETTLE_PROG="`set_prog_path udevadm`"
 214 if [ "$UDEV_SETTLE_PROG" == "" ]; then
 215         # try udevsettle command
 216         UDEV_SETTLE_PROG="`set_prog_path udevsettle`"
 217 else
 218         # udevadm is available, add 'settle' as subcommand
 219         UDEV_SETTLE_PROG="$UDEV_SETTLE_PROG settle"
 220 fi
 221 # neither command is available, use sleep 1
 222 if [ "$UDEV_SETTLE_PROG" == "" ]; then
 223         UDEV_SETTLE_PROG="sleep 1"
 224 fi
 225 export UDEV_SETTLE_PROG
 226
 227 case "$HOSTOS" in
 228     IRIX*)
 229         export MKFS_XFS_PROG="`set_prog_path mkfs_xfs`"
 230         export MKFS_UDF_PROG="`set_prog_path mkfs_udf`"
 231         export XFS_FSR_PROG="`set_prog_path /usr/etc/fsr_xfs`"
 232         export MKFS_NFS_PROG="false"
 233         export MKFS_CIFS_PROG="false"
 234         ;;
 235     Linux)
 236         export MKFS_XFS_PROG="`set_prog_path mkfs.xfs`"
 237         export MKFS_EXT4_PROG="`set_prog_path mkfs.ext4`"
 238         export MKFS_UDF_PROG="`set_prog_path mkudffs`"
 239         export MKFS_BTRFS_PROG="`set_btrfs_mkfs_prog_path_with_opts`"
 240         export MKFS_F2FS_PROG="`set_prog_path mkfs.f2fs`"
 241         export DUMP_F2FS_PROG="`set_prog_path dump.f2fs`"
 242         export BTRFS_UTIL_PROG="`set_prog_path btrfs`"
 243         export BTRFS_SHOW_SUPER_PROG="`set_prog_path btrfs-show-super`"
 244         export BTRFS_CONVERT_PROG="`set_prog_path btrfs-convert`"
 245         export XFS_FSR_PROG="`set_prog_path xfs_fsr`"
 246         export MKFS_NFS_PROG="false"
 247         export MKFS_CIFS_PROG="false"
 248         export MKFS_OVERLAY_PROG="false"
 249         export MKFS_REISER4_PROG="`set_prog_path mkfs.reiser4`"
 250         export E2FSCK_PROG="`set_prog_path e2fsck`"
 251         export TUNE2FS_PROG="`set_prog_path tune2fs`"
 252         ;;
 253 esac
 254
 255 # SELinux adds extra xattrs which can mess up our expected output.
 256 # So, mount with a context, and they won't be created
 257 # # nfs_t is a "liberal" context so we can use it.
 258 if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
 259         SELINUX_MOUNT_OPTIONS="-o context=system_u:object_r:nfs_t:s0"
 260         export SELINUX_MOUNT_OPTIONS
 261 fi
 262
 263 # check if mkfs.xfs supports v5 xfs
 264 XFS_MKFS_HAS_NO_META_SUPPORT=""
 265 touch /tmp/crc_check.img
 266 $MKFS_XFS_PROG -N -d file,name=/tmp/crc_check.img,size=32m -m crc=0 \
 267         >/dev/null 2>&1;
 268 if [ $? -ne 0 ]; then
 269         XFS_MKFS_HAS_NO_META_SUPPORT=true
 270 fi
 271 rm -f /tmp/crc_check.img
 272 export XFS_MKFS_HAS_NO_META_SUPPORT
 273
 274 # new doesn't need config file parsed, we can stop here
 275 if [ "$iam" == "new" ]; then
 276         return 0
 277 fi
 278
 279 _mount_opts()
 280 {
 281         case $FSTYP in
 282         xfs)
 283                 export MOUNT_OPTIONS=$XFS_MOUNT_OPTIONS
 284                 ;;
 285         udf)
 286                 export MOUNT_OPTIONS=$UDF_MOUNT_OPTIONS
 287                 ;;
 288         nfs)
 289                 export MOUNT_OPTIONS=$NFS_MOUNT_OPTIONS
 290                 ;;
 291         cifs)
 292                 export MOUNT_OPTIONS=$CIFS_MOUNT_OPTIONS
 293                 ;;
 294         ceph)
 295                 export MOUNT_OPTIONS=$CEPHFS_MOUNT_OPTIONS
 296                 ;;
 297         overlay)
 298                 export MOUNT_OPTIONS=$OVERLAY_MOUNT_OPTIONS
 299                 ;;
 300         ext2|ext3|ext4|ext4dev)
 301                 # acls & xattrs aren't turned on by default on ext$FOO
 302                 export MOUNT_OPTIONS="-o acl,user_xattr $EXT_MOUNT_OPTIONS"
 303                 ;;
 304         f2fs)
 305                 export MOUNT_OPTIONS="-o acl,user_xattr $F2FS_MOUNT_OPTIONS"
 306                 ;;
 307         reiserfs)
 308                 # acls & xattrs aren't turned on by default on reiserfs
 309                 export MOUNT_OPTIONS="-o acl,user_xattr $REISERFS_MOUNT_OPTIONS"
 310                 ;;
 311        reiser4)
 312                # acls & xattrs aren't supported by reiser4
 313                export MOUNT_OPTIONS=$REISER4_MOUNT_OPTIONS
 314                ;;
 315         gfs2)
 316                 # acls aren't turned on by default on gfs2
 317                 export MOUNT_OPTIONS="-o acl $GFS2_MOUNT_OPTIONS"
 318                 ;;
 319         tmpfs)
 320                 # We need to specify the size at mount, use 1G by default
 321                 export MOUNT_OPTIONS="-o size=1G $TMPFS_MOUNT_OPTIONS"
 322                 ;;
 323         *)
 324                 ;;
 325         esac
 326 }
 327
 328 _test_mount_opts()
 329 {
 330         case $FSTYP in
 331         cifs)
 332                 export TEST_FS_MOUNT_OPTS=$CIFS_MOUNT_OPTIONS
 333                 ;;
 334         ceph)
 335                 export TEST_FS_MOUNT_OPTS=$CEPHFS_MOUNT_OPTIONS
 336                 ;;
 337         *)
 338                 ;;
 339         esac
 340 }
 341
 342 _mkfs_opts()
 343 {
 344         case $FSTYP in
 345         xfs)
 346                 export MKFS_OPTIONS=$XFS_MKFS_OPTIONS
 347                 ;;
 348         udf)
 349                 [ ! -z "$udf_fsize" ] && \
 350                         UDF_MKFS_OPTIONS="$UDF_MKFS_OPTIONS -s $udf_fsize"
 351                 export MKFS_OPTIONS=$UDF_MKFS_OPTIONS
 352                 ;;
 353         nfs)
 354                 export MKFS_OPTIONS=$NFS_MKFS_OPTIONS
 355                 ;;
 356         cifs)
 357                 export MKFS_OPTIONS=$CIFS_MKFS_OPTIONS
 358                 ;;
 359         ceph)
 360                 export MKFS_OPTIONS=$CEPHFS_MKFS_OPTIONS
 361                 ;;
 362         reiserfs)
 363                 export MKFS_OPTIONS="$REISERFS_MKFS_OPTIONS -q"
 364                 ;;
 365        reiser4)
 366                 export MKFS_OPTIONS=$REISER4_MKFS_OPTIONS
 367                 ;;
 368         gfs2)
 369                 export MKFS_OPTIONS="$GFS2_MKFS_OPTIONS -O -p lock_nolock"
 370                 ;;
 371         jfs)
 372                 export MKFS_OPTIONS="$JFS_MKFS_OPTIONS -q"
 373                 ;;
 374         f2fs)
 375                 export MKFS_OPTIONS="$F2FS_MKFS_OPTIONS"
 376                 ;;
 377         *)
 378                 ;;
 379         esac
 380 }
 381
 382 _fsck_opts()
 383 {
 384         case $FSTYP in
 385         ext2|ext3|ext4|ext4dev)
 386                 export FSCK_OPTIONS="-nf"
 387                 ;;
 388         reiser*)
 389                 export FSCK_OPTIONS="--yes"
 390                 ;;
 391         f2fs)
 392                 export FSCK_OPTIONS=""
 393                 ;;
 394         *)
 395                 export FSCK_OPTIONS="-n"
 396                 ;;
 397         esac
 398 }
 399
 400 known_hosts()
 401 {
 402         [ "$HOST_CONFIG_DIR" ] || HOST_CONFIG_DIR=`pwd`/configs
 403
 404         [ -f /etc/xfsqa.config ]             && export HOST_OPTIONS=/etc/xfsqa.config
 405         [ -f $HOST_CONFIG_DIR/$HOST ]        && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST
 406         [ -f $HOST_CONFIG_DIR/$HOST.config ] && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST.config
 407 }
 408
 409 # Returns a list of sections in config file
 410 # Each section starts with the section name in the format
 411 # [section_name1]. Only alphanumeric characters and '_' is allowed
 412 # in the section name otherwise the section will not be resognised.
 413 # Section name must be contained between square brackets.
