proc: move /proc/diskstats boilerplate to block/genhd.c

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

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 956264d..39d471d 100644 (file)
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -961,6 +961,7 @@ 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,
@@ -971,7 +972,7 @@ extern int sysctl_perm(struct ctl_table_root *root,
 
 typedef struct ctl_table ctl_table;
 
-typedef int ctl_handler (struct ctl_table *table, int __user *name, int nlen,
+typedef int ctl_handler (struct ctl_table *table,
                         void __user *oldval, size_t __user *oldlenp,
                         void __user *newval, size_t newlen);
 
@@ -1083,6 +1084,9 @@ struct ctl_table_header
        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 */