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[209.132.180.67]) by mx.google.com with ESMTP id e7-v6si16938341plk.397.2018.07.02.14.08.13; Mon, 02 Jul 2018 14:08:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@gmail.com header.s=20161025 header.b=IrilUagc; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753470AbeGBVG6 (ORCPT + 99 others); Mon, 2 Jul 2018 17:06:58 -0400 Received: from mail-yb0-f196.google.com ([209.85.213.196]:45293 "EHLO mail-yb0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753087AbeGBVGv (ORCPT ); Mon, 2 Jul 2018 17:06:51 -0400 Received: by mail-yb0-f196.google.com with SMTP id h127-v6so5602600ybg.12; Mon, 02 Jul 2018 14:06:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=kbCihH3cjJajTFlKG9m6dzlHxXoCyQHSjgqbA4/c6xs=; b=IrilUagcnIE9D1lIuCMdg9QF/3KcTYTzSfqJm2MV7LwlKzD83KFZ8vx2r68ZUNAfk2 jTL6xSJmzQ/yPmNwefp8gSWDvJmnx5lgklWsPiPZVkKTeGdjdO/pmkeQ6jUxVZTpDIQW cM1ca37IeGjie3goGBhOZL1xUSVY5/Wv5w+n8fBrPM9BYbGitAL6K14ix1r9BEgxIygX ePzoyPLHJX1Z6uRl9C+vW3pPztFN34y0AvFbqCLo3fruXo4GoKS+M/xKDzTT5bizlzct q+BWUYxc7NqGkSyAuSAvoWSpd/3ccO9oHdpc1tH9SDOtBYdG662YqR/J+gwPQvnYAUYD 5s+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=kbCihH3cjJajTFlKG9m6dzlHxXoCyQHSjgqbA4/c6xs=; b=Z8NsMJd96swmEfB2mqokD8Cpa9qTqCqVmPcOB4jxI6YMyBS8O/WLfXDjn6e8UskIy1 dZfBq4656g2JLA3gSD/rgPfaLqAFZ0acZP1pe0daB1MqOnGKr5infEQdMiJmtp6/Tlle IUbLrOB/xIfGiAlFdu7y8aINUqNnX7RaJ3mruzTpIiLFIcCts25TQAT+WlBr7vyIF/aB LzoYZjWa2uRgGjaj2QMRZtO5NU/kNPBvUaqFt0Eq9kthmzQ22XyKnHMi5v9cOkJcfkFu Dzcw3iDSST1dK3Y8Yq1NNJ1YLv65p3gLtS3/LCXDD6n0XnLYwYfPRCjoq2XwCRh4Zoc2 YeDA== X-Gm-Message-State: APt69E3OTIGjDmAfMb6axWcG2P7YIqrWaxh+ir8lSM0ky4qfOL+jl4oD 30eshGF9vvGgaOLpQrEwYEk= X-Received: by 2002:a25:4210:: with SMTP id p16-v6mr13610192yba.294.1530565610420; Mon, 02 Jul 2018 14:06:50 -0700 (PDT) Received: from localhost ([2620:10d:c091:200::2b6f]) by smtp.gmail.com with ESMTPSA id z187-v6sm5187241ywf.57.2018.07.02.14.06.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 02 Jul 2018 14:06:49 -0700 (PDT) Date: Mon, 2 Jul 2018 14:06:48 -0700 From: Tejun Heo To: Josef Bacik Cc: axboe@kernel.dk, kernel-team@fb.com, linux-block@vger.kernel.org, akpm@linux-foundation.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Josef Bacik Subject: Re: [PATCH 03/14] blk-cgroup: allow controllers to output their own stats Message-ID: <20180702210648.GM533219@devbig577.frc2.facebook.com> References: <20180629192542.26649-1-josef@toxicpanda.com> <20180629192542.26649-4-josef@toxicpanda.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180629192542.26649-4-josef@toxicpanda.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 29, 2018 at 03:25:31PM -0400, Josef Bacik wrote: > From: Josef Bacik > > blk-iolatency has a few stats that it would like to print out, and > instead of adding a bunch of crap to the generic code just provide a > helper so that controllers can add stuff to the stat line if they want > to. > > Hide it behind a boot option since it changes the output of io.stat from > normal, and these stats are only interesting to developers. > > Signed-off-by: Josef Bacik Acked-by: Tejun Heo Thanks. -- tejun