From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 265FEC7618B for ; Sun, 28 Jul 2019 15:04:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E94DC2087C for ; Sun, 28 Jul 2019 15:04:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564326269; bh=mT7Z7O7O45mTYtMbjcLI7Ljm8CqwfPH60X45YZtD8i0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=zOpv7F+RPrWuFC9zxtVxu3hnonIFkx+6D8YZCoYDn1o/7LmmK9sg6sRfCLzRuMUW/ upEpn1k2KRBI7Z9WNliMHwVkJlTOECjEglEdWGhe/FdN9yAg4cirgEuFDxvDH6l7ls n3aVFZS0CrfFV0iZBVqZqgPUkX8jnnRGOyS/niHI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726067AbfG1PE2 (ORCPT ); Sun, 28 Jul 2019 11:04:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:43314 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726032AbfG1PE2 (ORCPT ); Sun, 28 Jul 2019 11:04:28 -0400 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2376A2077C; Sun, 28 Jul 2019 15:04:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564326267; bh=mT7Z7O7O45mTYtMbjcLI7Ljm8CqwfPH60X45YZtD8i0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Pn/Xyv0U9G3kXdbCQeF5Uermkji3a+M1UdIOqG1dxTDAH9iVMdTcuZtQ33BNGKcpn kql7xsbJbdZbd1EmoFDuwVeP1cmamFWjyQU9V0T4DsepM/zTSHPfvZjGein5fUyBHn 5ugnexsn1M4Rhxnu2bWS5i1P+lW5Pal8c7P3uu28= Date: Sun, 28 Jul 2019 11:04:25 -0400 From: Sasha Levin To: Qian Lu Cc: gregkh@linuxfoundation.org, stable@vger.kernel.org, bfields@redhat.com, ctracy@engr.scu.edu Subject: Re: Request for inclusion on linux-4.14.y Message-ID: <20190728150425.GD8637@sasha-vm> References: <20190726213635.GB1900@dev-dsk-luqia-2a-c7316a94.us-west-2.amazon.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20190726213635.GB1900@dev-dsk-luqia-2a-c7316a94.us-west-2.amazon.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Jul 26, 2019 at 02:36:35PM -0700, Qian Lu wrote: >Hello Greg, > >Can you please consider including the following patches in the stable >linux-4.14.y branch? > >An NFS server accepts only a limited number of concurrent v4.1+ mounts. Once >that limit is reached, on the affected client side, mount.nfs appears to hang to >keep reissuing CREATE_SESSION calls until one of them succeeds. This is to bump >the limit, also return smaller ca_maxrequests as the limit approaches instead of >waiting till we have to fail CREATE_SESSION completely. > >44d8660d3bb0("nfsd: increase DRC cache limit") >de766e570413("nfsd: give out fewer session slots as limit approaches") >c54f24e338ed("nfsd: fix performance-limiting session calculation") I've queued these 3 for 4.14 and older. Note that c54f24e338ed has a fix: 3b2d4dcf71c4a ("nfsd: Fix overflow causing non-working mounts on 1 TB machines") which was queued as well. -- Thanks, Sasha