4185 New hash algorithm support

@@ -165,6 +165,15 @@
             "com.joyent:multi_vdev_crash_dump", "multi_vdev_crash_dump",
             "Crash dumps to multiple vdev pools.", B_FALSE, B_FALSE, NULL);
         zfeature_register(SPA_FEATURE_SPACEMAP_HISTOGRAM,
             "com.delphix:spacemap_histogram", "spacemap_histogram",
             "Spacemaps maintain space histograms.", B_TRUE, B_FALSE, NULL);
+        zfeature_register(SPA_FEATURE_SHA512,
+            "org.illumos:sha512", "sha512",
+            "SHA-512/256 truncated hash algorithm.", B_FALSE, B_FALSE, NULL);
+        zfeature_register(SPA_FEATURE_SKEIN,
+            "org.illumos:skein", "skein",
+            "Skein hash algorithm.", B_FALSE, B_FALSE, NULL);
+        zfeature_register(SPA_FEATURE_EDONR,
+            "org.illumos:edonr", "edonr",
+            "Edon-R hash algorithm.", B_FALSE, B_FALSE, NULL);
 }