Re: [PATCH 04/13] blk: introduce REQ_SWAP

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On Tue, May 29, 2018 at 05:17:15PM -0400, Josef Bacik wrote:
> From: Josef Bacik <jbacik@xxxxxx>
> 
> Just like REQ_META, it's important to know the IO coming down is swap
> in order to guard against potential IO priority inversion issues with
> cgroups.  Add REQ_SWAP and use it for all swap IO, and add it to our
> bio_issue_as_root_blkg helper.
> 
> Signed-off-by: Josef Bacik <jbacik@xxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

-- 
tejun




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