common/config

   1 ##/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2000-2003,2006 Silicon Graphics, Inc.  All Rights Reserved.
   4 #
   5 # setup and check for config parameters, and in particular
   6 #
   7 # EMAIL -           email of the script runner.
   8 # TEST_DIR -        scratch test directory that is in an already
   9 #                   mounted XFS file system, needs to be be world
  10 #                   writeable
  11 # TEST_DEV -        device for file system containing TEST_DIR
  12 #
  13 # and optionally:
  14 # SCRATCH_DEV -     device you can make a scratch file system on
  15 # SCRATCH_MNT -     mount point for scratch file system
  16 # SCRATCH_LOGDEV -  scratch log device for external log testing
  17 # SCRATCH_RTDEV -   scratch rt dev
  18 # TEST_LOGDEV -     test log device for external log testing
  19 # TEST_RTDEV -      test rt dev
  20 # TAPE_DEV -        the tape device for the xfsdump tests
  21 # RMT_TAPE_DEV -    the remote tape device for the xfsdump tests
  22 # RMT_IRIXTAPE_DEV- the IRIX remote tape device for the xfsdump tests
  23 # RMT_TAPE_USER -   remote user for tape device
  24 # SELINUX_MOUNT_OPTIONS - Options to use when SELinux is enabled.
  25 # KEEP_DMESG -      whether to keep all dmesg for each test case.
  26 #                   yes: keep all dmesg
  27 #                   no: only keep dmesg with error/warning (default)
  28 #
  29 # - These can be added to $HOST_CONFIG_DIR (witch default to ./config)
  30 #   below or a separate local configuration file can be used (using
  31 #   the HOST_OPTIONS variable).
  32 # - This script is shared by the stress test system and the auto-qa
  33 #   system
  34 # - TEST_DEV & TEST_DIR must be assigned.
  35 # - this script shouldn't make any assertions about filesystem
  36 #   validity or mountedness.
  37 #
  38
  39 . common/test_names
  40
  41 # all tests should use a common language setting to prevent golden
  42 # output mismatches.
  43 export LANG=C
  44 export LC_ALL=C
  45
  46 PATH=".:$PATH"
  47
  48 export HOST=`hostname -s`
  49 test `uname -s` = "Linux" || _fatal "fstests only supports Linux"
  50
  51 export MODULAR=0               # using XFS as a module or not
  52 export BOOT="/boot"            # install target for kernels
  53 export EXTRA=${EXTRA:=xfs-qa}
  54
  55 # general parameters (mainly for auto-qa)
  56 export SOAK_PROC=3             # -p option to fsstress
  57 export SOAK_STRESS=10000       # -n option to fsstress
  58 export SOAK_PASSES=-1          # count of repetitions of fsstress (while soaking)
  59 export EMAIL=root@localhost    # where auto-qa will send its status messages
  60 export HOST_OPTIONS=${HOST_OPTIONS:=local.config}
  61 export CHECK_OPTIONS=${CHECK_OPTIONS:="-g auto"}
  62 export BENCH_PASSES=${BENCH_PASSES:=5}
  63 export XFS_MKFS_OPTIONS=${XFS_MKFS_OPTIONS:=-bsize=4096}
  64 export TIME_FACTOR=${TIME_FACTOR:=1}
  65 export LOAD_FACTOR=${LOAD_FACTOR:=1}
  66 export DEBUGFS_MNT=${DEBUGFS_MNT:="/sys/kernel/debug"}
  67
  68 # some constants for overlayfs setup
  69 export OVL_UPPER="ovl-upper"
  70 export OVL_LOWER="ovl-lower"
  71 export OVL_WORK="ovl-work"
  72 # overlay mount point parent must be the base fs root
  73 export OVL_MNT="ovl-mnt"
  74 # By default unionmount-testsuite is expected under src
  75 export UNIONMOUNT_TESTSUITE=${UNIONMOUNT_TESTSUITE:=$here/src/unionmount-testsuite}
  76
  77 # From e2fsprogs/e2fsck/e2fsck.h:
  78 # Exit code used by fsck-type programs
  79 export FSCK_OK=0
  80 export FSCK_NONDESTRUCT=1
  81 export FSCK_REBOOT=2
  82 export FSCK_UNCORRECTED=4
  83 export FSCK_ERROR=8
  84 export FSCK_USAGE=16
  85 export FSCK_CANCELED=32
  86 export FSCK_LIBRARY=128
  87
  88 export PWD=`pwd`
  89 #export DEBUG=${DEBUG:=...} # arbitrary CFLAGS really.
  90 export MALLOCLIB=${MALLOCLIB:=/usr/lib/libefence.a}
  91 export LOCAL_CONFIGURE_OPTIONS=${LOCAL_CONFIGURE_OPTIONS:=--enable-readline=yes}
  92
  93 export RECREATE_TEST_DEV=false
  94
  95 # Handle mkfs.$fstyp which does (or does not) require -f to overwrite
  96 set_mkfs_prog_path_with_opts()
  97 {
  98         local fstyp=$1
  99         local p=$(type -P mkfs.$fstyp)
 100
 101         # Note: mkfs.f2fs doesn't support the --help option yet, but it doesn't
 102         # matter since it also prints the help when an invalid option is given.
