mirror of
git://sourceware.org/git/lvm2.git
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496 lines
12 KiB
Bash
496 lines
12 KiB
Bash
#!/bin/bash
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# Copyright (C) 2011-2012 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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. lib/utils
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prepare_clvmd() {
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if test -z "$LVM_TEST_LOCKING" || test "$LVM_TEST_LOCKING" -ne 3 ; then
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return 0 # not needed
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fi
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if pgrep clvmd ; then
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echo "Cannot use fake cluster locking with real clvmd ($(pgrep clvmd)) running."
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skip
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fi
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# skip if we don't have our own clvmd...
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(which clvmd | grep $abs_builddir) || skip
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# skip if we singlenode is not compiled in
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(clvmd --help 2>&1 | grep "Available cluster managers" | grep singlenode) || skip
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lvmconf "activation/monitoring = 1"
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clvmd -Isinglenode -d 1 &
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LOCAL_CLVMD="$!"
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# check that it is really running now
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sleep .1
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ps $LOCAL_CLVMD || die
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echo "$LOCAL_CLVMD" > LOCAL_CLVMD
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}
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prepare_dmeventd() {
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if pgrep dmeventd ; then
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echo "Cannot test dmeventd with real dmeventd ($(pgrep dmeventd)) running."
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touch SKIP_THIS_TEST
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exit 1
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fi
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# skip if we don't have our own dmeventd...
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(which dmeventd | grep $abs_builddir) || {
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touch SKIP_THIS_TEST
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exit 1
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}
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lvmconf "activation/monitoring = 1"
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dmeventd -f "$@" &
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echo "$!" > LOCAL_DMEVENTD
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# FIXME wait for pipe in /var/run instead
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sleep 1
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}
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prepare_lvmetad() {
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echo preparing lvmetad...
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# skip if we don't have our own lvmetad...
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(which lvmetad | grep $abs_builddir) || {
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touch SKIP_THIS_TEST
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exit 1
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}
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lvmconf "global/use_lvmetad = 1"
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lvmconf "devices/md_component_detection = 0"
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lvmetad -f "$@" -s $TESTDIR/lvmetad.socket &
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echo "$!" > LOCAL_LVMETAD
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sleep 1
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}
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teardown_devs() {
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# Delete any remaining dm/udev semaphores
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teardown_udev_cookies
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test -n "$PREFIX" && {
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rm -rf $TESTDIR/dev/$PREFIX*
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init_udev_transaction
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while dmsetup table | grep -q ^$PREFIX; do
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for s in `dmsetup info -c -o name --noheading | grep ^$PREFIX`; do
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umount -fl $DM_DEV_DIR/mapper/$s >& /dev/null || true
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dmsetup remove -f $s >& /dev/null || true
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done
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done
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finish_udev_transaction
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}
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udev_wait
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# NOTE: SCSI_DEBUG_DEV test must come before the LOOP test because
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# prepare_scsi_debug_dev() also sets LOOP to short-circuit prepare_loop()
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if test -f SCSI_DEBUG_DEV; then
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modprobe -r scsi_debug
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else
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test -f LOOP && losetup -d $(cat LOOP)
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test -f LOOPFILE && rm -f $(cat LOOPFILE)
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fi
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rm -f DEVICES # devs is set in prepare_devs()
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rm -f LOOP
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# Attempt to remove any loop devices that failed to get torn down if earlier tests aborted
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test -n "$COMMON_PREFIX" && {
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# Resume any linears to be sure we do not deadlock
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STRAY_DEVS=$(dmsetup table | sed 's/:.*//' | grep $COMMON_PREFIX | cut -d' ' -f 1)
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for dm in $STRAY_DEVS ; do
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# FIXME: only those really suspended
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echo dmsetup resume $dm
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dmsetup resume $dm || true
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done
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STRAY_MOUNTS=`mount | grep $COMMON_PREFIX | cut -d\ -f1`
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if test -n "$STRAY_MOUNTS"; then
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echo "Removing stray mounted devices containing $COMMON_PREFIX:"
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mount | grep $COMMON_PREFIX
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umount -fl $STRAY_MOUNTS || true
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sleep 2
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fi
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init_udev_transaction
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NUM_REMAINING_DEVS=999
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while NUM_DEVS=`dmsetup table | grep ^$COMMON_PREFIX | wc -l` && \
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test $NUM_DEVS -lt $NUM_REMAINING_DEVS -a $NUM_DEVS -ne 0; do
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echo "Removing $NUM_DEVS stray mapped devices with names beginning with $COMMON_PREFIX:"
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STRAY_DEVS=$(dmsetup table | sed 's/:.*//' | grep $COMMON_PREFIX | cut -d' ' -f 1)
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dmsetup info -c | grep ^$COMMON_PREFIX
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for dm in $STRAY_DEVS ; do
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echo dmsetup remove $dm
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dmsetup remove -f $dm || true
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done
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NUM_REMAINING_DEVS=$NUM_DEVS
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done
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finish_udev_transaction
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udev_wait
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STRAY_LOOPS=`losetup -a | grep $COMMON_PREFIX | cut -d: -f1`
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if test -n "$STRAY_LOOPS"; then
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echo "Removing stray loop devices containing $COMMON_PREFIX:"
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losetup -a | grep $COMMON_PREFIX
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losetup -d $STRAY_LOOPS || true
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fi
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}
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}
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teardown() {
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echo -n "## teardown..."
