mirror_zfs/include/sys/dmu_send.h
Max Grossman 5dc8b7365f Illumos 5765 - add support for estimating send stream size with lzc_send_space when source is a bookmark
5765 add support for estimating send stream size with lzc_send_space when source is a bookmark
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Steven Hartland <killing@multiplay.co.uk>
Reviewed by: Bayard Bell <buffer.g.overflow@gmail.com>
Approved by: Albert Lee <trisk@nexenta.com>

References:
  https://www.illumos.org/issues/5765
  https://github.com/illumos/illumos-gate/commit/643da460

Porting notes:
* Unused variable 'recordsize' in dmu_send_estimate() dropped

Ported-by: DHE <git@dehacked.net>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3397
2015-05-13 09:03:59 -07:00

74 lines
2.4 KiB
C

/*
* 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, 2014 by Delphix. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
*/
#ifndef _DMU_SEND_H
#define _DMU_SEND_H
#include <sys/inttypes.h>
#include <sys/spa.h>
struct vnode;
struct dsl_dataset;
struct drr_begin;
struct avl_tree;
int dmu_send(const char *tosnap, const char *fromsnap,
boolean_t embedok, boolean_t large_block_ok,
int outfd, struct vnode *vp, offset_t *off);
int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
uint64_t *sizep);
int dmu_send_estimate_from_txg(struct dsl_dataset *ds, uint64_t fromtxg,
uint64_t *sizep);
int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
boolean_t embedok, boolean_t large_block_ok,
int outfd, struct vnode *vp, offset_t *off);
typedef struct dmu_recv_cookie {
struct dsl_dataset *drc_ds;
struct drr_begin *drc_drrb;
const char *drc_tofs;
const char *drc_tosnap;
boolean_t drc_newfs;
boolean_t drc_byteswap;
boolean_t drc_force;
struct avl_tree *drc_guid_to_ds_map;
zio_cksum_t drc_cksum;
uint64_t drc_newsnapobj;
void *drc_owner;
cred_t *drc_cred;
} dmu_recv_cookie_t;
int dmu_recv_begin(char *tofs, char *tosnap, struct drr_begin *drrb,
boolean_t force, char *origin, dmu_recv_cookie_t *drc);
int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
int cleanup_fd, uint64_t *action_handlep);
int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner);
boolean_t dmu_objset_is_receiving(objset_t *os);
#endif /* _DMU_SEND_H */