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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BAC5C7EE23 for ; Tue, 23 May 2023 16:04:35 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id EFEFC900004; Tue, 23 May 2023 12:04:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EAF52900002; Tue, 23 May 2023 12:04:34 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D9E9C900004; Tue, 23 May 2023 12:04:34 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id C83DD900002 for ; Tue, 23 May 2023 12:04:34 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 7AAB08076C for ; Tue, 23 May 2023 16:04:34 +0000 (UTC) X-FDA: 80821992468.26.9958E77 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf23.hostedemail.com (Postfix) with ESMTP id D80051401E6 for ; Tue, 23 May 2023 16:02:47 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=none; dmarc=none; spf=none (imf23.hostedemail.com: domain of hch@lst.de has no SPF policy when checking 213.95.11.211) smtp.mailfrom=hch@lst.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1684857769; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Id1VKkE56aIEmPBnec0ekPBXZTL3cL113Co8IBTMxVE=; b=TbebY89sLE6bwC8GxYqGq4q+41VEoRJZBpNiVkuBeEId/iA3WEVo79YKsqDCDmPhkjA+x/ u4tc84CesOR+Yx+ds0jvEF60aS6lT18iWOOyQcGw29aIkZEsqHmVV1Iz2kUsUZB7wvtSNz W2tQe+C7R22+9xQb5Gkg2nmo7RgplCY= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=none; dmarc=none; spf=none (imf23.hostedemail.com: domain of hch@lst.de has no SPF policy when checking 213.95.11.211) smtp.mailfrom=hch@lst.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1684857769; a=rsa-sha256; cv=none; b=bTlvj0y9dijiwd1OdC0GCu4qs7V4fpAaUg0k6KVI7m3p9EFJuTFXMAtt44iiWs03QWDQ5u 3pjZ06nuDcoiO+ehjKOevZioWRAU94K6wKcdaGEpZOF8CUnEbCjFNmWZljGA+/t9yWGgpy yYdhNk5rDtkhW2KZDeScCXA3xUl+I+E= Received: by verein.lst.de (Postfix, from userid 2407) id C16D767373; Tue, 23 May 2023 18:02:44 +0200 (CEST) Date: Tue, 23 May 2023 18:02:44 +0200 From: Christoph Hellwig To: Matthew Wilcox Cc: "Darrick J. Wong" , Christoph Hellwig , Jens Axboe , Xiubo Li , Ilya Dryomov , Alexander Viro , Christian Brauner , Theodore Ts'o , Jaegeuk Kim , Chao Yu , Miklos Szeredi , Andreas Gruenbacher , Trond Myklebust , Anna Schumaker , Damien Le Moal , Andrew Morton , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, "open list:F2FS FILE SYSTEM" , cluster-devel@redhat.com, linux-xfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-mm@kvack.org, NeilBrown Subject: Re: [PATCH 08/13] iomap: assign current->backing_dev_info in iomap_file_buffered_write Message-ID: <20230523160244.GC15391@lst.de> References: <20230519093521.133226-1-hch@lst.de> <20230519093521.133226-9-hch@lst.de> <20230523010627.GD11598@frogsfrogsfrogs> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-Rspam-User: X-Stat-Signature: 8qzw1td5rfcxbik4egqrszpfn3x979b4 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: D80051401E6 X-HE-Tag: 1684857767-847448 X-HE-Meta: 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 XGCtGnbz I5ETXUDrp0TABUkJRzwgyUPS4U3Dm3+w/yUZMnsAP1VH99f7A4KDTch31SGB5X2A4JJVoRlbniMk/JWrOYyLSuZPQ3qf7ZcuGxASn 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 Tue, May 23, 2023 at 04:30:51AM +0100, Matthew Wilcox wrote: > AFAICT (the code went through some metamorphoses in the intervening > twenty years), the last use of it ended up in current_may_throttle(), > and it was removed in March 2022 by Neil Brown in commit b9b1335e6403. > Since then, there have been no users of task->backing_dev_info, and I'm > pretty sure it can go away. Oh, nice. I hadn't noticed it finally went away. The next iteration of the series will just remove it.