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test -f LOCAL_CLVMD && {
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kill "$(cat LOCAL_CLVMD)"
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sleep .1
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kill -9 "$(cat LOCAL_CLVMD)" || true
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}
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echo -n .
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test -f LOCAL_DMEVENTD && kill -9 "$(cat LOCAL_DMEVENTD)"
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test -f LOCAL_LVMETAD && kill -9 "$(cat LOCAL_LVMETAD)"
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echo -n .
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test -d $DM_DEV_DIR/mapper && teardown_devs
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echo -n .
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test -n "$TESTDIR" && {
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cd $OLDPWD
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rm -rf $TESTDIR || echo BLA
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}
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echo "ok"
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}
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make_ioerror() {
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echo 0 10000000 error | dmsetup create -u TEST-ioerror ioerror
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ln -s $DM_DEV_DIR/mapper/ioerror $DM_DEV_DIR/ioerror
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}
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prepare_loop() {
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size=$1
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test -n "$size" || size=32
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echo -n "## preparing loop device..."
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# skip if prepare_scsi_debug_dev() was used
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if [ -f "SCSI_DEBUG_DEV" -a -f "LOOP" ]; then
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echo "(skipped)"
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return 0
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fi
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test ! -e LOOP
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test -n "$DM_DEV_DIR"
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for i in 0 1 2 3 4 5 6 7; do
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test -e $DM_DEV_DIR/loop$i || mknod $DM_DEV_DIR/loop$i b 7 $i
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done
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echo -n .
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LOOPFILE="$PWD/test.img"
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dd if=/dev/zero of="$LOOPFILE" bs=$((1024*1024)) count=0 seek=$(($size-1)) 2> /dev/null
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if LOOP=`losetup -s -f "$LOOPFILE" 2>/dev/null`; then
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:
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elif LOOP=`losetup -f` && losetup $LOOP "$LOOPFILE"; then
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# no -s support
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:
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else
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# no -f support
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# Iterate through $DM_DEV_DIR/loop{,/}{0,1,2,3,4,5,6,7}
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for slash in '' /; do
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for i in 0 1 2 3 4 5 6 7; do
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local dev=$DM_DEV_DIR/loop$slash$i
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! losetup $dev >/dev/null 2>&1 || continue
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# got a free
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losetup "$dev" "$LOOPFILE"
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LOOP=$dev
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break
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done
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if [ -n "$LOOP" ]; then
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break
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fi
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done
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fi
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test -n "$LOOP" # confirm or fail
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echo "$LOOP" > LOOP
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echo "ok ($LOOP)"
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}
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# A drop-in replacement for prepare_loop() that uses scsi_debug to create
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# a ramdisk-based SCSI device upon which all LVM devices will be created
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# - scripts must take care not to use a DEV_SIZE that will enduce OOM-killer
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prepare_scsi_debug_dev()
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{
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local DEV_SIZE="$1"
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shift
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local SCSI_DEBUG_PARAMS="$@"
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test -f "SCSI_DEBUG_DEV" && return 0
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test -z "$LOOP"
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test -n "$DM_DEV_DIR"
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# Skip test if awk isn't available (required for get_sd_devs_)
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which awk || skip
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# Skip test if scsi_debug module is unavailable or is already in use
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modprobe --dry-run scsi_debug || skip
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lsmod | grep -q scsi_debug && skip
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# Create the scsi_debug device and determine the new scsi device's name
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# NOTE: it will _never_ make sense to pass num_tgts param;
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# last param wins.. so num_tgts=1 is imposed
