From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx489mIWgrlUHamkS4R94hZ9X/XaRi92lU5R6X1ai5mTKkyvYE3GYRwz5qYWfsQioWMGEMPjI ARC-Seal: i=1; a=rsa-sha256; t=1523021356; cv=none; d=google.com; s=arc-20160816; b=L0/Dm+OySH2yU23H3Ogiqw0zEwwZ/NM9up7gKWbGlVU18Z9ND43K8QDtNEkzsKJSDR zZUhOjT/S0LHGmqefVIrafHAnHbHgrY4seDSGdLqPf4n93eHkhxGNpt1oifAeJritDcP JlHkEWz0qkSoR0AStY8KotJL6lFWtGyvsdYIAz8tHCSjZndxgbkXC5XInxQlDbV0+90M sHY8XwaxzPLkxWJAhBbWz76HARvqy2WyTBTHlPXATDACEQPCMO3+2kydxR7o5gGqsNMG SIoqQcDf8fkn5b6Usny4045wvhY4eKKebwpTcus5Vpuprvi1zwk4k7YbqYPc86+7emp1 2Nig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=WnVMHKXufe2wcstGLTuOtIUeDK20DEv3dQ8jt/XiMn0=; b=p8yuSbQa2Q1ISwXdQcocj6uzcFIleSv4Ms8G8zB3j4LqM/OCK5GX3BISRZiz/xJzYk w4t10By3VZA9gZImCMvL055kUSZGbpRembYocXlbC/OGkdzTn9BOtuomKuFbl4fjUHlZ 8ze1Hvlgf0MpoOGcEBWsyxiD44hfUcdD6cQbV4nMFAXLSIelStVs318DgN6m+cDsE8a6 9oNcinJO6Lv30flq0E/PS6aSEfr6GRxzxPMjeCj6bkhv82iSQ6plo87OHIzOw7oke38w utFZfRIKHxiwnQeT35RXI3eA2dQicd4KgEhfa+i2ffYeUCSq8OSdW9trXoO/Vd/DHdoC cCmw== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, NeilBrown , Guoqing Jiang , Shaohua Li , Ben Hutchings Subject: [PATCH 3.18 90/93] md/raid10: reset the first at the end of loop Date: Fri, 6 Apr 2018 15:23:59 +0200 Message-Id: <20180406084229.103773273@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180406084224.918716300@linuxfoundation.org> References: <20180406084224.918716300@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1597003641922069555?= X-GMAIL-MSGID: =?utf-8?q?1597003641922069555?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Guoqing Jiang commit 6f287ca6046edd34ed83aafb7f9033c9c2e809e2 upstream. We need to set "first = 0' at the end of rdev_for_each loop, so we can get the array's min_offset_diff correctly otherwise min_offset_diff just means the last rdev's offset diff. [only the first chunk, due to b506335e5d2b ("md/raid10: skip spare disk as 'first' disk") being already applied - gregkh] Suggested-by: NeilBrown Signed-off-by: Guoqing Jiang Reviewed-by: NeilBrown Signed-off-by: Shaohua Li Cc: Ben Hutchings 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 @@ -3717,6 +3717,7 @@ static int run(struct mddev *mddev) if (blk_queue_discard(bdev_get_queue(rdev->bdev))) discard_supported = true; + first = 0; } if (mddev->queue) {