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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,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 2F5EFC63777 for ; Mon, 30 Nov 2020 07:32:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AAD252074A for ; Mon, 30 Nov 2020 07:31:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AAD252074A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D8CEB6B006E; Mon, 30 Nov 2020 02:31:58 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D3C0D6B0070; Mon, 30 Nov 2020 02:31:58 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C78E76B0071; Mon, 30 Nov 2020 02:31:58 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0069.hostedemail.com [216.40.44.69]) by kanga.kvack.org (Postfix) with ESMTP id AFC4C6B006E for ; Mon, 30 Nov 2020 02:31:58 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 752648249980 for ; Mon, 30 Nov 2020 07:31:58 +0000 (UTC) X-FDA: 77540265516.17.shoes73_5502de0273a0 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin17.hostedemail.com (Postfix) with ESMTP id 58A2F180D0184 for ; Mon, 30 Nov 2020 07:31:58 +0000 (UTC) X-HE-Tag: shoes73_5502de0273a0 X-Filterd-Recvd-Size: 3537 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Mon, 30 Nov 2020 07:31:57 +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 D91FAAC8F; Mon, 30 Nov 2020 07:31:56 +0000 (UTC) Subject: Re: [PATCH 24/45] block: remove i_bdev To: Christoph Hellwig , Jens Axboe Cc: 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 References: <20201128161510.347752-1-hch@lst.de> <20201128161510.347752-25-hch@lst.de> From: Hannes Reinecke Message-ID: <7ad63383-5f07-3fd2-d39b-b0db7905d094@suse.de> Date: Mon, 30 Nov 2020 08:31:53 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <20201128161510.347752-25-hch@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable 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 11/28/20 5:14 PM, Christoph Hellwig wrote: > Switch the block device lookup interfaces to directly work with a dev_t > so that struct block_device references are only acquired by the > blkdev_get variants (and the blk-cgroup special case). This means that > we now don't need an extra reference in the inode and can generally > simplify handling of struct block_device to keep the lookups contained > in the core block layer code. >=20 > Signed-off-by: Christoph Hellwig > Reviewed-by: Jan Kara > Acked-by: Tejun Heo > Acked-by: Coly Li [bcache] > --- > block/ioctl.c | 3 +- > drivers/block/loop.c | 8 +- > drivers/md/bcache/super.c | 20 +- > drivers/md/dm-table.c | 9 +- > drivers/mtd/mtdsuper.c | 17 +- > drivers/target/target_core_file.c | 6 +- > drivers/usb/gadget/function/storage_common.c | 8 +- > fs/block_dev.c | 196 +++++-------------= - > fs/btrfs/volumes.c | 13 +- > fs/inode.c | 3 - > fs/internal.h | 7 +- > fs/io_uring.c | 10 +- > fs/pipe.c | 5 +- > fs/quota/quota.c | 19 +- > fs/statfs.c | 2 +- > fs/super.c | 44 ++--- > include/linux/blkdev.h | 2 +- > include/linux/fs.h | 1 - > 18 files changed, 121 insertions(+), 252 deletions(-) >=20 Reviewed-by: Hannes Reinecke Cheers, Hannes --=20 Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 N=C3=BCrnberg HRB 36809 (AG N=C3=BCrnberg), Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6= rffer