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Re: [Qemu-devel] [Bug 1353545] Re: QED does not deliver flush on synchro


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [Bug 1353545] Re: QED does not deliver flush on synchronized write
Date: Fri, 8 Aug 2014 14:19:05 +0100
User-agent: Mutt/1.5.23 (2014-03-12)

On Wed, Aug 06, 2014 at 03:32:29PM -0000, Nybble wrote:
> ** Changed in: qemu
>        Status: New => Invalid

I guess you saw that bdrv_co_flush() calls bdrv_co_flush(bs->file).
This means that even block drivers that do not provide
->bdrv_co_flush_to_disk() will have fdatasync() called on their image
file.

Stefan

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