diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index d3bd34e..f4e7082 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3657,6 +3657,11 @@
 
 	btrfs_free_block_groups(fs_info);
 
+	/*
+	 * we must make sure there is not any read request to
+	 * submit after we stopping all workers.
+	 */
+	invalidate_inode_pages2(fs_info->btree_inode->i_mapping);
 	btrfs_stop_all_workers(fs_info);
 
 	free_root_pointers(fs_info, 1);