From patchwork Tue Feb 21 17:09:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 9585179 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 58AC160578 for ; Tue, 21 Feb 2017 17:10:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 457892851A for ; Tue, 21 Feb 2017 17:10:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3A21128619; Tue, 21 Feb 2017 17:10:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F30612861F for ; Tue, 21 Feb 2017 17:10:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753973AbdBURK2 (ORCPT ); Tue, 21 Feb 2017 12:10:28 -0500 Received: from mx2.suse.de ([195.135.220.15]:56196 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753972AbdBURKU (ORCPT ); Tue, 21 Feb 2017 12:10:20 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id ED3ABAD62; Tue, 21 Feb 2017 17:10:17 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 53F121E10CB; Tue, 21 Feb 2017 18:10:16 +0100 (CET) From: Jan Kara To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Dan Williams , Thiago Jung Bauermann , Lekshmi Pillai , Tejun Heo , NeilBrown , Omar Sandoval , Jan Kara Subject: [PATCH 02/13] block: Unhash also block device inode for the whole device Date: Tue, 21 Feb 2017 18:09:47 +0100 Message-Id: <20170221170958.21845-3-jack@suse.cz> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170221170958.21845-1-jack@suse.cz> References: <20170221170958.21845-1-jack@suse.cz> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Iteration over partitions in del_gendisk() omits part0. Add bdev_unhash_inode() call for the whole device. Otherwise if the device number gets reused, bdev inode will be still associated with the old (stale) bdi. Tested-by: Lekshmi Pillai Acked-by: Tejun Heo Signed-off-by: Jan Kara --- block/genhd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/genhd.c b/block/genhd.c index 6cb9f3a34a92..f6c4d4400759 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -655,6 +655,7 @@ void del_gendisk(struct gendisk *disk) disk_part_iter_exit(&piter); invalidate_partition(disk, 0); + bdev_unhash_inode(disk_devt(disk)); set_capacity(disk, 0); disk->flags &= ~GENHD_FL_UP;