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 F12E71946BA; Wed, 2 Oct 2024 07:51:47 +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=1727855509; cv=none; b=Q2U4gv5m7K8QSQrOugV2GbxJkGe42UyQn6VCrwuL+HqakiOImzsKpf1X/Ljv9CTaNq2Ig5pvhnzsrIgMluPllcmPpi5tk8nlAdrwIdQbw0SzvDZ4+hM1RpNxfrFqkPfcR39P01le7fFPJMmMujtESiOzGQJtbOCUuo49+vQcnp0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727855509; c=relaxed/simple; bh=HxSk9oqW3t8yQSTSf9S7aoHATSpgBnRzHKVDRJw1aZQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XYVk+Jx1lVw9Bg0wjw8o8gH5FZwxtzkF6EdjV8enG3SkDfhcXB3Y/omkw9JftGrSkbdlgaKRWIzFXE0A5tBgSb3KPzg6r+aEX1kN7SUJdH+rrZ8rxIMRQB6RDsSU8Tw64uU3gMCV9ngn8Y0k4N7GUoEVx4NX3Kpo9T/CfQ1fVbM= 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 0633D227A8E; Wed, 2 Oct 2024 09:51:41 +0200 (CEST) Date: Wed, 2 Oct 2024 09:51:40 +0200 From: Christoph Hellwig To: Jens Axboe Cc: Christoph Hellwig , Kanchan Joshi , kbusch@kernel.org, hare@suse.de, sagi@grimberg.me, martin.petersen@oracle.com, brauner@kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz, jaegeuk@kernel.org, bcrl@kvack.org, dhowells@redhat.com, bvanassche@acm.org, asml.silence@gmail.com, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, linux-block@vger.kernel.org, linux-aio@kvack.org, gost.dev@samsung.com, vishak.g@samsung.com, javier.gonz@samsung.com Subject: Re: [PATCH v7 0/3] FDP and per-io hints Message-ID: <20241002075140.GB20819@lst.de> References: <20240930181305.17286-1-joshi.k@samsung.com> <20241001092047.GA23730@lst.de> <99c95f26-d6fb-4354-822d-eac94fdba765@kernel.dk> 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: <99c95f26-d6fb-4354-822d-eac94fdba765@kernel.dk> User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Oct 01, 2024 at 10:18:41AM -0600, Jens Axboe wrote: > Have to say, that neither have your responses been. Can't really fault > people for just giving up at some point, when no productive end seems to > be in sight. I heavily disagree and take offence on that. The previous stream separation approach made total sense, but just needed a fair amount of work. But it closely matches how things work at the hardware and file system level, so it was the right approach. Suddenly dropping that and ignoring all comments really feels like someone urgently needs to pull a marketing stunt here.