[PATCH] beginning of the shared-subtree proper
A private mount does not forward or receive propagation. This patch
provides user the ability to convert any mount to private.
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/mount.h b/include/linux/mount.h
index ffb0b50..8eadd3b 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -17,12 +17,12 @@
#include <linux/spinlock.h>
#include <asm/atomic.h>
-#define MNT_NOSUID 1
-#define MNT_NODEV 2
-#define MNT_NOEXEC 4
+#define MNT_NOSUID 0x01
+#define MNT_NODEV 0x02
+#define MNT_NOEXEC 0x04
+#define MNT_PNODE_MASK 0x30 /* propogation flag mask */
-struct vfsmount
-{
+struct vfsmount {
struct list_head mnt_hash;
struct vfsmount *mnt_parent; /* fs we are mounted on */
struct dentry *mnt_mountpoint; /* dentry of mountpoint */