 103         if [ "$p" != "" ] && \
 104                 $p --help |& grep -q "[[:space:]]-f[[:space:]|]"; then
 105                 echo "$p -f"
 106         else
 107                 echo $p
 108         fi
 109 }
 110
 111 _fatal()
 112 {
 113     echo "$*"
 114     status=1
 115     exit 1
 116 }
 117
 118 export MKFS_PROG="$(type -P mkfs)"
 119 [ "$MKFS_PROG" = "" ] && _fatal "mkfs not found"
 120
 121 export MOUNT_PROG="$(type -P mount)"
 122 [ "$MOUNT_PROG" = "" ] && _fatal "mount not found"
 123
 124 export UMOUNT_PROG="$(type -P umount)"
 125 [ "$UMOUNT_PROG" = "" ] && _fatal "umount not found"
 126
 127 export FSSTRESS_PROG="./ltp/fsstress"
 128 [ ! -x $FSSTRESS_PROG ] && _fatal "fsstress not found or executable"
 129
 130 export PERL_PROG="$(type -P perl)"
 131 [ "$PERL_PROG" = "" ] && _fatal "perl not found"
 132
 133 export AWK_PROG="$(type -P awk)"
 134 [ "$AWK_PROG" = "" ] && _fatal "awk not found"
 135
 136 export SED_PROG="$(type -P sed)"
 137 [ "$SED_PROG" = "" ] && _fatal "sed not found"
 138
 139 export BC_PROG="$(type -P bc)"
 140 [ "$BC_PROG" = "" ] && _fatal "bc not found"
 141
 142 export PS_ALL_FLAGS="-ef"
 143
 144 export DF_PROG="$(type -P df)"
 145 [ "$DF_PROG" = "" ] && _fatal "df not found"
 146 export DF_PROG="$DF_PROG -T -P" # Linux
 147
 148 export XFS_IO_PROG="$(type -P xfs_io)"
 149 [ "$XFS_IO_PROG" = "" ] && _fatal "xfs_io not found"
 150
 151 export MKSWAP_PROG="$(type -P mkswap)"
 152 # mkswap from util-linux v2.17.2 or older needs "-f" option to force to erase
 153 # bootbits sectors
 154 MKSWAP_PROG="$MKSWAP_PROG -f"
 155
 156 export XFS_LOGPRINT_PROG="$(type -P xfs_logprint)"
 157 export XFS_REPAIR_PROG="$(type -P xfs_repair)"
 158 export XFS_DB_PROG="$(type -P xfs_db)"
 159 export XFS_METADUMP_PROG="$(type -P xfs_metadump)"
 160 export XFS_ADMIN_PROG="$(type -P xfs_admin)"
 161 export XFS_GROWFS_PROG=$(type -P xfs_growfs)
 162 export XFS_SPACEMAN_PROG="$(type -P xfs_spaceman)"
 163 export XFS_SCRUB_PROG="$(type -P xfs_scrub)"
 164 export XFS_PARALLEL_REPAIR_PROG="$(type -P xfs_prepair)"
 165 export XFS_PARALLEL_REPAIR64_PROG="$(type -P xfs_prepair64)"
 166 export __XFSDUMP_PROG="$(type -P xfsdump)"
 167 if [ -n "$__XFSDUMP_PROG" ]; then
 168         export XFSDUMP_PROG="$__XFSDUMP_PROG -e"
 169 else
 170         export XFSDUMP_PROG=""
 171 fi
 172 export XFSRESTORE_PROG="$(type -P xfsrestore)"
 173 export XFSINVUTIL_PROG="$(type -P xfsinvutil)"
 174 export GETFATTR_PROG="$(type -P getfattr)"
 175 export SETFATTR_PROG="$(type -P setfattr)"
 176 export CHACL_PROG="$(type -P chacl)"
 177 export ATTR_PROG="$(type -P attr)"
 178 export QUOTA_PROG="$(type -P quota)"
 179 export XFS_QUOTA_PROG="$(type -P xfs_quota)"
 180 export KILLALL_PROG="$(type -P killall)"
 181 export INDENT_PROG="$(type -P indent)"
 182 export XFS_COPY_PROG="$(type -P xfs_copy)"
 183 export FSTRIM_PROG="$(type -P fstrim)"
 184 export DUMPE2FS_PROG="$(type -P dumpe2fs)"
 185 export RESIZE2FS_PROG="$(type -P resize2fs)"
 186 export F2FS_IO_PROG="$(type -P f2fs_io)"
 187 export FIO_PROG="$(type -P fio)"
 188 export FILEFRAG_PROG="$(type -P filefrag)"
 189 export E4DEFRAG_PROG="$(type -P e4defrag)"
 190 export LOGGER_PROG="$(type -P logger)"
 191 export DBENCH_PROG="$(type -P dbench)"
 192 export DMSETUP_PROG="$(type -P dmsetup)"
 193 export WIPEFS_PROG="$(type -P wipefs)"
 194 export BLKDISCARD_PROG="$(type -P blkdiscard)"
