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[2620:137:e000::1:20]) by mx.google.com with ESMTP id w4-20020aa79544000000b0063d23b80e00si20551541pfq.392.2023.04.28.00.38.29; Fri, 28 Apr 2023 00:38:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=uh1Oj0hg; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229980AbjD1Hcj (ORCPT + 99 others); Fri, 28 Apr 2023 03:32:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229757AbjD1Hci (ORCPT ); Fri, 28 Apr 2023 03:32:38 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BD29F26A1; Fri, 28 Apr 2023 00:32:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 569B564162; Fri, 28 Apr 2023 07:32:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AFBCC433D2; Fri, 28 Apr 2023 07:32:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1682667156; bh=j2Oz0LSVfsAP5bNfRWQOmIIg4LOxtGTZ5TSIynmgi34=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uh1Oj0hg00DoxUc7222YTspOYbWMnLj/7cPfbUQ9X7TBqM4VY8K2eTUDoN2Q6XQ0N VhPMj4t/zEsPKSgFT7FgQAOa+37i/szEiI2D0xABCMsZmdDsEqZfnAKlHzUnnnFAKL //AcIlKydjUclNNNQPdLX2V0xe/1LodbCw9bwD1w= Date: Fri, 28 Apr 2023 09:32:34 +0200 From: Greg KH To: Jan Kara Cc: stable@vger.kernel.org, Ted Tso , linux-ext4@vger.kernel.org Subject: Re: Pick commit 2729cfdcfa ("ext4: use ext4_journal_start/stop for fast commit transactions") Message-ID: <2023042804-feed-radiantly-2a07@gregkh> References: <20230427162459.qb3tnh3be6ofibzz@quack3> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230427162459.qb3tnh3be6ofibzz@quack3> X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Thu, Apr 27, 2023 at 06:24:59PM +0200, Jan Kara wrote: > Hello, > > recently I've debugged a deadlock issue in ext4 fast commit feature in our > openSUSE Leap kernel. Checking with upstream I've found out the issue was > accidentally fixed by commit 2729cfdcfa1c ("ext4: use > ext4_journal_start/stop for fast commit transactions"). Can you please pick > up this commit into the stable tree? The problem has been there since fast > commit began to exist (in 5.10-rc1) so 5.10 and 5.15 stable trees need the > fix. Thanks! This commit does not apply to those branches, so how was it tested? Can you send us backported, and tested, versions of this commit so that we can apply them? thanks, greg k-h