[dm-devel] Re: [PATCH 10/23] io-controller: Debug hierarchical IO scheduling

[Rik van Riel]

Vivek Goyal wrote:
> o Littile debugging aid for hierarchical IO scheduling.
> 
> o Enabled under CONFIG_DEBUG_GROUP_IOSCHED
> 
> o Currently it outputs more debug messages in blktrace output which helps
>   a great deal in debugging in hierarchical setup. It also creates additional
>   cgroup interfaces io.disk_queue and io.disk_dequeue to output some more
>   debugging data.
> 
> Signed-off-by: Gui Jianfeng <guijianfeng at cn.fujitsu.com>
> Signed-off-by: Vivek Goyal <vgoyal at redhat.com>

Acked-by: Rik van Riel <riel at redhat.com>

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