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3752 want more verifiable dbuf user eviction
Submitted by: Justin Gibbs <justing@spectralogic.com>
Submitted by: Will Andrews <willa@spectralogic.com>
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--- old/usr/src/lib/libzfs/common/libzfs_impl.h
+++ new/usr/src/lib/libzfs/common/libzfs_impl.h
1 1 /*
2 2 * CDDL HEADER SART
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
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20 20 */
21 21
22 22 /*
23 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 24 * Copyright (c) 2012 by Delphix. All rights reserved.
25 25 */
26 26
27 27 #ifndef _LIBZFS_IMPL_H
28 28 #define _LIBZFS_IMPL_H
29 29
30 -#include <sys/dmu.h>
31 30 #include <sys/fs/zfs.h>
32 31 #include <sys/zfs_ioctl.h>
33 32 #include <sys/spa.h>
34 33 #include <sys/nvpair.h>
35 34
36 35 #include <libuutil.h>
37 36 #include <libzfs.h>
38 37 #include <libshare.h>
39 38 #include <libzfs_core.h>
40 39
41 40 #include <fm/libtopo.h>
42 41
43 42 #ifdef __cplusplus
44 43 extern "C" {
45 44 #endif
46 45
47 46 #ifdef VERIFY
48 47 #undef VERIFY
49 48 #endif
50 49 #define VERIFY verify
51 50
52 51 typedef struct libzfs_fru {
53 52 char *zf_device;
54 53 char *zf_fru;
55 54 struct libzfs_fru *zf_chain;
56 55 struct libzfs_fru *zf_next;
57 56 } libzfs_fru_t;
58 57
59 58 struct libzfs_handle {
60 59 int libzfs_error;
61 60 int libzfs_fd;
62 61 FILE *libzfs_mnttab;
63 62 FILE *libzfs_sharetab;
64 63 zpool_handle_t *libzfs_pool_handles;
65 64 uu_avl_pool_t *libzfs_ns_avlpool;
66 65 uu_avl_t *libzfs_ns_avl;
67 66 uint64_t libzfs_ns_gen;
68 67 int libzfs_desc_active;
69 68 char libzfs_action[1024];
70 69 char libzfs_desc[1024];
71 70 int libzfs_printerr;
72 71 int libzfs_storeerr; /* stuff error messages into buffer */
73 72 void *libzfs_sharehdl; /* libshare handle */
74 73 uint_t libzfs_shareflags;
75 74 boolean_t libzfs_mnttab_enable;
76 75 avl_tree_t libzfs_mnttab_cache;
77 76 int libzfs_pool_iter;
78 77 topo_hdl_t *libzfs_topo_hdl;
79 78 libzfs_fru_t **libzfs_fru_hash;
80 79 libzfs_fru_t *libzfs_fru_list;
81 80 char libzfs_chassis_id[256];
82 81 };
83 82
84 83 #define ZFSSHARE_MISS 0x01 /* Didn't find entry in cache */
85 84
86 85 struct zfs_handle {
87 86 libzfs_handle_t *zfs_hdl;
88 87 zpool_handle_t *zpool_hdl;
89 88 char zfs_name[ZFS_MAXNAMELEN];
90 89 zfs_type_t zfs_type; /* type including snapshot */
91 90 zfs_type_t zfs_head_type; /* type excluding snapshot */
92 91 dmu_objset_stats_t zfs_dmustats;
93 92 nvlist_t *zfs_props;
94 93 nvlist_t *zfs_user_props;
95 94 nvlist_t *zfs_recvd_props;
96 95 boolean_t zfs_mntcheck;
97 96 char *zfs_mntopts;
98 97 uint8_t *zfs_props_table;
99 98 };
100 99
101 100 /*
102 101 * This is different from checking zfs_type, because it will also catch
103 102 * snapshots of volumes.
