Re: changes caused by 0d11e6ac("blk-mq: fix use-after-free of request")

[Matias Bjørling]

On 12/18/2013 09:50 AM, Yuanhan Liu wrote:
> Hi,
>
> FYI, we noticed some changes caused by 0d11e6ac("blk-mq: fix use-after-free of request"):

The blk-mq accounting was faulty up to that commit. We should compare 
the blk-mq with the previous block layer.

Could you try to revert the following patches:

f02b9ac virtio-blk: virtqueue_kick() must be ordered with other...
1cf7e9c virtio_blk: blk-mq support

and compare the two runs (upto 0d11e6ac applied, and the same, with the 
two patches reverted)

Thanks

<snip>
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