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-rw-r--r--include/linux/namei.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/namei.h b/include/linux/namei.h
index edb4562b5c4e..d2a98083be77 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -2,6 +2,7 @@
#ifndef _LINUX_NAMEI_H
#define _LINUX_NAMEI_H
+#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/path.h>
#include <linux/fcntl.h>
@@ -43,6 +44,9 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
#define LOOKUP_NO_SYMLINKS 0x010000 /* No symlink crossing. */
#define LOOKUP_NO_MAGICLINKS 0x020000 /* No nd_jump_link() crossing. */
#define LOOKUP_NO_XDEV 0x040000 /* No mountpoint crossing. */
+#define LOOKUP_BENEATH 0x080000 /* No escaping from starting point. */
+/* LOOKUP_* flags which do scope-related checks based on the dirfd. */
+#define LOOKUP_IS_SCOPED LOOKUP_BENEATH
extern int path_pts(struct path *path);