[PATCH] (2/7) kdev_t removals

* all remaining callers of sync_inodes() and sync_supers() pass
  NODEV as an argument, so we can make them void(void).  Dead
  code removed.

fs/buffer.c

@@ -368,9 +368,9 @@ asmlinkage long sys_sync(void)
 	sync_buffers(NODEV, 0);
 
 	lock_kernel();
-	sync_inodes(NODEV);
+	sync_inodes();
 	DQUOT_SYNC(NULL);
-	sync_supers(NODEV);
+	sync_supers();
 	unlock_kernel();
 
 	sync_buffers(NODEV, 1);
@@ -2617,7 +2617,7 @@ static int sync_old_buffers(void)
 {
 	lock_kernel();
 	sync_unlocked_inodes();
-	sync_supers(NODEV);
+	sync_supers();
 	unlock_kernel();
 
 	for (;;) {

fs/inode.c

@@ -419,24 +419,16 @@ static struct super_block *get_super_to_sync(void)
  *	writes them out, and puts them back on the normal list.
  */
 
-void sync_inodes(kdev_t dev)
+void sync_inodes(void)
 {
 	struct super_block * s;
-
 	/*
 	 * Search the super_blocks array for the device(s) to sync.
 	 */
-	if (!kdev_none(dev)) {
-		if ((s = get_super(dev)) != NULL) {
-			sync_inodes_sb(s);
-			drop_super(s);
-		}
-	} else {
 	while ((s = get_super_to_sync()) != NULL) {
 		sync_inodes_sb(s);
 		drop_super(s);
 	}
-	}
 }
 
 static void try_to_sync_unused_inodes(void * arg)

fs/super.c

@@ -499,19 +499,9 @@ static inline void write_super(struct super_block *sb)
  * hold up the sync while mounting a device. (The newly
  * mounted device won't need syncing.)
  */
-void sync_supers(kdev_t dev)
+void sync_supers(void)
 {
 	struct super_block * sb;
-
-	if (!kdev_none(dev)) {
-		sb = get_super(dev);
-		if (sb) {
-			if (sb->s_dirt)
-				write_super(sb);
-			drop_super(sb);
-		}
-		return;
-	}
 restart:
 	spin_lock(&sb_lock);
 	sb = sb_entry(super_blocks.next);

include/linux/fs.h

@@ -1212,7 +1212,7 @@ extern void invalidate_inode_buffers(struct inode *);
 #define destroy_buffers(dev)	__invalidate_buffers((dev), 1)
 extern void invalidate_bdev(struct block_device *, int);
 extern void __invalidate_buffers(kdev_t dev, int);
-extern void sync_inodes(kdev_t);
+extern void sync_inodes(void);
 extern void sync_unlocked_inodes(void);
 extern void write_inode_now(struct inode *, int);
 extern int sync_buffers(kdev_t, int);
@@ -1234,7 +1234,7 @@ static inline int fsync_inode_data_buffers(struct inode *inode)
 extern int inode_has_buffers(struct inode *);
 extern int filemap_fdatasync(struct address_space *);
 extern int filemap_fdatawait(struct address_space *);
-extern void sync_supers(kdev_t);
+extern void sync_supers(void);
 extern int bmap(struct inode *, int);
 extern int notify_change(struct dentry *, struct iattr *);
 extern int permission(struct inode *, int);