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6160 /usr/lib/fs/zfs/bootinstall should use bootadm
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Adam Števko <adam.stevko@gmail.com>
Reviewed by: Josef Sipek <jeffpc@josefsipek.net>
Approved by: Richard Lowe <richlowe@richlowe.net>
4185 add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R (NULL is not an int)
6171 dsl_prop_unregister() slows down dataset eviction.
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Approved by: Dan McDonald <danmcd@omniti.com>
    
      
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          --- old/usr/src/uts/common/fs/zfs/sys/dsl_dir.h
          +++ new/usr/src/uts/common/fs/zfs/sys/dsl_dir.h
   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  /*
  22   22   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  23   23   * Copyright (c) 2012, 2016 by Delphix. All rights reserved.
  24   24   * Copyright (c) 2014, Joyent, Inc. All rights reserved.
  25   25   * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
  26   26   */
  27   27  
  28   28  #ifndef _SYS_DSL_DIR_H
  29   29  #define _SYS_DSL_DIR_H
  30   30  
  31   31  #include <sys/dmu.h>
  32   32  #include <sys/dsl_pool.h>
  33   33  #include <sys/dsl_synctask.h>
  34   34  #include <sys/refcount.h>
  35   35  #include <sys/zfs_context.h>
  36   36  
  37   37  #ifdef  __cplusplus
  38   38  extern "C" {
  39   39  #endif
  
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  40   40  
  41   41  struct dsl_dataset;
  42   42  
  43   43  /*
  44   44   * DD_FIELD_* are strings that are used in the "extensified" dsl_dir zap object.
  45   45   * They should be of the format <reverse-dns>:<field>.
  46   46   */
  47   47  
  48   48  #define DD_FIELD_FILESYSTEM_COUNT       "com.joyent:filesystem_count"
  49   49  #define DD_FIELD_SNAPSHOT_COUNT         "com.joyent:snapshot_count"
  50      -#define DD_FIELD_LAST_REMAP_TXG         "com.delphix:last_remap_txg"
  51   50  
  52   51  typedef enum dd_used {
  53   52          DD_USED_HEAD,
  54   53          DD_USED_SNAP,
  55   54          DD_USED_CHILD,
  56   55          DD_USED_CHILD_RSRV,
  57   56          DD_USED_REFRSRV,
  58   57          DD_USED_NUM
  59   58  } dd_used_t;
  60   59  
  61   60  #define DD_FLAG_USED_BREAKDOWN (1<<0)
  62   61  
  63   62  typedef struct dsl_dir_phys {
  64   63          uint64_t dd_creation_time; /* not actually used */
  65   64          uint64_t dd_head_dataset_obj;
  66   65          uint64_t dd_parent_obj;
  67   66          uint64_t dd_origin_obj;
  68   67          uint64_t dd_child_dir_zapobj;
  69   68          /*
  70   69           * how much space our children are accounting for; for leaf
  71   70           * datasets, == physical space used by fs + snaps
  72   71           */
  73   72          uint64_t dd_used_bytes;
  74   73          uint64_t dd_compressed_bytes;
  75   74          uint64_t dd_uncompressed_bytes;
  76   75          /* Administrative quota setting */
  77   76          uint64_t dd_quota;
  78   77          /* Administrative reservation setting */
  79   78          uint64_t dd_reserved;
  80   79          uint64_t dd_props_zapobj;
  81   80          uint64_t dd_deleg_zapobj; /* dataset delegation permissions */
  82   81          uint64_t dd_flags;
  83   82          uint64_t dd_used_breakdown[DD_USED_NUM];
  84   83          uint64_t dd_clones; /* dsl_dir objects */
  85   84          uint64_t dd_pad[13]; /* pad out to 256 bytes for good measure */
  86   85  } dsl_dir_phys_t;
  87   86  
  88   87  struct dsl_dir {
  89   88          dmu_buf_user_t dd_dbu;
  90   89  
  91   90          /* These are immutable; no lock needed: */
  92   91          uint64_t dd_object;
  93   92          dsl_pool_t *dd_pool;
  94   93  
  95   94          /* Stable until user eviction; no lock needed: */
  96   95          dmu_buf_t *dd_dbuf;
  97   96  
  98   97          /* protected by lock on pool's dp_dirty_dirs list */
  99   98          txg_node_t dd_dirty_link;
 100   99  
 101  100          /* protected by dp_config_rwlock */
 102  101          dsl_dir_t *dd_parent;
 103  102  
 104  103          /* Protected by dd_lock */
 105  104          kmutex_t dd_lock;
 106  105          list_t dd_props; /* list of dsl_prop_record_t's */
 107  106          timestruc_t dd_snap_cmtime; /* last time snapshot namespace changed */
 108  107          uint64_t dd_origin_txg;
 109  108  
 110  109          /* gross estimate of space used by in-flight tx's */
 111  110          uint64_t dd_tempreserved[TXG_SIZE];
 112  111          /* amount of space we expect to write; == amount of dirty data */
 113  112          int64_t dd_space_towrite[TXG_SIZE];
 114  113  
 115  114          /* protected by dd_lock; keep at end of struct for better locality */
 116  115          char dd_myname[ZFS_MAX_DATASET_NAME_LEN];
 117  116  };
 118  117  
 119  118  inline dsl_dir_phys_t *
 120  119  dsl_dir_phys(dsl_dir_t *dd)
 121  120  {
 122  121          return (dd->dd_dbuf->db_data);
 123  122  }
 124  123  
 125  124  void dsl_dir_rele(dsl_dir_t *dd, void *tag);
 126  125  void dsl_dir_async_rele(dsl_dir_t *dd, void *tag);
 127  126  int dsl_dir_hold(dsl_pool_t *dp, const char *name, void *tag,
 128  127      dsl_dir_t **, const char **tail);
 129  128  int dsl_dir_hold_obj(dsl_pool_t *dp, uint64_t ddobj,
 130  129      const char *tail, void *tag, dsl_dir_t **);
 131  130  void dsl_dir_name(dsl_dir_t *dd, char *buf);
 132  131  int dsl_dir_namelen(dsl_dir_t *dd);
 133  132  uint64_t dsl_dir_create_sync(dsl_pool_t *dp, dsl_dir_t *pds,
 134  133      const char *name, dmu_tx_t *tx);
 135  134  
 136  135  uint64_t dsl_dir_get_used(dsl_dir_t *dd);
 137  136  uint64_t dsl_dir_get_quota(dsl_dir_t *dd);
  
