include/sys/brt.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 https://opensource.org/licenses/CDDL-1.0.
  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) 2020, 2021, 2022 by Pawel Jakub Dawidek
  23  */
  24
  25 #ifndef _SYS_BRT_H
  26 #define _SYS_BRT_H
  27
  28 #include <sys/sysmacros.h>
  29 #include <sys/types.h>
  30 #include <sys/fs/zfs.h>
  31 #include <sys/zio.h>
  32 #include <sys/dmu.h>
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 extern boolean_t brt_entry_decref(spa_t *spa, const blkptr_t *bp);
  39 extern uint64_t brt_entry_get_refcount(spa_t *spa, const blkptr_t *bp);
  40
  41 extern uint64_t brt_get_dspace(spa_t *spa);
  42 extern uint64_t brt_get_used(spa_t *spa);
  43 extern uint64_t brt_get_saved(spa_t *spa);
  44 extern uint64_t brt_get_ratio(spa_t *spa);
  45
  46 extern boolean_t brt_maybe_exists(spa_t *spa, const blkptr_t *bp);
  47 extern void brt_init(void);
  48 extern void brt_fini(void);
  49
  50 extern void brt_pending_add(spa_t *spa, const blkptr_t *bp, dmu_tx_t *tx);
  51 extern void brt_pending_remove(spa_t *spa, const blkptr_t *bp, dmu_tx_t *tx);
  52 extern void brt_pending_apply(spa_t *spa, uint64_t txg);
  53
  54 extern void brt_create(spa_t *spa);
  55 extern int brt_load(spa_t *spa);
  56 extern void brt_unload(spa_t *spa);
  57 extern void brt_sync(spa_t *spa, uint64_t txg);
  58
  59 #ifdef  __cplusplus
  60 }
  61 #endif
  62
  63 #endif  /* _SYS_BRT_H */