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 5BDEB28031F; Tue, 6 May 2025 13:34:21 +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=1746538462; cv=none; b=XYLgThjIC7cDhT2yTmb7hH2OrRbXllowKvH4/Is4J6pdvWyFot7e4o3UAaumxXoAiKmTioHA4Y32QfnIJINRfq33olhxaoD4hoX02aioAj1CQjQ9vpzp5l/CTflAdagondoRXJPaw/F0tBtZYpY2Hy2MzsMbro0UFEzNa5taWj8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746538462; c=relaxed/simple; bh=LESk2txvr2n0dj8ebiCbsJaFOczDIfF5jmSmI96qSCY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IESbZQvYgLodcdy85sZWhudohx7+rjO7rp7nAkwpfxyCf6wAxtKETmNTdY/YUQVBvae34Ufro5+dofTPvv+iYe595psjhljgWFXyCLwORoO35oJL9RF0F4zWpY4UI7yohsZ+m9iHPNt7A8kiKVjyDlHq3rxNLOTIF4SS26LsK34= 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=hBuKsVtu; 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="hBuKsVtu" 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=YsIQ0d1HWaf3dYrChUjxa0ZRWIJORHyjFp6yuxrCqQ0=; b=hBuKsVtuIVKNZShhiyeUHJ2rGC Y90sYJOzNmkrpb6FaFb3yWnl5hKF3uA8sggBLU301YFDb2pgWcxC5J3bjYMvrBYKpU2pxlUq5ypwN bPE+JRt71HDd98IXK+GwQaZh+3HF5hLwcuco1YWzUhr3yMGK4N/13i4bsZ/Kgrb1mPxuCv2t40fcj B85mcHY9Lr7NFfK9rdlEhNw6EHRBAw0+p/0hepVio74hYnPz/sleKLcvjkytyUeQiUXEb9sMLeP9Q afKdbmlFXulQNZbk5d7F3XN6BbZ7tYUZXppknC8bMkJj6aWi6KBbSZx3pDuyIA2QJ4AZLBOno5f9p 3V6bVhmg==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uCIR9-0000000C8pX-1e2b; Tue, 06 May 2025 13:34:19 +0000 Date: Tue, 6 May 2025 06:34:19 -0700 From: Christoph Hellwig To: cel@kernel.org Cc: NeilBrown , Jeff Layton , Olga Kornievskaia , Dai Ngo , Tom Talpey , Anna Schumaker , linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org, Chuck Lever Subject: Re: [PATCH v4 14/14] SUNRPC: Bump the maximum payload size for the server Message-ID: References: <20250428193702.5186-1-cel@kernel.org> <20250428193702.5186-15-cel@kernel.org> Precedence: bulk X-Mailing-List: linux-nfs@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: <20250428193702.5186-15-cel@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Mon, Apr 28, 2025 at 03:37:02PM -0400, cel@kernel.org wrote: > From: Chuck Lever > > Increase the maximum server-side RPC payload to 4MB. The default > remains at 1MB. > > To adjust the operational maximum, shut down the NFS server. Then > echo a new value into: > > /proc/fs/nfsd/max_block_size > > And restart the NFS server. Are you going to wire this up to a config file in nfs-utils that gets set before the daemon starts? Because otherwise this is a pretty horrible user interface.