ROMIO code assumes all processes will use the same ROMIO driver. we
were not reaching the "find a common file system" logic when NFS was
enabled, everyone stat-ed the file system without errors, but some
processees found a different file system (like if some processes are
writing to NFS and others to UFS)
See discussion beginning here:
http://lists.mpich.org/pipermail/discuss/2014-March/002403.html
Tested-by: Jeff Squyres <jsquyres@cisco.com>
Submitted by Rob Lathan, reviewed by Jeff Squyres
cmr=v1.8:reviewer=ompi-rm1.8
This commit was SVN r31201.