freebsd-nq/include/sys/bptree.h
Christopher Siden 9ae529ec5d Illumos #2619 and #2747
2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
Approved by: Eric Schrock <Eric.Schrock@delphix.com>

References:
  illumos/illumos-gate@53089ab7c8
  illumos/illumos-gate@ad135b5d64
  illumos changeset: 13700:2889e2596bd6
  https://www.illumos.org/issues/2619
  https://www.illumos.org/issues/2747

NOTE: The grub specific changes were not ported.  This change
must be made to the Linux grub packages.

Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
2013-01-08 10:35:35 -08:00

65 lines
1.8 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) 2012 by Delphix. All rights reserved.
*/
#ifndef _SYS_BPTREE_H
#define _SYS_BPTREE_H
#include <sys/spa.h>
#include <sys/zio.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct bptree_phys {
uint64_t bt_begin;
uint64_t bt_end;
uint64_t bt_bytes;
uint64_t bt_comp;
uint64_t bt_uncomp;
} bptree_phys_t;
typedef struct bptree_entry_phys {
blkptr_t be_bp;
uint64_t be_birth_txg; /* only delete blocks born after this txg */
zbookmark_t be_zb; /* holds traversal resume point if needed */
} bptree_entry_phys_t;
typedef int bptree_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
uint64_t bptree_alloc(objset_t *os, dmu_tx_t *tx);
int bptree_free(objset_t *os, uint64_t obj, dmu_tx_t *tx);
void bptree_add(objset_t *os, uint64_t obj, blkptr_t *bp, uint64_t birth_txg,
uint64_t bytes, uint64_t comp, uint64_t uncomp, dmu_tx_t *tx);
int bptree_iterate(objset_t *os, uint64_t obj, boolean_t free,
bptree_itor_t func, void *arg, dmu_tx_t *tx);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_BPTREE_H */