Index: twisted/protocols/ftp.py
===================================================================
--- twisted/protocols/ftp.py	(revision 24958)
+++ twisted/protocols/ftp.py	(working copy)
@@ -1049,7 +1049,6 @@
                 cons = ASCIIConsumerWrapper(cons)
 
             d = self.dtpInstance.registerConsumer(cons)
-            d.addCallbacks(cbSent, ebSent)
 
             # Tell them what to doooo
             if self.dtpInstance.isConnected:
@@ -1062,6 +1061,8 @@
         def cbOpened(file):
             d = file.receive()
             d.addCallback(cbConsumer)
+            d.addCallback(lambda ignored: file.close())
+            d.addCallbacks(cbSent, ebSent)
             return d
 
         def ebOpened(err):
@@ -1434,7 +1435,14 @@
         @rtype: C{Deferred} of C{IConsumer}
         """
 
+    def close():
+        """
+        Perform any post-write work that needs to be done. This method may
+        only be invoked once on each provider, and will always be invoked
+        after receive().
 
+        @rtype: C{Deferred} of anything: the value is ignored
+        """
 
 def _getgroups(uid):
     """Return the primary and supplementary groups for the given UID.
@@ -1795,6 +1803,8 @@
         # FileConsumer will close the file object
         return defer.succeed(FileConsumer(self.fObj))
 
+    def close(self):
+        return defer.succeed(None)
 
 
 class FTPRealm:
Index: twisted/vfs/adapters/ftp.py
===================================================================
--- twisted/vfs/adapters/ftp.py	(revision 24958)
+++ twisted/vfs/adapters/ftp.py	(working copy)
@@ -295,6 +295,11 @@
         """
         return defer.succeed(IConsumer(self.node))
 
+    def close(self):
+        """
+        Perform post-write actions.
+        """
+        return defer.succeed(None)
 
 
 class _FileToConsumerAdapter(object):