diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index d33d6bde992b..b9909efe778c 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -40,7 +40,10 @@ static int bfs_move_block(unsigned long from, unsigned long to,
        if (!bh)
                return -EIO;
        new = sb_getblk(sb, to);
+       lock_buffer(new);
        memcpy(new->b_data, bh->b_data, bh->b_size);
+       set_buffer_uptodate(new);
+       unlock_buffer(new);
        mark_buffer_dirty(new);
        bforget(bh);
        brelse(new);