4374 dn_free_ranges should use range_tree_t
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>

@@ -18,11 +18,11 @@
  *
  * CDDL HEADER END
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 #ifndef _SYS_DNODE_H
 #define _SYS_DNODE_H
 

@@ -196,11 +196,11 @@
         list_node_t dn_dirty_link[TXG_SIZE];    /* next on dataset's dirty */
 
         /* protected by dn_mtx: */
         kmutex_t dn_mtx;
         list_t dn_dirty_records[TXG_SIZE];
-        avl_tree_t dn_ranges[TXG_SIZE];
+        struct range_tree *dn_free_ranges[TXG_SIZE];
         uint64_t dn_allocated_txg;
         uint64_t dn_free_txg;
         uint64_t dn_assigned_txg;
         kcondvar_t dn_notxholds;
         enum dnode_dirtycontext dn_dirtyctx;

@@ -278,12 +278,10 @@
 void dnode_byteswap(dnode_phys_t *dnp);
 void dnode_buf_byteswap(void *buf, size_t size);
 void dnode_verify(dnode_t *dn);
 int dnode_set_blksz(dnode_t *dn, uint64_t size, int ibs, dmu_tx_t *tx);
 void dnode_free_range(dnode_t *dn, uint64_t off, uint64_t len, dmu_tx_t *tx);
-void dnode_clear_range(dnode_t *dn, uint64_t blkid,
-    uint64_t nblks, dmu_tx_t *tx);
 void dnode_diduse_space(dnode_t *dn, int64_t space);
 void dnode_willuse_space(dnode_t *dn, int64_t space, dmu_tx_t *tx);
 void dnode_new_blkid(dnode_t *dn, uint64_t blkid, dmu_tx_t *tx, boolean_t);
 uint64_t dnode_block_freed(dnode_t *dn, uint64_t blkid);
 void dnode_init(void);