enable native (formerly naive) snapshotter by default

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>

cmd/containerd/builtins_linux.go

@@ -20,6 +20,7 @@ import (
 	_ "github.com/containerd/aufs"
 	_ "github.com/containerd/containerd/linux"
 	_ "github.com/containerd/containerd/metrics/cgroups"
+	_ "github.com/containerd/containerd/snapshots/native"
 	_ "github.com/containerd/containerd/snapshots/overlay"
 	_ "github.com/containerd/zfs"
 )

cmd/containerd/builtins_unix.go

@@ -19,5 +19,5 @@
 package main
 
 import (
-	_ "github.com/containerd/containerd/snapshots/naive"
+	_ "github.com/containerd/containerd/snapshots/native"
 )