 414 get_config_sections() {
 415         sed -n -e "s/^\[\([[:alnum:]_]*\)\]/\1/p" < $1
 416 }
 417
 418 if [ ! -f "$HOST_OPTIONS" ]; then
 419         known_hosts
 420 fi
 421
 422 export HOST_OPTIONS_SECTIONS="-no-sections-"
 423 export OPTIONS_HAVE_SECTIONS=false
 424 if [ -f "$HOST_OPTIONS" ]; then
 425         export HOST_OPTIONS_SECTIONS=`get_config_sections $HOST_OPTIONS`
 426         if [ -z "$HOST_OPTIONS_SECTIONS" ]; then
 427                 . $HOST_OPTIONS
 428                 export HOST_OPTIONS_SECTIONS="-no-sections-"
 429         else
 430                 export OPTIONS_HAVE_SECTIONS=true
 431         fi
 432 fi
 433
 434 _check_device()
 435 {
 436         local name=$1
 437         local dev_needed=$2
 438         local dev=$3
 439
 440         if [ -z "$dev" ]; then
 441                 if [ "$dev_needed" == "required" ]; then
 442                         _fatal "common/config: $name is required but not defined!"
 443                 fi
 444                 return
 445         fi
 446
 447         echo $dev | grep -qE ":|//" > /dev/null 2>&1
 448         network_dev=$?
 449         if [ "$FSTYP" == "overlay" ]; then
 450                 if [ ! -d "$dev" ]; then
 451                         _fatal "common/config: $name ($dev) is not a directory for overlay"
 452                 fi
 453         elif [ ! -b "$dev" -a "$network_dev" != "0" ]; then
 454                 _fatal "common/config: $name ($dev) is not a block device or a network filesystem"
 455         fi
 456 }
 457
 458 # Parse config section options. This function will parse all the configuration
 459 # within a single section which name is passed as an argument. For section
 460 # name format see comments in get_config_sections().
 461 # Empty lines and everything after '#' will be ignored.
 462 # Configuration options should be defined in the format
 463 #
 464 # CONFIG_OPTION=value
 465 #
 466 # This 'CONFIG_OPTION' variable and will be exported as an environment variable.
 467 parse_config_section() {
 468         SECTION=$1
 469         if ! $OPTIONS_HAVE_SECTIONS; then
 470                 return 0
 471         fi
 472         eval `sed -e 's/[[:space:]]*\=[[:space:]]*/=/g' \
 473                 -e 's/#.*$//' \
 474                 -e 's/[[:space:]]*$//' \
 475                 -e 's/^[[:space:]]*//' \
 476                 -e "s/^\([^=]*\)=\"\?'\?\([^\"']*\)\"\?'\?$/export \1=\"\2\"/" \
 477                 < $HOST_OPTIONS \
 478                 | sed -n -e "/^\[$SECTION\]/,/^\s*\[/{/^[^#].*\=.*/p;}"`
 479 }
 480
 481 get_next_config() {
 482         if [ ! -z "$CONFIG_INCLUDED" ] && ! $OPTIONS_HAVE_SECTIONS; then
 483                 return 0
 484         fi
 485
 486         local OLD_FSTYP=$FSTYP
 487         local OLD_MOUNT_OPTIONS=$MOUNT_OPTIONS
 488         local OLD_TEST_FS_MOUNT_OPTS=$TEST_FS_MOUNT_OPTS
 489         local OLD_MKFS_OPTIONS=$MKFS_OPTIONS
 490         local OLD_FSCK_OPTIONS=$FSCK_OPTIONS
 491         local OLD_USE_EXTERNAL=$USE_EXTERNAL
 492
 493         unset MOUNT_OPTIONS
 494         unset MKFS_OPTIONS
 495         unset FSCK_OPTIONS
 496         unset USE_EXTERNAL
 497
 498         # We might have deduced SCRATCH_DEV from the SCRATCH_DEV_POOL in the previous
 499         # run, so we have to unset it now.
