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 5DCAD139D0A; Wed, 15 Oct 2025 07:31:56 +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=1760513517; cv=none; b=Mge4Xv8Aa0R7bRD8N1zdl3TEUSfu+4a4xNgYuETCun99ZutLFoIc1jJAaaOuuSHhn9Hao0vniE6pdT1/p6pqcE/LKJTqKGzSqkG1hiivJYyCRAif9ay3furC7wuF0OYXNqGXpBmpGmYg0WVSjxm1ztfiE3QhCnEPNhRfyF+E38M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760513517; c=relaxed/simple; bh=BFtmtogbr8F3hzECrfBCZ5C/O63CcbwPceVL8TI4rYE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iJHJc67ci/ZauVgWwoHcp3OgLyzjljp/xCD8HlwB1aObDidRsx9wXrwC+gdDI7UsYC2HK2VZI6FChdWZNLmRC4VloKyryoF7ej4uGjPhqnlbijAXsefe5/E5kYonYXuK2ZLODu4QfdbgaBvM6DLX28y3hKUlFWQIQHChk69tEEI= 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 E48B7227AA8; Wed, 15 Oct 2025 09:31:51 +0200 (CEST) Date: Wed, 15 Oct 2025 09:31:51 +0200 From: Christoph Hellwig To: Kundan Kumar Cc: jaegeuk@kernel.org, chao@kernel.org, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, miklos@szeredi.hu, agruenba@redhat.com, trondmy@kernel.org, anna@kernel.org, akpm@linux-foundation.org, willy@infradead.org, mcgrof@kernel.org, clm@meta.com, david@fromorbit.com, amir73il@gmail.com, axboe@kernel.dk, hch@lst.de, ritesh.list@gmail.com, djwong@kernel.org, dave@stgolabs.net, wangyufei@vivo.com, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, gfs2@lists.linux.dev, linux-nfs@vger.kernel.org, linux-mm@kvack.org, gost.dev@samsung.com, anuj20.g@samsung.com, vishak.g@samsung.com, joshi.k@samsung.com Subject: Re: [PATCH v2 00/16] Parallelizing filesystem writeback Message-ID: <20251015073151.GC11294@lst.de> References: <20251014120845.2361-1-kundan.kumar@samsung.com> 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: <20251014120845.2361-1-kundan.kumar@samsung.com> User-Agent: Mutt/1.5.17 (2007-11-01) This still allows the file system to override a bdi paramter while the bdi is shared by all file systems on a single block device. As said before that really needs untangling first.