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modprobe scsi_debug dev_size_mb=$DEV_SIZE $SCSI_DEBUG_PARAMS num_tgts=1 || skip
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sleep 2 # allow for async Linux SCSI device registration
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local DEBUG_DEV=/dev/$(grep -H scsi_debug /sys/block/*/device/model | cut -f4 -d /)
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[ -b $DEBUG_DEV ] || exit 1 # should not happen
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# Create symlink to scsi_debug device in $DM_DEV_DIR
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SCSI_DEBUG_DEV="$DM_DEV_DIR/$(basename $DEBUG_DEV)"
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echo "$SCSI_DEBUG_DEV" > SCSI_DEBUG_DEV
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echo "$SCSI_DEBUG_DEV" > LOOP
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# Setting $LOOP provides means for prepare_devs() override
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test "$LVM_TEST_DEVDIR" != "/dev" && ln -snf $DEBUG_DEV $SCSI_DEBUG_DEV
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return 0
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}
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cleanup_scsi_debug_dev()
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{
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aux teardown_devs
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rm -f SCSI_DEBUG_DEV
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rm -f LOOP
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}
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prepare_devs() {
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local n="$1"
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test -z "$n" && n=3
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local devsize="$2"
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test -z "$devsize" && devsize=34
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local pvname="$3"
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test -z "$pvname" && pvname="pv"
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prepare_loop $(($n*$devsize))
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echo -n "## preparing $n devices..."
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if ! loopsz=`blockdev --getsz $LOOP 2>/dev/null`; then
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loopsz=`blockdev --getsize $LOOP 2>/dev/null`
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fi
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local size=$(($loopsz/$n))
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devs=
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init_udev_transaction
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for i in `seq 1 $n`; do
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local name="${PREFIX}$pvname$i"
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local dev="$DM_DEV_DIR/mapper/$name"
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devs="$devs $dev"
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echo 0 $size linear $LOOP $((($i-1)*$size)) > $name.table
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dmsetup create -u TEST-$name $name $name.table
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done
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finish_udev_transaction
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#for i in `seq 1 $n`; do
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# local name="${PREFIX}$pvname$i"
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# dmsetup info -c $name
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#done
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#for i in `seq 1 $n`; do
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# local name="${PREFIX}$pvname$i"
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# dmsetup table $name
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#done
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echo $devs > DEVICES
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echo "ok"
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}
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disable_dev() {
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init_udev_transaction
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for dev in "$@"; do
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maj=$(($(stat --printf=0x%t $dev)))
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min=$(($(stat --printf=0x%T $dev)))
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echo "disabling device $dev ($maj:$min)"
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dmsetup remove -f $dev || true
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pvscan --lvmetad $maj:$min || true
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done
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finish_udev_transaction
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}
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enable_dev() {
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init_udev_transaction
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for dev in "$@"; do
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local name=`echo "$dev" | sed -e 's,.*/,,'`
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dmsetup create -u TEST-$name $name $name.table || dmsetup load $name $name.table
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# using device name (since device path does not exists yes with udev)
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dmsetup resume $name
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pvscan --lvmetad $dev || true
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done
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finish_udev_transaction
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}
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backup_dev() {
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for dev in "$@"; do
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dd if=$dev of=$dev.backup bs=1024
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done
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}
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restore_dev() {
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for dev in "$@"; do
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test -e $dev.backup || {
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echo "Internal error: $dev not backed up, can't restore!"
