OS-1566 dataset quota for ZFS datasets

@@ -19,10 +19,11 @@
  * CDDL HEADER END
  */
 
 /*
  * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2012 Joyent, Inc. All rights reserved.
  */
 
 #ifdef _KERNEL
 #include <sys/systm.h>
 #else

@@ -154,6 +155,9 @@
             "com.delphix:async_destroy", "async_destroy",
             "Destroy filesystems asynchronously.", B_TRUE, B_FALSE, NULL);
         zfeature_register(SPA_FEATURE_EMPTY_BPOBJ,
             "com.delphix:empty_bpobj", "empty_bpobj",
             "Snapshots use less space.", B_TRUE, B_FALSE, NULL);
+        zfeature_register(SPA_FEATURE_DS_SS_QUOTA,
+            "com.joyent:ds_ss_quota", "dataset_quotas",
+            "Dataset and snapshot quotas.", B_TRUE, B_FALSE, NULL);
 }