diff --git a/scripts/common.sh.in b/scripts/common.sh.in
index bb602474b0..00418696c8 100644
--- a/scripts/common.sh.in
+++ b/scripts/common.sh.in
@@ -15,6 +15,7 @@ MODULES=(zlib_deflate spl splat zavl znvpair zunicode zcommon zfs)
 fi
 
 PROG="<define PROG>"
+CLEANUP=
 VERBOSE=
 VERBOSE_FLAG=
 FORCE=
@@ -207,6 +208,24 @@ unused_loop_device() {
 	die "Error: Unable to find unused loopback device"
 }
 
+#
+# This can be slightly dangerous because the loop devices we are
+# cleanup up may not be ours.  However, if the devices are currently
+# in use we will not be able to remove them, and we only remove
+# devices which include 'zpool' in the name.  So any damage we might
+# do should be limited to other zfs related testing.
+#
+cleanup_loop_devices() {
+	local TMP_FILE=`mktemp`
+
+	${LOSETUP} -a | tr -d '()' >${TMP_FILE}
+	${AWK} -F":" -v losetup="$LOSETUP" \
+	    '/zpool/ { system("losetup -d "$1) }' ${TMP_FILE}
+	${AWK} -F" " '/zpool/ { system("rm -f "$3) }' ${TMP_FILE}
+
+	rm -f ${TMP_FILE}
+}
+
 #
 # The following udev helper functions assume that the provided
 # udev rules file will create a /dev/disk/zpool/<CHANNEL><RANK>
diff --git a/scripts/zconfig.sh b/scripts/zconfig.sh
index a34e656daa..c671206186 100755
--- a/scripts/zconfig.sh
+++ b/scripts/zconfig.sh
@@ -16,7 +16,7 @@ PROG=zconfig.sh
 usage() {
 cat << EOF
 USAGE:
-$0 [hv]
+$0 [hvc]
 
 DESCRIPTION:
 	ZFS/ZPOOL configuration tests
@@ -24,11 +24,12 @@ DESCRIPTION:
 OPTIONS:
 	-h      Show this message
 	-v      Verbose
+	-c      Cleanup lo+file devices at start
 
 EOF
 }
 
-while getopts 'hv' OPTION; do
+while getopts 'hvc?' OPTION; do
 	case $OPTION in
 	h)
 		usage
@@ -37,6 +38,9 @@ while getopts 'hv' OPTION; do
 	v)
 		VERBOSE=1
 		;;
+	c)
+		CLEANUP=1
+		;;
 	?)
 		usage
 		exit
@@ -48,12 +52,34 @@ if [ $(id -u) != 0 ]; then
 	die "Must run as root"
 fi
 
+# Perform pre-cleanup is requested
+if [ ${CLEANUP} ]; then
+	cleanup_loop_devices
+	rm -f /tmp/zpool.cache.*
+fi
+
+zconfig_partition() {
+	local DEVICE=$1
+	local START=$2
+	local END=$3
+	local TMP_FILE=`mktemp`
+
+	/sbin/sfdisk -q ${DEVICE} << EOF &>${TMP_FILE} || fail 4
+${START},${END}
+;
+;
+;
+EOF
+
+	rm ${TMP_FILE}
+}
+
 # Validate persistent zpool.cache configuration.
 zconfig_test1() {
-	POOL_NAME=test1
-	TMP_FILE1=`mktemp`
-	TMP_FILE2=`mktemp`
-	TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
+	local POOL_NAME=test1
+	local TMP_FILE1=`mktemp`
+	local TMP_FILE2=`mktemp`
+	local TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
 
 	echo -n "test 1 - persistent zpool.cache: "
 
@@ -79,10 +105,10 @@ zconfig_test1
 
 # Validate ZFS disk scanning and import w/out zpool.cache configuration.
 zconfig_test2() {
-	POOL_NAME=test2
-	TMP_FILE1=`mktemp`
-	TMP_FILE2=`mktemp`
-	TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
+	local POOL_NAME=test2
+	local TMP_FILE1=`mktemp`
+	local TMP_FILE2=`mktemp`
+	local TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
 
 	echo -n "test 2 - scan disks for pools to import: "
 
