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4185 New hash algorithm support


   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright (c) 2013 by Delphix. All rights reserved.
  24  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.

  25  */
  26 
  27 #ifndef _SYS_SPA_IMPL_H
  28 #define _SYS_SPA_IMPL_H
  29 
  30 #include <sys/spa.h>
  31 #include <sys/vdev.h>
  32 #include <sys/metaslab.h>
  33 #include <sys/dmu.h>
  34 #include <sys/dsl_pool.h>
  35 #include <sys/uberblock_impl.h>
  36 #include <sys/zfs_context.h>
  37 #include <sys/avl.h>
  38 #include <sys/refcount.h>
  39 #include <sys/bplist.h>
  40 #include <sys/bpobj.h>
  41 
  42 #ifdef  __cplusplus
  43 extern "C" {
  44 #endif


 140         uint64_t        spa_freeze_txg;         /* freeze pool at this txg */
 141         uint64_t        spa_load_max_txg;       /* best initial ub_txg */
 142         uint64_t        spa_claim_max_txg;      /* highest claimed birth txg */
 143         timespec_t      spa_loaded_ts;          /* 1st successful open time */
 144         objset_t        *spa_meta_objset;       /* copy of dp->dp_meta_objset */
 145         txg_list_t      spa_vdev_txg_list;      /* per-txg dirty vdev list */
 146         vdev_t          *spa_root_vdev;         /* top-level vdev container */
 147         uint64_t        spa_config_guid;        /* config pool guid */
 148         uint64_t        spa_load_guid;          /* spa_load initialized guid */
 149         uint64_t        spa_last_synced_guid;   /* last synced guid */
 150         list_t          spa_config_dirty_list;  /* vdevs with dirty config */
 151         list_t          spa_state_dirty_list;   /* vdevs with dirty state */
 152         spa_aux_vdev_t  spa_spares;             /* hot spares */
 153         spa_aux_vdev_t  spa_l2cache;            /* L2ARC cache devices */
 154         nvlist_t        *spa_label_features;    /* Features for reading MOS */
 155         uint64_t        spa_config_object;      /* MOS object for pool config */
 156         uint64_t        spa_config_generation;  /* config generation number */
 157         uint64_t        spa_syncing_txg;        /* txg currently syncing */
 158         bpobj_t         spa_deferred_bpobj;     /* deferred-free bplist */
 159         bplist_t        spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */





 160         uberblock_t     spa_ubsync;             /* last synced uberblock */
 161         uberblock_t     spa_uberblock;          /* current uberblock */
 162         boolean_t       spa_extreme_rewind;     /* rewind past deferred frees */
 163         uint64_t        spa_last_io;            /* lbolt of last non-scan I/O */
 164         kmutex_t        spa_scrub_lock;         /* resilver/scrub lock */
 165         uint64_t        spa_scrub_inflight;     /* in-flight scrub I/Os */
 166         kcondvar_t      spa_scrub_io_cv;        /* scrub I/O completion */
 167         uint8_t         spa_scrub_active;       /* active or suspended? */
 168         uint8_t         spa_scrub_type;         /* type of scrub we're doing */
 169         uint8_t         spa_scrub_finished;     /* indicator to rotate logs */
 170         uint8_t         spa_scrub_started;      /* started since last boot */
 171         uint8_t         spa_scrub_reopen;       /* scrub doing vdev_reopen */
 172         uint64_t        spa_scan_pass_start;    /* start time per pass/reboot */
 173         uint64_t        spa_scan_pass_exam;     /* examined bytes per pass */
 174         kmutex_t        spa_async_lock;         /* protect async state */
 175         kthread_t       *spa_async_thread;      /* thread doing async task */
 176         int             spa_async_suspended;    /* async tasks suspended */
 177         kcondvar_t      spa_async_cv;           /* wait for thread_exit() */
 178         uint16_t        spa_async_tasks;        /* async task mask */
 179         char            *spa_root;              /* alternate root directory */




