1 1.1 haad /* 2 1.1 haad * CDDL HEADER START 3 1.1 haad * 4 1.1 haad * The contents of this file are subject to the terms of the 5 1.1 haad * Common Development and Distribution License (the "License"). 6 1.1 haad * You may not use this file except in compliance with the License. 7 1.1 haad * 8 1.1 haad * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 1.1 haad * or http://www.opensolaris.org/os/licensing. 10 1.1 haad * See the License for the specific language governing permissions 11 1.1 haad * and limitations under the License. 12 1.1 haad * 13 1.1 haad * When distributing Covered Code, include this CDDL HEADER in each 14 1.1 haad * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 1.1 haad * If applicable, add the following below this CDDL HEADER, with the 16 1.1 haad * fields enclosed by brackets "[]" replaced with your own identifying 17 1.1 haad * information: Portions Copyright [yyyy] [name of copyright owner] 18 1.1 haad * 19 1.1 haad * CDDL HEADER END 20 1.1 haad */ 21 1.1 haad /* 22 1.1.1.3 chs * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 1.1.1.3 chs * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 24 1.1 haad */ 25 1.1 haad 26 1.1 haad #ifndef _SYS_METASLAB_H 27 1.1 haad #define _SYS_METASLAB_H 28 1.1 haad 29 1.1 haad #include <sys/spa.h> 30 1.1 haad #include <sys/space_map.h> 31 1.1 haad #include <sys/txg.h> 32 1.1 haad #include <sys/zio.h> 33 1.1 haad #include <sys/avl.h> 34 1.1 haad 35 1.1 haad #ifdef __cplusplus 36 1.1 haad extern "C" { 37 1.1 haad #endif 38 1.1 haad 39 1.1 haad 40 1.1.1.3 chs typedef struct metaslab_ops { 41 1.1.1.3 chs uint64_t (*msop_alloc)(metaslab_t *, uint64_t); 42 1.1.1.3 chs } metaslab_ops_t; 43 1.1.1.3 chs 44 1.1.1.3 chs 45 1.1.1.3 chs extern metaslab_ops_t *zfs_metaslab_ops; 46 1.1.1.3 chs 47 1.1.1.3 chs int metaslab_init(metaslab_group_t *, uint64_t, uint64_t, uint64_t, 48 1.1.1.3 chs metaslab_t **); 49 1.1.1.3 chs void metaslab_fini(metaslab_t *); 50 1.1.1.3 chs 51 1.1.1.3 chs void metaslab_load_wait(metaslab_t *); 52 1.1.1.3 chs int metaslab_load(metaslab_t *); 53 1.1.1.3 chs void metaslab_unload(metaslab_t *); 54 1.1.1.3 chs 55 1.1.1.3 chs void metaslab_sync(metaslab_t *, uint64_t); 56 1.1.1.3 chs void metaslab_sync_done(metaslab_t *, uint64_t); 57 1.1.1.3 chs void metaslab_sync_reassess(metaslab_group_t *); 58 1.1.1.3 chs uint64_t metaslab_block_maxsize(metaslab_t *); 59 1.1.1.3 chs 60 1.1.1.3 chs #define METASLAB_HINTBP_FAVOR 0x0 61 1.1.1.3 chs #define METASLAB_HINTBP_AVOID 0x1 62 1.1.1.3 chs #define METASLAB_GANG_HEADER 0x2 63 1.1.1.3 chs #define METASLAB_GANG_CHILD 0x4 64 1.1.1.3 chs #define METASLAB_ASYNC_ALLOC 0x8 65 1.1.1.3 chs #define METASLAB_DONT_THROTTLE 0x10 66 1.1.1.3 chs 67 1.1.1.3 chs int metaslab_alloc(spa_t *, metaslab_class_t *, uint64_t, 68 1.1.1.3 chs blkptr_t *, int, uint64_t, blkptr_t *, int, zio_alloc_list_t *, zio_t *); 69 1.1.1.3 chs void metaslab_free(spa_t *, const blkptr_t *, uint64_t, boolean_t); 70 1.1.1.3 chs int metaslab_claim(spa_t *, const blkptr_t *, uint64_t); 71 1.1.1.3 chs void metaslab_check_free(spa_t *, const blkptr_t *); 72 1.1.1.3 chs 73 1.1.1.3 chs void metaslab_alloc_trace_init(void); 74 1.1.1.3 chs void metaslab_alloc_trace_fini(void); 75 1.1.1.3 chs void metaslab_trace_init(zio_alloc_list_t *); 76 1.1.1.3 chs void metaslab_trace_fini(zio_alloc_list_t *); 77 1.1.1.3 chs 78 1.1.1.3 chs metaslab_class_t *metaslab_class_create(spa_t *, metaslab_ops_t *); 79 1.1.1.3 chs void metaslab_class_destroy(metaslab_class_t *); 80 1.1.1.3 chs int metaslab_class_validate(metaslab_class_t *); 81 1.1.1.3 chs void metaslab_class_histogram_verify(metaslab_class_t *); 82 1.1.1.3 chs uint64_t metaslab_class_fragmentation(metaslab_class_t *); 83 1.1.1.3 chs uint64_t metaslab_class_expandable_space(metaslab_class_t *); 84 1.1.1.3 chs boolean_t metaslab_class_throttle_reserve(metaslab_class_t *, int, 85 1.1.1.3 chs zio_t *, int); 86 1.1.1.3 chs void metaslab_class_throttle_unreserve(metaslab_class_t *, int, zio_t *); 87 1.1.1.3 chs 88 1.1.1.3 chs void metaslab_class_space_update(metaslab_class_t *, int64_t, int64_t, 89 1.1.1.3 chs int64_t, int64_t); 90 1.1.1.3 chs uint64_t metaslab_class_get_alloc(metaslab_class_t *); 91 1.1.1.3 chs uint64_t metaslab_class_get_space(metaslab_class_t *); 92 1.1.1.3 chs uint64_t metaslab_class_get_dspace(metaslab_class_t *); 93 1.1.1.3 chs uint64_t metaslab_class_get_deferred(metaslab_class_t *); 94 1.1.1.3 chs uint64_t metaslab_class_get_minblocksize(metaslab_class_t *mc); 95 1.1.1.3 chs 96 1.1.1.3 chs metaslab_group_t *metaslab_group_create(metaslab_class_t *, vdev_t *); 97 1.1.1.3 chs void metaslab_group_destroy(metaslab_group_t *); 98 1.1.1.3 chs void metaslab_group_activate(metaslab_group_t *); 99 1.1.1.3 chs void metaslab_group_passivate(metaslab_group_t *); 100 1.1.1.3 chs boolean_t metaslab_group_initialized(metaslab_group_t *); 101 1.1.1.3 chs uint64_t metaslab_group_get_space(metaslab_group_t *); 102 1.1.1.3 chs void metaslab_group_histogram_verify(metaslab_group_t *); 103 1.1.1.3 chs uint64_t metaslab_group_fragmentation(metaslab_group_t *); 104 1.1.1.3 chs void metaslab_group_histogram_remove(metaslab_group_t *, metaslab_t *); 105 1.1.1.3 chs void metaslab_group_alloc_decrement(spa_t *, uint64_t, void *, int); 106 1.1.1.3 chs void metaslab_group_alloc_verify(spa_t *, const blkptr_t *, void *); 107 1.1 haad 108 1.1 haad #ifdef __cplusplus 109 1.1 haad } 110 1.1 haad #endif 111 1.1 haad 112 1.1 haad #endif /* _SYS_METASLAB_H */ 113
Indexes created Thu Aug 06 00:25:04 UTC 2026