From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 6BB6710A09; Mon, 1 Jul 2024 04:45:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719809142; cv=none; b=fT4j93menmNk/AEd4mb19p5vA5kR7OdFppSMPd0XoSV8AwHRddYY9NRi2+SN+Yl3OIm2yKI75yu7FYV0hkp+vGxEOC+KLE5hKiqq+Bu/7D9TRIWH5BC9XUVucDxbFXp96HJFJbQpeJo3GjpUs82WfS2ta1w6j55X4Cv4HNP1Y9w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719809142; c=relaxed/simple; bh=H0J2kaz9+6SpeWzW9E0vSPVty6jO8RgOaLDmVHaPQAg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=LLEwdD74fbJYnU8znaGOtAF1mjm8Q5Pb4GDWzlL4chmg8pfe8StTLaT8FRzYJWSK2w1S6KfnjmLgt9pvu8OO44lThfU0lSl/Yj2OfZb51uRT8g289TBvI/mljYicrtQTNisGyt0G/p0QHWCNYLWIuJzkin4rvJ6JL00GcmVWSuE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=P9Yaxpqc; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="P9Yaxpqc" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=u9K2lBHdE8OP+qvlVN2VkQaHZ1cF96b2/Y5P3mBV0TA=; b=P9YaxpqcZ1EfwvEL/CWC98wcgU bzAwfL2/4d9HDuxlz5ESR5tCkXijigzhDKFwkB1Uo15uR5A66HeCssKxjZXD8bSoNhraq+nW70eLY vuaBnZNZ0qUag6Z184WZniM9pw6+vZ1jjZpmEGcz/Lc09IRTx8tIzfSyFYzURvvglmtto9gZMp0cU uT4x1JYc1Qp5i+0T+mmkld2jhe1CIVoTIMEWEJR87b7KtbGJNpHHI7K2/i5IRZk8lxij++kJYi+zv SG+Ns1QarHEKVr/y2aI1FhVI8eFPr006hd1Jnw9e8Z59EBvL5xfw23eO7kRUrEbRcdE6u2Btt1Dsl +WD1YALA==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sO8v6-00000001gKi-0wHJ; Mon, 01 Jul 2024 04:45:40 +0000 Date: Sun, 30 Jun 2024 21:45:40 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Mike Snitzer , linux-xfs@vger.kernel.org, Brian Foster , linux-nfs@vger.kernel.org Subject: Re: [PATCH v2] xfs: enable WQ_MEM_RECLAIM on m_sync_workqueue Message-ID: References: Precedence: bulk X-Mailing-List: linux-xfs@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: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Mon, Jul 01, 2024 at 09:46:36AM +1000, Dave Chinner wrote: > Oh, that's nasty. Yes. > We now have to change every path in every filesystem that NFS can > call that might defer work to a workqueue. Yes. That's why the kernel for a long time had the stance that using network file systems / storage locally is entirely unsupported. If we want to change that we'll have a lot of work to do.