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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 | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
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) 2010, Oracle and/or its affiliates. All rights reserved. | |
23 | */ | |
24 | ||
25 | #ifndef _SYS_DSL_DEADLIST_H | |
26 | #define _SYS_DSL_DEADLIST_H | |
27 | ||
28 | #include <sys/bpobj.h> | |
29 | #include <sys/zfs_context.h> | |
30 | ||
31 | #ifdef __cplusplus | |
32 | extern "C" { | |
33 | #endif | |
34 | ||
35 | struct dmu_buf; | |
36 | struct dsl_dataset; | |
37 | ||
38 | typedef struct dsl_deadlist_phys { | |
39 | uint64_t dl_used; | |
40 | uint64_t dl_comp; | |
41 | uint64_t dl_uncomp; | |
42 | uint64_t dl_pad[37]; /* pad out to 320b for future expansion */ | |
43 | } dsl_deadlist_phys_t; | |
44 | ||
45 | typedef struct dsl_deadlist { | |
46 | objset_t *dl_os; | |
47 | uint64_t dl_object; | |
48 | avl_tree_t dl_tree; | |
49 | boolean_t dl_havetree; | |
50 | struct dmu_buf *dl_dbuf; | |
51 | dsl_deadlist_phys_t *dl_phys; | |
52 | kmutex_t dl_lock; | |
53 | ||
54 | /* if it's the old on-disk format: */ | |
55 | bpobj_t dl_bpobj; | |
56 | boolean_t dl_oldfmt; | |
57 | } dsl_deadlist_t; | |
58 | ||
59 | typedef struct dsl_deadlist_entry { | |
60 | avl_node_t dle_node; | |
61 | uint64_t dle_mintxg; | |
62 | bpobj_t dle_bpobj; | |
63 | } dsl_deadlist_entry_t; | |
64 | ||
65 | void dsl_deadlist_open(dsl_deadlist_t *dl, objset_t *os, uint64_t object); | |
66 | void dsl_deadlist_close(dsl_deadlist_t *dl); | |
67 | uint64_t dsl_deadlist_alloc(objset_t *os, dmu_tx_t *tx); | |
68 | void dsl_deadlist_free(objset_t *os, uint64_t dlobj, dmu_tx_t *tx); | |
69 | void dsl_deadlist_insert(dsl_deadlist_t *dl, const blkptr_t *bp, dmu_tx_t *tx); | |
70 | void dsl_deadlist_add_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); | |
71 | void dsl_deadlist_remove_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); | |
72 | uint64_t dsl_deadlist_clone(dsl_deadlist_t *dl, uint64_t maxtxg, | |
73 | uint64_t mrs_obj, dmu_tx_t *tx); | |
74 | void dsl_deadlist_space(dsl_deadlist_t *dl, | |
75 | uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); | |
76 | void dsl_deadlist_space_range(dsl_deadlist_t *dl, | |
77 | uint64_t mintxg, uint64_t maxtxg, | |
78 | uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); | |
79 | void dsl_deadlist_merge(dsl_deadlist_t *dl, uint64_t obj, dmu_tx_t *tx); | |
80 | void dsl_deadlist_move_bpobj(dsl_deadlist_t *dl, bpobj_t *bpo, uint64_t mintxg, | |
81 | dmu_tx_t *tx); | |
82 | ||
83 | #ifdef __cplusplus | |
84 | } | |
85 | #endif | |
86 | ||
87 | #endif /* _SYS_DSL_DEADLIST_H */ |