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SubjectRe: [PATCH 18/23] io-controller: blkio_cgroup patches from Ryo to track async bios.
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@valinux.co.jp>
> Signed-off-by: Ryo Tsuruta <ryov@valinux.co.jp>
> Signed-off-by: Vivek Goyal <vgoyal@redhat.com>

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@redhat.com>



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