TODO hardlink performance optimizations

[Wayne Davison]

On Sun, Jan 04, 2004 at 05:30:03AM -0800, jw schultz wrote:
> I've just done the same.  It reduces the memory requirements
> of the hlink list to 1/18th.

FYI, it doesn't appear that you need to change the hlink_compare()
function to take "struct file_struct **" args instead of just "... *".
I just tried your patch with the function in its original form and the
two calls to it changed to not take the address of the args, and it
worked fine.

..wayne..