From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: [PATCH] ovl: select EXPORTFS Date: Thu, 11 May 2017 13:34:29 +0200 Message-ID: <20170511113437.2564112-1-arnd@arndb.de> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Miklos Szeredi Cc: Arnd Bergmann , linux-unionfs@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-unionfs@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(+) 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 -- 2.9.0