[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.2-325-g95582e6

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http://git.mpich.org/mpich.git/commitdiff/95582e64c7c5abd99f9338667a7ef45228d27f29

commit 95582e64c7c5abd99f9338667a7ef45228d27f29
Author: Rob Latham <robl at mcs.anl.gov>
Date:   Wed May 25 13:55:39 2016 -0500

    comm_split_type: fix directory-not-shared case
    
    if another process cannot find the file that's OK: it tells us something
    about the topology.  do not report "cannot find file" up to the calling
    routines

diff --git a/src/mpi/romio/mpi-io/mpir_cst_filesys.c b/src/mpi/romio/mpi-io/mpir_cst_filesys.c
index 3ef9429..2ef7092 100644
--- a/src/mpi/romio/mpi-io/mpir_cst_filesys.c
+++ b/src/mpi/romio/mpi-io/mpir_cst_filesys.c
@@ -144,11 +144,15 @@ int MPIR_Comm_split_filesystem(MPI_Comm comm, int key, const char *dirname, MPI_
          * open/close the file instead */
 
         mpi_errno = MPI_File_open(MPI_COMM_SELF, filename, MPI_MODE_RDONLY, MPI_INFO_NULL, &fh);
-        if (mpi_errno != MPI_SUCCESS)
-            goto fn_exit;
-        if (mpi_errno == MPI_SUCCESS)
+        if (mpi_errno == MPI_SUCCESS) {
             globally_visible = 1;
-        MPI_File_close(&fh);
+	    MPI_File_close(&fh);
+	} else {
+	    /* do not report error up to caller.  we are merely testing the
+	     * presence of the file */
+	    mpi_errno = MPI_SUCCESS;
+	    globally_visible = 0;
+	}
     }
     MPI_Bcast(&globally_visible, 1, MPI_INT, challenge_rank, comm);
 

-----------------------------------------------------------------------

Summary of changes:
 src/mpi/romio/mpi-io/mpir_cst_filesys.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)


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