usr/src/uts/common/fs/zfs/sys/spa_checkpoint.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   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 /*
  23  * Copyright (c) 2017 by Delphix. All rights reserved.
  24  */
  25
  26 #ifndef _SYS_SPA_CHECKPOINT_H
  27 #define _SYS_SPA_CHECKPOINT_H
  28
  29 #include <sys/zthr.h>
  30
  31 typedef struct spa_checkpoint_info {
  32         uint64_t sci_timestamp; /* when checkpointed uberblock was synced  */
  33         uint64_t sci_dspace;    /* disk space used by checkpoint in bytes */
  34 } spa_checkpoint_info_t;
  35
  36 int spa_checkpoint(const char *);
  37 int spa_checkpoint_discard(const char *);
  38
  39 boolean_t spa_checkpoint_discard_thread_check(void *, zthr_t *);
  40 int spa_checkpoint_discard_thread(void *, zthr_t *);
  41
  42 int spa_checkpoint_get_stats(spa_t *, pool_checkpoint_stat_t *);
  43
  44 #endif /* _SYS_SPA_CHECKPOINT_H */