@@ -113,12 +139,11 @@ zconfig_test2
 
 # ZVOL sanity check
 zconfig_test3() {
-	POOL_NAME=tank
-	ZVOL_NAME=fish
-	FULL_NAME=${POOL_NAME}/${ZVOL_NAME}
-	SRC_DIR=/bin/
-	TMP_FILE1=`mktemp`
-	TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
+	local POOL_NAME=tank
+	local ZVOL_NAME=fish
+	local FULL_NAME=${POOL_NAME}/${ZVOL_NAME}
+	local SRC_DIR=/bin/
+	local TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
 
 	echo -n "test 3 - zvol+ext3 sanity: "
 
@@ -129,15 +154,10 @@ zconfig_test3() {
 
 	# Partition the volume, for a 400M volume there will be
 	# 812 cylinders, 16 heads, and 63 sectors per track.
-	/sbin/sfdisk -q /dev/zvol/${FULL_NAME} << EOF &>${TMP_FILE1} || fail 4
-,812
-;
-;
-;
-EOF
+	zconfig_partition /dev/zvol/${FULL_NAME} 0 812
 
 	# Format the partition with ext3.
-	/sbin/mkfs.ext3 /dev/zvol/${FULL_NAME}1 &>${TMP_FILE1} || fail 5
+	/sbin/mkfs.ext3 -q /dev/zvol/${FULL_NAME}1 || fail 5
 
 	# Mount the ext3 filesystem and copy some data to it.
 	mkdir -p /tmp/${ZVOL_NAME} || fail 6
@@ -152,67 +172,93 @@ EOF
 	umount /tmp/${ZVOL_NAME} || fail 11
 	${ZFS} destroy ${FULL_NAME} || fail 12
 	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 -d || fail 13
-	rm -f ${TMP_FILE1} || fail 14
 	${ZFS_SH} -u || fail 15
 
 	pass
 }
 zconfig_test3
 
-# zpool import/export device check (1 volume, 1 snapshot, 1 clone)
+zconfig_zvol_device_stat() {
+	local EXPECT=$1
+	local POOL_NAME=/dev/zvol/$2
+	local ZVOL_NAME=/dev/zvol/$3
+	local SNAP_NAME=/dev/zvol/$4
+	local CLONE_NAME=/dev/zvol/$5
+	local COUNT=0
+
+	# Pool exists
+	stat ${POOL_NAME} &>/dev/null   && let COUNT=$COUNT+1
+
+	# Volume and partitions
+	stat ${ZVOL_NAME}  &>/dev/null  && let COUNT=$COUNT+1
+	stat ${ZVOL_NAME}1 &>/dev/null  && let COUNT=$COUNT+1
+	stat ${ZVOL_NAME}2 &>/dev/null  && let COUNT=$COUNT+1
+
+	# Snapshot with partitions
+	stat ${SNAP_NAME}  &>/dev/null  && let COUNT=$COUNT+1
+	stat ${SNAP_NAME}1 &>/dev/null  && let COUNT=$COUNT+1
+	stat ${SNAP_NAME}2 &>/dev/null  && let COUNT=$COUNT+1
+
+	# Clone with partitions
+	stat ${CLONE_NAME}  &>/dev/null && let COUNT=$COUNT+1
+	stat ${CLONE_NAME}1 &>/dev/null && let COUNT=$COUNT+1
+	stat ${CLONE_NAME}2 &>/dev/null && let COUNT=$COUNT+1
+
+	if [ $EXPECT -ne $COUNT ]; then
+		return 1
+	fi
+
+	return 0
+}
+
+# zpool import/export device check
+# (1 volume, 2 partitions, 1 snapshot, 1 clone)
 zconfig_test4() {
-	POOL_NAME=tank
-	ZVOL_NAME=volume
-	SNAP_NAME=snapshot
-	CLONE_NAME=clone
-	FULL_ZVOL_NAME=${POOL_NAME}/${ZVOL_NAME}
-	FULL_SNAP_NAME=${POOL_NAME}/${ZVOL_NAME}@${SNAP_NAME}
-	FULL_CLONE_NAME=${POOL_NAME}/${CLONE_NAME}
-	TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
+	local POOL_NAME=tank
+	local ZVOL_NAME=volume
+	local SNAP_NAME=snapshot
+	local CLONE_NAME=clone
+	local FULL_ZVOL_NAME=${POOL_NAME}/${ZVOL_NAME}
+	local FULL_SNAP_NAME=${POOL_NAME}/${ZVOL_NAME}@${SNAP_NAME}
+	local FULL_CLONE_NAME=${POOL_NAME}/${CLONE_NAME}
+	local TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
 
