                A high number means higher throughput at the cost of lest interactivity for other tasks, a low number means the opposite.
  
                So, for example, a bandwidthPct of "50" will attempt to use "50%" of the available bandwidth. Note, this does not represent theroetical
-@@ -107,7 +102,7 @@ class BackgroundIOPriority(object):
+@@ -108,7 +103,7 @@ class BackgroundIOPriority(object):
                See #bandwidthPct for the other half of the story. The higher this number, the more "fair" your application will be against a constant
                rate of I/O by other applications, but the less able it may be to play fair when the external I/O is spiking.
  
 -              Also, consider that this is related to the #defaultChunkSize, as it is not a constant period of time. The default of "5" should be okay,
 +              Also, consider that this is related to the #chunkSize, as it is not a constant period of time. The default of "5" should be okay,
                but you may want to tune it if you use really large or really small chunk sizes.
-             
-             
-@@ -116,7 +111,6 @@ class BackgroundIOPriority(object):
+ 
+ 
+@@ -117,7 +112,6 @@ class BackgroundIOPriority(object):
  
  
          self.chainPollTime = chainPollTime

         '''
             __init__ - Create the BackgroundWriteProcess thread. You should probably use bgwrite or bgwrite_chunk instead of calling this directly.
 
@@ -179,6 +173,12 @@ class BackgroundWriteProcess(threading.Thread):
 
             @param ioPrio <int/BackgroundIOPriority> - If an integer (1-10), a predefined BackgroundIOPriority will be used. 1 is highest throughput, 10 is most interactivity. You can also pass in your own BackgroundIOPriority object if you want to define a custom profile.
 

-    def __init__(self, chainPollTime, defaultChunkSize, bandwidthPct, numChunksRateSmoothing=5):
+    def __init__(self, chainPollTime, bandwidthPct, numChunksRateSmoothing=5):
         '''
             __init__ - Create a BackgroundIOPriority.
 
@@ -90,12 +91,6 @@ class BackgroundIOPriority(object):
             @param chainPollTime - float > 0, When chaining, this is the sleep time between checking if prior is finished.
                 Too low and the polling takes up CPU time, too high and you'll lose a little time in between chained writes, while gaining interactivity elsewhere.
 
