summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/include/linux/user_namespace.h
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/include/linux/user_namespace.h')
-rw-r--r--ANDROID_3.4.5/include/linux/user_namespace.h71
1 files changed, 0 insertions, 71 deletions
diff --git a/ANDROID_3.4.5/include/linux/user_namespace.h b/ANDROID_3.4.5/include/linux/user_namespace.h
deleted file mode 100644
index faf46794..00000000
--- a/ANDROID_3.4.5/include/linux/user_namespace.h
+++ /dev/null
@@ -1,71 +0,0 @@
-#ifndef _LINUX_USER_NAMESPACE_H
-#define _LINUX_USER_NAMESPACE_H
-
-#include <linux/kref.h>
-#include <linux/nsproxy.h>
-#include <linux/sched.h>
-#include <linux/err.h>
-
-#define UIDHASH_BITS (CONFIG_BASE_SMALL ? 3 : 7)
-#define UIDHASH_SZ (1 << UIDHASH_BITS)
-
-struct user_namespace {
- struct kref kref;
- struct hlist_head uidhash_table[UIDHASH_SZ];
- struct user_struct *creator;
- struct work_struct destroyer;
-};
-
-extern struct user_namespace init_user_ns;
-
-#ifdef CONFIG_USER_NS
-
-static inline struct user_namespace *get_user_ns(struct user_namespace *ns)
-{
- if (ns)
- kref_get(&ns->kref);
- return ns;
-}
-
-extern int create_user_ns(struct cred *new);
-extern void free_user_ns(struct kref *kref);
-
-static inline void put_user_ns(struct user_namespace *ns)
-{
- if (ns)
- kref_put(&ns->kref, free_user_ns);
-}
-
-uid_t user_ns_map_uid(struct user_namespace *to, const struct cred *cred, uid_t uid);
-gid_t user_ns_map_gid(struct user_namespace *to, const struct cred *cred, gid_t gid);
-
-#else
-
-static inline struct user_namespace *get_user_ns(struct user_namespace *ns)
-{
- return &init_user_ns;
-}
-
-static inline int create_user_ns(struct cred *new)
-{
- return -EINVAL;
-}
-
-static inline void put_user_ns(struct user_namespace *ns)
-{
-}
-
-static inline uid_t user_ns_map_uid(struct user_namespace *to,
- const struct cred *cred, uid_t uid)
-{
- return uid;
-}
-static inline gid_t user_ns_map_gid(struct user_namespace *to,
- const struct cred *cred, gid_t gid)
-{
- return gid;
-}
-
-#endif
-
-#endif /* _LINUX_USER_H */