 	echo -n "test 4 - zpool import/export device: "
 
-	# Create a pool, volume, snapshot, and clone
+	# Create a pool, volume, partition, snapshot, and clone.
 	${ZFS_SH} zfs="spa_config_path=${TMP_CACHE}" || fail 1
 	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 || fail 2
 	${ZFS} create -V 100M ${FULL_ZVOL_NAME} || fail 3
-	${ZFS} snapshot ${FULL_SNAP_NAME} || fail 4
-	${ZFS} clone ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 5
+	zconfig_partition /dev/zvol/${FULL_ZVOL_NAME} 0 64 || fail 4
+	${ZFS} snapshot ${FULL_SNAP_NAME} || fail 5
+	${ZFS} clone ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 6
 
 	# Verify the devices were created
-	stat /dev/zvol/${POOL_NAME} &>/dev/null || fail 6
-	stat /dev/zvol/${FULL_ZVOL_NAME} &>/dev/null || fail 7
-	stat /dev/zvol/${FULL_SNAP_NAME} &>/dev/null || fail 8
-	stat /dev/zvol/${FULL_CLONE_NAME} &>/dev/null || fail 9
+	zconfig_zvol_device_stat 10 ${POOL_NAME} ${FULL_ZVOL_NAME} \
+	    ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 7
 
 	# Export the pool
-	${ZPOOL} export ${POOL_NAME} || fail 10
+	${ZPOOL} export ${POOL_NAME} || fail 8
 
-	# Verify the devices were removed
-	stat /dev/zvol/${POOL_NAME} &>/dev/null && fail 11
-	stat /dev/zvol/${FULL_ZVOL_NAME} &>/dev/null && fail 12
-	stat /dev/zvol/${FULL_SNAP_NAME} &>/dev/null && fail 13
-	stat /dev/zvol/${FULL_CLONE_NAME} &>/dev/null && fail 14
+	# verify the devices were removed
+	zconfig_zvol_device_stat 0 ${POOL_NAME} ${FULL_ZVOL_NAME} \
+	    ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 9
 
 	# Import the pool, wait 1 second for udev
-	${ZPOOL} import ${POOL_NAME} && sleep 1 || fail 15
+	${ZPOOL} import ${POOL_NAME} && sleep 1 || fail 10
 
 	# Verify the devices were created
-	stat /dev/zvol/${POOL_NAME} &>/dev/null || fail 16
-	stat /dev/zvol/${FULL_ZVOL_NAME} &>/dev/null || fail 17
-	stat /dev/zvol/${FULL_SNAP_NAME} &>/dev/null || fail 18
-	stat /dev/zvol/${FULL_CLONE_NAME} &>/dev/null || fail 19
+	zconfig_zvol_device_stat 10 ${POOL_NAME} ${FULL_ZVOL_NAME} \
+	    ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 11
 
 	# Destroy the pool and consequently the devices
-	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 -d || fail 20
+	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 -d || fail 12
 
