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Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format |
Date: |
Thu, 15 Aug 2013 08:53:51 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, 08/14 13:03, Alex Bligh wrote:
>
> On 14 Aug 2013, at 12:52, Fam Zheng wrote:
>
> > Yes, this one sounds good to have. VMDK and VHDX have this kind of
> > backing file status validation.
>
> ... though I'd prefer something safer than looking at mtime, for
> instance a sequence number that is incremented prior to any
> bdrv_close if a write has been done since bdrv_open.
>
It should be incremented prior to any write for each r/w open, in case
program crashes after write but before close.
Fam
Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format, Alex Bligh, 2013/08/13
- Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format, Kaveh Razavi, 2013/08/14
- Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format, Alex Bligh, 2013/08/14
- Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format, Kaveh Razavi, 2013/08/14
- Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format, Alex Bligh, 2013/08/14
- Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format, Kaveh Razavi, 2013/08/14
- Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format, Alex Bligh, 2013/08/14