include/sys/dsl_synctask.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  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 #ifndef _SYS_DSL_SYNCTASK_H
  26 #define _SYS_DSL_SYNCTASK_H
  27
  28 #include <sys/txg.h>
  29 #include <sys/zfs_context.h>
  30
  31 #ifdef  __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 struct dsl_pool;
  36
  37 typedef int (dsl_checkfunc_t)(void *, void *, dmu_tx_t *);
  38 typedef void (dsl_syncfunc_t)(void *, void *, dmu_tx_t *);
  39
  40 typedef struct dsl_sync_task {
  41         list_node_t dst_node;
  42         dsl_checkfunc_t *dst_checkfunc;
  43         dsl_syncfunc_t *dst_syncfunc;
  44         void *dst_arg1;
  45         void *dst_arg2;
  46         int dst_err;
  47 } dsl_sync_task_t;
  48
  49 typedef struct dsl_sync_task_group {
  50         txg_node_t dstg_node;
  51         list_t dstg_tasks;
  52         struct dsl_pool *dstg_pool;
  53         uint64_t dstg_txg;
  54         int dstg_err;
  55         int dstg_space;
  56         boolean_t dstg_nowaiter;
  57 } dsl_sync_task_group_t;
  58
  59 dsl_sync_task_group_t *dsl_sync_task_group_create(struct dsl_pool *dp);
  60 void dsl_sync_task_create(dsl_sync_task_group_t *dstg,
  61     dsl_checkfunc_t *, dsl_syncfunc_t *,
  62     void *arg1, void *arg2, int blocks_modified);
  63 int dsl_sync_task_group_wait(dsl_sync_task_group_t *dstg);
  64 void dsl_sync_task_group_nowait(dsl_sync_task_group_t *dstg, dmu_tx_t *tx);
  65 void dsl_sync_task_group_destroy(dsl_sync_task_group_t *dstg);
  66 void dsl_sync_task_group_sync(dsl_sync_task_group_t *dstg, dmu_tx_t *tx);
  67
  68 int dsl_sync_task_do(struct dsl_pool *dp,
  69     dsl_checkfunc_t *checkfunc, dsl_syncfunc_t *syncfunc,
  70     void *arg1, void *arg2, int blocks_modified);
  71 void dsl_sync_task_do_nowait(struct dsl_pool *dp,
  72     dsl_checkfunc_t *checkfunc, dsl_syncfunc_t *syncfunc,
  73     void *arg1, void *arg2, int blocks_modified, dmu_tx_t *tx);
  74
  75 #ifdef  __cplusplus
  76 }
  77 #endif
  78
  79 #endif /* _SYS_DSL_SYNCTASK_H */