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Re: [Xen-devel] Re: [Qemu-devel] [PATCH] qemu and qemu-xen: support empty write barriers in xen_disk
On Fri, Nov 26, 2010 at 12:03:35PM +0100, Kevin Wolf wrote:
> I don't think the synchronous flushes even do what they're supposed to
> do. Shouldn't ioreq->postsync do the flush after the request has
> completed instead of doing it as soon as it has been submitted?
Indeed, that's yet another bug in the implementation.
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