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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id ge23-20020a05622a5c9700b0042371956d63si2572694qtb.176.2023.11.21.22.51.43 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Nov 2023 22:51:44 -0800 (PST) Received-SPF: pass (google.com: domain of linux-ext4+bounces-76-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=E0tFtqMS; spf=pass (google.com: domain of linux-ext4+bounces-76-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-ext4+bounces-76-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id CAF771C20A18 for ; Wed, 22 Nov 2023 06:51:43 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A548C11CB6; Wed, 22 Nov 2023 06:51:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="E0tFtqMS" X-Original-To: linux-ext4@vger.kernel.org Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B518C19D; Tue, 21 Nov 2023 22:51:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=cA2Q4f+X/ZRKmAJlXbSlP30H8vlF/XZ2uQeO8VuY2pY=; b=E0tFtqMSauHu032M485YbQVBB5 bneFh/fXzbvWqzmcCcCMQX6eEHmpsFDi30aTv8xpkU3KGSEZbcL6Z7Zvu2JjCMiTzTe14+TTp3Zv4 U56KdVndiSmnHxUuYzUW8Fg9+7xOx/K/v1BJegzjjST7+X9dhu+cAbavaUCsT/j05YedAha5P0nPy dlRxazPEVG3Okax0u1pqqTNERRq267nbhyRTQKIYgEuuCkSCKjKRON1p8INbM96a8ZlTfh8GwP0ni qX2H6qzqtRWsDOtsAdRVH3nd1jprX9oCqRw4F9mdUTdXqy0VEJ7qcQ0FnSrO9ge4EI2F2rcDORORn 3kORGsxA==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1r5h5C-000rOf-14; Wed, 22 Nov 2023 06:51:34 +0000 Date: Tue, 21 Nov 2023 22:51:34 -0800 From: Christoph Hellwig To: Ritesh Harjani Cc: Christoph Hellwig , linux-ext4@vger.kernel.org, Jan Kara , linux-fsdevel@vger.kernel.org Subject: Re: [RFC 1/3] ext2: Fix ki_pos update for DIO buffered-io fallback case Message-ID: References: <877cmby8ei.fsf@doe.com> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <877cmby8ei.fsf@doe.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Tue, Nov 21, 2023 at 11:06:53AM +0530, Ritesh Harjani wrote: > Christoph Hellwig writes: > > > On Tue, Nov 21, 2023 at 12:35:19AM +0530, Ritesh Harjani (IBM) wrote: > >> Commit "filemap: update ki_pos in generic_perform_write", made updating > >> of ki_pos into common code in generic_perform_write() function. > >> This also causes generic/091 to fail. > >> > >> Fixes: 182c25e9c157 ("filemap: update ki_pos in generic_perform_write") > > > > Looks like this really was an in-flight collision with: > > fb5de4358e1a ("ext2: Move direct-io to use iomap"). How did we manage > > to not notice the failure for months, though? > > Yes, it was due to in-flight collision. I found it during this conversion and > also noticed that generic/091 fails on upstream kernel. Maybe ammend the commit message with that information and then it off for inclusion into 6.7-rc and -stable ASAP?