Finally... Import the latest open-source ZFS version - (SPA) 28.

Few new things available from now on:

- Data deduplication.
- Triple parity RAIDZ (RAIDZ3).
- zfs diff.
- zpool split.
- Snapshot holds.
- zpool import -F. Allows to rewind corrupted pool to earlier
  transaction group.
- Possibility to import pool in read-only mode.

MFC after:	1 month

1 files changed, 14 insertions, 8 deletions

diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h
index c77b77205490..583d6303bd5a 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h
@@ -19,8 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
 #ifndef _SYS_METASLAB_H
@@ -36,9 +35,6 @@
 extern "C" {
 #endif
 
-typedef struct metaslab_class metaslab_class_t;
-typedef struct metaslab_group metaslab_group_t;
-
 extern space_map_ops_t *zfs_metaslab_ops;
 
 extern metaslab_t *metaslab_init(metaslab_group_t *mg, space_map_obj_t *smo,
@@ -58,14 +54,24 @@ extern void metaslab_free(spa_t *spa, const blkptr_t *bp, uint64_t txg,
     boolean_t now);
 extern int metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg);
 
-extern metaslab_class_t *metaslab_class_create(space_map_ops_t *ops);
+extern metaslab_class_t *metaslab_class_create(spa_t *spa,
+    space_map_ops_t *ops);
 extern void metaslab_class_destroy(metaslab_class_t *mc);
-extern void metaslab_class_add(metaslab_class_t *mc, metaslab_group_t *mg);
-extern void metaslab_class_remove(metaslab_class_t *mc, metaslab_group_t *mg);
+extern int metaslab_class_validate(metaslab_class_t *mc);
+
+extern void metaslab_class_space_update(metaslab_class_t *mc,
+    int64_t alloc_delta, int64_t defer_delta,
+    int64_t space_delta, int64_t dspace_delta);
+extern uint64_t metaslab_class_get_alloc(metaslab_class_t *mc);
+extern uint64_t metaslab_class_get_space(metaslab_class_t *mc);
+extern uint64_t metaslab_class_get_dspace(metaslab_class_t *mc);
+extern uint64_t metaslab_class_get_deferred(metaslab_class_t *mc);
 
 extern metaslab_group_t *metaslab_group_create(metaslab_class_t *mc,
     vdev_t *vd);
 extern void metaslab_group_destroy(metaslab_group_t *mg);
+extern void metaslab_group_activate(metaslab_group_t *mg);
+extern void metaslab_group_passivate(metaslab_group_t *mg);
 
 #ifdef	__cplusplus
 }