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