Call my_sync() after all data is written to .frm file

Added my_sync() to mysys which will do fsync/fdatasync/_commit() on a file.

mysql-test/mysql-test-run.sh

@@ -353,6 +353,9 @@ while test $# -gt 0; do
       TMP=`$ECHO "$1" | $SED -e "s;--valgrind-options=;;"`
       VALGRIND="$VALGRIND $TMP"
       ;;
+    --valgrind-all)
+      VALGRIND="$VALGRIND -v --show-reachable=yes"
+      ;;
     --skip-*)
       EXTRA_MASTER_MYSQLD_OPT="$EXTRA_MASTER_MYSQLD_OPT $1"
       EXTRA_SLAVE_MYSQLD_OPT="$EXTRA_SLAVE_MYSQLD_OPT $1"