Abstract out some common quota shell code, add project operation to fsstress.

Merge of master-melb:xfs-cmds:22099a by kenmcd.

050

@@ -74,9 +74,7 @@ _require_scratch
 _require_quota
 
 # setup a default run
-if [ -z "$MOUNT_OPTIONS" ]; then
-        export MOUNT_OPTIONS="-o uquota"
-fi
+[ -z "$MOUNT_OPTIONS" ] && export MOUNT_OPTIONS="-o uquota"
 
 blksoft=100
 blkhard=500
@@ -119,25 +117,7 @@ else
     QUOTA_FS=$SCRATCH_MNT
 fi
 
-# setup exactly what it is we'll be testing
-enforce=1
-if src/feature -u $SCRATCH_DEV
-then
-	type=u ; eval `_choose_uid`; ln -s $seq.usrquota $seq.out
-elif src/feature -g $SCRATCH_DEV
-then
-	type=g ; eval `_choose_gid`; ln -s $seq.grpquota $seq.out
-elif src/feature -U $SCRATCH_DEV
-then
-	type=u ; eval `_choose_uid`; ln -s $seq.uqnoenforce $seq.out
-	enforce=0
-elif src/feature -G $SCRATCH_DEV
-then
-	type=g ; eval `_choose_gid`; ln -s $seq.gqnoenforce $seq.out
-	enforce=0
-else
-	_notrun "No quota support at mount time"
-fi
+_qsetup
 
 echo "Using output from '" `ls -l $seq.out` "'" >>$seq.full
 echo "and using type=$type id=$id" >>$seq.full