From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 91B221CDFD5; Fri, 14 Nov 2025 13:18:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763126300; cv=none; b=ci/xBgaVTBSZnSf4sbBE5W1ebmalWvWIJ1ixyL062QP2OP08QOWfWh0LTpFaas6z2Zsejzg93Wwj1sSXr8spdqDmpHhFO7D/aOg/2DuO2q6lHDv6ux0Ppl1VrjEfYYmBmQsU/rsaM0xWxWe9nx7epSg18iKtBY0bU+fcrRPE+wg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763126300; c=relaxed/simple; bh=hmVNfXV6oyQABFYC6/ma7wXURuBWKP2P48qcOd0qnCc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=r9JYxqt/lSHtXNYS/cYIy7BMGBX2ml6j0JzkwAAzM51w629+CGfadarG5XrRatp1RaqkL6Y+Jvo7PMeLAsmQNU+6gJ26bPQcFfFGXsum1JbB6PLP5DmOP3TmqdnIa9xel7mKEveZpn34Hld5rXjP6t6S2webcKwBbviz/aCRSA8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=dl0AhYmQ; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="dl0AhYmQ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=hmVNfXV6oyQABFYC6/ma7wXURuBWKP2P48qcOd0qnCc=; b=dl0AhYmQpaaVm92D43c89MJTqg 15iItLJULDTf+hYKkhp4788x6bFlulpBjbCa+UeFxstvvcOvD19ohAhWrAvbv0MpmfN9dSI3JJ0gh RRFNwM5nkGgTaPzFRGKmWlOPTxzw2EPPdSSKURyZvuaDh/u5caoheTcBFwHmdVpFD2VJn0YlpGBR3 iF9f2Bk8Yx1jygcopP1xvAuoGcK5kXI6FbSqLaAHw//n5e6Wo7vGXJbBBMy2nGe4dLf68Zgs11TO0 Hx6LnTivTI4+RWBwX0FUVNgCVqL8nEvWlHKS/OK9PC4oY9SbAQh9LQOheJKSFtRiLmytwquIFBVUb 4+XIGdlw==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJtgq-00000009Mvx-12tt; Fri, 14 Nov 2025 13:18:12 +0000 Date: Fri, 14 Nov 2025 13:18:12 +0000 From: Matthew Wilcox To: Ojaswin Mujoo Cc: Dave Chinner , Ritesh Harjani , Christoph Hellwig , Christian Brauner , djwong@kernel.org, john.g.garry@oracle.com, tytso@mit.edu, dchinner@redhat.com, linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, jack@suse.cz, nilay@linux.ibm.com, martin.petersen@oracle.com, rostedt@goodmis.org, axboe@kernel.dk, linux-block@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: Re: [RFC PATCH 0/8] xfs: single block atomic writes for buffered IO Message-ID: References: <20251113052337.GA28533@lst.de> <87frai8p46.ritesh.list@gmail.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@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: On Fri, Nov 14, 2025 at 02:50:25PM +0530, Ojaswin Mujoo wrote: > buffered IO. Further, many DBs support both direct IO and buffered IO > well and it may not be fair to force them to stick to direct IO to get > the benefits of atomic writes. It may not be fair to force kernel developers to support a feature that has no users.