re #13365 rb4427 - pppt "mutex_enter: bad mutex" panic (son of 8564)
re #8564, rb4224 "mutex_enter: bad mutex" panic when under heavy load
re #12375 rb4141 Create ALUA Support on NexentaStor; Failover causes loss of storage

*** 16,28 ****
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2013, Nexenta Systems, Inc. All rights reserved.
   */
  
  #include <sys/cpuvar.h>
  #include <sys/types.h>
  #include <sys/conf.h>
--- 16,29 ----
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
+ 
  /*
   * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #include <sys/cpuvar.h>
  #include <sys/types.h>
  #include <sys/conf.h>
*** 329,339 ****
          task = ptask->pt_stmf_task;
          /* task_port_private reference is a real reference. */
          (void) pppt_task_hold(ptask);
          task->task_port_private = ptask;
          task->task_flags = scmd->icsc_task_flags;
!         task->task_additional_flags = 0;
          task->task_priority = 0;
  
          /*
           * Set task->task_mgmt_function to TM_NONE for a normal SCSI task
           * or one of these values for a task management command:
--- 330,340 ----
          task = ptask->pt_stmf_task;
          /* task_port_private reference is a real reference. */
          (void) pppt_task_hold(ptask);
          task->task_port_private = ptask;
          task->task_flags = scmd->icsc_task_flags;
!         task->task_additional_flags = TASK_AF_PPPT_TASK;
          task->task_priority = 0;
  
          /*
           * Set task->task_mgmt_function to TM_NONE for a normal SCSI task
           * or one of these values for a task management command: