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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,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 6065AC43215 for ; Fri, 22 Nov 2019 11:18:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2FAE320748 for ; Fri, 22 Nov 2019 11:18:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574421494; bh=rIE4VPIrEIPSgI9Tss7jaX/soOHcNIuRa+Zq6z6B5Dc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fA9izwZUXHnsNeF/BWGxoI2bJrOPFbKSLcZOjb/RUcZQFK+MDLAn6SmpfTxHyV7kt 9/ib5Mco6SaygzyC67mCMwwup6Sr/kPxL8ztbaHtA6AeLS3sAyU8mDfqf4RSmFjfWx wrf54A2Riw79gAKyA4L7Llh7yRJkdZUjC2Lo/5As= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728288AbfKVLSN (ORCPT ); Fri, 22 Nov 2019 06:18:13 -0500 Received: from mail.kernel.org ([198.145.29.99]:57214 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729917AbfKVKsX (ORCPT ); Fri, 22 Nov 2019 05:48:23 -0500 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 D9714205C9; Fri, 22 Nov 2019 10:48:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574419703; bh=rIE4VPIrEIPSgI9Tss7jaX/soOHcNIuRa+Zq6z6B5Dc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yFHEH3MUj4Mn1rchZ0z3DrdrqW9tekLMnX+3ChYs2S6svGYZ6CqgA9genQcsEn99k QrlJIdTWMi923eX73o9cVJl7/lKSjoMk2hfs2NorZcvgHyA9ePFIwNKii0WDKsvw+w H1rVQ2gdjOtZhnI9M49rBTHujxrb+TZIQM7v4Q+4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shenghui Wang , Coly Li , Jens Axboe , Sasha Levin Subject: [PATCH 4.9 202/222] bcache: recal cached_dev_sectors on detach Date: Fri, 22 Nov 2019 11:29:02 +0100 Message-Id: <20191122100916.847108132@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191122100830.874290814@linuxfoundation.org> References: <20191122100830.874290814@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: Shenghui Wang [ Upstream commit 46010141da6677b81cc77f9b47f8ac62bd1cbfd3 ] Recal cached_dev_sectors on cached_dev detached, as recal done on cached_dev attached. Update the cached_dev_sectors before bcache_device_detach called as bcache_device_detach will set bcache_device->c to NULL. Signed-off-by: Shenghui Wang Signed-off-by: Coly Li Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- drivers/md/bcache/super.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index c5bc3e5e921e4..080f9afcde8da 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -904,6 +904,7 @@ static void cached_dev_detach_finish(struct work_struct *w) bch_write_bdev_super(dc, &cl); closure_sync(&cl); + calc_cached_dev_sectors(dc->disk.c); bcache_device_detach(&dc->disk); list_move(&dc->list, &uncached_devices); -- 2.20.1