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SubjectRe: [PATCH] virtio-blk: set QUEUE_ORDERED_DRAIN by default
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On Fri, 21 Aug 2009 06:26:16 am Christoph Hellwig wrote:
> Currently virtio-blk doesn't set any QUEUE_ORDERED_ flag by default, which
> means it does not allow filesystems to use barriers. But the typical use
> case for virtio-blk is to use a backed that uses synchronous I/O

Really? Does qemu open with O_SYNC?

I'm definitely no block expert, but this seems strange...
Rusty.


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