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 D6DF6DDA8; Fri, 8 Nov 2024 07:12:54 +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=1731049976; cv=none; b=O1wfdPASwDCSjMq2YWawTOjL8IPX/CXE2cXU/ucl+BvnuwVAhS0wDlBVCl1kUpOkrm3zsjLLiOTOf+UmWEJ//z6Vb+Gi0pRBptcp7m3S1MPAlxQAxCm7v75LFtPiSeHgps89CCxLksfmQCtN4B38I0qyz/A3lVaWayNjMs11yJw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731049976; c=relaxed/simple; bh=srBUBrMtrSwBkm97wqaSMupErLhKc8XzpEsRv7o0Te4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Cg6zO4h0SKejLAPY31QJsXi2Xxq1mPPM/5mqPUABDdZemFy41MekonrluStBW0eouXRQXL84UVGx7kor3K7JySy5w+MEE5mHfublgO831qM338iR7i3At85oeHqELuDMEAH9pBrNebD6X5KwGQors+ei5ju/4LsJZSVvc1UJL6k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (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=none (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 0640768B05; Fri, 8 Nov 2024 08:12:50 +0100 (CET) Date: Fri, 8 Nov 2024 08:12:49 +0100 From: Christoph Hellwig To: Pavel Begunkov Cc: Keith Busch , Anuj Gupta , axboe@kernel.dk, hch@lst.de, martin.petersen@oracle.com, anuj1072538@gmail.com, brauner@kernel.org, jack@suse.cz, viro@zeniv.linux.org.uk, io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, gost.dev@samsung.com, linux-scsi@vger.kernel.org, vishak.g@samsung.com, linux-fsdevel@vger.kernel.org, Kanchan Joshi Subject: Re: [PATCH v5 06/10] io_uring/rw: add support to send metadata along with read/write Message-ID: <20241108071249.GA9374@lst.de> References: <20241029162402.21400-1-anuj20.g@samsung.com> <20241029162402.21400-7-anuj20.g@samsung.com> <7995ffbd-7ec0-4f99-86a2-011bc3375228@gmail.com> Precedence: bulk X-Mailing-List: io-uring@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: <7995ffbd-7ec0-4f99-86a2-011bc3375228@gmail.com> User-Agent: Mutt/1.5.17 (2007-11-01) On Thu, Nov 07, 2024 at 05:30:36PM +0000, Pavel Begunkov wrote: > It makes sense to implement write hints as a meta/attribute type, > but depends on whether it's supposed to be widely supported by > different file types vs it being a block specific feature, and if > SQEs have space for it. It make sense everywhere. Implementing it for direct I/O on regular files is mostly trivial and I'll do it once this series lands.