o rsize=size To set the size of the read buffer in kilobytes. -o wsize=size To set the size of the write buffer in kilobytes. ...

-o rsize=size               To set the size of the read buffer in kilobytes.
-o wsize=size               To set the size of the write buffer in kilobytes.
-o timeout=time             To set the timeout value in seconds for an RPC call.
-o retry=number             To set the number of retries for a soft mount.
-o mtype=soft|hard          To set the mount type.