@@ -396,9 +396,9 @@ func getDirFd(dir *C.DIR) uintptr {

 	return uintptr(C.dirfd(dir))

 }

-// Get the backing block device of the driver home directory

-// and create a block device node under the home directory

-// to be used by quotactl commands

+// makeBackingFsDev gets the backing block device of the driver home directory

+// and creates a block device node under the home directory to be used by

+// quotactl commands.

 func makeBackingFsDev(home string) (string, error) {

 	var stat unix.Stat_t

 	if err := unix.Stat(home, &stat); err != nil {

@@ -1,4 +1,4 @@

-// +build linux

+// +build linux,!exclude_disk_quota,cgo

 package quota // import "github.com/docker/docker/quota"