From 710c21f2e9a4cfd8210d558dd34525fdaf7e501f Mon Sep 17 00:00:00 2001
From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Fri, 24 Jul 2009 10:25:01 -0700
Subject: [PATCH] Use LOSETUP variable for all calls to /sbin/losetup

---
 scripts/common.sh                 | 6 ++++--
 scripts/zpool-config/lo-raid0.sh  | 6 +++---
 scripts/zpool-config/lo-raid10.sh | 8 ++++----
 scripts/zpool-config/lo-raidz.sh  | 6 +++---
 scripts/zpool-config/lo-raidz2.sh | 6 +++---
 5 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/scripts/common.sh b/scripts/common.sh
index 6e19bbf83d..f7944fe31e 100755
--- a/scripts/common.sh
+++ b/scripts/common.sh
@@ -18,6 +18,8 @@ DUMP_LOG=
 ERROR=
 MODULES=()
 
+LOSETUP=/sbin/losetup
+
 die() {
 	echo -e "${PROG}: $1" >&2
 	exit 1
@@ -146,9 +148,9 @@ unload_modules() {
 
 unused_loop_device() {
 	for DEVICE in `ls -1 /dev/loop*`; do
-		losetup $DEVICE &>/dev/null
+		${LOSETUP} ${DEVICE} &>/dev/null
 		if [ $? -ne 0 ]; then
-			echo $DEVICE
+			echo ${DEVICE}
 			return
 		fi
 	done
diff --git a/scripts/zpool-config/lo-raid0.sh b/scripts/zpool-config/lo-raid0.sh
index 36b3c4d62f..b514499bc7 100644
--- a/scripts/zpool-config/lo-raid0.sh
+++ b/scripts/zpool-config/lo-raid0.sh
@@ -16,7 +16,7 @@ zpool_create() {
 		rm -f ${FILE} || exit 1
 		dd if=/dev/zero of=${FILE} bs=1024k count=256 &>/dev/null ||
 			die "Error $? creating ${FILE}"
-		losetup ${DEVICE} ${FILE} ||
+		${LOSETUP} ${DEVICE} ${FILE} ||
 			die "Error $? creating ${FILE} -> ${DEVICE} loopback"
 		DEVICES="${DEVICES} ${DEVICE}"
 	done
@@ -30,9 +30,9 @@ zpool_destroy() {
 	${CMDDIR}/zpool/zpool destroy ${ZPOOL_NAME}
 
 	for FILE in ${FILES}; do
-		DEVICE=`/sbin/losetup -a | grep ${FILE} | head -n1|cut -f1 -d:`
+		DEVICE=`${LOSETUP} -a | grep ${FILE} | head -n1|cut -f1 -d:`
 		msg "Removing ${FILE} using loopback device ${DEVICE}"
-		losetup -d ${DEVICE} ||
+		${LOSETUP} -d ${DEVICE} ||
 			die "Error $? destroying ${FILE} -> ${DEVICE} loopback"
 		rm -f ${FILE} || exit 1
 	done
diff --git a/scripts/zpool-config/lo-raid10.sh b/scripts/zpool-config/lo-raid10.sh
index 64602aec38..2376669495 100644
--- a/scripts/zpool-config/lo-raid10.sh
+++ b/scripts/zpool-config/lo-raid10.sh
@@ -18,7 +18,7 @@ zpool_create() {
 		rm -f ${FILE} || exit 1
 		dd if=/dev/zero of=${FILE} bs=1024k count=256 &>/dev/null ||
 			die "Error $? creating ${FILE}"
-		losetup ${DEVICE} ${FILE} ||
+		${LOSETUP} ${DEVICE} ${FILE} ||
 			die "Error $? creating ${FILE} -> ${DEVICE} loopback"
 		DEVICES_M1="${DEVICES_M1} ${DEVICE}"
 	done
@@ -29,7 +29,7 @@ zpool_create() {
 		rm -f ${FILE} || exit 1
 		dd if=/dev/zero of=${FILE} bs=1024k count=256 &>/dev/null ||
 			die "Error $? creating ${FILE}"
-		losetup ${DEVICE} ${FILE} ||
+		${LOSETUP} ${DEVICE} ${FILE} ||
 			die "Error $? creating ${FILE} -> ${DEVICE} loopback"
 		DEVICES_M2="${DEVICES_M2} ${DEVICE}"
 	done
@@ -45,9 +45,9 @@ zpool_destroy() {
 	${CMDDIR}/zpool/zpool destroy ${ZPOOL_NAME}
 
