fix snapshot detection

diff --git a/sbin/lvcreate b/sbin/lvcreate
index c743f20..b326a8e 100755 (executable)
--- a/sbin/lvcreate
+++ b/sbin/lvcreate
@@ -20,7 +20,7 @@ if echo $* | grep -q $EXTP_VG ; then
                shift
        done
 
-       if [ ! $SNAP ] ; then
+       if [ $SNAP = 0 ] ; then
 
                test -e /dev/zvol/$EXTP_ZFS/$VOL_NAME || \
                zfs create -V ${VOL_SIZE} $EXTP_CREATE $EXTP_ZFS/$VOL_NAME