From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org ([198.137.202.133]:37898 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752061AbeGCT3O (ORCPT ); Tue, 3 Jul 2018 15:29:14 -0400 Subject: Re: [PATCH 11/14] rq-qos: introduce dio_bio callback To: Josef Bacik , axboe@kernel.dk, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, hannes@cmpxchg.org, tj@kernel.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, kernel-team@fb.com Cc: Josef Bacik References: <20180703151503.2549-1-josef@toxicpanda.com> <20180703151503.2549-12-josef@toxicpanda.com> From: Randy Dunlap Message-ID: Date: Tue, 3 Jul 2018 12:29:13 -0700 MIME-Version: 1.0 In-Reply-To: <20180703151503.2549-12-josef@toxicpanda.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 07/03/2018 08:15 AM, Josef Bacik wrote: > From: Josef Bacik > > wbt cares only about request completion time, but controllers may need Please spell out wt^Hbt. whatever it is. > information that is on the bio itself, so add a done_bio callback for > rq-qos so things like blk-iolatency can use it to have the bio when it > completes. > > Signed-off-by: Josef Bacik > --- > block/bio.c | 4 ++++ > block/blk-rq-qos.c | 10 ++++++++++ > block/blk-rq-qos.h | 2 ++ > 3 files changed, 16 insertions(+) -- ~Randy