zfs/sys/dsl_synctask.h

	dsl_synctask.h revision 3b2aab18808792cbd248a12f1edf139b89833c13
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2012 by Delphix. All rights reserved.
 */

#ifndef _SYS_DSL_SYNCTASK_H
#define _SYS_DSL_SYNCTASK_H

#include <sys/txg.h>
#include <sys/zfs_context.h>

#ifdef  __cplusplus
extern "C" {
#endif

struct dsl_pool;

typedef int (dsl_checkfunc_t)(void *, dmu_tx_t *);
typedef void (dsl_syncfunc_t)(void *, dmu_tx_t *);

typedef struct dsl_sync_task {
    txg_node_t dst_node;
    struct dsl_pool *dst_pool;
    uint64_t dst_txg;
    int dst_space;
    dsl_checkfunc_t *dst_checkfunc;
    dsl_syncfunc_t *dst_syncfunc;
    void *dst_arg;
    int dst_error;
    boolean_t dst_nowaiter;
} dsl_sync_task_t;

void dsl_sync_task_sync(dsl_sync_task_t *dst, dmu_tx_t *tx);
int dsl_sync_task(const char *pool, dsl_checkfunc_t *checkfunc,
    dsl_syncfunc_t *syncfunc, void *arg, int blocks_modified);
void dsl_sync_task_nowait(struct dsl_pool *dp, dsl_syncfunc_t *syncfunc,
    void *arg, int blocks_modified, dmu_tx_t *tx);

#ifdef  __cplusplus
}
#endif

#endif /* _SYS_DSL_SYNCTASK_H */