NEX-5795 Rename 'wrc' as 'wbc' in the source and in the tech docs
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
re #12585 rb4049 ZFS++ work port - refactoring to improve separation of open/closed code, bug fixes, performance improvements - open code
Bug 11205: add missing libzfs_closed_stubs.c to fix opensource-only build.
ZFS plus work: special vdevs, cos, cos/vdev properties

*** 19,28 ****
--- 19,29 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
   */
  /*
   * Copyright (c) 2012, 2016 by Delphix. All rights reserved.
   */
  
*** 65,86 ****
          list_t tx_callbacks;
  
          /* placeholder for syncing context, doesn't need specific holds */
          boolean_t tx_anyobj;
  
          /* transaction is marked as being a "net free" of space */
          boolean_t tx_netfree;
  
          /* time this transaction was created */
          hrtime_t tx_start;
  
          /* need to wait for sufficient dirty space */
          boolean_t tx_wait_dirty;
  
-         /* has this transaction already been delayed? */
-         boolean_t tx_dirty_delayed;
- 
          int tx_err;
  };
  
  enum dmu_tx_hold_type {
          THT_NEWOBJECT,
--- 66,87 ----
          list_t tx_callbacks;
  
          /* placeholder for syncing context, doesn't need specific holds */
          boolean_t tx_anyobj;
  
+         /* has this transaction already been delayed? */
+         boolean_t tx_waited;
+ 
          /* transaction is marked as being a "net free" of space */
          boolean_t tx_netfree;
  
          /* time this transaction was created */
          hrtime_t tx_start;
  
          /* need to wait for sufficient dirty space */
          boolean_t tx_wait_dirty;
  
          int tx_err;
  };
  
  enum dmu_tx_hold_type {
          THT_NEWOBJECT,
*** 112,122 ****
  
  /*
   * These routines are defined in dmu.h, and are called by the user.
   */
  dmu_tx_t *dmu_tx_create(objset_t *dd);
! int dmu_tx_assign(dmu_tx_t *tx, uint64_t txg_how);
  void dmu_tx_commit(dmu_tx_t *tx);
  void dmu_tx_abort(dmu_tx_t *tx);
  uint64_t dmu_tx_get_txg(dmu_tx_t *tx);
  struct dsl_pool *dmu_tx_pool(dmu_tx_t *tx);
  void dmu_tx_wait(dmu_tx_t *tx);
--- 113,123 ----
  
  /*
   * These routines are defined in dmu.h, and are called by the user.
   */
  dmu_tx_t *dmu_tx_create(objset_t *dd);
! int dmu_tx_assign(dmu_tx_t *tx, txg_how_t txg_how);
  void dmu_tx_commit(dmu_tx_t *tx);
  void dmu_tx_abort(dmu_tx_t *tx);
  uint64_t dmu_tx_get_txg(dmu_tx_t *tx);
  struct dsl_pool *dmu_tx_pool(dmu_tx_t *tx);
  void dmu_tx_wait(dmu_tx_t *tx);