From: Jes Sorensen <Jes.Sorensen@redhat.com>
To: "David S. Ahern" <daahern@cisco.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [PATCH] Disable O_DIRECT for physical CDROM/DVD drives
Date: Tue, 20 Jul 2010 18:20:05 +0200 [thread overview]
Message-ID: <4C45CCB5.7050503@redhat.com> (raw)
In-Reply-To: <4C45CBF8.40400@cisco.com>
On 07/20/10 18:16, David S. Ahern wrote:
> What about setting the logical and physical block size properties? Is
> the intent of these to handle varying sizes amongst block devices?
>
> David
Well the problem is that we need to know the sector size of the host
device, and then start using that within QEMU for anything using
O_DIRECT. The way the QEMU code handles it right now is by hard coding
it, and cleaning that up could be a bit messy, but it should go on the
todo list.
Cheers,
Jes
next prev parent reply other threads:[~2010-07-20 16:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 15:17 [Qemu-devel] [PATCH] Disable O_DIRECT for physical CDROM/DVD drives Jes.Sorensen
2010-07-20 15:40 ` Kevin Wolf
2010-07-20 16:04 ` Jes Sorensen
2010-07-20 16:12 ` Kevin Wolf
2010-07-20 16:18 ` Jes Sorensen
2010-07-20 15:40 ` [Qemu-devel] " Anthony Liguori
2010-07-20 16:02 ` Jes Sorensen
2010-07-20 16:03 ` Anthony Liguori
2010-07-20 16:06 ` Jes Sorensen
2010-07-20 16:16 ` David S. Ahern
2010-07-20 16:20 ` Jes Sorensen [this message]
2010-07-20 16:09 ` Kevin Wolf
2010-07-20 16:12 ` Jes Sorensen
2010-07-20 16:45 ` [Qemu-devel] " Natalia Portillo
2010-07-20 16:48 ` Jes Sorensen
2010-07-20 17:57 ` Anthony Liguori
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