merge fsync and j flags

        if ( cmdObj["j"].trueValue() ) {

            if( !getDur().awaitCommit() ) {

                // --journal is off

                result->append("jnote", "journaling not enabled on this server");

                // Set the err field, if the result document doesn't already have it set.

                if ( !err ) {

                    result->append( "err", "nojournal" );

                }

                return true;

            }

            if( cmdObj["fsync"].trueValue() ) {

                *errmsg = "fsync and j options cannot be used together";

                return false;

            }

        }

        else if ( cmdObj["fsync"].trueValue() ) {

            Timer t;

            if( !getDur().awaitCommit() ) {

                // if get here, not running with --journal

                log() << "fsync from getlasterror" << endl;

                result->append( "fsyncFiles" , MemoryMappedFile::flushAll( true ) );

            }

            else {

                // this perhaps is temp.  how long we wait for the group commit to occur.

                result->append( "waited", t.millis() );

            }

        }