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[209.132.180.67]) by mx.google.com with ESMTP id a1si1624529pgf.55.2017.05.11.04.34.57; Thu, 11 May 2017 04:34:58 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932251AbdEKLet (ORCPT + 25 others); Thu, 11 May 2017 07:34:49 -0400 Received: from mout.kundenserver.de ([217.72.192.74]:57649 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755381AbdEKLer (ORCPT ); Thu, 11 May 2017 07:34:47 -0400 Received: from wuerfel.lan ([78.42.17.5]) by mrelayeu.kundenserver.de (mreue101 [212.227.15.145]) with ESMTPA (Nemesis) id 0McWMC-1dQJDS3QjA-00HfMC; Thu, 11 May 2017 13:34:38 +0200 From: Arnd Bergmann To: Miklos Szeredi Cc: Arnd Bergmann , linux-unionfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] ovl: select EXPORTFS Date: Thu, 11 May 2017 13:34:29 +0200 Message-Id: <20170511113437.2564112-1-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 X-Provags-ID: V03:K0:S0HqMYqumIgBWkHdevZSWb5LEYE3pSqMB7wrZ0va7da/BhdCNi2 F+7Ny1iXfAGUKQbMBKfzFtXROqY1gxB8FO6eY344gATg0WafMRNUANx7ZWQahdOczDi8r2C gjFk0D/qkrI6oABiIdi0e2pngHrCjEL3ovxlOtL7PzUsaGeDhzMmJ3DCWKoSYP3ahpqeBq3 lWN+LbtiOixr1+k9rTDeQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:Y9UMStRQW9A=:VmQVrvsC65QYOtI7nQdOka xXzJ5rt0Ezbx28uKDrMIV8P43+37s6fX+qfp5bprrK83Ex2woUTgD4Lr5ublBQ2UjJ5pmc4Vr cgLkJc/nOsg1epthPNfBss5DenWvjE42781DnRNNoVTkdKqi7RFWU6Y78J8oXiZORN0Bau3D4 pbzqv64dHjMWRUYgrvjln+yXIRSsllwqI1bhRHCLVy7IGUysPLNaAVM7rIZCNWSz0xQxHfu2h oMDG5Qw54K81O+TlzYZATORyeplEVOu3tgF8na4IJZAEQLVE1Ue6ddlnIh/eTnwCdJ0OJY3zr jcgXspWL4lnQG7jFUXPsKVIIoIopzXzKQA4XAXOvXj49DRpqlG3ywYohfjTcef12Te1NFetwp 8T+9CrkPzBPU9wGdyqSdUt8G8CCIH1eUibz5nrNa8gmtlY9m3jrZ9AwAeG+cNF4InEKuKe9vb WPIDt4LXnjU4dkmKJDVFAGVoPSEeDzCKj98CxwHPHnO2BG268AZP7jfCN+GFfrYksom/9GQnB N3IioKa3vxV3BwweOnFQLSKDWfQAxv2NQ4XS1fpCe6k8MqmTOvPeeavTUxzPzCfDgFSEUgRD8 w/WhSEyz0xaJr2nrW/CPkMxx/Kqk2U/i/JIXi7oGi2VRfsxDGTp8A0AR62knsIm6ts1ktkUTb nZaqmObBijjcexzLGr7zGa1OIMSQI6+fqansxFDpARSvR+fck2ItzEcRI7+jONmA4Z3I= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We get a link error when EXPORTFS is not enabled: ERROR: "exportfs_encode_fh" [fs/overlayfs/overlay.ko] undefined! ERROR: "exportfs_decode_fh" [fs/overlayfs/overlay.ko] undefined! This adds a Kconfig 'select' statement for overlayfs, the same way that it is done for the other users of exportfs. Fixes: 3a1e819b4e80 ("ovl: store file handle of lower inode on copy up") Signed-off-by: Arnd Bergmann --- fs/overlayfs/Kconfig | 1 + 1 file changed, 1 insertion(+) -- 2.9.0 diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig index 0daac5112f7a..c0c9683934b7 100644 --- a/fs/overlayfs/Kconfig +++ b/fs/overlayfs/Kconfig @@ -1,5 +1,6 @@ config OVERLAY_FS tristate "Overlay filesystem support" + select EXPORTFS help An overlay filesystem combines two filesystems - an 'upper' filesystem and a 'lower' filesystem. When a name exists in both filesystems, the