 195 export DUMP_PROG="$(type -P dump)"
 196 export RESTORE_PROG="$(type -P restore)"
 197 export LVM_PROG="$(type -P lvm)"
 198 export LSATTR_PROG="$(type -P lsattr)"
 199 export CHATTR_PROG="$(type -P chattr)"
 200 export DEBUGFS_PROG="$(type -P debugfs)"
 201 export UUIDGEN_PROG="$(type -P uuidgen)"
 202 export GETRICHACL_PROG="$(type -P getrichacl)"
 203 export SETRICHACL_PROG="$(type -P setrichacl)"
 204 export KEYCTL_PROG="$(type -P keyctl)"
 205 export XZ_PROG="$(type -P xz)"
 206 export LZ4_PROG="$(type -P lz4)"
 207 export FLOCK_PROG="$(type -P flock)"
 208 export LDD_PROG="$(type -P ldd)"
 209 export TIMEOUT_PROG="$(type -P timeout)"
 210 export MAN_PROG="$(type -P man)"
 211 export NFS4_SETFACL_PROG="$(type -P nfs4_setfacl)"
 212 export NFS4_GETFACL_PROG="$(type -P nfs4_getfacl)"
 213 export UBIUPDATEVOL_PROG="$(type -P ubiupdatevol)"
 214 export THIN_CHECK_PROG="$(type -P thin_check)"
 215 export PYTHON2_PROG="$(type -P python2)"
 216 export SQLITE3_PROG="$(type -P sqlite3)"
 217 export TIMEOUT_PROG="$(type -P timeout)"
 218 export SETCAP_PROG="$(type -P setcap)"
 219 export GETCAP_PROG="$(type -P getcap)"
 220 export CAPSH_PROG="$(type -P capsh)"
 221 export CHECKBASHISMS_PROG="$(type -P checkbashisms)"
 222 export XFS_INFO_PROG="$(type -P xfs_info)"
 223 export DUPEREMOVE_PROG="$(type -P duperemove)"
 224 export CC_PROG="$(type -P cc)"
 225 export FSVERITY_PROG="$(type -P fsverity)"
 226 export OPENSSL_PROG="$(type -P openssl)"
 227 export ACCTON_PROG="$(type -P accton)"
 228 export E2IMAGE_PROG="$(type -P e2image)"
 229
 230 # use 'udevadm settle' or 'udevsettle' to wait for lv to be settled.
 231 # newer systems have udevadm command but older systems like RHEL5 don't.
 232 # But if neither one is available, just set it to "sleep 1" to wait for lv to
 233 # be settled
 234 UDEV_SETTLE_PROG="$(type -P udevadm)"
 235 if [ "$UDEV_SETTLE_PROG" == "" ]; then
 236         # try udevsettle command
 237         UDEV_SETTLE_PROG="$(type -P udevsettle)"
 238 else
 239         # udevadm is available, add 'settle' as subcommand
 240         UDEV_SETTLE_PROG="$UDEV_SETTLE_PROG settle"
 241 fi
 242 # neither command is available, use sleep 1
 243 if [ "$UDEV_SETTLE_PROG" == "" ]; then
 244         UDEV_SETTLE_PROG="sleep 1"
 245 fi
 246 export UDEV_SETTLE_PROG
 247
 248 export MKFS_XFS_PROG=$(type -P mkfs.xfs)
 249 export MKFS_EXT4_PROG=$(type -P mkfs.ext4)
 250 export MKFS_UDF_PROG=$(type -P mkudffs)
 251 export MKFS_BTRFS_PROG=$(set_mkfs_prog_path_with_opts btrfs)
 252 export MKFS_F2FS_PROG=$(set_mkfs_prog_path_with_opts f2fs)
 253 export DUMP_F2FS_PROG=$(type -P dump.f2fs)
 254 export F2FS_IO_PROG=$(type -P f2fs_io)
 255 export BTRFS_UTIL_PROG=$(type -P btrfs)
 256 export BTRFS_SHOW_SUPER_PROG=$(type -P btrfs-show-super)
 257 export BTRFS_CONVERT_PROG=$(type -P btrfs-convert)
 258 export BTRFS_TUNE_PROG=$(type -P btrfstune)
 259 export XFS_FSR_PROG=$(type -P xfs_fsr)
 260 export MKFS_NFS_PROG="false"
 261 export MKFS_CIFS_PROG="false"
 262 export MKFS_OVERLAY_PROG="false"
 263 export MKFS_REISER4_PROG=$(type -P mkfs.reiser4)
 264 export E2FSCK_PROG=$(type -P e2fsck)
 265 export TUNE2FS_PROG=$(type -P tune2fs)
 266 export FSCK_OVERLAY_PROG=$(type -P fsck.overlay)
 267
 268 # SELinux adds extra xattrs which can mess up our expected output.
 269 # So, mount with a context, and they won't be created.
