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Re: [Qemu-devel] [PATCH 0/3] block: Avoid direct AIO callback
From: |
Luiz Capitulino |
Subject: |
Re: [Qemu-devel] [PATCH 0/3] block: Avoid direct AIO callback |
Date: |
Fri, 10 Jun 2011 12:32:43 -0300 |
On Tue, 7 Jun 2011 16:18:30 +0200
Kevin Wolf <address@hidden> wrote:
> This series fixes some cases of block drivers calling AIO callbacks too early.
> It fixes the IDE assertion failure reported by Luiz (in error cases, the DMA
> status, including acb, could first be reset in the callback and only then be
> set by the caller, resulting in a dangling acb and wrong status register
> value).
This fixes the reported bug, thanks.
I know this is a different subject, but I'm still unable to use the host cdrom
if the -snapshot flag is passed, I think the idea of ignoring the flag for a
read-only device would fix this, no?
>
> Kevin Wolf (3):
> qcow2: Avoid direct AIO callback
> qcow: Avoid direct AIO callback
> vdi: Avoid direct AIO callback
>
> block/qcow.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> block/qcow2.c | 39 +++++++++++++++++++++++++++++--------
> block/vdi.c | 40 +++++++++++++++++++++++++++++++++++---
> 3 files changed, 122 insertions(+), 15 deletions(-)
>