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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 D5B3FC76186 for ; Wed, 24 Jul 2019 19:37:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8EE6229F3 for ; Wed, 24 Jul 2019 19:37:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563997075; bh=syFbf0UgcCFnGH1X+UvaiG84VD7cB2/7T3UzsCLEOIw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FC9m4Bq79rnz9TptLi/4HauDMPHnVDCoVyVWXplCUBWn8u+ByB9JSQ0bgAnfbvlIF guanBviFt5+P2aIJyqzLxbMItqAYwnxDXZOO1s0OwZ937yB2QVbM8C3kkeQt0q6wiH x2wylp9Bny0nHiFqtFfqyNiMa6/fIQ6voPS3f7lA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389538AbfGXThy (ORCPT ); Wed, 24 Jul 2019 15:37:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:38232 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389527AbfGXThw (ORCPT ); Wed, 24 Jul 2019 15:37:52 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DD6DE20665; Wed, 24 Jul 2019 19:37:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563997071; bh=syFbf0UgcCFnGH1X+UvaiG84VD7cB2/7T3UzsCLEOIw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OPpN9RyR/z/MOqZjHAiSyrFL3kitDk5IOZUbUcenNz1kfNZy0FruGa7H4iSBNyPcu rrQJ89OReTALHRAb2n/8fBZgio2XmSwO0yDlZ1+kTXx7gwvRFBdPLALsfuuUeKOh4Q 1qJC7fvcAIAzjLIi+u6f3/nT2ck6B/AfKGT1OPx8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michal Soltys , Xiao Ni , Song Liu , Jens Axboe Subject: [PATCH 5.2 312/413] raid5-cache: Need to do start() part job after adding journal device Date: Wed, 24 Jul 2019 21:20:03 +0200 Message-Id: <20190724191758.103472484@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190724191735.096702571@linuxfoundation.org> References: <20190724191735.096702571@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Xiao Ni commit d9771f5ec46c282d518b453c793635dbdc3a2a94 upstream. commit d5d885fd514f ("md: introduce new personality funciton start()") splits the init job to two parts. The first part run() does the jobs that do not require the md threads. The second part start() does the jobs that require the md threads. Now it just does run() in adding new journal device. It needs to do the second part start() too. Fixes: d5d885fd514f ("md: introduce new personality funciton start()") Cc: stable@vger.kernel.org #v4.9+ Reported-by: Michal Soltys Signed-off-by: Xiao Ni Signed-off-by: Song Liu Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- drivers/md/raid5.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7672,7 +7672,7 @@ abort: static int raid5_add_disk(struct mddev *mddev, struct md_rdev *rdev) { struct r5conf *conf = mddev->private; - int err = -EEXIST; + int ret, err = -EEXIST; int disk; struct disk_info *p; int first = 0; @@ -7687,7 +7687,14 @@ static int raid5_add_disk(struct mddev * * The array is in readonly mode if journal is missing, so no * write requests running. We should be safe */ - log_init(conf, rdev, false); + ret = log_init(conf, rdev, false); + if (ret) + return ret; + + ret = r5l_start(conf->log); + if (ret) + return ret; + return 0; } if (mddev->recovery_disabled == conf->recovery_disabled)