From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Josef 'Jeff' Sipek" Subject: [PATCH 21/24] Unionfs: Include file Date: Sun, 7 Jan 2007 23:13:13 -0500 Message-ID: <11682295992855-git-send-email-jsipek@cs.sunysb.edu> References: <1168229596580-git-send-email-jsipek@cs.sunysb.edu> Cc: linux-fsdevel@vger.kernel.org, hch@infradead.org, viro@ftp.linux.org.uk, torvalds@osdl.org, akpm@osdl.org, mhalcrow@us.ibm.com, Josef "Jeff" Sipek , David Quigley , Erez Zadok Return-path: Received: from filer.fsl.cs.sunysb.edu ([130.245.126.2]:50266 "EHLO filer.fsl.cs.sunysb.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030490AbXAHEQd (ORCPT ); Sun, 7 Jan 2007 23:16:33 -0500 To: linux-kernel@vger.kernel.org In-Reply-To: <1168229596580-git-send-email-jsipek@cs.sunysb.edu> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org From: Josef "Jeff" Sipek Global include file - can be included from userspace by utilities. Signed-off-by: Josef "Jeff" Sipek Signed-off-by: David Quigley Signed-off-by: Erez Zadok --- include/linux/magic.h | 2 ++ include/linux/union_fs.h | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+), 0 deletions(-) diff --git a/include/linux/magic.h b/include/linux/magic.h index b78bbf4..ab4261c 100644 --- a/include/linux/magic.h +++ b/include/linux/magic.h @@ -33,6 +33,8 @@ #define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs" #define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs" +#define UNIONFS_SUPER_MAGIC 0xf15f083d + #define SMB_SUPER_MAGIC 0x517B #define USBDEVICE_SUPER_MAGIC 0x9fa2 diff --git a/include/linux/union_fs.h b/include/linux/union_fs.h new file mode 100644 index 0000000..b724031 --- /dev/null +++ b/include/linux/union_fs.h @@ -0,0 +1,18 @@ +#ifndef _LINUX_UNION_FS_H +#define _LINUX_UNION_FS_H + +#define UNIONFS_VERSION "2.0" +/* + * DEFINITIONS FOR USER AND KERNEL CODE: + */ +# define UNIONFS_IOCTL_INCGEN _IOR(0x15, 11, int) +# define UNIONFS_IOCTL_QUERYFILE _IOR(0x15, 15, int) + +/* We don't support normal remount, but unionctl uses it. */ +# define UNIONFS_REMOUNT_MAGIC 0x4a5a4380 + +/* should be at least LAST_USED_UNIONFS_PERMISSION<<1 */ +#define MAY_NFSRO 16 + +#endif /* _LINUX_UNIONFS_H */ + -- 1.4.4.2