 	for FILE in ${FILES}; do
-		DEVICE=`/sbin/losetup -a | grep ${FILE} | head -n1|cut -f1 -d:`
+		DEVICE=`${LOSETUP} -a | grep ${FILE} | head -n1|cut -f1 -d:`
 		msg "Removing ${FILE} using loopback device ${DEVICE}"
-		losetup -d ${DEVICE} ||
+		${LOSETUP} -d ${DEVICE} ||
 			die "Error $? destroying ${FILE} -> ${DEVICE} loopback"
 		rm -f ${FILE} || exit 1
 	done
diff --git a/scripts/zpool-config/lo-raidz.sh b/scripts/zpool-config/lo-raidz.sh
index 616c364bed..9ec90e2bcc 100644
--- a/scripts/zpool-config/lo-raidz.sh
+++ b/scripts/zpool-config/lo-raidz.sh
@@ -16,7 +16,7 @@ zpool_create() {
 		rm -f ${FILE} || exit 1
 		dd if=/dev/zero of=${FILE} bs=1024k count=256 &>/dev/null ||
 			die "Error $? creating ${FILE}"
-		losetup ${DEVICE} ${FILE} ||
+		${LOSETUP} ${DEVICE} ${FILE} ||
 			die "Error $? creating ${FILE} -> ${DEVICE} loopback"
 		DEVICES="${DEVICES} ${DEVICE}"
 	done
@@ -30,9 +30,9 @@ zpool_destroy() {
 	${CMDDIR}/zpool/zpool destroy ${ZPOOL_NAME}
 
 	for FILE in ${FILES}; do
-		DEVICE=`/sbin/losetup -a | grep ${FILE} | head -n1|cut -f1 -d:`
+		DEVICE=`${LOSETUP} -a | grep ${FILE} | head -n1|cut -f1 -d:`
 		msg "Removing ${FILE} using loopback device ${DEVICE}"
-		losetup -d ${DEVICE} ||
+		${LOSETUP} -d ${DEVICE} ||
 			die "Error $? destroying ${FILE} -> ${DEVICE} loopback"
 		rm -f ${FILE} || exit 1
 	done
diff --git a/scripts/zpool-config/lo-raidz2.sh b/scripts/zpool-config/lo-raidz2.sh
index dbd7d815eb..2883d7f9f5 100644
--- a/scripts/zpool-config/lo-raidz2.sh
+++ b/scripts/zpool-config/lo-raidz2.sh
@@ -16,7 +16,7 @@ zpool_create() {
 		rm -f ${FILE} || exit 1
 		dd if=/dev/zero of=${FILE} bs=1024k count=256 &>/dev/null ||
 			die "Error $? creating ${FILE}"
-		losetup ${DEVICE} ${FILE} ||
+		${LOSETUP} ${DEVICE} ${FILE} ||
 			die "Error $? creating ${FILE} -> ${DEVICE} loopback"
 		DEVICES="${DEVICES} ${DEVICE}"
 	done
@@ -30,9 +30,9 @@ zpool_destroy() {
 	${CMDDIR}/zpool/zpool destroy ${ZPOOL_NAME}
 
 	for FILE in ${FILES}; do
-		DEVICE=`/sbin/losetup -a | grep ${FILE} | head -n1|cut -f1 -d:`
+		DEVICE=`${LOSETUP} -a | grep ${FILE} | head -n1|cut -f1 -d:`
 		msg "Removing ${FILE} using loopback device ${DEVICE}"
-		losetup -d ${DEVICE} ||
+		${LOSETUP} -d ${DEVICE} ||
 			die "Error $? destroying ${FILE} -> ${DEVICE} loopback"
 		rm -f ${FILE} || exit 1
 	done