From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1092440-1521803862-2-1839234473015885078 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1521803862; b=PO6Dm/khs+MR1LbPlKdlApL9WPhYMHEx3YNE+0Uju+PzhsJ L4lp8XDpa2x7gnLXaLQqyYxe1FSrE1/ZKyasaSgaeoqVkftQ4dVf4FM6oTnRROzD 5/dSNuoFl6PlZe3a93HjVIukwPV9aYdR37XRSAgKD9cmdjGauJYYWosifWiAl7R3 6QrAagBGDxn2ScI+XMshmBQ0H/VHpoCgUNNrTc8D1qQg+Ih90XiVFGh3bbY0jjXq k/DfWiTzIJ9oSO9SeIPNuw0DtMxgdkq6byrwJgX9W0dZI3TQgetTm0B/XNcPrM1o nVKt1S8ieAkgvbrI5nS/nKth79R3YeF4vFwoFzQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1521803862; bh=9Jkjdf8FJBTbTIvLxaW5UQgKSd viFKHmmpmG5DjcMkM=; b=IZhaMYfhOhgiAQBDwKnYa31y0ORPnZ7SAUSSqLDJXg mPk0CM6wljIvHMYIQAD/7w06Yiec0ctt5+K9kYCwJwgJ27NglxjrKrI5LeDH+Foz 2v5uX8xufRHigDNpOYK1f7JGNqMpLbohOxYpgK3RCjv2gQPQuXawyupW+KoTU7CA HbamQGfRYSewzKkF+iAkd8hEcC+zrVGe1BhjiLTZ9ECjI8ydbnx1o/e3ZkrgDlgG Ivh9Yjra5DMrNIWm1xVvazgLGk+vw+nng6QNX6JKkPTxZPu0U5DvUyMjqUmKh41a F4Ws/xtFpxKx6oHTt3CZcCFXY2ySaDbC2DsATAiYD1Ng== ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755767AbeCWKJZ (ORCPT ); Fri, 23 Mar 2018 06:09:25 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:42090 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755763AbeCWKJX (ORCPT ); Fri, 23 Mar 2018 06:09:23 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guoqing Jiang , NeilBrown , Shaohua Li , Sasha Levin Subject: [PATCH 4.9 116/177] md/raid10: skip spare disk as first disk Date: Fri, 23 Mar 2018 10:54:04 +0100 Message-Id: <20180323094210.377226478@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180323094205.090519271@linuxfoundation.org> References: <20180323094205.090519271@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Shaohua Li [ Upstream commit b506335e5d2b4ec687dde392a3bdbf7601778f1d ] Commit 6f287ca(md/raid10: reset the 'first' at the end of loop) ignores a case in reshape, the first rdev could be a spare disk, which shouldn't be accounted as the first disk since it doesn't include the offset info. Fix: 6f287ca(md/raid10: reset the 'first' at the end of loop) Cc: Guoqing Jiang Cc: NeilBrown Signed-off-by: Shaohua Li Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/md/raid10.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -4089,6 +4089,7 @@ static int raid10_start_reshape(struct m diff = 0; if (first || diff < min_offset_diff) min_offset_diff = diff; + first = 0; } }