f2fs: clean up f2fs_balance_fs

This patch adds one parameter to clean up all the callers of f2fs_balance_fs.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 5ffbd16..c3f0b7d 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -200,8 +200,7 @@
 
 	f2fs_put_page(page, 1);
 
-	if (dn.node_changed)
-		f2fs_balance_fs(sbi);
+	f2fs_balance_fs(sbi, dn.node_changed);
 
 	return err;
 }