Add cgo tag to btrfs plugin

zhsj · zhsj · commit 074873c68e05 · 2021-01-23T02:42:57.000+08:00
btrfs plugin needs CGO support. However on riscv64, cgo
is only support on go1.16 (not released yet).
Instead of setting no_btrfs manually, adding a cgo tag tells
the compiler to skip it automatically.

Signed-off-by: Shengjing Zhu &lt;zhsj@debian.org&gt;
diff --git a/cmd/containerd/builtins_btrfs_linux.go b/cmd/containerd/builtins_btrfs_linux.go
@@ -1,4 +1,4 @@
-// +build !no_btrfs
+// +build !no_btrfs,cgo
 
 /*
    Copyright The containerd Authors.
diff --git a/snapshots/btrfs/btrfs.go b/snapshots/btrfs/btrfs.go
@@ -1,4 +1,4 @@
-// +build linux,!no_btrfs
+// +build linux,!no_btrfs,cgo
 
 /*
    Copyright The containerd Authors.
diff --git a/snapshots/btrfs/btrfs_test.go b/snapshots/btrfs/btrfs_test.go
@@ -1,4 +1,4 @@
-// +build linux,!no_btrfs
+// +build linux,!no_btrfs,cgo
 
 /*
    Copyright The containerd Authors.
diff --git a/snapshots/btrfs/plugin/plugin.go b/snapshots/btrfs/plugin/plugin.go
@@ -1,4 +1,4 @@
-// +build linux,!no_btrfs
+// +build linux,!no_btrfs,cgo
 
 /*
    Copyright The containerd Authors.

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// +build !no_btrfs`
	`1`	`+// +build !no_btrfs,cgo`
`2`	`2`
`3`	`3`	`/*`
`4`	`4`	`Copyright The containerd Authors.`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// +build linux,!no_btrfs`
	`1`	`+// +build linux,!no_btrfs,cgo`
`2`	`2`
`3`	`3`	`/*`
`4`	`4`	`Copyright The containerd Authors.`