From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752481AbaENVfS (ORCPT ); Wed, 14 May 2014 17:35:18 -0400 Received: from mail-oa0-f47.google.com ([209.85.219.47]:51019 "EHLO mail-oa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751243AbaENVfO (ORCPT ); Wed, 14 May 2014 17:35:14 -0400 From: Seth Forshee To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Jens Axboe , Arnd Bergmann , Eric Biederman , Serge Hallyn , lxc-devel@lists.linuxcontainers.org, Seth Forshee Subject: [RFC PATCH 03/11] tmpfs: Add sub-filesystem data pointer to shmem_sb_info Date: Wed, 14 May 2014 16:34:51 -0500 Message-Id: <1400103299-144589-4-git-send-email-seth.forshee@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1400103299-144589-1-git-send-email-seth.forshee@canonical.com> References: <1400103299-144589-1-git-send-email-seth.forshee@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org devtmpfs is built on top of tmpfs but also needs to store some data of its own. Add a sub_fs_data pointer to struct shmem_sb_info for this purpose. Signed-off-by: Seth Forshee --- include/linux/shmem_fs.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index 4d1771c2d29f..7e2c33a0c73a 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -33,6 +33,7 @@ struct shmem_sb_info { kgid_t gid; /* Mount gid for root directory */ umode_t mode; /* Mount mode for root directory */ struct mempolicy *mpol; /* default memory policy for mappings */ + void *sub_fs_data; /* data for other shmem-based fses */ }; static inline struct shmem_inode_info *SHMEM_I(struct inode *inode) -- 1.9.1