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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 D3171C6379D for ; Thu, 26 Nov 2020 17:45:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5CCD7207BC for ; Thu, 26 Nov 2020 17:45:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5CCD7207BC 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 739D36B005D; Thu, 26 Nov 2020 12:45:48 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6EBA66B0074; Thu, 26 Nov 2020 12:45:48 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 600896B0075; Thu, 26 Nov 2020 12:45:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0087.hostedemail.com [216.40.44.87]) by kanga.kvack.org (Postfix) with ESMTP id 4BD2E6B005D for ; Thu, 26 Nov 2020 12:45:48 -0500 (EST) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 130588249980 for ; Thu, 26 Nov 2020 17:45:48 +0000 (UTC) X-FDA: 77527297176.09.waves85_14145fe27381 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin09.hostedemail.com (Postfix) with ESMTP id EF658180AD804 for ; Thu, 26 Nov 2020 17:45:47 +0000 (UTC) X-HE-Tag: waves85_14145fe27381 X-Filterd-Recvd-Size: 2145 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf34.hostedemail.com (Postfix) with ESMTP for ; Thu, 26 Nov 2020 17:45:47 +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 51351AC2F; Thu, 26 Nov 2020 17:45:46 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 5A46E1E10D0; Thu, 26 Nov 2020 18:45:45 +0100 (CET) Date: Thu, 26 Nov 2020 18:45:45 +0100 From: Jan Kara To: Christoph Hellwig Cc: Jens Axboe , Tejun Heo , Josef Bacik , Coly Li , Mike Snitzer , Greg Kroah-Hartman , Jan Kara , Johannes Thumshirn , dm-devel@redhat.com, Jan Kara , linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Chao Yu Subject: Re: [PATCH 37/44] block: switch partition lookup to use struct block_device Message-ID: <20201126174545.GW422@quack2.suse.cz> References: <20201126130422.92945-1-hch@lst.de> <20201126130422.92945-38-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201126130422.92945-38-hch@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) 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 Thu 26-11-20 14:04:15, Christoph Hellwig wrote: > Use struct block_device to lookup partitions on a disk. This removes > all usage of struct hd_struct from the I/O path, and this allows removing > the percpu refcount in struct hd_struct. Well, you've already removed the percpu refcount... > Signed-off-by: Christoph Hellwig > Acked-by: Coly Li [bcache] > Acked-by: Chao Yu [f2fs] Other than that the patch looks good to me so feel free to add: Reviewed-by: Jan Kara Honza -- Jan Kara SUSE Labs, CR