Force IDE flush on shutdown

[Alan Cox]

On Thu, May 06, 2004 at 10:21:33AM -0600, Dax Kelson wrote:
> I noticed that on FCT3 every time I rebooted, my ext3 journal was being
> replayed.
> 
> I guess this was the problem?

On some disks the result is more evil the log is written back so looks good
but other stuff like bitmap blocks are not. 

But yes thats probably the flush bug (update btw it seems that SATA also
has it)