1/* 2 * CDDL HEADER START 3 * 4 * This file and its contents are supplied under the terms of the 5 * Common Development and Distribution License ("CDDL"), version 1.0. 6 * You may only use this file in accordance with the terms of version 7 * 1.0 of the CDDL. 8 * 9 * A full copy of the text of the CDDL should have accompanied this 10 * source. A copy of the CDDL is also available via the Internet at 11 * http://www.illumos.org/license/CDDL. 12 * 13 * CDDL HEADER END 14 */ 15 16/* 17 * Copyright (c) 2015 by Delphix. All rights reserved. 18 */ 19 20#ifndef _SYS_VDEV_INDIRECT_BIRTHS_H 21#define _SYS_VDEV_INDIRECT_BIRTHS_H 22 23#include <sys/dmu.h> 24#include <sys/spa.h> 25 26#ifdef __cplusplus 27extern "C" { 28#endif 29 30typedef struct vdev_indirect_birth_entry_phys { 31 uint64_t vibe_offset; 32 uint64_t vibe_phys_birth_txg; 33} vdev_indirect_birth_entry_phys_t; 34 35typedef struct vdev_indirect_birth_phys { 36 uint64_t vib_count; /* count of v_i_b_entry_phys_t's */ 37} vdev_indirect_birth_phys_t; 38 39typedef struct vdev_indirect_births { 40 uint64_t vib_object; 41 42 /* 43 * Each entry indicates that everything up to but not including 44 * vibe_offset was copied in vibe_phys_birth_txg. Entries are sorted 45 * by increasing phys_birth, and also by increasing offset. See 46 * vdev_indirect_births_physbirth for usage. 47 */ 48 vdev_indirect_birth_entry_phys_t *vib_entries; 49 50 objset_t *vib_objset; 51 52 dmu_buf_t *vib_dbuf; 53 vdev_indirect_birth_phys_t *vib_phys; 54} vdev_indirect_births_t; 55 56extern vdev_indirect_births_t *vdev_indirect_births_open(objset_t *os, 57 uint64_t object); 58extern void vdev_indirect_births_close(vdev_indirect_births_t *vib); 59extern boolean_t vdev_indirect_births_is_open(vdev_indirect_births_t *vib); 60extern uint64_t vdev_indirect_births_alloc(objset_t *os, dmu_tx_t *tx); 61extern void vdev_indirect_births_free(objset_t *os, uint64_t object, 62 dmu_tx_t *tx); 63 64extern uint64_t vdev_indirect_births_count(vdev_indirect_births_t *vib); 65extern uint64_t vdev_indirect_births_object(vdev_indirect_births_t *vib); 66 67extern void vdev_indirect_births_add_entry(vdev_indirect_births_t *vib, 68 uint64_t offset, uint64_t txg, dmu_tx_t *tx); 69 70extern uint64_t vdev_indirect_births_physbirth(vdev_indirect_births_t *vib, 71 uint64_t offset, uint64_t asize); 72 73extern uint64_t vdev_indirect_births_last_entry_txg( 74 vdev_indirect_births_t *vib); 75 76#ifdef __cplusplus 77} 78#endif 79 80#endif /* _SYS_VDEV_INDIRECT_BIRTHS_H */ 81