diff --git a/src/ior-output.c b/src/ior-output.c
index bf5f080..8cfaf12 100644
--- a/src/ior-output.c
+++ b/src/ior-output.c
@@ -346,7 +346,9 @@ void ShowTestStart(IOR_param_t *test)
   PrintKeyValInt("TestID", test->id);
   PrintKeyVal("StartTime", CurrentTimeString());
 
-  ShowFileSystemSize(test);
+  char filename[MAX_PATHLEN];
+  GetTestFileName(filename, test);
+  ShowFileSystemSize(filename, test->backend, test->backend_options);
 
   if (verbose >= VERBOSE_3 || outputFormat == OUTPUT_JSON) {
     char* data_packets[] = {"g","t","o","i"};
diff --git a/src/mdtest.c b/src/mdtest.c
index c713796..6efd852 100644
--- a/src/mdtest.c
+++ b/src/mdtest.c
@@ -1563,39 +1563,6 @@ void show_file_system_size(char *file_system) {
     return;
 }
 
-void display_freespace(char *testdirpath)
-{
-    char dirpath[MAX_PATHLEN] = {0};
-    int  i;
-    int  directoryFound   = 0;
-
-
-    VERBOSE(3,5,"Entering display_freespace on %s...", testdirpath );
-
-    strcpy(dirpath, testdirpath);
-
-    /* get directory for outfile */
-    i = strlen(dirpath);
-    while (i-- > 0) {
-        if (dirpath[i] == '/') {
-            dirpath[i] = '\0';
-            directoryFound = 1;
-            break;
-        }
-    }
-
-    /* if no directory/, use '.' */
-    if (directoryFound == 0) {
-        strcpy(dirpath, ".");
-    }
-
-    VERBOSE(3,5,"Before show_file_system_size, dirpath is '%s'", dirpath );
-    show_file_system_size(dirpath);
-    VERBOSE(3,5, "After show_file_system_size, dirpath is '%s'\n", dirpath );
-
-    return;
-}
-
 void create_remove_directory_tree(int create,
                                   int currDepth, char* path, int dirNum, rank_progress_t * progress) {
 
@@ -1921,6 +1888,7 @@ void mdtest_init_args(){
 mdtest_results_t * mdtest_run(int argc, char **argv, MPI_Comm world_com, FILE * world_out) {
     testComm = world_com;
     out_logfile = world_out;
+    out_resultfile = world_out;
     mpi_comm_world = world_com;
 
     init_clock();
@@ -2203,7 +2171,7 @@ mdtest_results_t * mdtest_run(int argc, char **argv, MPI_Comm world_com, FILE *
     /* display disk usage */
     VERBOSE(3,-1,"main (before display_freespace): testdirpath is '%s'", testdirpath );
 
-    if (rank == 0) display_freespace(testdirpath);
+    if (rank == 0) ShowFileSystemSize(testdirpath, backend, backend_options);
     int tasksBlockMapping = QueryNodeMapping(testComm, true);
 
     /* set the shift to mimic IOR and shift by procs per node */
diff --git a/src/utilities.c b/src/utilities.c
index 36db9c9..b1b8cda 100755
--- a/src/utilities.c
+++ b/src/utilities.c
@@ -572,16 +572,14 @@ IOR_offset_t StringToBytes(char *size_str)
 /*
  * Displays size of file system and percent of data blocks and inodes used.
  */
-void ShowFileSystemSize(IOR_param_t * test) // this might be converted to an AIORI call
+void ShowFileSystemSize(char * filename, const struct ior_aiori * backend, void * backend_options) // this might be converted to an AIORI call
 {
   ior_aiori_statfs_t stat;
-  if(! test->backend->statfs){
+  if(! backend->statfs){
     WARN("Backend doesn't implement statfs");
     return;
   }
-  char filename[MAX_PATHLEN];
-  GetTestFileName(filename, test);
-  int ret = test->backend->statfs(filename, & stat, test->backend_options);
+  int ret = backend->statfs(filename, & stat, backend_options);
   if( ret != 0 ){
     WARN("Backend returned error during statfs");
     return;
diff --git a/src/utilities.h b/src/utilities.h
index 56cc8db..678837a 100755
--- a/src/utilities.h
+++ b/src/utilities.h
@@ -38,7 +38,7 @@ void set_o_direct_flag(int *fd);
 
 char *CurrentTimeString(void);
 int Regex(char *, char *);
-void ShowFileSystemSize(IOR_param_t * test);
+void ShowFileSystemSize(char * filename, const struct ior_aiori * backend, void * backend_options);
 void DumpBuffer(void *, size_t);
 void SeedRandGen(MPI_Comm);
 void SetHints (MPI_Info *, char *);