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=-11.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 DADC4C43460 for ; Fri, 21 May 2021 05:51:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B7A126101B for ; Fri, 21 May 2021 05:51:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234050AbhEUFxF (ORCPT ); Fri, 21 May 2021 01:53:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232090AbhEUFxF (ORCPT ); Fri, 21 May 2021 01:53:05 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5FA8C061574; Thu, 20 May 2021 22:51:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=1uf84BS8Q7NSBXg1yQR5EC+qaCg2ZgLYmuXoDkaPjCQ=; b=yVac5N8yUOzpUTxL5O1tvL86te m3UAUEPJY/af59veHnMPwBOnJ7BRLcZrKIKt8Dh7YPbjkftLfLGTS4VhKOyyyjq3VjpC44ktitdB9 IGcelhE3Oa213g7yVLse3bazcfqBPE0AjzvZkAoIGc9XTXbidpJpsbluOmOOc3JrOP6KXc8MYblK4 oHQQgY+u4rceYmhcSMGEEbuC03JwZPicLhzcbKv5cdyhrdklHJY1gLYGuEEO6TAkLoGvvppviy5Hp K3tkB8PLSkhH6CJEnd2fuR+rb3FAaFtYutga3kk4PwncNu4+e+dofRaE7iKfkJNVvZr+BYooXFvLx bVfJReyA==; Received: from [2001:4bb8:180:5add:4fd7:4137:d2f2:46e6] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1ljy3s-00Gpw6-Eq; Fri, 21 May 2021 05:51:04 +0000 From: Christoph Hellwig To: Jens Axboe , Geert Uytterhoeven , Chris Zankel , Max Filippov , Philipp Reisner , Lars Ellenberg , Jim Paris , Joshua Morris , Philip Kelleher , Minchan Kim , Nitin Gupta , Matias Bjorling , Coly Li , Mike Snitzer , Song Liu , Maxim Levitsky , Alex Dubov , Ulf Hansson , Dan Williams , Vishal Verma , Dave Jiang , Heiko Carstens , Vasily Gorbik , Christian Borntraeger Cc: linux-block@vger.kernel.org, dm-devel@redhat.com, linux-m68k@lists.linux-m68k.org, linux-xtensa@linux-xtensa.org, drbd-dev@lists.linbit.com, linuxppc-dev@lists.ozlabs.org (open list:PS3 PLATFORM SUPPORT), linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org Subject: simplify gendisk and request_queue allocation for bio based drivers Date: Fri, 21 May 2021 07:50:35 +0200 Message-Id: <20210521055102.1053529-1-hch@lst.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org Hi all, this series is the first part of cleaning up lifetimes and allocation of the gendisk and request_queue structure. It adds a new interface to allocate the disk and queue together for bio based drivers, and a helper for cleanup/free them when a driver is unloaded or a device is removed. Together this removes the need to treat the gendisk and request_queue as separate entities for bio based drivers. Diffstat: arch/m68k/emu/nfblock.c | 20 +--- arch/xtensa/platforms/iss/simdisk.c | 29 +------ block/blk-core.c | 1 block/blk.h | 6 - block/genhd.c | 149 +++++++++++++++++++----------------- block/partitions/core.c | 19 ++-- drivers/block/brd.c | 94 +++++++--------------- drivers/block/drbd/drbd_main.c | 23 +---- drivers/block/n64cart.c | 8 - drivers/block/null_blk/main.c | 38 ++++----- drivers/block/pktcdvd.c | 11 -- drivers/block/ps3vram.c | 31 +------ drivers/block/rsxx/dev.c | 39 +++------ drivers/block/rsxx/rsxx_priv.h | 1 drivers/block/zram/zram_drv.c | 19 ---- drivers/lightnvm/core.c | 24 +---- drivers/md/bcache/super.c | 15 --- drivers/md/dm.c | 16 +-- drivers/md/md.c | 25 ++---- drivers/memstick/core/ms_block.c | 1 drivers/nvdimm/blk.c | 27 +----- drivers/nvdimm/btt.c | 25 +----- drivers/nvdimm/btt.h | 2 drivers/nvdimm/pmem.c | 17 +--- drivers/nvme/host/core.c | 1 drivers/nvme/host/multipath.c | 46 +++-------- drivers/s390/block/dcssblk.c | 26 +----- drivers/s390/block/xpram.c | 26 ++---- include/linux/blkdev.h | 1 include/linux/genhd.h | 23 +++++ 30 files changed, 297 insertions(+), 466 deletions(-)