-	# Verify the devices were removed
-	stat /dev/zvol/${POOL_NAME} &>/dev/null && fail 21
-	stat /dev/zvol/${FULL_ZVOL_NAME} &>/dev/null && fail 22
-	stat /dev/zvol/${FULL_SNAP_NAME} &>/dev/null && fail 23
-	stat /dev/zvol/${FULL_CLONE_NAME} &>/dev/null && fail 24
+	# verify the devices were removed
+	zconfig_zvol_device_stat 0 ${POOL_NAME} ${FULL_ZVOL_NAME} \
+	    ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 13
 
-	${ZFS_SH} -u || fail 25
+	${ZFS_SH} -u || fail 14
 
 	pass
 }
@@ -235,43 +281,36 @@ zconfig_test5() {
 	${ZFS_SH} zfs="spa_config_path=${TMP_CACHE}" || fail 1
 	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 || fail 2
 	${ZFS} create -V 100M ${FULL_ZVOL_NAME} || fail 3
-	${ZFS} snapshot ${FULL_SNAP_NAME} || fail 4
-	${ZFS} clone ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 5
+	zconfig_partition /dev/zvol/${FULL_ZVOL_NAME} 0 64 || fail 4
+	${ZFS} snapshot ${FULL_SNAP_NAME} || fail 5
+	${ZFS} clone ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 6
 
 	# Verify the devices were created
-	stat /dev/zvol/${POOL_NAME} &>/dev/null || fail 6
-	stat /dev/zvol/${FULL_ZVOL_NAME} &>/dev/null || fail 7
-	stat /dev/zvol/${FULL_SNAP_NAME} &>/dev/null || fail 8
-	stat /dev/zvol/${FULL_CLONE_NAME} &>/dev/null || fail 9
+	zconfig_zvol_device_stat 10 ${POOL_NAME} ${FULL_ZVOL_NAME} \
+	    ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 7
 
 	# Unload the modules
-	${ZFS_SH} -u || fail 10
+	${ZFS_SH} -u || fail 8
 
 	# Verify the devices were removed
-	stat /dev/zvol/${POOL_NAME} &>/dev/null && fail 11
-	stat /dev/zvol/${FULL_ZVOL_NAME} &>/dev/null && fail 12
-	stat /dev/zvol/${FULL_SNAP_NAME} &>/dev/null && fail 13
-	stat /dev/zvol/${FULL_CLONE_NAME} &>/dev/null && fail 14
+	zconfig_zvol_device_stat 0 ${POOL_NAME} ${FULL_ZVOL_NAME} \
+	    ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 9
 
 	# Load the modules, wait 1 second for udev
-	${ZFS_SH} zfs="spa_config_path=${TMP_CACHE}" && sleep 1 || fail 15
+	${ZFS_SH} zfs="spa_config_path=${TMP_CACHE}" && sleep 1 || fail 10
 
 	# Verify the devices were created
-	stat /dev/zvol/${POOL_NAME} &>/dev/null || fail 16
-	stat /dev/zvol/${FULL_ZVOL_NAME} &>/dev/null || fail 17
-	stat /dev/zvol/${FULL_SNAP_NAME} &>/dev/null || fail 18
-	stat /dev/zvol/${FULL_CLONE_NAME} &>/dev/null || fail 19
+	zconfig_zvol_device_stat 10 ${POOL_NAME} ${FULL_ZVOL_NAME} \
+	    ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 11
 
 	# Destroy the pool and consequently the devices
-	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 -d || fail 20
+	${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 -d || fail 12
 
 	# Verify the devices were removed
-	stat /dev/zvol/${POOL_NAME} &>/dev/null && fail 21
-	stat /dev/zvol/${FULL_ZVOL_NAME} &>/dev/null && fail 22
-	stat /dev/zvol/${FULL_SNAP_NAME} &>/dev/null && fail 23
-	stat /dev/zvol/${FULL_CLONE_NAME} &>/dev/null && fail 24
+	zconfig_zvol_device_stat 0 ${POOL_NAME} ${FULL_ZVOL_NAME} \
+	    ${FULL_SNAP_NAME} ${FULL_CLONE_NAME} || fail 13
 
-	${ZFS_SH} -u || fail 25
+	${ZFS_SH} -u || fail 14
 
 	pass
 }