stored: remove FlushDevice() from backends

remove the unused FlushDevice() function from the backend interface and
all interfaces.

6 files changed, 2 insertions, 9 deletions

diff --git a/core/src/stored/backends/droplet_device.cc b/core/src/stored/backends/droplet_device.cc
index 6bf1923a0..68d4e0182 100644
--- a/core/src/stored/backends/droplet_device.cc
+++ b/core/src/stored/backends/droplet_device.cc
@@ -1040,7 +1040,6 @@ class Backend : public BackendInterface {
         return nullptr;
     }
   }
-  void FlushDevice(void) override {}
 };
 
 #ifdef HAVE_DYNAMIC_SD_BACKENDS
diff --git a/core/src/stored/backends/gfapi_device.cc b/core/src/stored/backends/gfapi_device.cc
index b2a74a1b7..214754074 100644
--- a/core/src/stored/backends/gfapi_device.cc
+++ b/core/src/stored/backends/gfapi_device.cc
@@ -588,7 +588,6 @@ class Backend : public BackendInterface {
         return nullptr;
     }
   }
-  void FlushDevice(void) override {}
 };
 
 #  ifdef HAVE_DYNAMIC_SD_BACKENDS
diff --git a/core/src/stored/backends/unix_fifo_device.cc b/core/src/stored/backends/unix_fifo_device.cc
index 60e8a7ef3..c2927d429 100644
--- a/core/src/stored/backends/unix_fifo_device.cc
+++ b/core/src/stored/backends/unix_fifo_device.cc
@@ -328,7 +328,6 @@ class Backend : public BackendInterface {
         return nullptr;
     }
   }
-  void FlushDevice(void) override {}
 };
 
 #ifdef HAVE_DYNAMIC_SD_BACKENDS
diff --git a/core/src/stored/backends/unix_tape_device.cc b/core/src/stored/backends/unix_tape_device.cc
index 042443470..e0cfb8844 100644
--- a/core/src/stored/backends/unix_tape_device.cc
+++ b/core/src/stored/backends/unix_tape_device.cc
@@ -3,7 +3,7 @@
 
    Copyright (C) 2000-2012 Free Software Foundation Europe e.V.
    Copyright (C) 2013-2013 Planets Communications B.V.
-   Copyright (C) 2013-2020 Bareos GmbH & Co. KG
+   Copyright (C) 2013-2022 Bareos GmbH & Co. KG
 
    This program is Free Software; you can redistribute it and/or
    modify it under the terms of version three of the GNU Affero General Public
@@ -72,7 +72,6 @@ class Backend : public BackendInterface {
         return nullptr;
     }
   }
-  void FlushDevice(void) override {}
 };
 
 #ifdef HAVE_DYNAMIC_SD_BACKENDS
diff --git a/core/src/stored/sd_backends.cc b/core/src/stored/sd_backends.cc
index 0c3916b25..8351804b1 100644
--- a/core/src/stored/sd_backends.cc
+++ b/core/src/stored/sd_backends.cc
@@ -61,7 +61,6 @@ struct BackendDeviceLibraryDescriptor {
 
   ~BackendDeviceLibraryDescriptor()
   {
-    FlushDevice();
     delete backend_interface;
     dlclose(dynamic_library_handle);
   }
@@ -90,7 +89,6 @@ struct BackendDeviceLibraryDescriptor {
   {
     return backend_interface->GetDevice(jcr, device_type);
   }
-  void FlushDevice() { backend_interface->FlushDevice(); }
 };
 
 const std::map<DeviceType, const char*> device_type_to_name_mapping
diff --git a/core/src/stored/sd_backends.h b/core/src/stored/sd_backends.h
index 9ba9840b1..b61ff4a7e 100644
--- a/core/src/stored/sd_backends.h
+++ b/core/src/stored/sd_backends.h
@@ -32,9 +32,8 @@ namespace storagedaemon {
 
 class BackendInterface {
  public:
-  virtual ~BackendInterface() {}
+  virtual ~BackendInterface() = default;
   virtual Device* GetDevice(JobControlRecord* jcr, DeviceType device_type) = 0;
-  virtual void FlushDevice(void) = 0;
 };