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3748 zfs headers should be C++ compatible
Submitted by: Justin Gibbs <justing@spectralogic.com>
Submitted by: Will Andrews <willa@spectralogic.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
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--- old/usr/src/uts/common/fs/zfs/sys/arc.h
+++ new/usr/src/uts/common/fs/zfs/sys/arc.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 23 * Copyright (c) 2012 by Delphix. All rights reserved.
24 24 */
25 25
26 26 #ifndef _SYS_ARC_H
27 27 #define _SYS_ARC_H
28 28
29 29 #include <sys/zfs_context.h>
30 30
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31 31 #ifdef __cplusplus
32 32 extern "C" {
33 33 #endif
34 34
35 35 #include <sys/zio.h>
36 36 #include <sys/dmu.h>
37 37 #include <sys/spa.h>
38 38
39 39 typedef struct arc_buf_hdr arc_buf_hdr_t;
40 40 typedef struct arc_buf arc_buf_t;
41 -typedef void arc_done_func_t(zio_t *zio, arc_buf_t *buf, void *private);
42 -typedef int arc_evict_func_t(void *private);
41 +typedef void arc_done_func_t(zio_t *zio, arc_buf_t *buf, void *cb_private);
42 +typedef int arc_evict_func_t(void *cb_private);
43 43
44 44 /* generic arc_done_func_t's which you can use */
45 45 arc_done_func_t arc_bcopy_func;
46 46 arc_done_func_t arc_getbuf_func;
47 47
48 48 struct arc_buf {
49 49 arc_buf_hdr_t *b_hdr;
50 50 arc_buf_t *b_next;
51 51 kmutex_t b_evict_lock;
52 52 void *b_data;
53 53 arc_evict_func_t *b_efunc;
54 54 void *b_private;
55 55 };
56 56
57 57 typedef enum arc_buf_contents {
58 58 ARC_BUFC_DATA, /* buffer contains data */
59 59 ARC_BUFC_METADATA, /* buffer contains metadata */
60 60 ARC_BUFC_NUMTYPES
61 61 } arc_buf_contents_t;
62 62 /*
63 63 * These are the flags we pass into calls to the arc
64 64 */
65 65 #define ARC_WAIT (1 << 1) /* perform I/O synchronously */
66 66 #define ARC_NOWAIT (1 << 2) /* perform I/O asynchronously */
67 67 #define ARC_PREFETCH (1 << 3) /* I/O is a prefetch */
68 68 #define ARC_CACHED (1 << 4) /* I/O was already in cache */
69 69 #define ARC_L2CACHE (1 << 5) /* cache in L2ARC */
70 70
71 71 /*
72 72 * The following breakdows of arc_size exist for kstat only.
73 73 */
74 74 typedef enum arc_space_type {
75 75 ARC_SPACE_DATA,
76 76 ARC_SPACE_HDRS,
77 77 ARC_SPACE_L2HDRS,
78 78 ARC_SPACE_OTHER,
79 79 ARC_SPACE_NUMTYPES
80 80 } arc_space_type_t;
81 81
82 82 void arc_space_consume(uint64_t space, arc_space_type_t type);
83 83 void arc_space_return(uint64_t space, arc_space_type_t type);
84 84 void *arc_data_buf_alloc(uint64_t space);
85 85 void arc_data_buf_free(void *buf, uint64_t space);
86 86 arc_buf_t *arc_buf_alloc(spa_t *spa, int size, void *tag,
87 87 arc_buf_contents_t type);
88 88 arc_buf_t *arc_loan_buf(spa_t *spa, int size);
89 89 void arc_return_buf(arc_buf_t *buf, void *tag);
90 90 void arc_loan_inuse_buf(arc_buf_t *buf, void *tag);
91 91 void arc_buf_add_ref(arc_buf_t *buf, void *tag);
92 92 boolean_t arc_buf_remove_ref(arc_buf_t *buf, void *tag);
93 93 int arc_buf_size(arc_buf_t *buf);
94 94 void arc_release(arc_buf_t *buf, void *tag);
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95 95 int arc_released(arc_buf_t *buf);
96 96 int arc_has_callback(arc_buf_t *buf);
97 97 void arc_buf_freeze(arc_buf_t *buf);
98 98 void arc_buf_thaw(arc_buf_t *buf);
99 99 boolean_t arc_buf_eviction_needed(arc_buf_t *buf);
100 100 #ifdef ZFS_DEBUG
101 101 int arc_referenced(arc_buf_t *buf);
102 102 #endif
103 103
104 104 int arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp,
105 - arc_done_func_t *done, void *private, int priority, int flags,
105 + arc_done_func_t *done, void *cb_private, int priority, int flags,
106 106 uint32_t *arc_flags, const zbookmark_t *zb);
107 107 zio_t *arc_write(zio_t *pio, spa_t *spa, uint64_t txg,
108 108 blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, const zio_prop_t *zp,
109 - arc_done_func_t *ready, arc_done_func_t *done, void *private,
109 + arc_done_func_t *ready, arc_done_func_t *done, void *cb_private,
110 110 int priority, int zio_flags, const zbookmark_t *zb);
111 111
112 -void arc_set_callback(arc_buf_t *buf, arc_evict_func_t *func, void *private);
112 +void arc_set_callback(arc_buf_t *buf, arc_evict_func_t *func,
113 + void *cb_private);
113 114 int arc_buf_evict(arc_buf_t *buf);
114 115
115 116 void arc_flush(spa_t *spa);
116 117 void arc_tempreserve_clear(uint64_t reserve);
117 118 int arc_tempreserve_space(uint64_t reserve, uint64_t txg);
118 119
119 120 void arc_init(void);
120 121 void arc_fini(void);
121 122
122 123 /*
123 124 * Level 2 ARC
124 125 */
125 126
126 127 void l2arc_add_vdev(spa_t *spa, vdev_t *vd);
127 128 void l2arc_remove_vdev(vdev_t *vd);
128 129 boolean_t l2arc_vdev_present(vdev_t *vd);
129 130 void l2arc_init(void);
130 131 void l2arc_fini(void);
131 132 void l2arc_start(void);
132 133 void l2arc_stop(void);
133 134
134 135 #ifndef _KERNEL
135 136 extern boolean_t arc_watch;
136 137 extern int arc_procfd;
137 138 #endif
138 139
139 140 #ifdef __cplusplus
140 141 }
141 142 #endif
142 143
143 144 #endif /* _SYS_ARC_H */
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