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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8EEA4C3DA78 for ; Tue, 17 Jan 2023 17:48:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229629AbjAQRsC (ORCPT ); Tue, 17 Jan 2023 12:48:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231759AbjAQRqP (ORCPT ); Tue, 17 Jan 2023 12:46:15 -0500 Received: from mx.cjr.nz (mx.cjr.nz [51.158.111.142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8029658641 for ; Tue, 17 Jan 2023 09:36:23 -0800 (PST) Received: from authenticated-user (mx.cjr.nz [51.158.111.142]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: pc) by mx.cjr.nz (Postfix) with ESMTPSA id D92027FC02; Tue, 17 Jan 2023 17:36:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cjr.nz; s=dkim; t=1673976966; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uPyl/wgKU60YkaUUsrvxfPk3JrPxCTW9mOhgbTb9QdM=; b=HIWQVdoBL98eBMpCUt4PCA6taEE97lMZx68TdI0sdZBnxhtZazV/nKo8q1YQkXpZZgVGQg eK3OiWw5JXTkMUDG6uIG1Oa+W/j5ywX+mj8Ak5ypR/Vju53Mxmh3R/ZtZqpdfE4Aw5JRvp 09ItpCOrdmy7mj2MDNikhXGHNMRll1Um8/28sxCdL8MtpX4BnWmpmP/4t3xwPgtvsbDT3T VfYHOy9i2BsvDeJAInE4100yPpx4DGZKHL1C5Q/hSC5RULiNU2G4As6Q6E/MkN/IXiPTUk fqKE2ZAzpQcvJe7ODf8h7XSSrWKr4pe5VqQMtcrNKASoBNFitkK9BNnqaO0Jlg== From: Paulo Alcantara To: =?utf-8?Q?J=2E_Pablo_Gonz=C3=A1lez?= , linux-cifs@vger.kernel.org Subject: Re: [Bug report] Since 5.17 kernel, non existing files may be treated as remote DFS entries In-Reply-To: References: <878ri2d446.fsf@cjr.nz> Date: Tue, 17 Jan 2023 14:36:01 -0300 Message-ID: <87y1q1ukqm.fsf@cjr.nz> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org J. Pablo Gonz=C3=A1lez writes: > On Mon, Jan 16, 2023 at 2:02 PM Paulo Alcantara wrote: >> >> J. Pablo Gonz=C3=A1lez writes: >> >> > We=E2=80=99re experiencing some issues when accessing some mounts in a= DFS >> > share, which seem to happen since kernel 5.17. >> > >> > After some investigation, we=E2=80=99ve pinpointed the origin to commit >> > a2809d0e16963fdf3984409e47f145 >> > cccb0c6821 >> > - Original BZ for that is https://bugzilla.kernel.org/show_bug.cgi?id= =3D215440 >> > - Patch discussion is at >> > https://patchwork.kernel.org/project/cifs-client/patch/YeHUxJ9zTVNrKve= F@himera.home/ >> > - Similar issues referenced in https://bugzilla.suse.com/show_bug.cgi?= id=3D1198753 >> >> 6.2-rc4 has >> >> c877ce47e137 ("cifs: reduce roundtrips on create/qinfo requests") >> >> which should fix your issue. >> >> Could you try it? Thanks. > > I'll still need to test it more thoroughly, but for now, this patch > seems to have fixed all issues, including the "-o nodfs ones." Thank > you! OK - thanks for quickily testing it! > Any chance this could be formally backported to 6.1.x ? I see it's > only tagged for 6.2-rc for now. Absolutely. Will take care of that.