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="$__XFSDUMP_PROG -e"
 174 else
 175         export XFSDUMP_PROG=""
 176 fi
 177 export XFSRESTORE_PROG="`set_prog_path xfsrestore`"
 178 export XFSINVUTIL_PROG="`set_prog_path xfsinvutil`"
 179 export GETFATTR_PROG="`set_prog_path getfattr`"
 180 export SETFATTR_PROG="`set_prog_path setfattr`"
 181 export CHACL_PROG="`set_prog_path chacl`"
 182 export ATTR_PROG="`set_prog_path attr`"
 183 export QUOTA_PROG="`set_prog_path quota`"
 184 export XFS_QUOTA_PROG="`set_prog_path xfs_quota`"
 185 export KILLALL_PROG="`set_prog_path killall`"
 186 export INDENT_PROG="`set_prog_path indent`"
 187 export XFS_COPY_PROG="`set_prog_path xfs_copy`"
 188 export FSTRIM_PROG="`set_prog_path fstrim`"
 189 export DUMPE2FS_PROG="`set_prog_path dumpe2fs`"
 190 export FIO_PROG="`set_prog_path fio`"
 191 export FILEFRAG_PROG="`set_prog_path filefrag`"
 192 export E4DEFRAG_PROG="`set_prog_path e4defrag`"
 193 export LOGGER_PROG="`set_prog_path logger`"
 194 export DBENCH_PROG="`set_prog_path dbench`"
 195 export DMSETUP_PROG="`set_prog_path dmsetup`"
 196 export WIPEFS_PROG="`set_prog_path wipefs`"
 197 export DUMP_PROG="`set_prog_path dump`"
 198 export RESTORE_PROG="`set_prog_path restore`"
 199 export LVM_PROG="`set_prog_path lvm`"
 200 export CHATTR_PROG="`set_prog_path chattr`"
 201 export DEBUGFS_PROG="`set_prog_path debugfs`"
 202 export UUIDGEN_PROG="`set_prog_path uuidgen`"
 203 export GETRICHACL_PROG="`set_prog_path getrichacl`"
 204 export SETRICHACL_PROG="`set_prog_path setrichacl`"
 205 export KEYCTL_PROG="`set_prog_path keyctl`"
 206
 207 # use 'udevadm settle' or 'udevsettle' to wait for lv to be settled.
 208 # newer systems have udevadm command but older systems like RHEL5 don't.
 209 # But if neither one is available, just set it to "sleep 1" to wait for lv to
 210 # be settled
 211 UDEV_SETTLE_PROG="`set_prog_path udevadm`"
 212 if [ "$UDEV_SETTLE_PROG" == "" ]; then
 213         # try udevsettle command
 214         UDEV_SETTLE_PROG="`set_prog_path udevsettle`"
 215 else
 216         # udevadm is available, add 'settle' as subcommand
 217         UDEV_SETTLE_PROG="$UDEV_SETTLE_PROG settle"
 218 fi
 219 # neither command is available, use sleep 1
 220 if [ "$UDEV_SETTLE_PROG" == "" ]; then
 221         UDEV_SETTLE_PROG="sleep 1"
 222 fi
 223 export UDEV_SETTLE_PROG
 224
 225 # Generate a comparable xfsprogs version number in the form of
 226 # major * 10000 + minor * 100 + release
 227 #
 228 # $ xfs_db -V
 229 # xfs_db version 2.9.7
 230 #
 231 # so, 2.9.7 = 20907
 232 _version=`$XFS_DB_PROG -V | $AWK_PROG '
 233         /version/ {
 234                 if (split($3,ver,".") == 3)
 235                         print (ver[1] * 10000) + (ver[2] * 100) + ver[3];
 236         }'`
 237 [ -z "$_version" ] && _fatal "xfsprogs version cannot be found"
 238 export XFSPROGS_VERSION="$_version"
 239
 240 case "$HOSTOS" in
 241     IRIX*)
 242         export MKFS_XFS_PROG="`set_prog_path mkfs_xfs`"
 243         export MKFS_UDF_PROG="`set_prog_path mkfs_udf`"
 244         export XFS_FSR_PROG="`set_prog_path /usr/etc/fsr_xfs`"
 245         export MKFS_NFS_PROG="false"
 246         export MKFS_CIFS_PROG="false"
 247         ;;
 248     Linux)
 249         export MKFS_XFS_PROG="`set_prog_path mkfs.xfs`"
 250         export MKFS_EXT4_PROG="`set_prog_path mkfs.ext4`"
 251         export MKFS_UDF_PROG="`set_prog_path mkudffs`"
 252         export MKFS_BTRFS_PROG="`set_btrfs_mkfs_prog_path_with_opts`"
 253         export MKFS_F2FS_PROG="`set_prog_path mkfs.f2fs`"
 254         export DUMP_F2FS_PROG="`set_prog_path dump.f2fs`"
 255         export BTRFS_UTIL_PROG="`set_prog_path btrfs`"
 256         export BTRFS_SHOW_SUPER_PROG="`set_prog_path btrfs-show-super`"
 257         export XFS_FSR_PROG="`set_prog_path xfs_fsr`"
 258         export MKFS_NFS_PROG="false"
 259         export MKFS_CIFS_PROG="false"
 260         export MKFS_OVERLAY_PROG="false"
 261         export MKFS_REISER4_PROG="`set_prog_path mkfs.reiser4`"
 262         ;;
 263 esac
 264
 265 # SELinux adds extra xattrs which can mess up our expected output.