 270 #
 271 # Since the context= option only accepts contexts defined in the SELinux
 272 # policy, and different systems may have different policies with
 273 # different context names, use the context of an existing directory.
 274 # Assume that any valid context is fine, since xfstests should really
 275 # only be run from an "unconfined" process, or with SELinux in permissive
 276 # mode.  But if not, just specify your own SELINUX_MOUNT_OPTIONS.
 277 if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
 278         : ${SELINUX_MOUNT_OPTIONS:="-o context=$(stat -c %C /)"}
 279         export SELINUX_MOUNT_OPTIONS
 280 fi
 281
 282 # check if mkfs.xfs supports v5 xfs
 283 if [ "$FSTYP" == "xfs" ]; then
 284         XFS_MKFS_HAS_NO_META_SUPPORT=""
 285         touch /tmp/crc_check.img
 286         $MKFS_XFS_PROG -N -d file,name=/tmp/crc_check.img,size=32m -m crc=0 \
 287                 >/dev/null 2>&1;
 288         if [ $? -ne 0 ]; then
 289                 XFS_MKFS_HAS_NO_META_SUPPORT=true
 290         fi
 291         rm -f /tmp/crc_check.img
 292         export XFS_MKFS_HAS_NO_META_SUPPORT
 293 fi
 294
 295 _mount_opts()
 296 {
 297         case $FSTYP in
 298         9p)
 299                 export MOUNT_OPTIONS=$PLAN9_MOUNT_OPTIONS
 300                 ;;
 301         xfs)
 302                 export MOUNT_OPTIONS=$XFS_MOUNT_OPTIONS
 303                 ;;
 304         udf)
 305                 export MOUNT_OPTIONS=$UDF_MOUNT_OPTIONS
 306                 ;;
 307         nfs)
 308                 export MOUNT_OPTIONS=$NFS_MOUNT_OPTIONS
 309                 ;;
 310         cifs)
 311                 export MOUNT_OPTIONS=$CIFS_MOUNT_OPTIONS
 312                 ;;
 313         ceph)
 314                 export MOUNT_OPTIONS=$CEPHFS_MOUNT_OPTIONS
 315                 ;;
 316         glusterfs)
 317                 export MOUNT_OPTIONS=$GLUSTERFS_MOUNT_OPTIONS
 318                 ;;
 319         overlay)
 320                 export MOUNT_OPTIONS=$OVERLAY_MOUNT_OPTIONS
 321                 ;;
 322         ext2|ext3|ext4|ext4dev)
 323                 # acls & xattrs aren't turned on by default on ext$FOO
 324                 export MOUNT_OPTIONS="-o acl,user_xattr $EXT_MOUNT_OPTIONS"
 325                 ;;
 326         f2fs)
 327                 export MOUNT_OPTIONS="-o acl,user_xattr $F2FS_MOUNT_OPTIONS"
 328                 ;;
 329         reiserfs)
 330                 # acls & xattrs aren't turned on by default on reiserfs
 331                 export MOUNT_OPTIONS="-o acl,user_xattr $REISERFS_MOUNT_OPTIONS"
 332                 ;;
 333        reiser4)
 334                # acls & xattrs aren't supported by reiser4
 335                export MOUNT_OPTIONS=$REISER4_MOUNT_OPTIONS
 336                ;;
 337         gfs2)
 338                 # acls aren't turned on by default on gfs2
 339                 export MOUNT_OPTIONS="-o acl $GFS2_MOUNT_OPTIONS"
 340                 ;;
 341         tmpfs)
 342                 # We need to specify the size at mount, use 1G by default
 343                 export MOUNT_OPTIONS="-o size=1G $TMPFS_MOUNT_OPTIONS"
 344                 ;;
 345         ubifs)
 346                 export MOUNT_OPTIONS=$UBIFS_MOUNT_OPTIONS
 347                 ;;
 348         *)
 349                 ;;
 350         esac
 351 }
 352
 353 _test_mount_opts()
 354 {
 355         case $FSTYP in
 356         9p)
 357                 export TEST_FS_MOUNT_OPTS=$PLAN9_MOUNT_OPTIONS
 358                 ;;
 359         cifs)
 360                 export TEST_FS_MOUNT_OPTS=$CIFS_MOUNT_OPTIONS
 361                 ;;
 362         ceph)
 363                 export TEST_FS_MOUNT_OPTS=$CEPHFS_MOUNT_OPTIONS
 364                 ;;
 365         nfs)
 366                 export TEST_FS_MOUNT_OPTS=$NFS_MOUNT_OPTIONS
 367                 ;;
 368         glusterfs)
 369                 export TEST_FS_MOUNT_OPTS=$GLUSTERFS_MOUNT_OPTIONS
