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    SubjectRe: [PATCH 34/35] block: add QUEUE_FLAGs for flush and fua
    On Tue, Jan 05, 2016 at 02:53:37PM -0600, mchristi@redhat.com wrote:
    > From: Mike Christie <mchristi@redhat.com>
    >
    > The last patch added a REQ_OP_FLUSH for request_fn drivers
    > and the next patch renames REQ_FLUSH to REQ_PREFLUSH which
    > will be used by file systems and make_request_fn drivers.
    >
    > This leaves REQ_FLUSH/REQ_FUA defined for drivers to tell
    > the block layer if flush/fua is supported. The names are
    > confusing and I bet will will accidentally be used by
    > people to request flushes. To avoid that, this patch adds
    > QUEUE_FLAGs for flush and fua which drivers will use to
    > indicate what they support.
    >
    > Signed-off-by: Mike Christie <mchristi@redhat.com>

    Yes, this was rather confusing before. Looks great fix the fix for th
    kbuild complaint:

    Reviewed-by: Christoph Hellwig <hch@lst.de>

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