 500         if [ "$SCRATCH_DEV_NOT_SET" == "true" ]; then
 501                 unset SCRATCH_DEV
 502         fi
 503
 504         parse_config_section $1
 505
 506         if [ ! -z "$OLD_FSTYP" ] && [ $OLD_FSTYP != $FSTYP ]; then
 507                 [ -z "$MOUNT_OPTIONS" ] && _mount_opts
 508                 [ -z "$TEST_FS_MOUNT_OPTS" ] && _test_mount_opts
 509                 [ -z "$MKFS_OPTIONS" ] && _mkfs_opts
 510                 [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 511
 512                 # clear the external devices if we are not using them
 513                 if [ -z "$USE_EXTERNAL" ]; then
 514                         unset TEST_RTDEV
 515                         unset TEST_LOGDEV
 516                         unset SCRATCH_RTDEV
 517                         unset SCRATCH_LOGDEV
 518                 fi
 519         else
 520                 [ -z "$MOUNT_OPTIONS" ] && export MOUNT_OPTIONS=$OLD_MOUNT_OPTIONS
 521                 [ -z "$TEST_FS_MOUNT_OPTS" ] && export TEST_FS_MOUNT_OPTS=$OLD_TEST_FS_MOUNT_OPTS
 522                 [ -z "$MKFS_OPTIONS" ] && export MKFS_OPTIONS=$OLD_MKFS_OPTIONS
 523                 [ -z "$FSCK_OPTIONS" ] && export FSCK_OPTIONS=$OLD_FSCK_OPTIONS
 524                 [ -z "$USE_EXTERNAL" ] && export USE_EXTERNAL=$OLD_USE_EXTERNAL
 525         fi
 526
 527         # set default RESULT_BASE
 528         if [ -z "$RESULT_BASE" ]; then
 529                 export RESULT_BASE="$here/results/"
 530         fi
 531
 532         #  Mandatory Config values.
 533         MC=""
 534         [ -z "$EMAIL" ]          && MC="$MC EMAIL"
 535         [ -z "$TEST_DIR" ]       && MC="$MC TEST_DIR"
 536         [ -z "$TEST_DEV" ]       && MC="$MC TEST_DEV"
 537
 538         if [ -n "$MC" ]; then
 539                 echo "Warning: need to define parameters for host $HOST"
 540                 echo "       or set variables:"
 541                 echo "       $MC"
 542                 exit 1
 543         fi
 544
 545         _check_device TEST_DEV required $TEST_DEV
 546         if [ ! -d "$TEST_DIR" ]; then
 547                 echo "common/config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
 548                 exit 1
 549         fi
 550
 551         # a btrfs tester will set only SCRATCH_DEV_POOL, we will put first of its dev
 552         # to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility
 553         if [ ! -z "$SCRATCH_DEV_POOL" ]; then
 554                 if [ ! -z "$SCRATCH_DEV" ]; then
 555                         echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) should be unset when \$SCRATCH_DEV_POOL ($SCRATCH_DEV_POOL) is set"
 556                         exit 1
 557                 fi
 558                 SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
 559                 export SCRATCH_DEV
 560                 export SCRATCH_DEV_NOT_SET=true
 561         fi
 562
 563         _check_device SCRATCH_DEV optional $SCRATCH_DEV
 564         if [ ! -z "$SCRATCH_MNT" -a ! -d "$SCRATCH_MNT" ]; then
 565                 echo "common/config: Error: \$SCRATCH_MNT ($SCRATCH_MNT) is not a directory"
 566                 exit 1
 567         fi
 568
 569         if [ -n "$USE_EXTERNAL" ]; then
 570                 _check_device TEST_RTDEV optional $TEST_RTDEV
 571                 _check_device TEST_LOGDEV optional $TEST_LOGDEV
 572                 _check_device SCRATCH_RTDEV optional $SCRATCH_RTDEV
 573                 _check_device SCRATCH_LOGDEV optional $SCRATCH_LOGDEV
 574         fi
 575 }
 576
 577 if [ -z "$CONFIG_INCLUDED" ]; then
 578         get_next_config `echo $HOST_OPTIONS_SECTIONS | cut -f1 -d" "`
 579         export CONFIG_INCLUDED=true
 580
 581         # Autodetect fs type based on what's on $TEST_DEV unless it's been set
 582         # externally
 583         if [ -z "$FSTYP" ] && \
 584            [ "$HOSTOS" == "Linux" -o "$OSTYPE" == "linux-gnu" ] && \
 585            [ ! -z "$TEST_DEV" ]; then
 586                 FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV`
 587         fi
 588         FSTYP=${FSTYP:=xfs}
 589         export FSTYP
 590         [ -z "$MOUNT_OPTIONS" ] && _mount_opts
 591         [ -z "$TEST_FS_MOUNT_OPTS" ] && _test_mount_opts
 592         [ -z "$MKFS_OPTIONS" ] && _mkfs_opts
 593         [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 594 fi
 595
 596 # canonicalize the mount points
 597 # this follows symlinks and removes all trailing "/"s
 598 export TEST_DIR=`readlink -e "$TEST_DIR"`
 599 export SCRATCH_MNT=`readlink -e "$SCRATCH_MNT"`
 600
 601 # make sure this script returns success
 602 /bin/true