[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.2a2-34-g32788e8

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http://git.mpich.org/mpich.git/commitdiff/32788e87819dda3e98968b977ddf12827009d372

commit 32788e87819dda3e98968b977ddf12827009d372
Author: Paul Coffman <pkcoff at us.ibm.com>
Date:   Thu Dec 4 20:55:01 2014 -0600

    romio gpfs: select correct read buffer addendum
    
    The original fix for 'romio gpfs: select correct read buffer' was still
    missing a critical piece for the last round to use the correct read
    buffer, resulting in a correctness issue that was missed by IOR but
    still found by the IBM PE test team.  The fix was to correctly toggle
    the buffer after the last read.
    
    Signed-off-by: Paul Coffman <pkcoff at us.ibm.com>
    Signed-off-by: Rob Latham <robl at mcs.anl.gov>

diff --git a/src/mpi/romio/adio/common/p2p_aggregation.c b/src/mpi/romio/adio/common/p2p_aggregation.c
index 292ba47..89e891b 100644
--- a/src/mpi/romio/adio/common/p2p_aggregation.c
+++ b/src/mpi/romio/adio/common/p2p_aggregation.c
@@ -733,10 +733,10 @@ void ADIOI_P2PContigReadAggregation(ADIO_File fd,
 
 		    }
 		    if (currentReadBuf == 0) {
-			read_buf = read_buf0;
+			read_buf = read_buf1;
 		    }
 		    else {
-			read_buf = read_buf1;
+			read_buf = read_buf0;
 		    }
 
 		}

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

Summary of changes:
 src/mpi/romio/adio/common/p2p_aggregation.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)


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