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 138  137  uint64_t dsl_dir_get_reservation(dsl_dir_t *dd);
 139  138  uint64_t dsl_dir_get_compressratio(dsl_dir_t *dd);
 140  139  uint64_t dsl_dir_get_logicalused(dsl_dir_t *dd);
 141  140  uint64_t dsl_dir_get_usedsnap(dsl_dir_t *dd);
 142  141  uint64_t dsl_dir_get_usedds(dsl_dir_t *dd);
 143  142  uint64_t dsl_dir_get_usedrefreserv(dsl_dir_t *dd);
 144  143  uint64_t dsl_dir_get_usedchild(dsl_dir_t *dd);
 145  144  void dsl_dir_get_origin(dsl_dir_t *dd, char *buf);
 146  145  int dsl_dir_get_filesystem_count(dsl_dir_t *dd, uint64_t *count);
 147  146  int dsl_dir_get_snapshot_count(dsl_dir_t *dd, uint64_t *count);
 148      -int dsl_dir_get_remaptxg(dsl_dir_t *dd, uint64_t *count);
 149  147  
 150  148  void dsl_dir_stats(dsl_dir_t *dd, nvlist_t *nv);
 151  149  uint64_t dsl_dir_space_available(dsl_dir_t *dd,
 152  150      dsl_dir_t *ancestor, int64_t delta, int ondiskonly);
 153  151  void dsl_dir_dirty(dsl_dir_t *dd, dmu_tx_t *tx);
 154  152  void dsl_dir_sync(dsl_dir_t *dd, dmu_tx_t *tx);
 155  153  int dsl_dir_tempreserve_space(dsl_dir_t *dd, uint64_t mem,
 156  154      uint64_t asize, boolean_t netfree, void **tr_cookiep, dmu_tx_t *tx);
 157  155  void dsl_dir_tempreserve_clear(void *tr_cookie, dmu_tx_t *tx);
 158  156  void dsl_dir_willuse_space(dsl_dir_t *dd, int64_t space, dmu_tx_t *tx);
 159  157  void dsl_dir_diduse_space(dsl_dir_t *dd, dd_used_t type,
 160  158      int64_t used, int64_t compressed, int64_t uncompressed, dmu_tx_t *tx);
  