104 103 */
105 104 #define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME)
106 105
107 106 struct zpool_handle {
108 107 libzfs_handle_t *zpool_hdl;
109 108 zpool_handle_t *zpool_next;
110 109 char zpool_name[ZPOOL_MAXNAMELEN];
111 110 int zpool_state;
112 111 size_t zpool_config_size;
113 112 nvlist_t *zpool_config;
114 113 nvlist_t *zpool_old_config;
115 114 nvlist_t *zpool_props;
116 115 diskaddr_t zpool_start_block;
117 116 };
118 117
119 118 typedef enum {
120 119 PROTO_NFS = 0,
121 120 PROTO_SMB = 1,
122 121 PROTO_END = 2
123 122 } zfs_share_proto_t;
124 123
125 124 /*
126 125 * The following can be used as a bitmask and any new values
127 126 * added must preserve that capability.
128 127 */
129 128 typedef enum {
130 129 SHARED_NOT_SHARED = 0x0,
131 130 SHARED_NFS = 0x2,
132 131 SHARED_SMB = 0x4
133 132 } zfs_share_type_t;
134 133
135 134 int zfs_error(libzfs_handle_t *, int, const char *);
136 135 int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...);
137 136 void zfs_error_aux(libzfs_handle_t *, const char *, ...);
138 137 void *zfs_alloc(libzfs_handle_t *, size_t);
139 138 void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t);
140 139 char *zfs_asprintf(libzfs_handle_t *, const char *, ...);
141 140 char *zfs_strdup(libzfs_handle_t *, const char *);
142 141 int no_memory(libzfs_handle_t *);
143 142
144 143 int zfs_standard_error(libzfs_handle_t *, int, const char *);
145 144 int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
146 145 int zpool_standard_error(libzfs_handle_t *, int, const char *);
147 146 int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
148 147
149 148 int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***,
150 149 size_t *);
151 150 zfs_handle_t *make_dataset_handle_zc(libzfs_handle_t *, zfs_cmd_t *);
152 151
153 152
154 153 int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t,
155 154 nvlist_t *, char **, uint64_t *, const char *);
156 155 int zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp,
157 156 zfs_type_t type);
158 157
159 158 /*
160 159 * Use this changelist_gather() flag to force attempting mounts
161 160 * on each change node regardless of whether or not it is currently
162 161 * mounted.
163 162 */
164 163 #define CL_GATHER_MOUNT_ALWAYS 1
165 164
166 165 typedef struct prop_changelist prop_changelist_t;
167 166
168 167 int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t);
169 168 int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *);
170 169 int zcmd_write_conf_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *);
171 170 int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *);
172 171 int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **);
173 172 void zcmd_free_nvlists(zfs_cmd_t *);
174 173
175 174 int changelist_prefix(prop_changelist_t *);
176 175 int changelist_postfix(prop_changelist_t *);
177 176 void changelist_rename(prop_changelist_t *, const char *, const char *);
178 177 void changelist_remove(prop_changelist_t *, const char *);
179 178 void changelist_free(prop_changelist_t *);
180 179 prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int, int);
181 180 int changelist_unshare(prop_changelist_t *, zfs_share_proto_t *);
182 181 int changelist_haszonedchild(prop_changelist_t *);
183 182
184 183 void remove_mountpoint(zfs_handle_t *);
185 184 int create_parents(libzfs_handle_t *, char *, int);
186 185 boolean_t isa_child_of(const char *dataset, const char *parent);
187 186
188 187 zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *);
189 188
190 189 int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **);
191 190
192 191 boolean_t zpool_name_valid(libzfs_handle_t *, boolean_t, const char *);
193 192
194 193 int zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type,
195 194 boolean_t modifying);
196 195
197 196 void namespace_clear(libzfs_handle_t *);
198 197
199 198 /*
200 199 * libshare (sharemgr) interfaces used internally.
201 200 */
202 201
203 202 extern int zfs_init_libshare(libzfs_handle_t *, int);
204 203 extern void zfs_uninit_libshare(libzfs_handle_t *);
205 204 extern int zfs_parse_options(char *, zfs_share_proto_t);
206 205
207 206 extern int zfs_unshare_proto(zfs_handle_t *,
208 207 const char *, zfs_share_proto_t *);
209 208
210 209 extern void libzfs_fru_clear(libzfs_handle_t *, boolean_t);
211 210
212 211 #ifdef __cplusplus
213 212 }
214 213 #endif
215 214
216 215 #endif /* _LIBZFS_IMPL_H */
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