--- /dev/null
+/*
+ File: linux/posix_acl.h
+
+ (C) 2002 Andreas Gruenbacher, <a.gruenbacher@computer.org>
+*/
+
+
+#ifndef __LINUX_POSIX_ACL_H
+#define __LINUX_POSIX_ACL_H
+
+#include <linux/bug.h>
+#include <linux/slab.h>
+#include <linux/rcupdate.h>
+
+#define ACL_UNDEFINED_ID (-1)
+
+/* a_type field in acl_user_posix_entry_t */
+#define ACL_TYPE_ACCESS (0x8000)
+#define ACL_TYPE_DEFAULT (0x4000)
+
+/* e_tag entry in struct posix_acl_entry */
+#define ACL_USER_OBJ (0x01)
+#define ACL_USER (0x02)
+#define ACL_GROUP_OBJ (0x04)
+#define ACL_GROUP (0x08)
+#define ACL_MASK (0x10)
+#define ACL_OTHER (0x20)
+
+/* permissions in the e_perm field */
+#define ACL_READ (0x04)
+#define ACL_WRITE (0x02)
+#define ACL_EXECUTE (0x01)
+
+struct posix_acl_entry {
+ short e_tag;
+ unsigned short e_perm;
+ union {
+ uid_t e_uid;
+ gid_t e_gid;
+ };
+};
+
+struct posix_acl {
+ struct rcu_head a_rcu;
+ unsigned int a_count;
+ struct posix_acl_entry a_entries[0];
+};
+
+#endif /* __LINUX_POSIX_ACL_H */