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