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=-6.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no 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 56057C433E7 for ; Tue, 1 Sep 2020 16:01:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B1E32078B for ; Tue, 1 Sep 2020 16:01:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Fo1o7u6I" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726091AbgIAQB0 (ORCPT ); Tue, 1 Sep 2020 12:01:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731158AbgIAP6D (ORCPT ); Tue, 1 Sep 2020 11:58:03 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3A3DC061244; Tue, 1 Sep 2020 08:58:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=M79so1AwUwPIRouROFaNCg3KdKArTwMSMNd8wl3xC9I=; b=Fo1o7u6IVr6vurOMarEGQIw99y WHqyrdok/75XjmzAvs98wm2mZXYI8eGfVJCJLikO8fuOJu/9j6XvoFdlr1RTa038r8DDcHMqAU7lY mmSZLC/smn0SnolNwwxdyrpDJlJoZhG0K7MVmnl8ewTBrEYNYAPRaMnE4rjqCK7VlkM7JqAlUWyDU YkH9TJZ6yJEEibyeqV37+FBh0RkQQ6BwwzwRxyMvkU7/sD29/P1lImVmElLT8cbRAFklBxMxACP/P 9Ptq9IU2Xfcl9fIpw/yp4N3MdH0FKE600v4IAuPUo366M4kD36FMV0WaYWth1qfPOYnF35tgpEEiP sE6GqZdg==; Received: from [2001:4bb8:18c:45ba:2f95:e5:ca6b:9b4a] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD8fN-0004OS-MU; Tue, 01 Sep 2020 15:57:50 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Josef Bacik , Dan Williams , dm-devel@redhat.com, "Martin K. Petersen" , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, nbd@other.debian.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-nvdimm@lists.01.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: remove revalidate_disk() Date: Tue, 1 Sep 2020 17:57:39 +0200 Message-Id: <20200901155748.2884-1-hch@lst.de> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Jens, this series removes the revalidate_disk() function, which has been a really odd duck in the last years. The prime reason why most people use it is because it propagates a size change from the gendisk to the block_device structure. But it also calls into the rather ill defined ->revalidate_disk method which is rather useless for the callers. So this adds a new helper to just propagate the size, and cleans up all kinds of mess around this area. Follow on patches will eventuall kill of ->revalidate_disk entirely, but ther are a lot more patches needed for that. Diffstat: Documentation/filesystems/locking.rst | 3 -- block/genhd.c | 9 ++---- drivers/block/nbd.c | 8 ++--- drivers/block/rbd.c | 2 - drivers/block/rnbd/rnbd-clt.c | 10 +------ drivers/block/virtio_blk.c | 2 - drivers/block/zram/zram_drv.c | 4 +- drivers/md/dm-raid.c | 2 - drivers/md/md-cluster.c | 6 ++-- drivers/md/md-linear.c | 2 - drivers/md/md.c | 10 +++---- drivers/md/md.h | 2 - drivers/nvdimm/blk.c | 3 -- drivers/nvdimm/btt.c | 3 -- drivers/nvdimm/bus.c | 9 ++---- drivers/nvdimm/nd.h | 2 - drivers/nvdimm/pmem.c | 3 -- drivers/nvme/host/core.c | 16 +++++++---- drivers/scsi/sd.c | 6 ++-- fs/block_dev.c | 46 ++++++++++++++++------------------ include/linux/blk_types.h | 4 ++ include/linux/genhd.h | 6 ++-- 22 files changed, 74 insertions(+), 84 deletions(-)