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OpenZFS 7028 - avl_destroy_nodes supports emptying, not just destroying, an avl tree 

Authored by: Eli Rosenthal <eli.rosenthal@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: Gordon Ross <gordon.ross@nexenta.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/7028
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/86f617e
Closes #6583
This commit is contained in:
Eli Rosenthal 2016-06-02 21:06:18 -07:00 committed by Brian Behlendorf
parent de327eccbb
commit 74ea6092d0
1 changed files with 4 additions and 3 deletions
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7
module/avl/avl.c
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@ -24,7 +24,8 @@
*/
/*
* Copyright (c) 2014 by Delphix. All rights reserved.
* Copyright 2015 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2015 by Delphix. All rights reserved.
*/
/*
@ -948,8 +949,8 @@ avl_is_empty(avl_tree_t *tree)
/*
* Post-order tree walk used to visit all tree nodes and destroy the tree
* in post order. This is used for destroying a tree without paying any cost
* for rebalancing it.
* in post order. This is used for removing all the nodes from a tree without
* paying any cost for rebalancing it.
*
* example:
*