patch-2.3.48 linux/kernel/sysctl.c

• Lines: 146
• Date: Sat Feb 26 20:33:09 2000
• Orig file: v2.3.47/linux/kernel/sysctl.c
• Orig date: Thu Feb 10 17:11:23 2000

diff -u --recursive --new-file v2.3.47/linux/kernel/sysctl.c linux/kernel/sysctl.c
@@ -12,6 +12,8 @@
  *  Horn.
  * Added proc_doulongvec_ms_jiffies_minmax, 09/08/99, Carlos H. Bauer.
  * Added proc_doulongvec_minmax, 09/08/99, Carlos H. Bauer.
+ * Changed linked lists to use list.h instead of lists.h, 02/24/00, Bill
+ *  Wendling.
  */
 
 #include <linux/config.h>
@@ -86,8 +88,7 @@
 
 
 static ctl_table root_table[];
-static struct ctl_table_header root_table_header = 
-	{root_table, DNODE_SINGLE(&root_table_header)};
+static LIST_HEAD(root_table_header);
 
 static ctl_table kern_table[];
 static ctl_table vm_table[];
@@ -115,23 +116,9 @@
 	write:		proc_writesys,
 };
 
-struct inode_operations proc_sys_inode_operations =
+static struct inode_operations proc_sys_inode_operations =
 {
-	&proc_sys_file_operations,
-	NULL,		/* create */
-	NULL,		/* lookup */
-	NULL,		/* link */
-	NULL,		/* unlink */
-	NULL,		/* symlink */
-	NULL,		/* mkdir */
-	NULL,		/* rmdir */
-	NULL,		/* mknod */
-	NULL,		/* rename */
-	NULL,		/* readlink */
-	NULL,		/* follow_link */
-	NULL,		/* truncate */
-	proc_sys_permission, /* permission */
-	NULL		/* revalidate */
+	permission:	proc_sys_permission,
 };
 
 extern struct proc_dir_entry *proc_sys_root;
@@ -305,21 +292,23 @@
 	{0}
 };  
 
+extern void init_irq_proc (void);
 
 void __init sysctl_init(void)
 {
 #ifdef CONFIG_PROC_FS
 	register_proc_table(root_table, proc_sys_root);
+	init_irq_proc();
 #endif
-}
 
+}
 
 int do_sysctl (int *name, int nlen,
 	       void *oldval, size_t *oldlenp,
 	       void *newval, size_t newlen)
 {
 	int error;
-	struct ctl_table_header *tmp;
+	struct list_head *tmp;
 	void *context;
 	
 	if (nlen == 0 || nlen >= CTL_MAXNAME)
@@ -333,17 +322,17 @@
 		if(get_user(old_len, oldlenp))
 			return -EFAULT;
 	}
-	tmp = &root_table_header;
-	do {
+	list_for_each(tmp, &root_table_header) {
+		struct ctl_table_header *head =
+			list_entry(tmp, struct ctl_table_header, ctl_entry);
 		context = NULL;
 		error = parse_table(name, nlen, oldval, oldlenp, 
-				    newval, newlen, tmp->ctl_table, &context);
+				    newval, newlen, head->ctl_table, &context);
 		if (context)
 			kfree(context);
 		if (error != -ENOTDIR)
 			return error;
-		tmp = tmp->DLIST_NEXT(ctl_entry);
-	} while (tmp != &root_table_header);
+	}
 	return -ENOTDIR;
 }
 
@@ -438,7 +427,7 @@
 						   newval, newlen, context);
 			return error;
 		}
-	};
+	}
 	return -ENOTDIR;
 }
 
@@ -495,14 +484,15 @@
 					       int insert_at_head)
 {
 	struct ctl_table_header *tmp;
-	tmp = kmalloc(sizeof(*tmp), GFP_KERNEL);
+	tmp = kmalloc(sizeof(struct ctl_table_header), GFP_KERNEL);
 	if (!tmp)
 		return 0;
-	*tmp = ((struct ctl_table_header) {table, DNODE_NULL});
+	tmp->ctl_table = table;
+	INIT_LIST_HEAD(&tmp->ctl_entry);
 	if (insert_at_head)
-		DLIST_INSERT_AFTER(&root_table_header, tmp, ctl_entry);
+		list_add(&tmp->ctl_entry, &root_table_header);
 	else
-		DLIST_INSERT_BEFORE(&root_table_header, tmp, ctl_entry);
+		list_add_tail(&tmp->ctl_entry, &root_table_header);
 #ifdef CONFIG_PROC_FS
 	register_proc_table(table, proc_sys_root);
 #endif
@@ -514,7 +504,7 @@
  */
 void unregister_sysctl_table(struct ctl_table_header * header)
 {
-	DLIST_DELETE(header, ctl_entry);
+	list_del(&header->ctl_entry);
 #ifdef CONFIG_PROC_FS
 	unregister_proc_table(header->ctl_table, proc_sys_root);
 #endif
@@ -565,9 +555,10 @@
 			if (!de)
 				continue;
 			de->data = (void *) table;
-			if (table->proc_handler)
-				de->ops = &proc_sys_inode_operations;
-
+			if (table->proc_handler) {
+				de->proc_fops = &proc_sys_file_operations;
+				de->proc_iops = &proc_sys_inode_operations;
+			}
 		}
 		table->de = de;
 		if (de->mode & S_IFDIR)