Re: [PATCH v2] blk-mq: Remove 'running from the wrong CPU' warning

From: Christoph Hellwig
Date: Mon Nov 30 2020 - 12:18:32 EST


On Mon, Nov 30, 2020 at 11:19:21AM +0100, Daniel Wagner wrote:
> It's guaranteed that no request is in flight when a hctx is going
> offline. This warning is only triggered when the wq's CPU is hot
> plugged and the blk-mq is not synced up yet.
>
> As this state is temporary and the request is still processed
> correctly, better remove the warning as this is the fast path.
>
> Suggested-by: Ming Lei <ming.lei@xxxxxxxxxx>
> Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>