4045 zfs write throttle & i/o scheduler performance work
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>

*** 22,32 ****
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
!  * Copyright (c) 2012 by Delphix. All rights reserved.
   */
  
  /* LINTLIBRARY */
  /* PROTOLIB1 */
  
--- 22,32 ----
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
!  * Copyright (c) 2013 by Delphix. All rights reserved.
   */
  
  /* LINTLIBRARY */
  /* PROTOLIB1 */
  
*** 62,67 ****
  #include <sys/dsl_userhold.h>
  
  extern uint64_t metaslab_gang_bang;
  extern uint64_t metaslab_df_alloc_threshold;
  extern boolean_t zfeature_checks_disable;
! extern uint64_t zfs_deadman_synctime;
--- 62,67 ----
  #include <sys/dsl_userhold.h>
  
  extern uint64_t metaslab_gang_bang;
  extern uint64_t metaslab_df_alloc_threshold;
  extern boolean_t zfeature_checks_disable;
! extern uint64_t zfs_deadman_synctime_ms;