sysctl: Remove the last of the generic binary sysctl support

Now that all of the users stopped using ctl_name and strategy it
is safe to remove the fields from struct ctl_table, and it is safe
to remove the stub strategy routines as well.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

include/linux/sysctl.h

@@ -1033,15 +1033,13 @@ extern ctl_handler sysctl_ms_jiffies;
 /* A sysctl table is an array of struct ctl_table: */
 struct ctl_table 
 {
-	int ctl_name;			/* Binary ID */
 	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 */
 	proc_handler *proc_handler;	/* Callback for text formatting */
-	ctl_handler *strategy;		/* Callback function for all r/w */
 	void *extra1;
 	void *extra2;
 };
@@ -1075,7 +1073,6 @@ struct ctl_table_header
 /* struct ctl_path describes where in the hierarchy a table is added */
 struct ctl_path {
 	const char *procname;
-	int ctl_name;
 };
 
 void register_sysctl_root(struct ctl_table_root *root);

kernel/sysctl.c

@@ -1699,8 +1699,6 @@ static void try_attach(struct ctl_table_header *p, struct ctl_table_header *q)
  *
  * The members of the &struct ctl_table structure are used as follows:
  *
- * ctl_name - Dead
- *
  * procname - the name of the sysctl file under /proc/sys. Set to %NULL to not
  *            enter a sysctl file
  *
@@ -1715,8 +1713,6 @@ static void try_attach(struct ctl_table_header *p, struct ctl_table_header *q)
  *
  * proc_handler - the text handler routine (described below)
  *
- * strategy - Dead
- *
  * de - for internal use by the sysctl routines
  *
  * extra1, extra2 - extra pointers usable by the proc handler routines
@@ -2639,41 +2635,6 @@ int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
 
 #endif /* CONFIG_PROC_FS */
 
-int sysctl_data(struct ctl_table *table,
-		  void __user *oldval, size_t __user *oldlenp,
-		  void __user *newval, size_t newlen)
-{
-	return -ENOSYS;
-}
-
-int sysctl_string(struct ctl_table *table,
-		  void __user *oldval, size_t __user *oldlenp,
-		  void __user *newval, size_t newlen)
-{
-	return -ENOSYS;
-}
-
-int sysctl_intvec(struct ctl_table *table,
-		void __user *oldval, size_t __user *oldlenp,
-		void __user *newval, size_t newlen)
-{
-	return -ENOSYS;
-}
-
-int sysctl_jiffies(struct ctl_table *table,
-		void __user *oldval, size_t __user *oldlenp,
-		void __user *newval, size_t newlen)
-{
-	return -ENOSYS;
-}
-
-int sysctl_ms_jiffies(struct ctl_table *table,
-		void __user *oldval, size_t __user *oldlenp,
-		void __user *newval, size_t newlen)
-{
-	return -ENOSYS;
-}
-
 /*
  * No sense putting this after each symbol definition, twice,
  * exception granted :-)
@@ -2688,9 +2649,4 @@ EXPORT_SYMBOL(proc_doulongvec_minmax);
 EXPORT_SYMBOL(proc_doulongvec_ms_jiffies_minmax);
 EXPORT_SYMBOL(register_sysctl_table);
 EXPORT_SYMBOL(register_sysctl_paths);
-EXPORT_SYMBOL(sysctl_intvec);
-EXPORT_SYMBOL(sysctl_jiffies);
-EXPORT_SYMBOL(sysctl_ms_jiffies);
-EXPORT_SYMBOL(sysctl_string);
-EXPORT_SYMBOL(sysctl_data);
 EXPORT_SYMBOL(unregister_sysctl_table);