 370                 ;;
 371         ext2|ext3|ext4|ext4dev)
 372                 # acls & xattrs aren't turned on by default on older ext$FOO
 373                 export TEST_FS_MOUNT_OPTS="-o acl,user_xattr $EXT_MOUNT_OPTIONS"
 374                 ;;
 375         *)
 376                 ;;
 377         esac
 378 }
 379
 380 _mkfs_opts()
 381 {
 382         case $FSTYP in
 383         xfs)
 384                 export MKFS_OPTIONS=$XFS_MKFS_OPTIONS
 385                 ;;
 386         udf)
 387                 [ ! -z "$udf_fsize" ] && \
 388                         UDF_MKFS_OPTIONS="$UDF_MKFS_OPTIONS -s $udf_fsize"
 389                 export MKFS_OPTIONS=$UDF_MKFS_OPTIONS
 390                 ;;
 391         nfs)
 392                 export MKFS_OPTIONS=$NFS_MKFS_OPTIONS
 393                 ;;
 394         cifs)
 395                 export MKFS_OPTIONS=$CIFS_MKFS_OPTIONS
 396                 ;;
 397         ceph)
 398                 export MKFS_OPTIONS=$CEPHFS_MKFS_OPTIONS
 399                 ;;
 400         reiserfs)
 401                 export MKFS_OPTIONS="$REISERFS_MKFS_OPTIONS -q"
 402                 ;;
 403        reiser4)
 404                 export MKFS_OPTIONS=$REISER4_MKFS_OPTIONS
 405                 ;;
 406         gfs2)
 407                 export MKFS_OPTIONS="$GFS2_MKFS_OPTIONS -O -p lock_nolock"
 408                 ;;
 409         jfs)
 410                 export MKFS_OPTIONS="$JFS_MKFS_OPTIONS -q"
 411                 ;;
 412         f2fs)
 413                 export MKFS_OPTIONS="$F2FS_MKFS_OPTIONS"
 414                 ;;
 415         btrfs)
 416                 export MKFS_OPTIONS="$BTRFS_MKFS_OPTIONS"
 417                 ;;
 418         *)
 419                 ;;
 420         esac
 421 }
 422
 423 _fsck_opts()
 424 {
 425         case $FSTYP in
 426         ext2|ext3|ext4|ext4dev)
 427                 export FSCK_OPTIONS="-nf"
 428                 ;;
 429         reiser*)
 430                 export FSCK_OPTIONS="--yes"
 431                 ;;
 432         f2fs)
 433                 export FSCK_OPTIONS=""
 434                 ;;
 435         *)
 436                 export FSCK_OPTIONS="-n"
 437                 ;;
 438         esac
 439 }
 440
 441 known_hosts()
 442 {
 443         [ "$HOST_CONFIG_DIR" ] || HOST_CONFIG_DIR=`pwd`/configs
 444
 445         [ -f /etc/xfsqa.config ]             && export HOST_OPTIONS=/etc/xfsqa.config
 446         [ -f $HOST_CONFIG_DIR/$HOST ]        && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST
 447         [ -f $HOST_CONFIG_DIR/$HOST.config ] && export HOST_OPTIONS=$HOST_CONFIG_DIR/$HOST.config
 448 }
 449
 450 # Returns a list of sections in config file
 451 # Each section starts with the section name in the format
 452 # [section_name1]. Only alphanumeric characters and '_' is allowed
 453 # in the section name otherwise the section will not be resognised.
 454 # Section name must be contained between square brackets.
 455 get_config_sections() {
 456         sed -n -e "s/^\[\([[:alnum:]_-]*\)\]/\1/p" < $1
 457 }
 458
 459 if [ ! -f "$HOST_OPTIONS" ]; then
 460         known_hosts
 461 fi
 462
 463 export HOST_OPTIONS_SECTIONS="-no-sections-"
 464 export OPTIONS_HAVE_SECTIONS=false
 465 if [ -f "$HOST_OPTIONS" ]; then
 466         export HOST_OPTIONS_SECTIONS=`get_config_sections $HOST_OPTIONS`
 467         if [ -z "$HOST_OPTIONS_SECTIONS" ]; then
 468                 . $HOST_OPTIONS
 469                 export HOST_OPTIONS_SECTIONS="-no-sections-"
 470         else
 471                 export OPTIONS_HAVE_SECTIONS=true
 472         fi
 473 fi
 474
 475 _check_device()
 476 {
 477         local name=$1
 478         local dev_needed=$2
 479         local dev=$3
 480
 481         if [ -z "$dev" ]; then
 482                 if [ "$dev_needed" == "required" ]; then
 483                         _fatal "common/config: $name is required but not defined!"