 266 # So, mount with a context, and they won't be created
 267 # # nfs_t is a "liberal" context so we can use it.
 268 if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
 269         SELINUX_MOUNT_OPTIONS="-o context=system_u:object_r:nfs_t:s0"
 270         export SELINUX_MOUNT_OPTIONS
 271 fi
 272
 273 # check if mkfs.xfs supports v5 xfs
 274 XFS_MKFS_HAS_NO_META_SUPPORT=""
 275 touch /tmp/crc_check.img
 276 $MKFS_XFS_PROG -N -d file,name=/tmp/crc_check.img,size=32m -m crc=0 \
 277         >/dev/null 2>&1;
 278 if [ $? -ne 0 ]; then
 279         XFS_MKFS_HAS_NO_META_SUPPORT=true
 280 fi
 281 rm -f /tmp/crc_check.img
 282 export XFS_MKFS_HAS_NO_META_SUPPORT
 283
 284 # new doesn't need config file parsed, we can stop here
 285 if [ "$iam" == "new" ]; then
 286         return 0
 287 fi
 288
 289 _mount_opts()
 290 {
 291         case $FSTYP in
 292         xfs)
 293                 export MOUNT_OPTIONS=$XFS_MOUNT_OPTIONS
 294                 ;;
 295         udf)
 296                 export MOUNT_OPTIONS=$UDF_MOUNT_OPTIONS
 297                 ;;
 298         nfs)
 299                 export MOUNT_OPTIONS=$NFS_MOUNT_OPTIONS
 300                 ;;
 301         cifs)
 302                 export MOUNT_OPTIONS=$CIFS_MOUNT_OPTIONS
 303                 ;;
 304         ceph)
 305                 export MOUNT_OPTIONS=$CEPHFS_MOUNT_OPTIONS
 306                 ;;
 307         overlay)
 308                 export MOUNT_OPTIONS=$OVERLAY_MOUNT_OPTIONS
 309                 ;;
 310         ext2|ext3|ext4|ext4dev)
 311                 # acls & xattrs aren't turned on by default on ext$FOO
 312                 export MOUNT_OPTIONS="-o acl,user_xattr $EXT_MOUNT_OPTIONS"
 313                 ;;
 314         f2fs)
 315                 export MOUNT_OPTIONS="-o acl,user_xattr $F2FS_MOUNT_OPTIONS"
 316                 ;;
 317         reiserfs)
 318                 # acls & xattrs aren't turned on by default on reiserfs
 319                 export MOUNT_OPTIONS="-o acl,user_xattr $REISERFS_MOUNT_OPTIONS"
 320                 ;;
 321        reiser4)
 322                # acls & xattrs aren't supported by reiser4
 323                export MOUNT_OPTIONS=$REISER4_MOUNT_OPTIONS
 324                ;;
 325         gfs2)
 326                 # acls aren't turned on by default on gfs2
 327                 export MOUNT_OPTIONS="-o acl $GFS2_MOUNT_OPTIONS"
 328                 ;;
 329         tmpfs)
 330                 # We need to specify the size at mount, use 1G by default
 331                 export MOUNT_OPTIONS="-o size=1G $TMPFS_MOUNT_OPTIONS"
 332                 ;;
 333         *)
 334                 ;;
 335         esac
 336 }
 337
 338 _test_mount_opts()
 339 {
 340         case $FSTYP in
 341         cifs)
 342                 export TEST_FS_MOUNT_OPTS=$CIFS_MOUNT_OPTIONS
 343                 ;;
 344         ceph)
 345                 export TEST_FS_MOUNT_OPTS=$CEPHFS_MOUNT_OPTIONS
 346                 ;;
 347         *)
 348                 ;;
 349         esac
 350 }
 351
 352 _mkfs_opts()
 353 {
 354         case $FSTYP in
 355         xfs)
 356                 export MKFS_OPTIONS=$XFS_MKFS_OPTIONS
 357                 ;;
 358         udf)
 359                 [ ! -z "$udf_fsize" ] && \
