linux-kernel - Re: [PATCH] virtio_blk: add block topology support

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Message-Id: <201002011140.05761.rusty@rustcorp.com.au>
Date:	Mon, 1 Feb 2010 11:40:05 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Christoph Hellwig <hch@....de>
Cc:	Christian Borntraeger <borntraeger@...ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] virtio_blk: add block topology support

On Sun, 31 Jan 2010 06:49:10 am Christoph Hellwig wrote:
> On Sat, Jan 30, 2010 at 03:29:49PM +1030, Rusty Russell wrote:
> > I bow to your expertise on that.  My only query is the __u16 for min_io_size; is that likely to restrict us?
> 
> Looks like you caught me there - I wrote the above odd format about the
> physical_block exponent, but scsi actually does the min_io and opt_io
> size in logical blocks, too.  With that in account the u16 as in scsi
> is perfectly fine.

Thanks, applied.

Rusty.
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