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From: Jens Axboe <jens.axboe@oracle.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
	virtualization@lists.linux-foundation.org, kvm@vger.kernel.org
Subject: Re: [PATCH/RFC] virtio_blk: check for hardsector size from host
Date: Thu, 29 May 2008 10:13:57 +0200	[thread overview]
Message-ID: <20080529081357.GP25504@kernel.dk> (raw)
In-Reply-To: <20080529081255.GO25504@kernel.dk>

On Thu, May 29 2008, Jens Axboe wrote:
> On Thu, May 29 2008, Rusty Russell wrote:
> > On Tuesday 27 May 2008 19:04:59 Christian Borntraeger wrote:
> > > Rusty, Jens,
> > >
> > > I need your opinion on the following patch. It seems to work, but I would
> > > like to get some feedback if this patch is the right approach:
> > 
> > Looks like the right approach to me.  Don't know about the block side
> > of it...
> 
> Looks good to me, definitely an improvement for eg loop backed
> storage.
> 
> > Just that u64 seems like overkill: u32?
> 
> Definitely, u32 would be just fine, u64 is way overkill :-)

Even u16 would work, the block layer doesn't use more than an unsigned
short for storing hardware sector size anyway.

-- 
Jens Axboe


  reply	other threads:[~2008-05-29  8:13 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-27  9:04 [PATCH/RFC] virtio_blk: check for hardsector size from host Christian Borntraeger
2008-05-29  8:04 ` Rusty Russell
2008-05-29  8:11   ` Christian Borntraeger
2008-05-29  8:12   ` Jens Axboe
2008-05-29  8:13     ` Jens Axboe [this message]
2008-05-29  8:27       ` Christian Borntraeger
2008-05-29  8:30         ` Jens Axboe
2008-05-29  9:08           ` [PATCH] virtio_config: fix len calculation of config elements Christian Borntraeger
2008-05-30  3:18             ` Rusty Russell
2008-05-29  9:08           ` [PATCH v2] virtio_blk: check for hardsector size from host Christian Borntraeger
2008-05-30  3:41             ` Rusty Russell

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