Set up golangci-lint config and fix 2 files

Signed-off-by: Phil Estes <estesp@amazon.com>

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.16.2
+          go-version: 1.16.x
 
       - name: Set env
         shell: bash
@@ -40,7 +40,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [1.16.2]
+        go-version: [1.16.x]
         os: [ubuntu-18.04]
 
     steps:
@@ -71,7 +71,7 @@ jobs:
 
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.16.2
+          go-version: 1.16.x
 
       - name: Set env
         shell: bash
@@ -80,6 +80,6 @@ jobs:
           echo "${{ github.workspace }}/bin" >> $GITHUB_PATH
 
       - run: |
-          go test -v -race -covermode=atomic -coverprofile=coverage.txt ./...
+          go test -v -race -covermode=atomic -coverprofile=coverage.txt -test.root -exec "sudo -n"  ./...
           bash <(curl -s https://codecov.io/bash)
         working-directory: src/github.com/containerd/aufs

.golangci.yml

@@ -0,0 +1,22 @@
+linters:
+  enable:
+    - structcheck
+    - varcheck
+    - staticcheck
+    - unconvert
+    - gofmt
+    - goimports
+    - golint
+    - ineffassign
+    - vet
+    - unused
+    - misspell
+  disable:
+    - errcheck
+
+issues:
+  include:
+    - EXC0002
+
+run:
+  timeout: 2m

aufs.go

@@ -38,7 +38,6 @@ import (
 	"github.com/pkg/errors"
 )
 
-
 var (
 	dirperm        sync.Once
 	dirpermEnabled bool

plugin/plugin.go

@@ -23,7 +23,6 @@ import (
 	"github.com/pkg/errors"
 )
 
-
 // Config represents configuration for the zfs plugin
 type Config struct {
 	// Root directory for the plugin