Start to add zap logger everywhere

internal/zfs/fs.go

@@ -0,0 +1,21 @@
+package zfs
+
+import (
+	"os"
+	"sync"
+
+	"bazil.org/fuse/fs"
+)
+
+type FS struct {
+	uid      uint32
+	gid      uint32
+	umask    os.FileMode
+	directIO bool
+	lock     sync.RWMutex
+}
+
+// Root returns the root path
+func (f *FS) Root() (fs.Node, error) {
+	return nil, nil
+}