metaslab.h (258717) | metaslab.h (269118) |
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1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 6 unchanged lines hidden (view full) --- 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. | 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 6 unchanged lines hidden (view full) --- 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
23 * Copyright (c) 2013 by Delphix. All rights reserved. | 23 * Copyright (c) 2011, 2014 by Delphix. All rights reserved. |
24 */ 25 26#ifndef _SYS_METASLAB_H 27#define _SYS_METASLAB_H 28 29#include <sys/spa.h> 30#include <sys/space_map.h> 31#include <sys/txg.h> 32#include <sys/zio.h> 33#include <sys/avl.h> 34 35#ifdef __cplusplus 36extern "C" { 37#endif 38 39typedef struct metaslab_ops { 40 uint64_t (*msop_alloc)(metaslab_t *msp, uint64_t size); | 24 */ 25 26#ifndef _SYS_METASLAB_H 27#define _SYS_METASLAB_H 28 29#include <sys/spa.h> 30#include <sys/space_map.h> 31#include <sys/txg.h> 32#include <sys/zio.h> 33#include <sys/avl.h> 34 35#ifdef __cplusplus 36extern "C" { 37#endif 38 39typedef struct metaslab_ops { 40 uint64_t (*msop_alloc)(metaslab_t *msp, uint64_t size); |
41 boolean_t (*msop_fragmented)(metaslab_t *msp); | |
42} metaslab_ops_t; 43 44extern metaslab_ops_t *zfs_metaslab_ops; 45 | 41} metaslab_ops_t; 42 43extern metaslab_ops_t *zfs_metaslab_ops; 44 |
46metaslab_t *metaslab_init(metaslab_group_t *mg, uint64_t id, 47 uint64_t object, uint64_t txg); 48void metaslab_fini(metaslab_t *msp); | 45metaslab_t *metaslab_init(metaslab_group_t *, uint64_t, 46 uint64_t, uint64_t); 47void metaslab_fini(metaslab_t *); |
49 | 48 |
50void metaslab_load_wait(metaslab_t *msp); 51int metaslab_load(metaslab_t *msp); 52void metaslab_unload(metaslab_t *msp); | 49void metaslab_load_wait(metaslab_t *); 50int metaslab_load(metaslab_t *); 51void metaslab_unload(metaslab_t *); |
53 | 52 |
54void metaslab_sync(metaslab_t *msp, uint64_t txg); 55void metaslab_sync_done(metaslab_t *msp, uint64_t txg); 56void metaslab_sync_reassess(metaslab_group_t *mg); 57uint64_t metaslab_block_maxsize(metaslab_t *msp); | 53void metaslab_sync(metaslab_t *, uint64_t); 54void metaslab_sync_done(metaslab_t *, uint64_t); 55void metaslab_sync_reassess(metaslab_group_t *); 56uint64_t metaslab_block_maxsize(metaslab_t *); |
58 59#define METASLAB_HINTBP_FAVOR 0x0 60#define METASLAB_HINTBP_AVOID 0x1 61#define METASLAB_GANG_HEADER 0x2 62#define METASLAB_GANG_CHILD 0x4 63#define METASLAB_GANG_AVOID 0x8 64 | 57 58#define METASLAB_HINTBP_FAVOR 0x0 59#define METASLAB_HINTBP_AVOID 0x1 60#define METASLAB_GANG_HEADER 0x2 61#define METASLAB_GANG_CHILD 0x4 62#define METASLAB_GANG_AVOID 0x8 63 |
65int metaslab_alloc(spa_t *spa, metaslab_class_t *mc, uint64_t psize, 66 blkptr_t *bp, int ncopies, uint64_t txg, blkptr_t *hintbp, int flags); 67void metaslab_free(spa_t *spa, const blkptr_t *bp, uint64_t txg, boolean_t now); 68int metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg); 69void metaslab_check_free(spa_t *spa, const blkptr_t *bp); | 64int metaslab_alloc(spa_t *, metaslab_class_t *, uint64_t, 65 blkptr_t *, int, uint64_t, blkptr_t *, int); 66void metaslab_free(spa_t *, const blkptr_t *, uint64_t, boolean_t); 67int metaslab_claim(spa_t *, const blkptr_t *, uint64_t); 68void metaslab_check_free(spa_t *, const blkptr_t *); |
70 | 69 |
71metaslab_class_t *metaslab_class_create(spa_t *spa, metaslab_ops_t *ops); 72void metaslab_class_destroy(metaslab_class_t *mc); 73int metaslab_class_validate(metaslab_class_t *mc); | 70metaslab_class_t *metaslab_class_create(spa_t *, metaslab_ops_t *); 71void metaslab_class_destroy(metaslab_class_t *); 72int metaslab_class_validate(metaslab_class_t *); 73void metaslab_class_histogram_verify(metaslab_class_t *); 74uint64_t metaslab_class_fragmentation(metaslab_class_t *); 75uint64_t metaslab_class_expandable_space(metaslab_class_t *); |
74 | 76 |
75void metaslab_class_space_update(metaslab_class_t *mc, 76 int64_t alloc_delta, int64_t defer_delta, 77 int64_t space_delta, int64_t dspace_delta); 78uint64_t metaslab_class_get_alloc(metaslab_class_t *mc); 79uint64_t metaslab_class_get_space(metaslab_class_t *mc); 80uint64_t metaslab_class_get_dspace(metaslab_class_t *mc); 81uint64_t metaslab_class_get_deferred(metaslab_class_t *mc); | 77void metaslab_class_space_update(metaslab_class_t *, int64_t, int64_t, 78 int64_t, int64_t); 79uint64_t metaslab_class_get_alloc(metaslab_class_t *); 80uint64_t metaslab_class_get_space(metaslab_class_t *); 81uint64_t metaslab_class_get_dspace(metaslab_class_t *); 82uint64_t metaslab_class_get_deferred(metaslab_class_t *); |
82uint64_t metaslab_class_get_minblocksize(metaslab_class_t *mc); 83 | 83uint64_t metaslab_class_get_minblocksize(metaslab_class_t *mc); 84 |
84metaslab_group_t *metaslab_group_create(metaslab_class_t *mc, vdev_t *vd); 85void metaslab_group_destroy(metaslab_group_t *mg); 86void metaslab_group_activate(metaslab_group_t *mg); 87void metaslab_group_passivate(metaslab_group_t *mg); | 85metaslab_group_t *metaslab_group_create(metaslab_class_t *, vdev_t *); 86void metaslab_group_destroy(metaslab_group_t *); 87void metaslab_group_activate(metaslab_group_t *); 88void metaslab_group_passivate(metaslab_group_t *); 89uint64_t metaslab_group_get_space(metaslab_group_t *); 90void metaslab_group_histogram_verify(metaslab_group_t *); 91uint64_t metaslab_group_fragmentation(metaslab_group_t *); 92void metaslab_group_histogram_remove(metaslab_group_t *, metaslab_t *); |
88 89#ifdef __cplusplus 90} 91#endif 92 93#endif /* _SYS_METASLAB_H */ | 93 94#ifdef __cplusplus 95} 96#endif 97 98#endif /* _SYS_METASLAB_H */ |