add access operation
diff --git a/lib/fuse_lowlevel.c b/lib/fuse_lowlevel.c
index 95882ed..22dc41d 100644
--- a/lib/fuse_lowlevel.c
+++ b/lib/fuse_lowlevel.c
@@ -69,6 +69,7 @@
     case FUSE_READDIR:		return "READDIR";
     case FUSE_RELEASEDIR:	return "RELEASEDIR";
     case FUSE_FSYNCDIR:		return "FSYNCDIR";
+    case FUSE_ACCESS:		return "ACCESS";
     default: 			return "???";
     }
 }
@@ -361,6 +362,15 @@
         fuse_reply_err(req, ENOSYS);
 }
 
+static void do_access(fuse_req_t req, fuse_ino_t nodeid,
+                      struct fuse_access_in *arg)
+{
+    if (req->f->op.access)
+        req->f->op.access(req, nodeid, arg->mask);
+    else
+        fuse_reply_err(req, ENOSYS);
+}
+
 static void do_readlink(fuse_req_t req, fuse_ino_t nodeid)
 {
     if (req->f->op.readlink)
@@ -811,6 +821,10 @@
         do_fsyncdir(req, in->nodeid, (struct fuse_fsync_in *) inarg);
         break;
 
+    case FUSE_ACCESS:
+        do_access(req, in->nodeid, (struct fuse_access_in *) inarg);
+        break;
+
     default:
         fuse_reply_err(req, ENOSYS);
     }