Try to simplify log QA with mnt and mkfs options.

Add new test 086 for log replay with v2 logs.
Need to write more tests with varying metadata ops.
simplify

081

@@ -64,22 +64,18 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 # prelim
 rm -f $seq.full $tmp.*
 _require_scratch
-_clear_opts
 echo "*** init FS"
 umount $SCRATCH_DEV >/dev/null 2>&1
 
 # do a simple quota test to ensure DQUOT data is happening
-mkfs="-lversion=1"
-mnt="-ousrquota,grpquota"
-_mkfs_log $mkfs
-_create_log $mnt
+export MKFS_OPTIONS="-lversion=1"
+export MOUNT_OPTIONS="-ousrquota,grpquota"
+_mkfs_log
+_create_log
 _check_log
 _print_transaction_inode 2
 _cmp_output $seq.ugquota.trans_inode $filtered
 
 # got thru it all so we may have success
-if [ ! -e $tmp.error ]; then
-    status=0
-fi
-
+status=0
 exit