Re: IDE todo list

Alan Cox
2003-03-23T13:59:28Z

On Sun, 2003-03-23 at 10:49, Jens Axboe wrote:
> On Sat, Mar 22 2003, Alan Cox wrote:
> > - Finish verifying 256 sector I/O or larger on LBA48
> > [How to handle change dynamically on hotplug ?]
>
> That is basically impossible. How are you going to handle the case where
> you have a queue full of 256 request writes, and the plugged in disk
> chokes on them? And insolvable unless you start setting aside requests
> simply for this purpose. Also breaks the pseudo atomic segments that a
> single request represents. This is just way beyond ugly...

I don't think its impossible at all. Remember if you hotplug a drive you
*dont* want the pending I/O to hit the new drive!

Alan