From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 35808C433E0 for ; Wed, 1 Jul 2020 14:48:27 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0D647206BE for ; Wed, 1 Jul 2020 14:48:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D647206BE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AC9686B00E1; Wed, 1 Jul 2020 10:48:26 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A9FA86B00E2; Wed, 1 Jul 2020 10:48:26 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9DDD56B00E3; Wed, 1 Jul 2020 10:48:26 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0104.hostedemail.com [216.40.44.104]) by kanga.kvack.org (Postfix) with ESMTP id 85B8D6B00E1 for ; Wed, 1 Jul 2020 10:48:26 -0400 (EDT) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 469CE1EE6 for ; Wed, 1 Jul 2020 14:48:26 +0000 (UTC) X-FDA: 76989787812.11.note88_4d1209526e81 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin11.hostedemail.com (Postfix) with ESMTP id 847AF180F8B82 for ; Wed, 1 Jul 2020 14:48:24 +0000 (UTC) X-HE-Tag: note88_4d1209526e81 X-Filterd-Recvd-Size: 3279 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf45.hostedemail.com (Postfix) with ESMTP for ; Wed, 1 Jul 2020 14:48:23 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 9FCFBAEC2; Wed, 1 Jul 2020 14:48:22 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id 88D47DA781; Wed, 1 Jul 2020 16:48:06 +0200 (CEST) Date: Wed, 1 Jul 2020 16:48:06 +0200 From: David Sterba To: Christoph Hellwig Cc: Jens Axboe , Tejun Heo , dm-devel@redhat.com, cgroups@vger.kernel.org, linux-block@vger.kernel.org, drbd-dev@tron.linbit.com, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/4] writeback: remove bdi->congested_fn Message-ID: <20200701144805.GC27795@twin.jikos.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, Christoph Hellwig , Jens Axboe , Tejun Heo , dm-devel@redhat.com, cgroups@vger.kernel.org, linux-block@vger.kernel.org, drbd-dev@tron.linbit.com, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20200701090622.3354860-1-hch@lst.de> <20200701090622.3354860-5-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200701090622.3354860-5-hch@lst.de> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) X-Rspamd-Queue-Id: 847AF180F8B82 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Jul 01, 2020 at 11:06:22AM +0200, Christoph Hellwig wrote: > Except for pktdvd, the only places setting congested bits are file > systems that allocate their own backing_dev_info structures. And > pktdvd is a deprecated driver that isn't useful in stack setup > either. So remove the dead congested_fn stacking infrastructure. > > Signed-off-by: Christoph Hellwig > --- > drivers/block/drbd/drbd_main.c | 59 -------------------------------- > drivers/md/bcache/request.c | 43 ----------------------- > drivers/md/bcache/super.c | 1 - > drivers/md/dm-cache-target.c | 19 ---------- > drivers/md/dm-clone-target.c | 15 -------- > drivers/md/dm-era-target.c | 15 -------- > drivers/md/dm-raid.c | 12 ------- > drivers/md/dm-table.c | 37 +------------------- > drivers/md/dm-thin.c | 16 --------- > drivers/md/dm.c | 33 ------------------ > drivers/md/dm.h | 1 - > drivers/md/md-linear.c | 24 ------------- > drivers/md/md-multipath.c | 23 ------------- > drivers/md/md.c | 23 ------------- > drivers/md/md.h | 4 --- > drivers/md/raid0.c | 16 --------- > drivers/md/raid1.c | 31 ----------------- > drivers/md/raid10.c | 26 -------------- > drivers/md/raid5.c | 25 -------------- For the btrfs bits > fs/btrfs/disk-io.c | 23 ------------- Acked-by: David Sterba