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    Subject[PATCH 0/6] blk-mq: initialize pdu of flush req explicitly
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    Hi,

    This patchset introduces init_flush_rq and its pair callback to
    initialize pdu of flush request explicitly, instead of using
    copying from request which is inefficient and buggy, and implements
    them in virtio-blk and scsi-lib.

    block/blk-flush.c | 22 +++++++++++++++++++++-
    block/blk-mq.c | 23 ++++++++---------------
    block/blk-mq.h | 3 ++-
    drivers/block/virtio_blk.c | 15 ++++++++++++++-
    drivers/scsi/scsi_lib.c | 32 +++++++++++++++++++++++++++-----
    include/linux/blk-mq.h | 9 +++++++++
    6 files changed, 81 insertions(+), 23 deletions(-)

    Thanks,
    --
    Ming Lei



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