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Re: [Xen-devel] RFC/PATCH: hdparm tunable IDE write cache for HVM
| To: | "Rik van Riel" <riel@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] RFC/PATCH: hdparm tunable IDE write cache for HVM |
| From: | "Christian Limpach" <christian.limpach@xxxxxxxxx> |
| Date: | Mon, 21 Aug 2006 00:03:26 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Sun, 20 Aug 2006 16:03:50 -0700 |
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| Reply-to: | Christian.Limpach@xxxxxxxxxxxx |
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On 8/11/06, Rik van Riel <riel@xxxxxxxxxx> wrote: qemu 0.8.2 has a flush callback to the storage backends, so now it is possible to implement hdparm tunable IDE write cache enable/disable for guest domains, allowing people to pick speed or data consistency on a case by case basis. As an added benefit, really large LBA48 IOs will now no longer be broken up into smaller IOs on the host side. What do you think? Checked in. Please add a Signed-off-by line in the future. christian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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