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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,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 DBE49C2D0E9 for ; Sun, 29 Mar 2020 22:57:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A904820733 for ; Sun, 29 Mar 2020 22:57:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="sHt246iK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728765AbgC2W5L (ORCPT ); Sun, 29 Mar 2020 18:57:11 -0400 Received: from smtp-fw-9101.amazon.com ([207.171.184.25]:55786 "EHLO smtp-fw-9101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728619AbgC2W5L (ORCPT ); Sun, 29 Mar 2020 18:57:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1585522631; x=1617058631; h=date:from:to:cc:message-id:references:mime-version: in-reply-to:subject; bh=eO8/lmtA1ESg7YIFIcXZ+YqLFipul2JN4z7U2vqwfjc=; b=sHt246iKPIbw7nH/4oKwT8nAvR5QtUYYtvdXlPQwiL3kjQdpqbflIfQA msGvlfW1MhQPOceOywh1PZmqdY2EKAA/SIyuFoaJDZVJIFlw6mR/MROaH ZkcC1847IwGlTCPGuDh69BmYg0c140XacTIllnC7cXJiGVoGr5Z6zBp7v k=; IronPort-SDR: C+IU9xBelEhvQFcu1GQuCw616HTMTlFKmv2EafDWJ/a6TjtFVj0e80uwNe/QYPiTR+l8381rnb Y6r+sU/dl9xg== X-IronPort-AV: E=Sophos;i="5.72,322,1580774400"; d="scan'208";a="25727200" Subject: Re: vfs_listxattr and the NFS server: namespaces Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-1d-5dd976cd.us-east-1.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9101.sea19.amazon.com with ESMTP; 29 Mar 2020 22:57:09 +0000 Received: from EX13MTAUWA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1d-5dd976cd.us-east-1.amazon.com (Postfix) with ESMTPS id A1EAEA20D1; Sun, 29 Mar 2020 22:57:07 +0000 (UTC) Received: from EX13D24UWA002.ant.amazon.com (10.43.160.200) by EX13MTAUWA001.ant.amazon.com (10.43.160.118) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Sun, 29 Mar 2020 22:57:06 +0000 Received: from EX13MTAUWA001.ant.amazon.com (10.43.160.58) by EX13D24UWA002.ant.amazon.com (10.43.160.200) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 29 Mar 2020 22:57:07 +0000 Received: from dev-dsk-fllinden-2c-c1893d73.us-west-2.amazon.com (172.23.141.97) by mail-relay.amazon.com (10.43.160.118) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Sun, 29 Mar 2020 22:57:06 +0000 Received: by dev-dsk-fllinden-2c-c1893d73.us-west-2.amazon.com (Postfix, from userid 6262777) id 1043DC13B5; Sun, 29 Mar 2020 22:57:07 +0000 (UTC) Date: Sun, 29 Mar 2020 22:57:07 +0000 From: Frank van der Linden To: Chuck Lever CC: Bruce Fields , Linux NFS Mailing List , Message-ID: <20200329225706.GA20307@dev-dsk-fllinden-2c-c1893d73.us-west-2.amazon.com> References: <20200327232717.15331-1-fllinden@amazon.com> <20200327232717.15331-11-fllinden@amazon.com> <20200329202546.GA31026@dev-dsk-fllinden-2c-c1893d73.us-west-2.amazon.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Sun, Mar 29, 2020 at 05:54:38PM -0400, Chuck Lever wrote: > > Alternatively, we could decide that the temporarily allocation of 64k > > is no big deal. > > An order-4 allocation is not something that can be relied upon. I would > rather find a way to avoid the need for it if at all possible. It's not strictly an order-4 allocation anymore, as I changed svcxdr_tmpalloc to use kvmalloc. But sure, it's best to avoid it, it's a waste. - Frank