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 7504FC5519F for ; Mon, 30 Nov 2020 07:46:33 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id DBF3E20709 for ; Mon, 30 Nov 2020 07:46:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBF3E20709 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 5884A6B0036; Mon, 30 Nov 2020 02:46:32 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5602E6B005D; Mon, 30 Nov 2020 02:46:32 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 49CFF6B0068; Mon, 30 Nov 2020 02:46:32 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0062.hostedemail.com [216.40.44.62]) by kanga.kvack.org (Postfix) with ESMTP id 33D166B0036 for ; Mon, 30 Nov 2020 02:46:32 -0500 (EST) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id EF6121EE6 for ; Mon, 30 Nov 2020 07:46:31 +0000 (UTC) X-FDA: 77540302182.11.ice83_5a0ff9f273a0 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin11.hostedemail.com (Postfix) with ESMTP id C2E8F180F8B81 for ; Mon, 30 Nov 2020 07:46:31 +0000 (UTC) X-HE-Tag: ice83_5a0ff9f273a0 X-Filterd-Recvd-Size: 3202 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Mon, 30 Nov 2020 07:46:31 +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 5BC21AC55; Mon, 30 Nov 2020 07:46:30 +0000 (UTC) Subject: Re: [PATCH 37/45] block: allocate struct hd_struct as part of struct bdev_inode 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> <20201128161510.347752-38-hch@lst.de> From: Hannes Reinecke Message-ID: Date: Mon, 30 Nov 2020 08:46:28 +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: <20201128161510.347752-38-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 5:15 PM, Christoph Hellwig wrote: > Allocate hd_struct together with struct block_device to pre-load > the lifetime rule changes in preparation of merging the two structures. >=20 > Note that part0 was previously embedded into struct gendisk, but is > a separate allocation now, and already points to the block_device inste= ad > of the hd_struct. The lifetime of struct gendisk is still controlled b= y > the struct device embedded in the part0 hd_struct. >=20 > Signed-off-by: Christoph Hellwig > --- > block/blk-core.c | 16 ++++--- > block/blk-flush.c | 2 +- > block/blk-merge.c | 2 - > block/blk.h | 21 ---------- > block/genhd.c | 50 +++++++++------------- > block/partitions/core.c | 67 +++--------------------------= - > drivers/block/drbd/drbd_receiver.c | 2 +- > drivers/block/drbd/drbd_worker.c | 3 +- > drivers/block/zram/zram_drv.c | 2 +- > drivers/md/dm.c | 4 +- > drivers/md/md.c | 2 +- > fs/block_dev.c | 39 ++++++----------- > include/linux/blk_types.h | 2 +- > include/linux/genhd.h | 14 +++---- > include/linux/part_stat.h | 4 +- > 15 files changed, 61 insertions(+), 169 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