NEX-17845 Remove support for BZIP2 from dump
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-9338 improve the layout of the crash directory
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Steve Peng <steve.peng@nexenta.com>

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright 2018 Nexenta Systems, Inc. All rights reserved.
   * Copyright (c) 2016 by Delphix. All rights reserved.
   */
  
  #ifndef _SYS_DUMPHDR_H
  #define _SYS_DUMPHDR_H
*** 162,173 ****
  } dumpdatahdr_t;
  
  #define DUMP_DATAHDR_MAGIC      ('d' << 24 | 'h' << 16 | 'd' << 8 | 'r')
  
  #define DUMP_DATAHDR_VERSION    1
  #define DUMP_CLEVEL_LZJB        1       /* parallel lzjb compression */
- #define DUMP_CLEVEL_BZIP2       2       /* parallel bzip2 level 1 */
  
  #ifdef _KERNEL
  
  extern kmutex_t dump_lock;
  extern struct vnode *dumpvp;
--- 163,174 ----
  } dumpdatahdr_t;
  
  #define DUMP_DATAHDR_MAGIC      ('d' << 24 | 'h' << 16 | 'd' << 8 | 'r')
  
  #define DUMP_DATAHDR_VERSION    1
+ #define DUMP_CLEVEL_SERIAL      0       /* single-threaded lzjb compression */
  #define DUMP_CLEVEL_LZJB        1       /* parallel lzjb compression */
  
  #ifdef _KERNEL
  
  extern kmutex_t dump_lock;
  extern struct vnode *dumpvp;
*** 194,225 ****
  extern int dumpvp_resize(void);
  extern int dump_plat_addr(void);
  extern void dump_plat_pfn(void);
  extern int dump_plat_data(void *);
  extern int dump_set_uuid(const char *);
  extern const char *dump_get_uuid(void);
  
  /*
-  * Define a CPU count threshold that determines when to employ
-  * bzip2. This value is defined per-platform.
-  */
- extern uint_t dump_plat_mincpu_default;
- 
- #define DUMP_PLAT_SUN4U_MINCPU          0
- #define DUMP_PLAT_SUN4U_OPL_MINCPU      0
- #define DUMP_PLAT_SUN4V_MINCPU          0
- #define DUMP_PLAT_X86_64_MINCPU         0
- #define DUMP_PLAT_X86_32_MINCPU         0
- 
- /*
-  * Override the per-platform default by setting this variable with
-  * /etc/system.  The value 0 disables parallelism, and the old format
-  * dump is produced.
-  */
- extern uint_t dump_plat_mincpu;
- 
- /*
   * Pages may be stolen at dump time. Prevent the pages from ever being
   * allocated while dump is running.
   */
  #define IS_DUMP_PAGE(pp) (dump_check_used && dump_test_used((pp)->p_pagenum))
  
--- 195,208 ----
  extern int dumpvp_resize(void);
  extern int dump_plat_addr(void);
  extern void dump_plat_pfn(void);
  extern int dump_plat_data(void *);
  extern int dump_set_uuid(const char *);
+ extern int dump_update_uuid(const char *);
  extern const char *dump_get_uuid(void);
  
  /*
   * Pages may be stolen at dump time. Prevent the pages from ever being
   * allocated while dump is running.
   */
  #define IS_DUMP_PAGE(pp) (dump_check_used && dump_test_used((pp)->p_pagenum))