   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright (c) 2013 by Delphix. All rights reserved.
  24  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  25  * Copyright 2013 Saso Kiselkov. All rights reserved.
  26  */
  27 
  28 #ifndef _SYS_SPA_IMPL_H
  29 #define _SYS_SPA_IMPL_H
  30 
  31 #include <sys/spa.h>
  32 #include <sys/vdev.h>
  33 #include <sys/metaslab.h>
  34 #include <sys/dmu.h>
  35 #include <sys/dsl_pool.h>
  36 #include <sys/uberblock_impl.h>
  37 #include <sys/zfs_context.h>
  38 #include <sys/avl.h>
  39 #include <sys/refcount.h>
  40 #include <sys/bplist.h>
  41 #include <sys/bpobj.h>
  42 
  43 #ifdef  __cplusplus
  44 extern "C" {
  45 #endif


 141         uint64_t        spa_freeze_txg;         /* freeze pool at this txg */
 142         uint64_t        spa_load_max_txg;       /* best initial ub_txg */
 143         uint64_t        spa_claim_max_txg;      /* highest claimed birth txg */
 144         timespec_t      spa_loaded_ts;          /* 1st successful open time */
 145         objset_t        *spa_meta_objset;       /* copy of dp->dp_meta_objset */
 146         txg_list_t      spa_vdev_txg_list;      /* per-txg dirty vdev list */
 147         vdev_t          *spa_root_vdev;         /* top-level vdev container */
 148         uint64_t        spa_config_guid;        /* config pool guid */
 149         uint64_t        spa_load_guid;          /* spa_load initialized guid */
 150         uint64_t        spa_last_synced_guid;   /* last synced guid */
 151         list_t          spa_config_dirty_list;  /* vdevs with dirty config */
 152         list_t          spa_state_dirty_list;   /* vdevs with dirty state */
 153         spa_aux_vdev_t  spa_spares;             /* hot spares */
 154         spa_aux_vdev_t  spa_l2cache;            /* L2ARC cache devices */
 155         nvlist_t        *spa_label_features;    /* Features for reading MOS */
 156         uint64_t        spa_config_object;      /* MOS object for pool config */
 157         uint64_t        spa_config_generation;  /* config generation number */
 158         uint64_t        spa_syncing_txg;        /* txg currently syncing */
 159         bpobj_t         spa_deferred_bpobj;     /* deferred-free bplist */
 160         bplist_t        spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */
 161         zio_cksum_salt_t spa_cksum_salt;        /* secret salt for cksum */
 162         uint64_t        spa_cksum_salt_obj;     /* persistent salt object */
 163         /* checksum context templates */
 164         kmutex_t        spa_cksum_tmpls_lock;
 165         void            *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS];
 166         uberblock_t     spa_ubsync;             /* last synced uberblock */
 167         uberblock_t     spa_uberblock;          /* current uberblock */
 168         boolean_t       spa_extreme_rewind;     /* rewind past deferred frees */
 169         uint64_t        spa_last_io;            /* lbolt of last non-scan I/O */
 170         kmutex_t        spa_scrub_lock;         /* resilver/scrub lock */
 171         uint64_t        spa_scrub_inflight;     /* in-flight scrub I/Os */
 172         kcondvar_t      spa_scrub_io_cv;        /* scrub I/O completion */
 173         uint8_t         spa_scrub_active;       /* active or suspended? */
 174         uint8_t         spa_scrub_type;         /* type of scrub we're doing */
 175         uint8_t         spa_scrub_finished;     /* indicator to rotate logs */
 176         uint8_t         spa_scrub_started;      /* started since last boot */
 177         uint8_t         spa_scrub_reopen;       /* scrub doing vdev_reopen */
 178         uint64_t        spa_scan_pass_start;    /* start time per pass/reboot */
 179         uint64_t        spa_scan_pass_exam;     /* examined bytes per pass */
 180         kmutex_t        spa_async_lock;         /* protect async state */
 181         kthread_t       *spa_async_thread;      /* thread doing async task */
 182         int             spa_async_suspended;    /* async tasks suspended */
 183         kcondvar_t      spa_async_cv;           /* wait for thread_exit() */
 184         uint16_t        spa_async_tasks;        /* async task mask */
 185         char            *spa_root;              /* alternate root directory */