title: Can i find out symbolic link of opened device, when process IRP_MJ_READ?
body: <p>I have driver, that construct and return some data on IRP_MJ_READ request.
  I use some symbolic link to open and read device, associated with driver.
  The symbolic link is something like <code>\\DosDevice\\Name1</code>.</p>
  
  <p>I want to use same device to get another data from same driver.</p>
  
  <p>How can driver determine, which type of data it would return?</p>
  
  <p>I think, if this is some way to use another symbolic link (for example: <code>\\DosDevice\\Name2</code>) to the same device for split requests for first type of data and requests for second type?
  Else if this another way, to pass some identifying information together with thre IRP_MJ_READ?</p>