diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index c8231677c79e..bdb0f7c70752 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -234,7 +234,7 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans,
 	if (args->drop_cache)
 		btrfs_drop_extent_map_range(inode, args->start, args->end - 1, false);
 
-	if (args->start >= inode->disk_i_size && !args->replace_extent)
+	if (data_race(args->start >= inode->disk_i_size) && !args->replace_extent)
 		modify_tree = 0;
 
 	update_refs = (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID);