diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 79f11af..45baf6c 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -65,19 +65,6 @@
  */
 unsigned int dirtytime_expire_interval = 12 * 60 * 60;
 
-/**
- * writeback_in_progress - determine whether there is writeback in progress
- * @bdi: the device's backing_dev_info structure.
- *
- * Determine whether there is writeback waiting to be handled against a
- * backing device.
- */
-int writeback_in_progress(struct backing_dev_info *bdi)
-{
-	return test_bit(WB_writeback_running, &bdi->wb.state);
-}
-EXPORT_SYMBOL(writeback_in_progress);
-
 static inline struct inode *wb_inode(struct list_head *head)
 {
 	return list_entry(head, struct inode, i_wb_list);
@@ -1532,7 +1519,7 @@
 				  unsigned long nr,
 				  enum wb_reason reason)
 {
-	if (writeback_in_progress(sb->s_bdi))
+	if (writeback_in_progress(&sb->s_bdi->wb))
 		return 1;
 
 	if (!down_read_trylock(&sb->s_umount))