%B

*** 21,30 ****
--- 21,31 ----
  
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   * Copyright (c) 2012 by Delphix. All rights reserved.
+  * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
   */
  
  #ifndef _ZIO_H
  #define _ZIO_H
  
*** 104,121 ****
--- 105,127 ----
          ZIO_COMPRESS_GZIP_6,
          ZIO_COMPRESS_GZIP_7,
          ZIO_COMPRESS_GZIP_8,
          ZIO_COMPRESS_GZIP_9,
          ZIO_COMPRESS_ZLE,
+         ZIO_COMPRESS_LZ4,
+         ZIO_COMPRESS_LZ4HC,
          ZIO_COMPRESS_FUNCTIONS
  };
  
+ /* N.B. when altering this value, also change BOOTFS_COMPRESS_VALID below */
  #define ZIO_COMPRESS_ON_VALUE   ZIO_COMPRESS_LZJB
  #define ZIO_COMPRESS_DEFAULT    ZIO_COMPRESS_OFF
  
  #define BOOTFS_COMPRESS_VALID(compress)                 \
          ((compress) == ZIO_COMPRESS_LZJB ||             \
+         (compress) == ZIO_COMPRESS_LZ4HC ||             \
+         (compress) == ZIO_COMPRESS_LZ4 ||               \
          ((compress) == ZIO_COMPRESS_ON &&               \
          ZIO_COMPRESS_ON_VALUE == ZIO_COMPRESS_LZJB) ||  \
          (compress) == ZIO_COMPRESS_OFF)
  
  #define ZIO_FAILURE_MODE_WAIT           0