- * by opening ZFS_DEV with O_EXCL. This causes the ZFS driver to do a
- * clone-open, generating a unique minor number. The process then passes
- * along that file descriptor to each ioctl that might have a cleanup operation.
+ * simply by opening ZFS_DEV. This causes the ZFS driver to do create
+ * some private data for the file descriptor and generating a unique
+ * minor number. The process then passes along that file descriptor to
+ * each ioctl that might have a cleanup operation.