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/*
* CDDL HEADER START
*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2015 by Delphix. All rights reserved.
*/
#ifndef _SYS_VDEV_INDIRECT_BIRTHS_H
#define _SYS_VDEV_INDIRECT_BIRTHS_H
#include <sys/dmu.h>
#include <sys/spa.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct vdev_indirect_birth_entry_phys {
uint64_t vibe_offset;
uint64_t vibe_phys_birth_txg;
} vdev_indirect_birth_entry_phys_t;
typedef struct vdev_indirect_birth_phys {
uint64_t vib_count; /* count of v_i_b_entry_phys_t's */
} vdev_indirect_birth_phys_t;
typedef struct vdev_indirect_births {
uint64_t vib_object;
/*
* Each entry indicates that everything up to but not including
* vibe_offset was copied in vibe_phys_birth_txg. Entries are sorted
* by increasing phys_birth, and also by increasing offset. See
* vdev_indirect_births_physbirth for usage.
*/
vdev_indirect_birth_entry_phys_t *vib_entries;
objset_t *vib_objset;
dmu_buf_t *vib_dbuf;
vdev_indirect_birth_phys_t *vib_phys;
} vdev_indirect_births_t;
extern vdev_indirect_births_t *vdev_indirect_births_open(objset_t *os,
uint64_t object);
extern void vdev_indirect_births_close(vdev_indirect_births_t *vib);
extern boolean_t vdev_indirect_births_is_open(vdev_indirect_births_t *vib);
extern uint64_t vdev_indirect_births_alloc(objset_t *os, dmu_tx_t *tx);
extern void vdev_indirect_births_free(objset_t *os, uint64_t object,
dmu_tx_t *tx);
extern uint64_t vdev_indirect_births_count(vdev_indirect_births_t *vib);
extern uint64_t vdev_indirect_births_object(vdev_indirect_births_t *vib);
extern void vdev_indirect_births_add_entry(vdev_indirect_births_t *vib,
uint64_t offset, uint64_t txg, dmu_tx_t *tx);
extern uint64_t vdev_indirect_births_physbirth(vdev_indirect_births_t *vib,
uint64_t offset, uint64_t asize);
extern uint64_t vdev_indirect_births_last_entry_txg(
vdev_indirect_births_t *vib);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_VDEV_INDIRECT_BIRTHS_H */
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