--- ltp-fs/testcases/kernel/fs/doio/doio.c.orig 1994-11-24 17:12:32.000000000 +0000
+++ ltp-fs/testcases/kernel/fs/doio/doio.c      2003-10-15 18:20:48.000000000 +0000
@@ -2821,6 +2821,8 @@
                memcpy(memaddr, addr, req->r_data.io.r_nbytes);
        else
                memcpy(addr, memaddr, req->r_data.io.r_nbytes);
+       if (v_opt) 
+               msync(fdc->c_memaddr, (int)sbuf.st_size, MS_SYNC);
        active_mmap_rw = 0;
 
        status->rval = req->r_data.io.r_nbytes;