diff --git a/test/shell/snapshot-remove-dmsetup.sh b/test/shell/snapshot-remove-dmsetup.sh new file mode 100644 index 000000000..b5aad1f95 --- /dev/null +++ b/test/shell/snapshot-remove-dmsetup.sh @@ -0,0 +1,65 @@ +#!/bin/sh +# Copyright (C) 2015 Red Hat, Inc. All rights reserved. +# +# This copyrighted material is made available to anyone wishing to use, +# modify, copy, or redistribute it subject to the terms and conditions +# of the GNU General Public License v.2. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +# check if 'dmsetup --noflush' will work properly for mounted snapshot + +. lib/inittest + +which mkfs.ext2 || skip + +test -e LOCAL_LVMETAD && skip +test -e LOCAL_LVMPOLLD && skip +test -e LOCAL_CLVMD && skip + +aux prepare_vg 5 + +# Create stacked device +lvcreate --type snapshot -s -L10 -n $lv1 $vg --virtualsize 100M +aux extend_filter_LVMTEST +vgcreate $vg1 "$DM_DEV_DIR"/$vg/$lv1 + + +lvcreate -L20 -n $lv1 $vg1 +lvcreate -L10 -n snap -s $vg1/$lv1 + +mkfs.ext2 "$DM_DEV_DIR/$vg1/snap" +mkdir mnt +mount -o errors=remount-ro "$DM_DEV_DIR/$vg1/snap" mnt + +# intetionally suspend layer bellow +dmsetup suspend $vg-$lv1 + +# now this should pass without blocking +dmsetup suspend --noflush --nolockfs $vg1-snap + +# unlock device below +dmsetup resume $vg-$lv1 +# so this will pass without blocking on udev +# otherwise --noudevsync would be needed +dmsetup resume $vg1-snap + + +# Try how force removal works +dmsetup suspend $vg-$lv1 +# needs to fail as device is still open +not dmsetup remove --force $vg1-snap +dmsetup resume $vg-$lv1 + +# check it really is now 'error' target +dmsetup table $vg1-snap | tee out +grep error out + +umount mnt || true + +lvremove -f $vg1 + +vgremove -ff $vg1 +vgremove -ff $vg