 484                 fi
 485                 return 0
 486         fi
 487
 488         if [ -b "$dev" ] || ( echo $dev | grep -qE ":|//" ); then
 489                 # block device or a network url
 490                 return 0
 491         fi
 492
 493         case "$FSTYP" in
 494         9p|tmpfs|virtiofs)
 495                 # 9p and virtiofs mount tags are just plain strings, so anything is allowed
 496                 # tmpfs doesn't use mount source, ignore
 497                 ;;
 498         overlay)
 499                 if [ ! -d "$dev" ]; then
 500                         _fatal "common/config: $name ($dev) is not a directory for overlay"
 501                 fi
 502                 ;;
 503         ubifs)
 504                 if [ ! -c "$dev" ]; then
 505                         _fatal "common/config: $name ($dev) is not a character device"
 506                 fi
 507                 ;;
 508         *)
 509                 _fatal "common/config: $name ($dev) is not a block device or a network filesystem"
 510         esac
 511 }
 512
 513 # check and return a canonical mount point path
 514 _canonicalize_mountpoint()
 515 {
 516         local name=$1
 517         local dir=$2
 518
 519         if [ -d "$dir" ]; then
 520                 # this follows symlinks and removes all trailing "/"s
 521                 readlink -e "$dir"
 522                 return 0
 523         fi
 524
 525         if [ "$FSTYP" != "overlay" ] || [[ "$name" == OVL_BASE_* ]]; then
 526                 _fatal "common/config: $name ($dir) is not a directory"
 527         fi
 528
 529         # base fs may not be mounted yet, so just check that parent dir
 530         # exists (where base fs will be mounted) because we are going to
 531         # mkdir the overlay mount point dir anyway
 532         local base=`basename $dir`
 533         local parent=`dirname $dir`
 534         parent=`_canonicalize_mountpoint OVL_BASE_$name "$parent"`
 535
 536         # prepend the overlay mount point to canonical parent path
 537         echo "$parent/$base"
 538 }
 539
 540 # On check -overlay, for the non multi section config case, this
 541 # function is called on every test, before init_rc().
 542 # When SCRATCH/TEST_* vars are defined in config file, config file
 543 # is sourced on every test and this function overrides the vars
 544 # every time.
 545 # When SCRATCH/TEST_* vars are defined in evironment and not
 546 # in config file, this function is called after vars have already
 547 # been overriden in the previous test.
 548 # In that case, TEST_DEV is a directory and not a blockdev/chardev and
 549 # the function will return without overriding the SCRATCH/TEST_* vars.
 550 _overlay_config_override()
 551 {
 552         # There are 2 options for configuring overlayfs tests:
 553         #
 554         # 1. (legacy) SCRATCH/TEST_DEV point to existing directories
 555         #    on an already mounted fs.  In this case, the new
 556         #    OVL_BASE_SCRATCH/TEST_* vars are set to use the legacy
 557         #    vars values (even though they may not be mount points).
 558         #
 559         [ ! -d "$TEST_DEV" ] || export OVL_BASE_TEST_DIR="$TEST_DEV"
 560         [ ! -d "$SCRATCH_DEV" ] || export OVL_BASE_SCRATCH_MNT="$SCRATCH_DEV"
 561
 562         # 2. SCRATCH/TEST_DEV point to the base fs partitions.  In this case,
 563         #    the new OVL_BASE_SCRATCH/TEST_DEV/MNT vars are set to the values
 564         #    of the configured base fs and SCRATCH/TEST_DEV vars are set to the
 565         #    overlayfs base and mount dirs inside base fs mount.
 566         [ -b "$TEST_DEV" ] || [ -c "$TEST_DEV" ] || return 0
 567
 568         # Config file may specify base fs type, but we obay -overlay flag
 569         [ "$FSTYP" == overlay ] || export OVL_BASE_FSTYP="$FSTYP"
 570         export FSTYP=overlay
 571
 572         # Store original base fs vars
 573         export OVL_BASE_TEST_DEV="$TEST_DEV"
 574         export OVL_BASE_TEST_DIR="$TEST_DIR"
 575         # If config does not set MOUNT_OPTIONS, its value may be
 576         # leftover from previous _overlay_config_override, so
 577         # don't use that value for base fs mount
 578         [ "$MOUNT_OPTIONS" != "$OVERLAY_MOUNT_OPTIONS" ] || unset MOUNT_OPTIONS
 579         export OVL_BASE_MOUNT_OPTIONS="$MOUNT_OPTIONS"
 580
 581         # Set TEST vars to overlay base and mount dirs inside base fs
 582         export TEST_DEV="$OVL_BASE_TEST_DIR"
 583         export TEST_DIR="$OVL_BASE_TEST_DIR/$OVL_MNT"
 584         export MOUNT_OPTIONS="$OVERLAY_MOUNT_OPTIONS"
 585
 586         [ -b "$SCRATCH_DEV" ] || [ -c "$SCRATCH_DEV" ] || return 0
 587
 588         # Store original base fs vars
 589         export OVL_BASE_SCRATCH_DEV="$SCRATCH_DEV"
 590         export OVL_BASE_SCRATCH_MNT="$SCRATCH_MNT"
 591
 592         # Set SCRATCH vars to overlay base and mount dirs inside base fs
 593         export SCRATCH_DEV="$OVL_BASE_SCRATCH_MNT"
 594         export SCRATCH_MNT="$OVL_BASE_SCRATCH_MNT/$OVL_MNT"
 595
 596         # Set fsck options, use default if user not set directly.
