Re: What's in libata-dev.git

[Sergei Shtylyov <sshtylyov@ru.mvista.com>]

Hello.

Jeff Garzik wrote:

> > > The following libata changes are queued for 2.6.19:
> > >
> > > General
> > > -------
> > > * Increase lba28 max sectors from 200 to 256
> >
> >
> > [...]
> >
> > > Jeff Garzik:
> >
> > [...]
> >
> > >       [ATA] Increase lba48 max-sectors from 200 to 256.

> >    So was it for LBA28 or for LBA48?
> >    As for LBA28, it might be quite dangerous. Particularly, I know 
> > that IBM drives used to mistreated 256 as 0 in the past (bumped into 
> > that on a 8-year old drive which is still alive though).

> That's a typo.  The first description ("lba28") is correct.

> Let me know if your IBM drive has problems with current 
> libata-dev.git#upstream...

   It's not likely I'll be able to try it. But I'm absolutely sure that drive 
aborted the read commands with the sector count of 0 (i.e. 256 actually). The 
exact model was IBM DHEA-34331.
   255 sectors actually seems more safe bet.

WBR, Sergei
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