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exit 1
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}
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dd of=$dev if=$dev.backup bs=1024
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done
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}
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prepare_pvs() {
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prepare_devs "$@"
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pvcreate -ff $devs
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}
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prepare_vg() {
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vgremove -ff $vg >& /dev/null || true
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teardown_devs
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prepare_pvs "$@"
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vgcreate -c n $vg $devs
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#pvs -v
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}
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lvmconf() {
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if test -z "$LVM_TEST_LOCKING"; then LVM_TEST_LOCKING=1; fi
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if test "$DM_DEV_DIR" = "/dev"; then
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LVM_VERIFY_UDEV=${LVM_VERIFY_UDEV:-0};
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else
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LVM_VERIFY_UDEV=${LVM_VERIFY_UDEV:-1};
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fi
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test -f CONFIG_VALUES || {
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cat > CONFIG_VALUES <<-EOF
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devices/dir = "$DM_DEV_DIR"
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devices/scan = "$DM_DEV_DIR"
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devices/filter = [ "a/dev\\\\/mirror/", "a/dev\\\\/mapper\\\\/.*pv[0-9_]*$/", "r/.*/" ]
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devices/cache_dir = "$TESTDIR/etc"
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devices/sysfs_scan = 0
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devices/default_data_alignment = 1
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log/syslog = 0
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log/indent = 1
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log/level = 9
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log/file = "$TESTDIR/debug.log"
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log/overwrite = 1
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log/activation = 1
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backup/backup = 0
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backup/archive = 0
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global/abort_on_internal_errors = 1
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global/detect_internal_vg_cache_corruption = 1
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global/library_dir = "$TESTDIR/lib"
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global/locking_dir = "$TESTDIR/var/lock/lvm"
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global/locking_type=$LVM_TEST_LOCKING
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global/si_unit_consistency = 1
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global/fallback_to_local_locking = 0
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activation/checks = 1
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activation/udev_sync = 1
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activation/udev_rules = 1
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activation/verify_udev_operations = $LVM_VERIFY_UDEV
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activation/polling_interval = 0
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activation/snapshot_autoextend_percent = 50
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activation/snapshot_autoextend_threshold = 50
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activation/monitoring = 0
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EOF
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}
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for v in "$@"; do
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echo "$v" >> CONFIG_VALUES
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done
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rm -f CONFIG
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for s in `cat CONFIG_VALUES | cut -f1 -d/ | sort | uniq`; do
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echo "$s {" >> CONFIG
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for k in `grep ^$s/ CONFIG_VALUES | cut -f1 -d= | sed -e 's, *$,,' | sort | uniq`; do
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grep "^$k" CONFIG_VALUES | tail -n 1 | sed -e "s,^$s/, ," >> CONFIG
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done
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echo "}" >> CONFIG
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echo >> CONFIG
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done
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mv -f CONFIG $TESTDIR/etc/lvm.conf
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}
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apitest() {
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t=$1
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shift
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test -x $abs_top_builddir/test/api/$t.t || skip
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$abs_top_builddir/test/api/$t.t "$@"
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}
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api() {
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test -x $abs_top_builddir/test/api/wrapper || skip
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$abs_top_builddir/test/api/wrapper "$@"
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}
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udev_wait() {
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pgrep udev >/dev/null || return 0
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which udevadm >/dev/null || return 0
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if test -n "$1" ; then
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udevadm settle --exit-if-exists=$1
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else
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udevadm settle --timeout=15
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fi
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}
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#
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# Check wheter kernel [dm module] target exist
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# at least in expected version
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#
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# [dm-]target-name major minor revision
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#
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# i.e. dm_target_at_least dm-thin-pool 1 0
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target_at_least()
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{
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case "$1" in
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dm-*) modprobe "$1" ;;
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esac
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version=$(dmsetup targets 2>/dev/null | grep "${1##dm-} " 2>/dev/null)
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version=${version##* v}
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shift
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major=$(echo $version | cut -d. -f1)
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minor=$(echo $version | cut -d. -f2)
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revision=$(echo $version | cut -d. -f3)
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test -z "$1" && return 0
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test -z "$major" && return 1
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test "$major" -gt "$1" && return 0
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test "$major" -lt "$1" && return 1
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test -z "$2" && return 0
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test -z "$minor" && return 1
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test "$minor" -gt "$2" && return 0
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test "$minor" -lt "$2" && return 1
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test -z "$4" && return 0
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test -z "$revision" && return 1
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test "$revision" -lt "$3" && return 1
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}
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test -f DEVICES && devs=$(cat DEVICES)
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test -f LOOP && LOOP=$(cat LOOP)
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"$@"
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