diff --git a/qa/workunits/rbd/merge_diff.sh b/qa/workunits/rbd/merge_diff.sh
index abb8587385f..9f84d59302c 100755
--- a/qa/workunits/rbd/merge_diff.sh
+++ b/qa/workunits/rbd/merge_diff.sh
@@ -1,10 +1,9 @@
-#!/bin/bash
+#!/bin/bash -ex
 
 pool=rbd
 gen=$pool/gen
 out=$pool/out
-
-set -x
+testno=1
 
 mkdir -p merge_diff_test
 pushd merge_diff_test
@@ -16,27 +15,21 @@ function expect_false()
 
 function clear_all()
 {
-  umount mnt || true
-  while [ 1 ];
-  do
-    rbd snap purge $gen 2>/dev/null >/dev/null
-    rbd rm $gen 2>/dev/null >/dev/null
-    rbd snap purge $out 2>/dev/null >/dev/null
-    rbd rm $out 2>/dev/null >/dev/null
+  fusermount -u mnt || true
 
-    sleep 5
+  rbd snap purge --no-progress $gen || true
+  rbd rm --no-progress $gen || true
+  rbd snap purge --no-progress $out || true
+  rbd rm --no-progress $out || true
 
-    rbd info $gen 2>/dev/null >/dev/null && continue
-    rbd info $out 2>/dev/null >/dev/null && continue
-
-    break
-  done
-  rm -rf diffs
+  rm -rf diffs || true
 }
 
 function rebuild()
 {
   clear_all
+  echo Starting test $testno
+  ((testno++))
   rbd create $gen --size 100 --order $1 --stripe_unit $2 --stripe_count $3 --image-format $4
   rbd create $out --size 1 --order 19
   mkdir -p mnt diffs
@@ -55,7 +48,7 @@ function snap()
 
 function resize()
 {
-  rbd resize $gen --size $1 --allow-shrink
+  rbd resize --no-progress $gen --size $1 --allow-shrink
 }
 
 function export_diff()
@@ -66,9 +59,9 @@ function export_diff()
     target="$gen@$2"
   fi
   if [ $1 == "null" ]; then
-    rbd export-diff $target diffs/$1.$2
+    rbd export-diff --no-progress $target diffs/$1.$2
   else
-    rbd export-diff $target --from-snap $1 diffs/$1.$2
+    rbd export-diff --no-progress $target --from-snap $1 diffs/$1.$2
   fi
 }
 
@@ -79,7 +72,7 @@ function merge_diff()
 
 function check()
 {
-  rbd import-diff diffs/$1.$2 $out || return -1
+  rbd import-diff --no-progress diffs/$1.$2 $out || return -1
   if [ "$2" == "head" ]; then
     sum1=`rbd export $gen - | md5sum`
   else
@@ -472,4 +465,4 @@ clear_all
 popd
 rm -rf merge_diff_test
 
-exit 0
+echo OK
diff --git a/src/include/rados/librados.h b/src/include/rados/librados.h
index 67113dd3471..2898596da56 100644
--- a/src/include/rados/librados.h
+++ b/src/include/rados/librados.h
@@ -663,7 +663,7 @@ CEPH_RADOS_API rados_config_t rados_ioctx_cct(rados_ioctx_t io);
 /**
  * Get the cluster handle used by this rados_ioctx_t
  * Note that this is a weak reference, and should not
- * be destroyed via rados_destroy().
+ * be destroyed via rados_shutdown().
  *
  * @param io the io context
  * @returns the cluster handle for this io context
diff --git a/src/rbd_fuse/rbd-fuse.cc b/src/rbd_fuse/rbd-fuse.cc
index 56e01975c7a..1fbe2781bcf 100644
--- a/src/rbd_fuse/rbd-fuse.cc
+++ b/src/rbd_fuse/rbd-fuse.cc
@@ -502,6 +502,21 @@ rbdfs_init(struct fuse_conn_info *conn)
 	return NULL;
 }
 
+void
+rbdfs_destroy(void *unused)
+{
+	if (!gotrados)
+		return;
+	for (int i = 0; i < MAX_RBD_IMAGES; ++i) {
+		if (opentbl[i].image) {
+			rbd_close(opentbl[i].image);
+			opentbl[i].image = NULL;
+		}
+	}
+	rados_ioctx_destroy(ioctx);
+	rados_shutdown(cluster);
+}
+
 // return -errno on error.  fi->fh is not set until open time
 
 int
@@ -670,7 +685,7 @@ const static struct fuse_operations rbdfs_oper = {
   releasedir: rbdfs_releasedir,
   fsyncdir:   0,
   init:	      rbdfs_init,
-  destroy:    0,
+  destroy:    rbdfs_destroy,
   access:     0,
   create:     rbdfs_create,
   /* skip unimplemented */