ATA driver races with interrupts

[Daniel Eriksson]

Søren Schmidt wrote:

> OK, but that seriously hurts performance which I'd like to avoid if 
> possible. Could you try the attached patch and let me know how that 
> works out ? I does solve the problem here in a simulated 
> setup, but as we all know simulated is just that :)

I will try the patch next time I take the server offline, but that might
take a couple of days. If it is very important that I test it asap, please
let me know.

/Daniel Eriksson