dracut-functions: do not try to clear logfile, if not writable

diff --git a/dracut-functions b/dracut-functions
index 7544fc6bd05ef592582e8b989b380b4353b4d441..6009ace0ef2c04d39362796578982567e414e5d6 100755 (executable)
--- a/dracut-functions
+++ b/dracut-functions
@@ -29,8 +29,10 @@ if ! [[ $dracutlogfile ]]; then
     [[ $dsrc = /usr/share/dracut ]] && \
        dracutlogfile=/var/log/dracut.log || \
        dracutlogfile=/tmp/dracut.log
-    [[ -w $dracutlogfile ]] || dracutlogfile=/tmp/dracut.log
-    >"$dracutlogfile"
+#    [[ -w $dracutlogfile ]] || dracutlogfile=/tmp/dracut.log
+    if [[ -w $dracutlogfile ]]; then
+        >"$dracutlogfile"
+    fi
 fi
 
 dwarning() {
@@ -114,11 +116,11 @@ check_vol_slaves() {
     for i in /dev/mapper/*; do 
        lv=$(get_numeric_dev $i)
        if [[ $lv = $2 ]]; then
-           vg=$(lvs --noheadings -o vg_name $i 2>/dev/null)
+           vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
            # strip space
            vg=$(echo $vg)
            if [[ $vg ]]; then
-               for pv in $(vgs --noheadings -o pv_name "$vg" 2>/dev/null); \
+               for pv in $(lvm vgs --noheadings -o pv_name "$vg" 2>/dev/null); \
                    do
                    check_block_and_slaves $1 $(get_numeric_dev $pv) \
                        &&  return 0