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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] Using cache=writeback safely on qemu 1.4.0 and later |
| Date: | Wed, 27 Aug 2014 16:47:46 -0400 (EDT) |
> > Just the lack of fdatasyncs. > > I also did not see any fdatasyncs when using cache=none - would that also be > explained by this bug? Yes, cache=none and cache=writeback are the same as far as the _disk_ cache is concerned, and you need fdatasyncs to flush the disk cache too. Paolo
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