--- a/fs/mini_fo/file.c
+++ b/fs/mini_fo/file.c
@@ -616,7 +616,7 @@ mini_fo_fsync(file_t *file, dentry_t *de
 #else
 			down(&hidden_dentry->d_inode->i_sem);
 #endif
-			err1 = hidden_file->f_op->fsync(hidden_file, hidden_dentry, datasync);
+			err1 = hidden_file->f_op->fsync(hidden_file, hidden_dentry);
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
 			mutex_unlock(&hidden_dentry->d_inode->i_mutex);
 #else
@@ -633,7 +633,7 @@ mini_fo_fsync(file_t *file, dentry_t *de
 #else
 			down(&hidden_dentry->d_inode->i_sem);
 #endif
-			err2 = hidden_file->f_op->fsync(hidden_file, hidden_dentry, datasync);
+			err2 = hidden_file->f_op->fsync(hidden_file, hidden_dentry);
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
 			mutex_unlock(&hidden_dentry->d_inode->i_mutex);
 #else