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>

*** 18,28 ****
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2012 by Delphix. All rights reserved.
   */
  
  #ifndef _SYS_SA_IMPL_H
  #define _SYS_SA_IMPL_H
  
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2013 by Delphix. All rights reserved.
   */
  
  #ifndef _SYS_SA_IMPL_H
  #define _SYS_SA_IMPL_H
  
*** 151,166 ****
  /*
   * header for all bonus and spill buffers.
   *
   * The header has a fixed portion with a variable number
   * of "lengths" depending on the number of variable sized
!  * attribues which are determined by the "layout number"
   */
  
  #define SA_MAGIC        0x2F505A  /* ZFS SA */
  typedef struct sa_hdr_phys {
          uint32_t sa_magic;
          /*
           * Encoded with hdrsize and layout number as follows:
           * 16      10       0
           * +--------+-------+
           * | hdrsz  |layout |
--- 151,167 ----
  /*
   * header for all bonus and spill buffers.
   *
   * The header has a fixed portion with a variable number
   * of "lengths" depending on the number of variable sized
!  * attributes which are determined by the "layout number"
   */
  
  #define SA_MAGIC        0x2F505A  /* ZFS SA */
  typedef struct sa_hdr_phys {
          uint32_t sa_magic;
+         /* BEGIN CSTYLED */
          /*
           * Encoded with hdrsize and layout number as follows:
           * 16      10       0
           * +--------+-------+
           * | hdrsz  |layout |
*** 173,182 ****
--- 174,184 ----
           * For example.
           * hdrsz of 1 ==> 8 byte header
           *          2 ==> 16 byte header
           *
           */
+         /* END CSTYLED */
          uint16_t sa_layout_info;
          uint16_t sa_lengths[1]; /* optional sizes for variable length attrs */
          /* ... Data follows the lengths.  */
  } sa_hdr_phys_t;