 597         export FSCK_OPTIONS="$OVERLAY_FSCK_OPTIONS"
 598         [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 599 }
 600
 601 _overlay_config_restore()
 602 {
 603         export OVERLAY=true
 604         [ -z "$OVL_BASE_FSTYP" ] || export FSTYP=$OVL_BASE_FSTYP
 605         [ -z "$OVL_BASE_TEST_DEV" ] || export TEST_DEV=$OVL_BASE_TEST_DEV
 606         [ -z "$OVL_BASE_TEST_DIR" ] || export TEST_DIR=$OVL_BASE_TEST_DIR
 607         [ -z "$OVL_BASE_SCRATCH_DEV" ] || export SCRATCH_DEV=$OVL_BASE_SCRATCH_DEV
 608         [ -z "$OVL_BASE_SCRATCH_MNT" ] || export SCRATCH_MNT=$OVL_BASE_SCRATCH_MNT
 609         [ -z "$OVL_BASE_MOUNT_OPTIONS" ] || export MOUNT_OPTIONS=$OVL_BASE_MOUNT_OPTIONS
 610 }
 611
 612 # Parse config section options. This function will parse all the configuration
 613 # within a single section which name is passed as an argument. For section
 614 # name format see comments in get_config_sections().
 615 # Empty lines and everything after '#' will be ignored.
 616 # Configuration options should be defined in the format
 617 #
 618 # CONFIG_OPTION=value
 619 #
 620 # This 'CONFIG_OPTION' variable and will be exported as an environment variable.
 621 parse_config_section() {
 622         SECTION=$1
 623         if ! $OPTIONS_HAVE_SECTIONS; then
 624                 return 0
 625         fi
 626         eval `sed -e 's/[[:space:]]*\=[[:space:]]*/=/g' \
 627                 -e 's/#.*$//' \
 628                 -e 's/[[:space:]]*$//' \
 629                 -e 's/^[[:space:]]*//' \
 630                 -e "s/^\([^=]*\)=\"\?'\?\([^\"']*\)\"\?'\?$/export \1=\"\2\"/" \
 631                 < $HOST_OPTIONS \
 632                 | sed -n -e "/^\[$SECTION\]/,/^\s*\[/{/^[^#].*\=.*/p;}"`
 633 }
 634
 635 get_next_config() {
 636         if [ ! -z "$CONFIG_INCLUDED" ] && ! $OPTIONS_HAVE_SECTIONS; then
 637                 return 0
 638         fi
 639
 640         # We might have overriden FSTYP and TEST/SCRATCH vars with overlay values
 641         # in the previous section, so restore them to original values stored in
 642         # OVL_BASE_*.
 643         # We need to do this *before* old FSTYP and MOUNT_OPTIONS are recorded
 644         # and *before* SCRATCH_DEV and MOUNT_OPTIONS are unset
 645         if [ "$FSTYP" == "overlay" ]; then
 646                 _overlay_config_restore
 647         fi
 648
 649         local OLD_FSTYP=$FSTYP
 650         local OLD_MOUNT_OPTIONS=$MOUNT_OPTIONS
 651         local OLD_TEST_FS_MOUNT_OPTS=$TEST_FS_MOUNT_OPTS
 652         local OLD_MKFS_OPTIONS=$MKFS_OPTIONS
 653         local OLD_FSCK_OPTIONS=$FSCK_OPTIONS
 654         local OLD_USE_EXTERNAL=$USE_EXTERNAL
 655
 656         unset MOUNT_OPTIONS
 657         unset TEST_FS_MOUNT_OPTS
 658         unset MKFS_OPTIONS
 659         unset FSCK_OPTIONS
 660         unset USE_EXTERNAL
 661
 662         # We might have deduced SCRATCH_DEV from the SCRATCH_DEV_POOL in the previous
 663         # run, so we have to unset it now.
 664         if [ "$SCRATCH_DEV_NOT_SET" == "true" ]; then
 665                 unset SCRATCH_DEV
 666         fi
 667
 668         parse_config_section $1
 669
 670         if [ ! -z "$OLD_FSTYP" ] && [ $OLD_FSTYP != $FSTYP ]; then
 671                 [ -z "$MOUNT_OPTIONS" ] && _mount_opts
 672                 [ -z "$TEST_FS_MOUNT_OPTS" ] && _test_mount_opts
 673                 [ -z "$MKFS_OPTIONS" ] && _mkfs_opts
 674                 [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 675
 676                 # clear the external devices if we are not using them
 677                 if [ -z "$USE_EXTERNAL" ]; then
 678                         unset TEST_RTDEV
 679                         unset TEST_LOGDEV
 680                         unset SCRATCH_RTDEV
 681                         unset SCRATCH_LOGDEV
 682                 fi
 683         else
 684                 [ -z "$MOUNT_OPTIONS" ] && export MOUNT_OPTIONS=$OLD_MOUNT_OPTIONS
 685                 [ -z "$TEST_FS_MOUNT_OPTS" ] && export TEST_FS_MOUNT_OPTS=$OLD_TEST_FS_MOUNT_OPTS
 686                 [ -z "$MKFS_OPTIONS" ] && export MKFS_OPTIONS=$OLD_MKFS_OPTIONS
 687                 [ -z "$FSCK_OPTIONS" ] && export FSCK_OPTIONS=$OLD_FSCK_OPTIONS
 688                 [ -z "$USE_EXTERNAL" ] && export USE_EXTERNAL=$OLD_USE_EXTERNAL
 689         fi
 690
 691         # set default RESULT_BASE
 692         if [ -z "$RESULT_BASE" ]; then
 693                 export RESULT_BASE="$here/results/"
 694         fi
 695
 696         if [ "$FSTYP" == "tmpfs" ]; then
 697                 if [ -z "TEST_DEV" ]; then
 698                         export TEST_DEV=tmpfs_test
 699                 fi
 700                 if [ -z "SCRATCH_DEV" ]; then
 701                         export TEST_DEV=tmpfs_scratch
 702                 fi
 703         fi
 704
 705         #  Mandatory Config values.
