[PATCH 22/22][RFC] Unionfs: Include file

Josef Sipek
2006-09-01T02:02:34Z

From: Josef "Jeff" Sipek <jsipek@cs.sunysb.edu>

Global include file - can be included from userspace by utilities.

Signed-off-by: Josef "Jeff" Sipek <jsipek@cs.sunysb.edu>
Signed-off-by: David Quigley <dquigley@fsl.cs.sunysb.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

---

include/linux/union_fs.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff -Nur -x linux-2.6-git/Documentation/dontdiff linux-2.6-git/include/linux/union_fs.h linux-2.6-git-unionfs/include/linux/union_fs.h
--- linux-2.6-git/include/linux/union_fs.h 1969-12-31 19:00:00.000000000 -0500
+++ linux-2.6-git-unionfs/include/linux/union_fs.h 2006-08-31 19:04:04.000000000 -0400
@@ -0,0 +1,20 @@
+#ifndef _LINUX_UNION_FS_H
+#define _LINUX_UNION_FS_H
+
+#define UNIONFS_VERSION "2.0"
+/*
+ * DEFINITIONS FOR USER AND KERNEL CODE:
+ * (Note: ioctl numbers 1--9 are reserved for fistgen, the rest
+ * are auto-generated automatically based on the user's .fist file.)
+ */
+# 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 */
+