Re: Dealing with strange disk devices

[Jason Thorpe <thorpej%me.com@localhost>]

> On Oct 28, 2019, at 12:03 PM, Michael van Elst <mlelstv%serpens.de@localhost> wrote:
> 
> So anything smaller as DEV_BSIZE will already fail at some other place,
> validating it in bounds_check_with_label might even be the best place
> for now, independent on wether it triggers a division by zero. Better
> places could exist when all drivers would use common code, there are
> still exceptions. Then you could validate the value once, and not
> for every disk access.

Note that some (all?  I forget...) HP-IB CS/80 drives use 256-byte sectors.  But I believe it emulates DEV_BSIZE sectors for the benefit of the rest of the system.

-- thorpej