Update mmapplypolicy to use defer mode with list policies

The defer option with a list generates the list file outputs
according to the format described here:

https://www.ibm.com/docs/en/spectrum-scale/4.2.0?topic=pools-file-list-format

The file and ouput args control the location of the resulting file.

run-mmpol.sh

@@ -19,13 +19,15 @@ DATESTR=`date +'%Y-%m-%d-%H:%M:%S'`
 policy=`basename $policyfile`
 filetag="${policy}_slurm-${SLURM_JOBID}_${DATESTR}"
 
-cmd="mmapplypolicy ${filesystem} -I yes \
+cmd="mmapplypolicy ${filesystem} -I defer \
   -P $policyfile \
   -g $tmpglobal \
   -s $tmpscratch \
+  -f ${DIR}/list-${SLURM_JOBID} \
   -M FILEPATH=${filesystem} \
   -M JOBID=${SLURM_JOBID} \
-  -N ${nodes} -n ${cores}"
+  -M LIST_OUTPUT_FILE=${OUTFILE:-/tmp/gpfs-list-policy}
+  -N ${nodes} -n ${cores} -m ${cores}"
 
 # report final command in job log
 echo $cmd