usr/src/uts/common/fs/zfs/ddt.c

*** 22,46 ****
--- 22,49 ----
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright (c) 2012, 2017 by Delphix. All rights reserved.
   * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
   * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
   * Copyright (c) 2014 Integros [integros.com]
+  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
   */
  
  /* Portions Copyright 2010 Robert Milkowski */
  
  #ifndef _SYS_DMU_OBJSET_H
  #define _SYS_DMU_OBJSET_H
  
  #include <sys/spa.h>
+ #include <sys/special_impl.h>
  #include <sys/arc.h>
  #include <sys/txg.h>
  #include <sys/zfs_context.h>
  #include <sys/dnode.h>
  #include <sys/zio.h>
  #include <sys/zil.h>
  #include <sys/sa.h>
+ #include <sys/zfs_ioctl.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
*** 67,76 ****
--- 70,80 ----
              sizeof (zil_header_t) - sizeof (uint64_t)*2];
          dnode_phys_t os_userused_dnode;
          dnode_phys_t os_groupused_dnode;
  } objset_phys_t;
  
+ #define OBJSET_PROP_UNINITIALIZED       ((uint64_t)-1)
  struct objset {
          /* Immutable: */
          struct dsl_dataset *os_dsl_dataset;
          spa_t *os_spa;
          arc_buf_t *os_phys_buf;
*** 89,107 ****
--- 93,126 ----
          list_node_t os_evicting_node;
  
          /* can change, under dsl_dir's locks: */
          enum zio_checksum os_checksum;
          enum zio_compress os_compress;
+         boolean_t os_smartcomp_enabled;
          uint8_t os_copies;
          enum zio_checksum os_dedup_checksum;
          boolean_t os_dedup_verify;
          zfs_logbias_op_t os_logbias;
          zfs_cache_type_t os_primary_cache;
          zfs_cache_type_t os_secondary_cache;
          zfs_sync_type_t os_sync;
          zfs_redundant_metadata_type_t os_redundant_metadata;
          int os_recordsize;
+         uint64_t os_zpl_meta_to_special;
+         zfs_wbc_mode_t os_wbc_mode;
+         uint64_t os_wbc_root_ds_obj;
+         uint64_t os_wbc_off_txg;
+         /*
+          * The next four values are used as a cache of whatever's on disk, and
+          * are initialized the first time these properties are queried. Before
+          * being initialized with their real values, their values are
+          * OBJSET_PROP_UNINITIALIZED.
+          */
+         uint64_t os_version;
+         uint64_t os_normalization;
+         uint64_t os_utf8only;
+         uint64_t os_casesensitivity;
  
          /*
           * Pointer is constant; the blkptr it points to is protected by
           * os_dsl_dataset->ds_bp_rwlock
           */
*** 141,151 ****
  #define DMU_USERUSED_DNODE(os)  ((os)->os_userused_dnode.dnh_dnode)
  #define DMU_GROUPUSED_DNODE(os) ((os)->os_groupused_dnode.dnh_dnode)
  
  #define DMU_OS_IS_L2CACHEABLE(os)                               \
          ((os)->os_secondary_cache == ZFS_CACHE_ALL ||           \
!         (os)->os_secondary_cache == ZFS_CACHE_METADATA)
  
  #define DMU_OS_IS_L2COMPRESSIBLE(os)    (zfs_mdcomp_disable == B_FALSE)
  
  /* called from zpl */
  int dmu_objset_hold(const char *name, void *tag, objset_t **osp);
--- 160,171 ----
  #define DMU_USERUSED_DNODE(os)  ((os)->os_userused_dnode.dnh_dnode)
  #define DMU_GROUPUSED_DNODE(os) ((os)->os_groupused_dnode.dnh_dnode)
  
  #define DMU_OS_IS_L2CACHEABLE(os)                               \
          ((os)->os_secondary_cache == ZFS_CACHE_ALL ||           \
!         (os)->os_secondary_cache == ZFS_CACHE_METADATA ||       \
!         (os)->os_secondary_cache == ZFS_CACHE_DATA)
  
  #define DMU_OS_IS_L2COMPRESSIBLE(os)    (zfs_mdcomp_disable == B_FALSE)
  
  /* called from zpl */
  int dmu_objset_hold(const char *name, void *tag, objset_t **osp);