ooops, need to handle case where extents are not same as type sizes

This commit was SVN r15423.

ompi/mca/osc/base/osc_base_obj_convert.c

@@ -45,10 +45,22 @@ static int copy_##TYPENAME( ompi_convertor_t *pConvertor, uint32_t count,
                             char* to, size_t to_len, ptrdiff_t to_extent, \
                             ptrdiff_t *advance)                         \
 {                                                                       \
+    size_t remote_TYPE_size = sizeof(TYPE) * (COUNT); /* TODO */        \
+    size_t local_TYPE_size = (COUNT) * sizeof(TYPE);                    \
     ompi_osc_base_convertor_t *osc_convertor =                          \
         (ompi_osc_base_convertor_t*) pConvertor;                        \
                                                                         \
+    if( (from_extent == (ptrdiff_t)local_TYPE_size) &&                  \
+        (to_extent == (ptrdiff_t)remote_TYPE_size) ) {                  \
         ompi_op_reduce(osc_convertor->op, from, to, count, osc_convertor->datatype); \
+    } else {                                                            \
+        uint32_t i;                                                     \
+        for( i = 0; i < count; i++ ) {                                  \
+            ompi_op_reduce(osc_convertor->op, from, to, 1, osc_convertor->datatype); \
+            to += to_extent;                                            \
+            from += from_extent;                                        \
+        }                                                               \
+    }                                                                   \
     *advance = count * from_extent;                                     \
     return count;                                                       \
 }