Bill Sommerfeld wrote:

 > Of course, you then have to force the kernel to re-probe the disk; in
 > my case, I just rebooted the machine w/o a power cycle and it found
 > the new size on reboot (which solved my problem but won't really solve
 > yours).

It sounds like it might be easier to patch the kernel in the probe after
all.  I think I can get the idea by looking at the function that
services the ioctl in your program and the parameters that you passed.
I'll try it out soon and report back any successes.

Thanks for the help!

Mike.