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[2620:137:e000::1:20]) by mx.google.com with ESMTP id t19-20020a056a0021d300b00536829651e4si2092720pfj.163.2022.08.26.08.10.17; Fri, 26 Aug 2022 08:10:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=H3HdVnHM; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229917AbiHZO7U (ORCPT + 99 others); Fri, 26 Aug 2022 10:59:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242617AbiHZO7S (ORCPT ); Fri, 26 Aug 2022 10:59:18 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C7570D99CE for ; Fri, 26 Aug 2022 07:59:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1661525957; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4sT6cPObYVYFGAbshMuSoJcQWCc0YuGMsMFW5ouDLCM=; b=H3HdVnHMUKVZPS9q9SVWe6D4ITne47ncdeyHKIxTGxbVtF/Fw2NnGRAAy3iZQV0XT1QDyN Md5mCYR6/19HO0x7HNngBJSfRANAWiHpTTuU2E+6jUfhsKqr2epJA50tjshKVsITqIVYrk zkKcekuQHuUpXmnV0cd1TGtPyDHFgwM= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-589-XY6yH73iNfGfB8IMedfifA-1; Fri, 26 Aug 2022 10:59:13 -0400 X-MC-Unique: XY6yH73iNfGfB8IMedfifA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 869EB3C11720; Fri, 26 Aug 2022 14:59:12 +0000 (UTC) Received: from [172.16.176.1] (unknown [10.22.48.8]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CA23BC15BB3; Fri, 26 Aug 2022 14:59:11 +0000 (UTC) From: "Benjamin Coddington" To: "Trond Myklebust" Cc: neilb@suse.de, anna@kernel.org, linux-nfs@vger.kernel.org Subject: Re: [PATCH 0/2] NFS: limit use of ACCESS cache for negative responses Date: Fri, 26 Aug 2022 10:59:09 -0400 Message-ID: In-Reply-To: References: <165110909570.7595.8578730126480600782.stgit@noble.brown> <165274590805.17247.12823419181284113076@noble.neil.brown.name> <72f091ceaaf15069834eb200c04f0630eca7eaef.camel@hammerspace.com> <165274805538.17247.18045261877097040122@noble.neil.brown.name> <165274950799.17247.7605561502483278140@noble.neil.brown.name> <3ec50603479c7ee60cfa269aa06ae151e3ebc447.camel@hammerspace.com> <165275056203.17247.1826100963816464474@noble.neil.brown.name> MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On 16 May 2022, at 21:36, Trond Myklebust wrote: > So until you have a different solution that doesn't impact the client's > ability to cache permissions, then the answer is going to be "no" to > these patches. Hi Trond, We have some folks negatively impacted by this issue as well. Are you willing to consider this via a mount option? Ben