diff -urN openmpi-1.2.6_old/ompi/mca/io/romio/romio/adio/ad_pvfs2/io_romio_ad_pvfs2_open.c openmpi-1.2.6_patch/ompi/mca/io/romio/romio/adio/ad_pvfs2/io_romio_ad_pvfs2_open.c
--- openmpi-1.2.6_old/ompi/mca/io/romio/romio/adio/ad_pvfs2/io_romio_ad_pvfs2_open.c	2006-11-09 13:53:51.000000000 -0500
+++ openmpi-1.2.6_patch/ompi/mca/io/romio/romio/adio/ad_pvfs2/io_romio_ad_pvfs2_open.c	2008-05-30 15:08:55.000000000 -0400
@@ -83,7 +83,7 @@
             /* Perform file creation */
             ret = PVFS_sys_create(resp_getparent.basename, 
 		    resp_getparent.parent_ref, attribs, 
-		    &(pvfs2_fs->credentials), dist, &resp_create); 
+		    &(pvfs2_fs->credentials), dist, NULL, &resp_create); 
 
 	    if (ret < 0) { /* XXX: should only do this for EEXISTS */
 		ret = PVFS_sys_lookup(fs_id, pvfs_name,