 360                         UDF_MKFS_OPTIONS="$UDF_MKFS_OPTIONS -s $udf_fsize"
 361                 export MKFS_OPTIONS=$UDF_MKFS_OPTIONS
 362                 ;;
 363         nfs)
 364                 export MKFS_OPTIONS=$NFS_MKFS_OPTIONS
 365                 ;;
 366         cifs)
 367                 export MKFS_OPTIONS=$CIFS_MKFS_OPTIONS
 368                 ;;
 369         ceph)
 370                 export MKFS_OPTIONS=$CEPHFS_MKFS_OPTIONS
 371                 ;;
 372         reiserfs)
 373                 export MKFS_OPTIONS="$REISERFS_MKFS_OPTIONS -q"
 374                 ;;
 375        reiser4)
 376                 export MKFS_OPTIONS=$REISER4_MKFS_OPTIONS
 377                 ;;
 378         gfs2)
 379                 export MKFS_OPTIONS="$GFS2_MKFS_OPTIONS -O -p lock_nolock"
 380                 ;;
 381         jfs)
 382                 export MKFS_OPTIONS="$JFS_MKFS_OPTIONS -q"
 383                 ;;
 384         f2fs)
 385                 export MKFS_OPTIONS="$F2FS_MKFS_OPTIONS"
 386                 ;;
 387         *)
 388                 ;;
 389         esac
 390 }
 391
 392 _fsck_opts()
 393 {
 394         case $FSTYP in
 395         ext2|ext3|ext4|ext4dev)
 396                 export FSCK_OPTIONS="-nf"
 397                 ;;
 398         reiser*)
 399                 export FSCK_OPTIONS="--yes"
 400                 ;;
 401         f2fs)
 402                 export FSCK_OPTIONS=""
 403                 ;;
 404         *)
 405                 export FSCK_OPTIONS="-n"
 406                 ;;
 407         esac
 408 }
 409
 410 known_hosts()
 411 {
 412         [ "$HOST_CONFIG_DIR" ] || HOST_CONFIG_DIR=`pwd`/configs
 413
 414         [ -f /etc/xfsqa.config ]             && export HOST_OPTIONS=/etc/xfsqa.config
 415         [ -f $HOST_CONFIG_DIR/$HOST ]        && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST
 416         [ -f $HOST_CONFIG_DIR/$HOST.config ] && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST.config
 417 }
 418
 419 # Returns a list of sections in config file
 420 # Each section starts with the section name in the format
 421 # [section_name1]. Only alphanumeric characters and '_' is allowed
 422 # in the section name otherwise the section will not be resognised.
 423 # Section name must be contained between square brackets.
 424 get_config_sections() {
 425         sed -n -e "s/^\[\([[:alnum:]_]*\)\]/\1/p" < $1
 426 }
 427
 428 if [ ! -f "$HOST_OPTIONS" ]; then
 429         known_hosts
 430 fi
 431
 432 export HOST_OPTIONS_SECTIONS="-no-sections-"
 433 export OPTIONS_HAVE_SECTIONS=false
 434 if [ -f "$HOST_OPTIONS" ]; then
 435         export HOST_OPTIONS_SECTIONS=`get_config_sections $HOST_OPTIONS`
 436         if [ -z "$HOST_OPTIONS_SECTIONS" ]; then
 437                 . $HOST_OPTIONS
 438                 export HOST_OPTIONS_SECTIONS="-no-sections-"
 439         else
 440                 export OPTIONS_HAVE_SECTIONS=true
 441         fi
 442 fi
 443
 444 _check_device()
 445 {
 446         local name=$1
 447         local dev_needed=$2
 448         local dev=$3
 449
 450         if [ -z "$dev" ]; then
 451                 if [ "$dev_needed" == "required" ]; then
 452                         _fatal "common/config: $name is required but not defined!"
