struct ctl_table;
struct nsproxy;
struct ctl_table_root;
-
-struct ctl_table_set {
- struct list_head list;
- struct ctl_table_set *parent;
- int (*is_seen)(struct ctl_table_set *);
-};
-
-extern void setup_sysctl_set(struct ctl_table_set *p,
- struct ctl_table_set *parent,
- int (*is_seen)(struct ctl_table_set *));
-
struct ctl_table_header;
-extern void sysctl_head_get(struct ctl_table_header *);
-extern void sysctl_head_put(struct ctl_table_header *);
-extern int sysctl_is_seen(struct ctl_table_header *);
-extern struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *);
-extern struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev);
-extern struct ctl_table_header *__sysctl_head_next(struct nsproxy *namespaces,
- struct ctl_table_header *prev);
-extern void sysctl_head_finish(struct ctl_table_header *prev);
-extern int sysctl_perm(struct ctl_table_root *root,
- struct ctl_table *table, int op);
-
typedef struct ctl_table ctl_table;
typedef int proc_handler (struct ctl_table *ctl, int write,
return (void *)(unsigned long)atomic_read(&poll->event);
}
-void proc_sys_poll_notify(struct ctl_table_poll *poll);
-
#define __CTL_TABLE_POLL_INITIALIZER(name) { \
.event = ATOMIC_INIT(0), \
.wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait) }
const char *procname; /* Text ID for /proc/sys, or zero */
void *data;
int maxlen;
- mode_t mode;
- struct ctl_table *child;
- struct ctl_table *parent; /* Automatically set */
+ umode_t mode;
+ struct ctl_table *child; /* Deprecated */
proc_handler *proc_handler; /* Callback for text formatting */
struct ctl_table_poll *poll;
void *extra1;
void *extra2;
};
-struct ctl_table_root {
- struct list_head root_list;
- struct ctl_table_set default_set;
- struct ctl_table_set *(*lookup)(struct ctl_table_root *root,
- struct nsproxy *namespaces);
- int (*permissions)(struct ctl_table_root *root,
- struct nsproxy *namespaces, struct ctl_table *table);
-};
-
/* struct ctl_table_header is used to maintain dynamic lists of
struct ctl_table trees. */
struct ctl_table_header
struct ctl_table_header *parent;
};
+struct ctl_table_set {
+ struct list_head list;
+ int (*is_seen)(struct ctl_table_set *);
+};
+
+struct ctl_table_root {
+ struct list_head root_list;
+ struct ctl_table_set default_set;
+ struct ctl_table_set *(*lookup)(struct ctl_table_root *root,
+ struct nsproxy *namespaces);
+ int (*permissions)(struct ctl_table_root *root,
+ struct nsproxy *namespaces, struct ctl_table *table);
+};
+
/* struct ctl_path describes where in the hierarchy a table is added */
struct ctl_path {
const char *procname;
};
+#ifdef CONFIG_SYSCTL
+
+void proc_sys_poll_notify(struct ctl_table_poll *poll);
+
+extern void setup_sysctl_set(struct ctl_table_set *p,
+ int (*is_seen)(struct ctl_table_set *));
+extern void retire_sysctl_set(struct ctl_table_set *set);
+
void register_sysctl_root(struct ctl_table_root *root);
+struct ctl_table_header *__register_sysctl_table(
+ struct ctl_table_root *root, struct nsproxy *namespaces,
+ const char *path, struct ctl_table *table);
struct ctl_table_header *__register_sysctl_paths(
struct ctl_table_root *root, struct nsproxy *namespaces,
const struct ctl_path *path, struct ctl_table *table);
struct ctl_table *table);
void unregister_sysctl_table(struct ctl_table_header * table);
-int sysctl_check_table(struct nsproxy *namespaces, struct ctl_table *table);
+
+extern int sysctl_init(void);
+#else /* CONFIG_SYSCTL */
+static inline struct ctl_table_header *register_sysctl_table(struct ctl_table * table)
+{
+ return NULL;
+}
+
+static inline struct ctl_table_header *register_sysctl_paths(
+ const struct ctl_path *path, struct ctl_table *table)
+{
+ return NULL;
+}
+
+static inline void unregister_sysctl_table(struct ctl_table_header * table)
+{
+}
+
+static inline void setup_sysctl_set(struct ctl_table_set *p,
+ int (*is_seen)(struct ctl_table_set *))
+{
+}
+
+#endif /* CONFIG_SYSCTL */
#endif /* __KERNEL__ */