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Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format
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From: |
Alex Bligh |
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Subject: |
Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format |
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Date: |
Wed, 14 Aug 2013 13:03:48 +0100 |
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.
--
Alex Bligh
Re: [Qemu-devel] [PATCH] Introduce cache images for the QCOW2 format, Alex Bligh, 2013/08/13