From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yb0-f197.google.com (mail-yb0-f197.google.com [209.85.213.197]) by kanga.kvack.org (Postfix) with ESMTP id 14C726B0008 for ; Wed, 30 May 2018 12:44:25 -0400 (EDT) Received: by mail-yb0-f197.google.com with SMTP id m20-v6so12166752ybm.7 for ; Wed, 30 May 2018 09:44:25 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id o12-v6sor559783ywj.299.2018.05.30.09.44.24 for (Google Transport Security); Wed, 30 May 2018 09:44:24 -0700 (PDT) Date: Wed, 30 May 2018 09:44:21 -0700 From: Tejun Heo Subject: Re: [PATCH 13/13] Documentation: add a doc for blk-iolatency Message-ID: <20180530164421.GQ1351649@devbig577.frc2.facebook.com> References: <20180529211724.4531-1-josef@toxicpanda.com> <20180529211724.4531-14-josef@toxicpanda.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180529211724.4531-14-josef@toxicpanda.com> Sender: owner-linux-mm@kvack.org List-ID: To: Josef Bacik Cc: axboe@kernel.dk, kernel-team@fb.com, linux-block@vger.kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Josef Bacik Hello, On Tue, May 29, 2018 at 05:17:24PM -0400, Josef Bacik wrote: > diff --git a/Documentation/blk-iolatency.txt b/Documentation/blk-iolatency.txt > new file mode 100644 > index 000000000000..9dd86f4f64b6 > --- /dev/null > +++ b/Documentation/blk-iolatency.txt Can you make it a part of Documentation/cgroup-v2.txt? > +Interface > +========= > + > +- io.latency. This takes a similar format as the other controllers > + > + "MAJOR:MINOR target= > +HOWTO > +===== > + > +The limits are only applied at the peer level in the heirarchy. This means that ^hierarchy Thanks. -- tejun