cmount: use atomic types

cmd/cmount/fs.go

@@ -30,7 +30,7 @@ type FS struct {
 	ready     chan (struct{})
 	mu        sync.Mutex // to protect the below
 	handles   []vfs.Handle
-	destroyed int32 // read/write with sync/atomic
+	destroyed atomic.Int32
 }
 
 // NewFS makes a new FS
@@ -190,7 +190,7 @@ func (fsys *FS) Init() {
 // Destroy call).
 func (fsys *FS) Destroy() {
 	defer log.Trace(fsys.f, "")("")
-	atomic.StoreInt32(&fsys.destroyed, 1)
+	fsys.destroyed.Store(1)
 }
 
 // Getattr reads the attributes for path

cmd/cmount/mount.go

@@ -13,7 +13,6 @@ import (
 	"os"
 	"runtime"
 	"strings"
-	"sync/atomic"
 	"time"
 
 	"github.com/rclone/rclone/cmd/mountlib"
@@ -192,7 +191,7 @@ func mount(VFS *vfs.VFS, mountPath string, opt *mountlib.Options) (<-chan error,
 		// Shutdown the VFS
 		fsys.VFS.Shutdown()
 		var umountOK bool
-		if atomic.LoadInt32(&fsys.destroyed) != 0 {
+		if fsys.destroyed.Load() != 0 {
 			fs.Debugf(nil, "Not calling host.Unmount as mount already Destroyed")
 			umountOK = true
 		} else if atexit.Signalled() {