From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 34CFF22A4EE for ; Mon, 23 Feb 2026 13:53:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771854823; cv=none; b=ZPAMxW6Pvl1SKIq1revGHJM53q1uOLuxwF+vJnjvOeW7oxgwBmsCWmkgzj4ACQbXhgqXDQoJnE2EcnN9n+H+2ZsVcxnLh1dFsy/9wiJE6OzdtOxn9WNc/aH8Ds/gJ19oqC3KRIAy/vaWUxp2SLUYwUNxui9sPRh4W2MskY/tK84= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771854823; c=relaxed/simple; bh=ILFmbUAjhO8n+FbPS46ubKWXbMgNzkQMhJSA/3oPzy0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jn1MtaV8YK27Fa2FJ+dagclY6Uwttlx+WxxFQq731pIVcYm06fTJDr01n8sXflnAcWRav+KqyROchoVSkO4NfWbASBqaGgu2H7TSPrabsL3lj9jTqAIik9ByjfC7STDDI6YlpVkMm4qbBYU+Hec+r+CBZmg8MyNxugtOZOjsmKQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 3FEF868AFE; Mon, 23 Feb 2026 14:53:39 +0100 (CET) Date: Mon, 23 Feb 2026 14:53:39 +0100 From: Christoph Hellwig To: Kanchan Joshi Cc: Christoph Hellwig , "lsf-pc@lists.linux-foundation.org" , linux-fsdevel@vger.kernel.org, Christian Brauner , "Darrick J. Wong" , Keith Busch , jack@suse.cz, amir73il@gmail.com Subject: Re: [LSF/MM/BPF TOPIC] FDP file I/O via write-streams Message-ID: <20260223135339.GA17313@lst.de> References: <83f2e586-75d8-44a3-8427-ea6165f1dff9@samsung.com> <20260220151137.GB14064@lst.de> Precedence: bulk X-Mailing-List: linux-fsdevel@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: User-Agent: Mutt/1.5.17 (2007-11-01) On Sat, Feb 21, 2026 at 01:21:38AM +0530, Kanchan Joshi wrote: > On 2/20/2026 8:41 PM, Christoph Hellwig wrote: > > I think you'll get much better traction if you don't tie a high-level > > feature to the buzzword of yesteryear as one possible implementation. > > > Let me confirm my understanding. Perhaps this is about using the term > stream in the UAPI naming (i.e., FS_IOC_WRITE_STREAM ioctl) and the > concern is that it reminds of the older NVMe multi-stream (streams > directive) feature? > It's about your use of FDP in the subject.