Source: Miklos Szeredi on fuse-devel, Wednesday, 4 July 2018 15:29.
/**
* Check file access permissions
*
- * This will be called for the access() system call. If the
- * 'default_permissions' mount option is given, this method is not
- * called.
+ * This will be called for the access() and chdir() system
+ * calls. If the 'default_permissions' mount option is given,
+ * this method is not called.
*
* This method is not called under Linux kernel versions 2.4.x
*