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