[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.0.2-3-gf71dd6e

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      from  34249593d1229da56c14beaa5fb8287b70aab08e (commit)

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- Log -----------------------------------------------------------------
http://git.mpich.org/mpich.git/commitdiff/f71dd6e42390021aaf91814008e7208ad3e65f64

commit f71dd6e42390021aaf91814008e7208ad3e65f64
Author: Rob Latham <robl at mcs.anl.gov>
Date:   Tue Jan 22 08:33:20 2013 -0600

    feature-encode NTFS quirk
    
    NTFS does not have the POSIX "file exists until everyone closes it"
    property, so introduce the feature mechanism to NTFS and let ADIO know
    NTFS cannot rely on that property.

diff --git a/src/mpi/romio/adio/ad_ntfs/ad_ntfs.c b/src/mpi/romio/adio/ad_ntfs/ad_ntfs.c
index 696ba85..ff95110 100644
--- a/src/mpi/romio/adio/ad_ntfs/ad_ntfs.c
+++ b/src/mpi/romio/adio/ad_ntfs/ad_ntfs.c
@@ -34,5 +34,5 @@ struct ADIOI_Fns_struct ADIO_NTFS_operations = {
     ADIOI_NTFS_Flush, /* Flush */
     ADIOI_NTFS_Resize, /* Resize */
     ADIOI_GEN_Delete, /* Delete */
-    ADIOI_GEN_Feature /* Features */
+    ADIOI_NTFS_Feature /* Features */
 };
diff --git a/src/mpi/romio/adio/ad_ntfs/ad_ntfs_feature.c b/src/mpi/romio/adio/ad_ntfs/ad_ntfs_feature.c
new file mode 100644
index 0000000..691c224
--- /dev/null
+++ b/src/mpi/romio/adio/ad_ntfs/ad_ntfs_feature.c
@@ -0,0 +1,20 @@
+#include "adio.h"
+
+int ADIOI_NTFS_Feature(ADIO_File fd, int flag)
+{
+	switch(flag) {
+	    /* supported features */
+		case ADIO_LOCKS:
+		case ADIO_SHARED_FP:
+		case ADIO_ATOMIC_MODE:
+		case ADIO_DATA_SIEVING_WRITES:
+			return 1;
+			break;
+	    /* unsupported features */
+		case ADIO_SCALABLE_OPEN:
+		case ADIO_UNLINK_AFTER_CLOSE:
+		default:
+			return 0;
+			break;
+	}
+}

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

Summary of changes:
 src/mpi/romio/adio/ad_ntfs/ad_ntfs.c               |    2 +-
 .../ad_features.c => ad_ntfs/ad_ntfs_feature.c}    |    6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)
 copy src/mpi/romio/adio/{common/ad_features.c => ad_ntfs/ad_ntfs_feature.c} (70%)


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