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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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