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 161  159  void dsl_dir_transfer_space(dsl_dir_t *dd, int64_t delta,
 162  160      dd_used_t oldtype, dd_used_t newtype, dmu_tx_t *tx);
 163  161  int dsl_dir_set_quota(const char *ddname, zprop_source_t source,
 164  162      uint64_t quota);
 165  163  int dsl_dir_set_reservation(const char *ddname, zprop_source_t source,
 166  164      uint64_t reservation);
 167  165  int dsl_dir_activate_fs_ss_limit(const char *);
 168  166  int dsl_fs_ss_limit_check(dsl_dir_t *, uint64_t, zfs_prop_t, dsl_dir_t *,
 169  167      cred_t *);
 170  168  void dsl_fs_ss_count_adjust(dsl_dir_t *, int64_t, const char *, dmu_tx_t *);
 171      -int dsl_dir_update_last_remap_txg(dsl_dir_t *, uint64_t);
 172  169  int dsl_dir_rename(const char *oldname, const char *newname);
 173  170  int dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd,
 174  171      uint64_t fs_cnt, uint64_t ss_cnt, uint64_t space, cred_t *);
 175  172  boolean_t dsl_dir_is_clone(dsl_dir_t *dd);
 176  173  void dsl_dir_new_refreservation(dsl_dir_t *dd, struct dsl_dataset *ds,
 177  174      uint64_t reservation, cred_t *cr, dmu_tx_t *tx);
 178  175  void dsl_dir_snap_cmtime_update(dsl_dir_t *dd);
 179  176  timestruc_t dsl_dir_snap_cmtime(dsl_dir_t *dd);
 180  177  void dsl_dir_set_reservation_sync_impl(dsl_dir_t *dd, uint64_t value,
 181  178      dmu_tx_t *tx);
 182  179  void dsl_dir_zapify(dsl_dir_t *dd, dmu_tx_t *tx);
 183  180  boolean_t dsl_dir_is_zapified(dsl_dir_t *dd);
 184  181  
 185  182  /* internal reserved dir name */
 186  183  #define MOS_DIR_NAME "$MOS"
 187  184  #define ORIGIN_DIR_NAME "$ORIGIN"
      185 +#define XLATION_DIR_NAME "$XLATION"
 188  186  #define FREE_DIR_NAME "$FREE"
 189  187  #define LEAK_DIR_NAME "$LEAK"
 190  188  
 191  189  #ifdef ZFS_DEBUG
 192  190  #define dprintf_dd(dd, fmt, ...) do { \
 193  191          if (zfs_flags & ZFS_DEBUG_DPRINTF) { \
 194  192          char *__ds_name = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP); \
 195  193          dsl_dir_name(dd, __ds_name); \
 196  194          dprintf("dd=%s " fmt, __ds_name, __VA_ARGS__); \
 197  195          kmem_free(__ds_name, ZFS_MAX_DATASET_NAME_LEN); \
 198  196          } \
 199  197  _NOTE(CONSTCOND) } while (0)
 200  198  #else
 201  199  #define dprintf_dd(dd, fmt, ...)
 202  200  #endif
 203  201  
 204  202  #ifdef  __cplusplus
 205  203  }
 206  204  #endif
 207  205  
 208  206  #endif /* _SYS_DSL_DIR_H */
  
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