x86: use WARN() in arch/x86/mm/ioremap.c

[linux-2.6] / include / linux / sysctl.h

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 39eafd8f97a3f54936a3b856006633f2dd340053..d0437f36921f803e1bd8be49d1066a7ad1796928 100644 (file)
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -945,11 +945,30 @@ enum
 /* For the /proc/sys support */
 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 *table, int op);
+extern int sysctl_perm(struct ctl_table_root *root,
+               struct ctl_table *table, int op);
 
 typedef struct ctl_table ctl_table;
 
@@ -1046,9 +1065,11 @@ struct ctl_table
 
 struct ctl_table_root {
        struct list_head root_list;
-       struct list_head header_list;
-       struct list_head *(*lookup)(struct ctl_table_root *root,
+       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
@@ -1058,9 +1079,14 @@ struct ctl_table_header
        struct ctl_table *ctl_table;
        struct list_head ctl_entry;
        int used;
+       int count;
        struct completion *unregistering;
        struct ctl_table *ctl_table_arg;
        struct ctl_table_root *root;
+       struct ctl_table_set *set;
+       struct ctl_table *attached_by;
+       struct ctl_table *attached_to;
+       struct ctl_table_header *parent;
 };
 
 /* struct ctl_path describes where in the hierarchy a table is added */