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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no 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 B106BC433E1 for ; Thu, 2 Jul 2020 05:36:29 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 74FFF20724 for ; Thu, 2 Jul 2020 05:36:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="CiLGW4fQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 74FFF20724 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id F1F066B00DE; Thu, 2 Jul 2020 01:36:28 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id ECF2B6B00DF; Thu, 2 Jul 2020 01:36:28 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DE5406B00E0; Thu, 2 Jul 2020 01:36:28 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0199.hostedemail.com [216.40.44.199]) by kanga.kvack.org (Postfix) with ESMTP id C91C46B00DE for ; Thu, 2 Jul 2020 01:36:28 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 43425180AD804 for ; Thu, 2 Jul 2020 05:36:28 +0000 (UTC) X-FDA: 76992025656.18.park53_2d0b2ac26e86 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin18.hostedemail.com (Postfix) with ESMTP id 21264100EDBCC for ; Thu, 2 Jul 2020 05:36:28 +0000 (UTC) X-HE-Tag: park53_2d0b2ac26e86 X-Filterd-Recvd-Size: 2745 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf39.hostedemail.com (Postfix) with ESMTP for ; Thu, 2 Jul 2020 05:36:27 +0000 (UTC) Received: from mail-lj1-f174.google.com (mail-lj1-f174.google.com [209.85.208.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6CF0320836 for ; Thu, 2 Jul 2020 05:36:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593668186; bh=w80HNCQd43j8lsfGDknlfMWRCtxh8+ZfOTuzLjUb+Tg=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=CiLGW4fQE83/yPSoaLNjNXxWdQztSEnfSUvobWj5SL08wFtpj7ITwNpTCpr8fXJG6 v6LQ82S6Iopo0IEnBC03ZMkH1MPLHvkJL0OmNAg4PDKmTLqsnglMl5I7VLK6hBNzY0 Hln49f0USlhkO3bp1JcuqHNbQ5T9o97V4VbFqjxw= Received: by mail-lj1-f174.google.com with SMTP id s9so30065011ljm.11 for ; Wed, 01 Jul 2020 22:36:26 -0700 (PDT) X-Gm-Message-State: AOAM530Y2TqfS5VvdWLmHQgwM85lrjETgtbjCkBfxYllkmMeW5kiu5JZ cki9/FREAQ2N65jPnuvug90pKH2ya2+MjMK0nJs= X-Google-Smtp-Source: ABdhPJymqO+8A/ON6cgRlyAmaadzhb/A3ETkgEahkbFx3Wp1rU/jFwtY3MDkzrSEOGWene4L2hOwuUlW51s/XrqmVQI= X-Received: by 2002:a2e:7f06:: with SMTP id a6mr4621445ljd.446.1593668184748; Wed, 01 Jul 2020 22:36:24 -0700 (PDT) MIME-Version: 1.0 References: <20200701090622.3354860-1-hch@lst.de> <20200701090622.3354860-5-hch@lst.de> In-Reply-To: <20200701090622.3354860-5-hch@lst.de> From: Song Liu Date: Wed, 1 Jul 2020 22:36:13 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 4/4] writeback: remove bdi->congested_fn To: Christoph Hellwig Cc: Jens Axboe , Tejun Heo , dm-devel@redhat.com, cgroups@vger.kernel.org, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org, linux-raid , linux-btrfs@vger.kernel.org, Linux-MM , open list Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 21264100EDBCC X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 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 1, 2020 at 2:06 AM 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 For md bits: Acked-by: Song Liu