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Illumos 5765 - add support for estimating send stream size with lzc_send_space when source is a bookmark

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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
This commit is contained in:
Max Grossman
2015-04-08 11:37:13 -07:00
committed by Brian Behlendorf
parent 19b3b1d2a2
commit 5dc8b7365f
5 changed files with 150 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/dmu_send.h
+3 -1
View File
@@ -21,7 +21,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. 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.
*/
@@ -42,6 +42,8 @@ int dmu_send(const char *tosnap, const char *fromsnap,
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);
include/sys/dsl_dataset.h
+3
View File
@@ -201,6 +201,9 @@ dsl_dataset_phys(dsl_dataset_t *ds)
*/
#define MAX_TAG_PREFIX_LEN 17
#define dsl_dataset_is_snapshot(ds) \
(dsl_dataset_phys(ds)->ds_num_children != 0)
#define DS_UNIQUE_IS_ACCURATE(ds) \
((dsl_dataset_phys(ds)->ds_flags & DS_FLAG_UNIQUE_ACCURATE) != 0)