1 files changed, 93 insertions, 0 deletions
diff --git a/test/shell/snapshot-remove-dmsetup.sh b/test/shell/snapshot-remove-dmsetup.sh
new file mode 100644
index 0000000..ab5e2e9
--- /dev/null
+++ b/test/shell/snapshot-remove-dmsetup.sh
@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+# check if 'dmsetup --noflush' will work properly for mounted snapshot
+
+SKIP_WITH_LVMLOCKD=1
+SKIP_WITH_LVMPOLLD=1
+
+. lib/inittest
+
+which mkfs.ext2 || skip
+
+aux prepare_vg 5
+
+# Create stacked device
+lvcreate --type snapshot -s -L10 -n $lv1 $vg --virtualsize 100M
+aux lvmconf "devices/scan_lvs = 1"
+aux extend_filter_LVMTEST
+aux extend_devices "$DM_DEV_DIR"/$vg/$lv1
+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
+
+sync
+
+# intentionally suspend layer below
+dmsetup suspend $vg-$lv1
+
+# now this should pass without blocking
+dmsetup suspend --noflush --nolockfs $vg1-snap &
+DMPID=$!
+#dmsetup suspend $vg1-snap &
+
+sleep .5
+
+dmsetup info --noheadings -c -o suspended $vg1-snap | tee out
+should grep -i suspend out
+
+# unlock device below
+dmsetup resume $vg-$lv1
+# so this will pass without blocking on udev
+# otherwise --noudevsync would be needed
+dmsetup resume $vg1-snap
+
+# Expecting success from 'dmsetup'
+wait $DMPID
+
+
+# Try how force removal works (and wait till there is no user)
+sync
+sleep .5
+dmsetup suspend $vg-$lv1
+# needs to fail as device is still open
+not dmsetup remove --force $vg1-snap &
+DMPID=$!
+
+# on older snapshot target 'remove' will wait till $lv1 is resumed
+if aux target_at_least dm-snapshot 1 6 0 ; then
+sleep .5
+
+dmsetup table $vg1-snap | tee out
+should grep -i error out
+fi
+
+dmsetup resume $vg-$lv1
+
+# Expecting success from 'not dmsetup'
+wait $DMPID
+
+# 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