Re: 64-bit block sizes on 32-bit systems
Manfred Spraul (firstname.lastname@example.org)
Mon, 26 Mar 2001 23:53:05 +0200
From: "LA Walsh" <email@example.com>
> Manfred Spraul wrote:
> > >4k page size * 2GB = 8TB.
> > Try it.
> > If your drive (array) is larger than 512byte*4G (4TB) linux will eat
> > your data.
> I have a block device that doesn't use 'sectors'. It
> only uses the logical block size (which is currently set for
> 1K). Seems I could up that to the max blocksize (4k?) and
> get 8TB...No?
> I don't use the generic block make request (have my
Which field do you access? bh->b_blocknr instead of bh->r_sector?
There were plans to split the buffer_head into 2 structures: buffer
cache data and the block io data.
b_blocknr is buffer cache only, no driver should access them.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to firstname.lastname@example.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/