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=-0.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,LOTS_OF_MONEY,MAILING_LIST_MULTI,MONEY_NOHTML, SPF_HELO_NONE,SPF_PASS 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 EC518C47094 for ; Mon, 7 Jun 2021 15:28:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D248761164 for ; Mon, 7 Jun 2021 15:28:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230294AbhFGP3w (ORCPT ); Mon, 7 Jun 2021 11:29:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230212AbhFGP3v (ORCPT ); Mon, 7 Jun 2021 11:29:51 -0400 Received: from mail-qv1-xf2c.google.com (mail-qv1-xf2c.google.com [IPv6:2607:f8b0:4864:20::f2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F07AC061766 for ; Mon, 7 Jun 2021 08:27:46 -0700 (PDT) Received: by mail-qv1-xf2c.google.com with SMTP id g12so9017378qvx.12 for ; Mon, 07 Jun 2021 08:27:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=oHbV3Y7l7uoNK6hbv64je8rSkWHPyCic5O4iy1tk7yk=; b=nLB9HdEsm20ZvKOPKS6s0B79gfNuRoQU3nqTpxyLguopVGOWNzrutVZQxt/mW9Fjwz GBsrHRuu3CKi5QZJf85yrW8srKqsFQmJrBrQr330H0e5MsZnUez1mm9wroa1SvkDLEgf pZQYgG296WEbmLGWVFQ6LBlDSmM38kkwew44Ha2+JMHQ4bBQVILqi/VnG72nVDaEeiKy a2b/gG4/uEC8zNsIMDi9DBR0INRsUWrASCekSn+HJtUP+19TQJpO+yop0AfHuY9/ImaS ACuzb8mTmlJn+6qYTvcX9NvmnnS4FbG8KImFetXd1mL4F26siVtKZVWu0JPs6UkWEDBI 13Eg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=oHbV3Y7l7uoNK6hbv64je8rSkWHPyCic5O4iy1tk7yk=; b=He9v8gR++5zpvwCR8bUAVoPUQhv+zIB6gJztF8EdhGEhKvkXezTb1CfLe9zVsgLy1U cIprB3iVocBC4Xk02p3+zknjq4GxChUnbsC34tQMGwGKGnEz2bNfx5orhNFbe68+SUqv Na3k8ZvITs13IMyBpo1WMjKHGEb4ak9qK6du3oZcWKlyl7gccgXd41npuzbfJSeP8bp6 C86SlAnspDeGoQy2faUXEnwvI40k11NC8zaW21zuOiV3BKawpIxo9V5Er+4HkIDlbf6u XWPxf3u9xEBqM011JDQRlGzL8h/rCqJ2wSUkOoq7PyqXiSSyUHRbhsfenN78uvgPvWJ3 I2dg== X-Gm-Message-State: AOAM532I3p8Dj644aL+F4N9CIqch/87v+muU/SX+JTUTklFQYlT9YmBo Jg2x+yEls+sTje4jCoqwyzk= X-Google-Smtp-Source: ABdhPJzGEUvX9HIuo47u7H+IKcN5MuykHvNEozWDnGrNDISF7OgosAgHWLLtK7OvAXjgmcG5Mb1VCw== X-Received: by 2002:a0c:e601:: with SMTP id z1mr18702326qvm.62.1623079665670; Mon, 07 Jun 2021 08:27:45 -0700 (PDT) Received: from nyarly.rlyeh.local ([179.233.244.167]) by smtp.gmail.com with ESMTPSA id i10sm9887486qko.68.2021.06.07.08.27.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 08:27:45 -0700 (PDT) Date: Mon, 7 Jun 2021 12:27:40 -0300 From: Thiago Rafael Becker To: =?iso-8859-1?Q?Aur=E9lien?= Aptel Cc: linux-cifs@vger.kernel.org, sfrench@samba.org, samba-technical@lists.samba.org, tbecker@redhat.com, jshivers@redhat.com Subject: Re: [RFC PATCH] cifs: retry lookup and readdir when EAGAIN is returned. Message-ID: References: <87v96qrpdt.fsf@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org The following capture for a run of ls after running close-smbsession on windows and clearing the caches on the linux client running the upstream kernel. 1 0.000000 client → server SMB2 410 Create Request File: dir;GetInfo Request FILE_INFO/SMB2_FILE_ALL_INFO;Close Request 2 0.004586 server → client SMB2 274 Create Response, Error: STATUS_USER_SESSION_DELETED;GetInfo Response, Error: STATUS_INVALID_PARAMETER;Close Response, Error: STATUS_INVALID_PARAMETER 9 0.024997 client → server SMB2 290 Negotiate Protocol Request 10 0.033179 server → client SMB2 566 Negotiate Protocol Response 12 0.033578 client → server SMB2 178 Session Setup Request, NTLMSSP_NEGOTIATE 13 0.041297 server → client SMB2 368 Session Setup Response, Error: STATUS_MORE_PROCESSING_REQUIRED, NTLMSSP_CHALLENGE 15 0.041792 client → server SMB2 434 Session Setup Request, NTLMSSP_AUTH, User: \user 16 0.047307 server → client SMB2 130 Session Setup Response 18 0.047832 client → server SMB2 174 Tree Connect Request Tree: \\server\root 19 0.057075 server → client SMB2 138 Tree Connect Response 20 0.057586 client → server SMB2 172 Tree Connect Request Tree: \\server\IPC$ 21 0.062169 server → client SMB2 138 Tree Connect Response 22 0.062273 client → server SMB2 410 Create Request File: dir;GetInfo Request FILE_INFO/SMB2_FILE_ALL_INFO;Close Request 23 0.069050 server → client SMB2 570 Create Response File: dir;GetInfo Response;Close Response 24 0.069943 client → server SMB2 316 Create Request File: dir;Find Request SMB2_FIND_ID_FULL_DIRECTORY_INFO Pattern: * 25 0.079125 server → client SMB2 3842 Create Response File: dir;Find Response SMB2_FIND_ID_FULL_DIRECTORY_INFO Pattern: * 27 0.081926 client → server SMB2 156 Find Request File: dir SMB2_FIND_ID_FULL_DIRECTORY_INFO Pattern: * 28 0.093209 server → client SMB2 130 Find Response, Error: STATUS_NO_MORE_FILES SMB2_FIND_ID_FULL_DIRECTORY_INFO Pattern: * 29 0.093743 client → server SMB2 146 Close Request File: dir 30 0.099034 server → client SMB2 182 Close Response Similar pattern for stat. Best, Thiago