diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 3e5191f..7366488 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3640,6 +3640,7 @@ static void ext4_end_io_buffer_write(struct buffer_head *bh, int uptodate)
 
        io_end->flag = EXT4_IO_END_UNWRITTEN;
        inode = io_end->inode;
+       atomic_inc(&EXT4_I(inode)->i_aiodio_unwritten);
 
        /* Add the io_end to per-inode completed io list*/
        spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags);