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| From: | Liu Yuan |
| Subject: | Re: [Qemu-devel] [PATCH] sheepdog: implement direct write semantics |
| Date: | Tue, 08 Jan 2013 21:23:12 +0800 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 |
On 01/08/2013 09:18 PM, Liu Yuan wrote: > So the result is *not* broken. If we set cache=writethrough for > sheepdog, then WCE won't take any effect because 'flush' request will be > ignored by Sheepdog driver. The merit of this 'writethrough' is that, write request will never be interpreted as two requests: write + flush in Sheepdog driver. Thanks, Yuan
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