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>
NEX-4476 WRC: Allow to use write back cache per tree of datasets
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
4206 history_003_pos relies on exact size of history log and entries
4207 history_008_pos depends on obsolete internal history log message
4208 Typo in zfs_main.c: "posxiuser"
4209 Populate zfstest with the remainder of the STF tests
Reviewed by: Sonu Pillai <sonu.pillai@delphix.com>
Reviewed by: Will Guyette <will.guyette@delphix.com>
Reviewed by: Eric Diven <eric.diven@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

*** 25,34 ****
--- 25,35 ----
  # Use is subject to license terms.
  #
  
  #
  # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
+ # Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
  #
  
  . $STF_SUITE/tests/functional/rsend/rsend.kshlib
  
  #
*** 52,71 ****
          typeset value=$(random_get $@)
  
          log_must eval "zfs set $prop='$value' $dtst"
  }
  
  function edited_prop
  {
          typeset behaviour=$1
          typeset ds=$2
          typeset backfile=$TESTDIR/edited_prop_$ds
  
          case $behaviour in
                  "get")
                          typeset props=$(zfs inherit 2>&1 | \
!                                 awk '$2=="YES" {print $1}' | \
                                  egrep -v "^vol|\.\.\.$")
                          for item in $props ; do
                                  if [[ $item == "mlslabel" ]] && \
                                          ! is_te_enabled ; then
                                          continue
--- 53,78 ----
          typeset value=$(random_get $@)
  
          log_must eval "zfs set $prop='$value' $dtst"
  }
  
+ #
+ # 'wbc_mode' is skipped, because the tested pools do not have 
+ # 'special' vdev, so the setting of this property will cause
+ # test-fail
+ #
  function edited_prop
  {
          typeset behaviour=$1
          typeset ds=$2
          typeset backfile=$TESTDIR/edited_prop_$ds
  
          case $behaviour in
                  "get")
                          typeset props=$(zfs inherit 2>&1 | \
!                                 awk '$2=="YES" {print $1}' |
!                                 egrep -v "^wbc_mode" | \
                                  egrep -v "^vol|\.\.\.$")
                          for item in $props ; do
                                  if [[ $item == "mlslabel" ]] && \
                                          ! is_te_enabled ; then
                                          continue