 453                 fi
 454                 return
 455         fi
 456
 457         echo $dev | grep -qE ":|//" > /dev/null 2>&1
 458         network_dev=$?
 459         if [ "$FSTYP" == "overlay" ]; then
 460                 if [ ! -d "$dev" ]; then
 461                         _fatal "common/config: $name ($dev) is not a directory for overlay"
 462                 fi
 463         elif [ ! -b "$dev" -a "$network_dev" != "0" ]; then
 464                 _fatal "common/config: $name ($dev) is not a block device or a network filesystem"
 465         fi
 466 }
 467
 468 # Parse config section options. This function will parse all the configuration
 469 # within a single section which name is passed as an argument. For section
 470 # name format see comments in get_config_sections().
 471 # Empty lines and everything after '#' will be ignored.
 472 # Configuration options should be defined in the format
 473 #
 474 # CONFIG_OPTION=value
 475 #
 476 # This 'CONFIG_OPTION' variable and will be exported as an environment variable.
 477 parse_config_section() {
 478         SECTION=$1
 479         if ! $OPTIONS_HAVE_SECTIONS; then
 480                 return 0
 481         fi
 482         eval `sed -e 's/[[:space:]]*\=[[:space:]]*/=/g' \
 483                 -e 's/#.*$//' \
 484                 -e 's/[[:space:]]*$//' \
 485                 -e 's/^[[:space:]]*//' \
 486                 -e "s/^\([^=]*\)=\"\?'\?\([^\"']*\)\"\?'\?$/export \1=\"\2\"/" \
 487                 < $HOST_OPTIONS \
 488                 | sed -n -e "/^\[$SECTION\]/,/^\s*\[/{/^[^#].*\=.*/p;}"`
 489 }
 490
 491 get_next_config() {
 492         if [ ! -z "$CONFIG_INCLUDED" ] && ! $OPTIONS_HAVE_SECTIONS; then
 493                 return 0
 494         fi
 495
 496         local OLD_FSTYP=$FSTYP
 497         local OLD_MOUNT_OPTIONS=$MOUNT_OPTIONS
 498         local OLD_TEST_FS_MOUNT_OPTS=$TEST_FS_MOUNT_OPTS
 499         local OLD_MKFS_OPTIONS=$MKFS_OPTIONS
 500         local OLD_FSCK_OPTIONS=$FSCK_OPTIONS
 501         local OLD_USE_EXTERNAL=$USE_EXTERNAL
 502
 503         unset MOUNT_OPTIONS
 504         unset MKFS_OPTIONS
 505         unset FSCK_OPTIONS
 506         unset USE_EXTERNAL
 507
 508         # We might have deduced SCRATCH_DEV from the SCRATCH_DEV_POOL in the previous
 509         # run, so we have to unset it now.
 510         if [ "$SCRATCH_DEV_NOT_SET" == "true" ]; then
 511                 unset SCRATCH_DEV
 512         fi
 513
 514         parse_config_section $1
 515
 516         if [ ! -z "$OLD_FSTYP" ] && [ $OLD_FSTYP != $FSTYP ]; then
 517                 [ -z "$MOUNT_OPTIONS" ] && _mount_opts
 518                 [ -z "$TEST_FS_MOUNT_OPTS" ] && _test_mount_opts
 519                 [ -z "$MKFS_OPTIONS" ] && _mkfs_opts
 520                 [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 521
 522                 # clear the external devices if we are not using them
 523                 if [ -z "$USE_EXTERNAL" ]; then
 524                         unset TEST_RTDEV
 525                         unset TEST_LOGDEV
 526                         unset SCRATCH_RTDEV
 527                         unset SCRATCH_LOGDEV
 528                 fi
 529         else
 530                 [ -z "$MOUNT_OPTIONS" ] && export MOUNT_OPTIONS=$OLD_MOUNT_OPTIONS
 531                 [ -z "$TEST_FS_MOUNT_OPTS" ] && export TEST_FS_MOUNT_OPTS=$OLD_TEST_FS_MOUNT_OPTS
 532                 [ -z "$MKFS_OPTIONS" ] && export MKFS_OPTIONS=$OLD_MKFS_OPTIONS
 533                 [ -z "$FSCK_OPTIONS" ] && export FSCK_OPTIONS=$OLD_FSCK_OPTIONS
 534                 [ -z "$USE_EXTERNAL" ] && export USE_EXTERNAL=$OLD_USE_EXTERNAL
 535         fi
 536
 537         # set default RESULT_BASE
 538         if [ -z "$RESULT_BASE" ]; then
 539                 export RESULT_BASE="$here/results/"
 540         fi
 541
 542         #  Mandatory Config values.