 706         MC=""
 707         [ -z "$EMAIL" ]          && MC="$MC EMAIL"
 708         [ -z "$TEST_DIR" ]       && MC="$MC TEST_DIR"
 709         [ -z "$TEST_DEV" ]       && MC="$MC TEST_DEV"
 710
 711         if [ -n "$MC" ]; then
 712                 echo "Warning: need to define parameters for host $HOST"
 713                 echo "       or set variables:"
 714                 echo "       $MC"
 715                 exit 1
 716         fi
 717
 718         _check_device TEST_DEV required $TEST_DEV
 719         export TEST_DIR=`_canonicalize_mountpoint TEST_DIR $TEST_DIR`
 720
 721         # a btrfs tester will set only SCRATCH_DEV_POOL, we will put first of its dev
 722         # to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility
 723         if [ ! -z "$SCRATCH_DEV_POOL" ]; then
 724                 if [ ! -z "$SCRATCH_DEV" ]; then
 725                         echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) should be unset when \$SCRATCH_DEV_POOL ($SCRATCH_DEV_POOL) is set"
 726                         exit 1
 727                 fi
 728                 SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
 729                 export SCRATCH_DEV
 730                 export SCRATCH_DEV_NOT_SET=true
 731         fi
 732
 733         _check_device SCRATCH_DEV optional $SCRATCH_DEV
 734         export SCRATCH_MNT=`_canonicalize_mountpoint SCRATCH_MNT $SCRATCH_MNT`
 735
 736         if [ -n "$USE_EXTERNAL" ]; then
 737                 _check_device TEST_RTDEV optional $TEST_RTDEV
 738                 _check_device TEST_LOGDEV optional $TEST_LOGDEV
 739                 _check_device SCRATCH_RTDEV optional $SCRATCH_RTDEV
 740                 _check_device SCRATCH_LOGDEV optional $SCRATCH_LOGDEV
 741         fi
 742
 743         # Override FSTYP from config when running ./check -overlay
 744         # and maybe override base fs TEST/SCRATCH_DEV with overlay base dirs.
 745         # We need to do this *after* default mount options are set by base FSTYP
 746         # and *after* SCRATCH_DEV is deduced from SCRATCH_DEV_POOL
 747         if [ "$OVERLAY" == "true" -o "$FSTYP" == "overlay" ]; then
 748                 _overlay_config_override
 749         fi
 750 }
 751
 752 if [ -z "$CONFIG_INCLUDED" ]; then
 753         get_next_config `echo $HOST_OPTIONS_SECTIONS | cut -f1 -d" "`
 754         export CONFIG_INCLUDED=true
 755
 756         # Autodetect fs type based on what's on $TEST_DEV unless it's been set
 757         # externally
 758         if [ -z "$FSTYP" ] && [ ! -z "$TEST_DEV" ]; then
 759                 FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV`
 760         fi
 761         FSTYP=${FSTYP:=xfs}
 762         export FSTYP
 763         [ -z "$MOUNT_OPTIONS" ] && _mount_opts
 764         [ -z "$TEST_FS_MOUNT_OPTS" ] && _test_mount_opts
 765         [ -z "$MKFS_OPTIONS" ] && _mkfs_opts
 766         [ -z "$FSCK_OPTIONS" ] && _fsck_opts
 767 else
 768         # We get here for the non multi section case, on every test that sources
 769         # common/rc after re-sourcing the HOST_OPTIONS config file.
 770         # Because of this re-sourcing, we need to re-canonicalize the configured
 771         # mount points and re-override TEST/SCRATCH_DEV overlay vars.
 772
 773         # canonicalize the mount points
 774         # this follows symlinks and removes all trailing "/"s
 775         export TEST_DIR=`_canonicalize_mountpoint TEST_DIR $TEST_DIR`
 776         export SCRATCH_MNT=`_canonicalize_mountpoint SCRATCH_MNT $SCRATCH_MNT`
 777
 778         # Override FSTYP from config when running ./check -overlay
 779         # and maybe override base fs TEST/SCRATCH_DEV with overlay base dirs
 780         if [ "$OVERLAY" == "true" -o "$FSTYP" == "overlay" ]; then
 781                 _overlay_config_override
 782         fi
 783 fi
 784
 785 # make sure this script returns success
 786 /bin/true