Illumos #2619 and #2747

[zfs.git] / include / sys / dsl_dataset.h

diff --git a/include/sys/dsl_dataset.h b/include/sys/dsl_dataset.h
index 38ce3c5..547951c 100644 (file)
--- a/include/sys/dsl_dataset.h
+++ b/include/sys/dsl_dataset.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011 by Delphix. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
@@ -86,7 +86,12 @@ typedef struct dsl_dataset_phys {
        uint64_t ds_creation_time;      /* seconds since 1970 */
        uint64_t ds_creation_txg;
        uint64_t ds_deadlist_obj;       /* DMU_OT_DEADLIST */
-       uint64_t ds_used_bytes;
+       /*
+        * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes
+        * include all blocks referenced by this dataset, including those
+        * shared with any other datasets.
+        */
+       uint64_t ds_referenced_bytes;
        uint64_t ds_compressed_bytes;
        uint64_t ds_uncompressed_bytes;
        uint64_t ds_unique_bytes;       /* only relevant to snapshots */