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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 B7E4FC433DF for ; Wed, 8 Jul 2020 13:23:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E3C320774 for ; Wed, 8 Jul 2020 13:23:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729305AbgGHNXc (ORCPT ); Wed, 8 Jul 2020 09:23:32 -0400 Received: from verein.lst.de ([213.95.11.211]:35346 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729251AbgGHNXb (ORCPT ); Wed, 8 Jul 2020 09:23:31 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id B2F6D68AFE; Wed, 8 Jul 2020 15:23:28 +0200 (CEST) Date: Wed, 8 Jul 2020 15:23:28 +0200 From: Christoph Hellwig To: Guoqing Jiang Cc: Christoph Hellwig , Jens Axboe , Song Liu , Ulf Hansson , linux-kernel@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-block@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 1/6] md: switch to ->check_events for media change notifications Message-ID: <20200708132328.GA21223@lst.de> References: <20200708122546.214579-1-hch@lst.de> <20200708122546.214579-2-hch@lst.de> <09cd4827-52ae-0e7c-c3d3-e9a6cd27ff2b@cloud.ionos.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <09cd4827-52ae-0e7c-c3d3-e9a6cd27ff2b@cloud.ionos.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org On Wed, Jul 08, 2020 at 03:17:31PM +0200, Guoqing Jiang wrote: > On 7/8/20 2:25 PM, Christoph Hellwig wrote: >> -static int md_media_changed(struct gendisk *disk) >> -{ >> - struct mddev *mddev = disk->private_data; >> - >> - return mddev->changed; >> -} > > Maybe we can remove "changed" from struct mddev since no one reads it > after the change. The new md_check_events method reads it.