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[Qemu-devel] Re: [RFC][PATCH 2/2] qcow2: Use bdrv_(p)write_sync for meta
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From: |
Stefan Hajnoczi |
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Subject: |
[Qemu-devel] Re: [RFC][PATCH 2/2] qcow2: Use bdrv_(p)write_sync for metadata writes |
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Date: |
Thu, 17 Jun 2010 15:19:37 +0100 |
On Thu, Jun 17, 2010 at 1:03 PM, Kevin Wolf <address@hidden> wrote:
> Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash.
Any performance numbers? This change is necessary for correctness but
I wonder what the performance impact is for users.
Stefan