Re: [PATCH 18/23] io-controller: blkio_cgroup patches from Ryo totrack async bios.

[Rik van Riel]

Vivek Goyal wrote:
> o blkio_cgroup patches from Ryo to track async bios.
>
> o This functionality is used to determine the group of async IO from page
>   instead of context of submitting task.
>
> Signed-off-by: Hirokazu Takahashi <taka@xxxxxxxxxxxxx>
> Signed-off-by: Ryo Tsuruta <ryov@xxxxxxxxxxxxx>
> Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx>

This seems to be the most complex part of the code so far,
but I see why this code is necessary.

Acked-by: Rik van Riel <riel@xxxxxxxxxx>

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