diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index e38b2f69..6edcf83 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3303,6 +3303,15 @@ void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr)
 	}
 }
 
+void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
+								block_t len)
+{
+	block_t i;
+
+	for (i = 0; i < len; i++)
+		f2fs_wait_on_block_writeback(inode, blkaddr + i);
+}
+
 static int read_compacted_summaries(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);