 543         MC=""
 544         [ -z "$EMAIL" ]          && MC="$MC EMAIL"
 545         [ -z "$TEST_DIR" ]       && MC="$MC TEST_DIR"
 546         [ -z "$TEST_DEV" ]       && MC="$MC TEST_DEV"
 547
 548         if [ -n "$MC" ]; then
 549                 echo "Warning: need to define parameters for host $HOST"
 550                 echo "       or set variables:"
 551                 echo "       $MC"
 552                 exit 1
 553         fi
 554
 555         _check_device TEST_DEV required $TEST_DEV
 556         if [ ! -d "$TEST_DIR" ]; then
 557                 echo "common/config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
 558                 exit 1
 559         fi
 560
 561         # a btrfs tester will set only SCRATCH_DEV_POOL, we will put first of its dev
 562         # to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility
 563         if [ ! -z "$SCRATCH_DEV_POOL" ]; then
 564                 if [ ! -z "$SCRATCH_DEV" ]; then
 565                         echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) should be unset when \$SCRATCH_DEV_POOL ($SCRATCH_DEV_POOL) is set"
 566                         exit 1
 567                 fi
 568                 SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
 569                 export SCRATCH_DEV
 570                 export SCRATCH_DEV_NOT_SET=true
 571         fi
 572
 573         _check_device SCRATCH_DEV optional $SCRATCH_DEV
 574         if [ ! -z "$SCRATCH_MNT" -a ! -d "$SCRATCH_MNT" ]; then
 575                 echo "common/config: Error: \$SCRATCH_MNT ($SCRATCH_MNT) is not a directory"
 576                 exit 1
 577         fi
 578
 579         if [ -n "$USE_EXTERNAL" ]; then
 580                 _check_device TEST_RTDEV optional $TEST_RTDEV
 581                 _check_device TEST_LOGDEV optional $TEST_LOGDEV
 582                 _check_device SCRATCH_RTDEV optional $SCRATCH_RTDEV
 583                 _check_device SCRATCH_LOGDEV optional $SCRATCH_LOGDEV
 584         fi
 585 }
 586
 587 if [ -z "$CONFIG_INCLUDED" ]; then
 588         get_next_config `echo $HOST_OPTIONS_SECTIONS | cut -f1 -d" "`
 589         export CONFIG_INCLUDED=true
 590
 591         # Autodetect fs type based on what's on $TEST_DEV unless it's been set
 592         # externally
 593         if [ -z "$FSTYP" ] && \
 594            [ "$HOSTOS" == "Linux" -o "$OSTYPE" == "linux-gnu" ] && \
 595            [ ! -z "$TEST_DEV" ]; then
 596                 FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV`
 597         fi
 598         FSTYP=${FSTYP:=xfs}
 599         export FSTYP
 600         [ -z "$MOUNT_OPTIONS" ] && _mount_opts
 601         [ -z "$TEST_FS_MOUNT_OPTS" ] && _test_mount_opts
 602         [ -z "$MKFS_OPTIONS" ] && _mkfs_opts
 603         [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 604 fi
 605
 606 # canonicalize the mount points
 607 # this follows symlinks and removes all trailing "/"s
 608 export TEST_DIR=`readlink -e "$TEST_DIR"`
 609 export SCRATCH_MNT=`readlink -e "$SCRATCH_MNT"`
 610
 611 # make sure this script returns success
 612 /bin/true