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34dc7c2f BB |
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 | /* | |
572e2857 | 22 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
eca7b760 | 23 | * Copyright (c) 2012, 2015 by Delphix. All rights reserved. |
a08abc1b | 24 | * Copyright 2016 Nexenta Systems, Inc. All rights reserved. |
34dc7c2f BB |
25 | */ |
26 | ||
27 | #ifndef _SYS_FS_ZFS_ZNODE_H | |
28 | #define _SYS_FS_ZFS_ZNODE_H | |
29 | ||
34dc7c2f BB |
30 | #ifdef _KERNEL |
31 | #include <sys/isa_defs.h> | |
32 | #include <sys/types32.h> | |
34dc7c2f BB |
33 | #include <sys/list.h> |
34 | #include <sys/dmu.h> | |
428870ff | 35 | #include <sys/sa.h> |
34dc7c2f BB |
36 | #include <sys/zfs_vfsops.h> |
37 | #include <sys/rrwlock.h> | |
428870ff | 38 | #include <sys/zfs_sa.h> |
572e2857 | 39 | #include <sys/zfs_stat.h> |
d88895a0 | 40 | #include <sys/zfs_rlock.h> |
34dc7c2f BB |
41 | #endif |
42 | #include <sys/zfs_acl.h> | |
43 | #include <sys/zil.h> | |
9c5167d1 | 44 | #include <sys/zfs_project.h> |
34dc7c2f BB |
45 | |
46 | #ifdef __cplusplus | |
47 | extern "C" { | |
48 | #endif | |
49 | ||
50 | /* | |
51 | * Additional file level attributes, that are stored | |
52 | * in the upper half of zp_flags | |
53 | */ | |
c5b3a7bb RC |
54 | #define ZFS_READONLY 0x0000000100000000ull |
55 | #define ZFS_HIDDEN 0x0000000200000000ull | |
56 | #define ZFS_SYSTEM 0x0000000400000000ull | |
57 | #define ZFS_ARCHIVE 0x0000000800000000ull | |
58 | #define ZFS_IMMUTABLE 0x0000001000000000ull | |
59 | #define ZFS_NOUNLINK 0x0000002000000000ull | |
60 | #define ZFS_APPENDONLY 0x0000004000000000ull | |
61 | #define ZFS_NODUMP 0x0000008000000000ull | |
62 | #define ZFS_OPAQUE 0x0000010000000000ull | |
5484965a BB |
63 | #define ZFS_AV_QUARANTINED 0x0000020000000000ull |
64 | #define ZFS_AV_MODIFIED 0x0000040000000000ull | |
c5b3a7bb RC |
65 | #define ZFS_REPARSE 0x0000080000000000ull |
66 | #define ZFS_OFFLINE 0x0000100000000000ull | |
67 | #define ZFS_SPARSE 0x0000200000000000ull | |
34dc7c2f | 68 | |
9c5167d1 NF |
69 | /* |
70 | * PROJINHERIT attribute is used to indicate that the child object under the | |
71 | * directory which has the PROJINHERIT attribute needs to inherit its parent | |
72 | * project ID that is used by project quota. | |
73 | */ | |
74 | #define ZFS_PROJINHERIT 0x0000400000000000ull | |
75 | ||
76 | /* | |
77 | * PROJID attr is used internally to indicate that the object has project ID. | |
78 | */ | |
79 | #define ZFS_PROJID 0x0000800000000000ull | |
80 | ||
428870ff | 81 | #define ZFS_ATTR_SET(zp, attr, value, pflags, tx) \ |
34dc7c2f BB |
82 | { \ |
83 | if (value) \ | |
428870ff | 84 | pflags |= attr; \ |
34dc7c2f | 85 | else \ |
428870ff | 86 | pflags &= ~attr; \ |
5484965a | 87 | VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(ZTOZSB(zp)), \ |
428870ff | 88 | &pflags, sizeof (pflags), tx)); \ |
34dc7c2f BB |
89 | } |
90 | ||
91 | /* | |
92 | * Define special zfs pflags | |
93 | */ | |
94 | #define ZFS_XATTR 0x1 /* is an extended attribute */ | |
95 | #define ZFS_INHERIT_ACE 0x2 /* ace has inheritable ACEs */ | |
5484965a BB |
96 | #define ZFS_ACL_TRIVIAL 0x4 /* files ACL is trivial */ |
97 | #define ZFS_ACL_OBJ_ACE 0x8 /* ACL has CMPLX Object ACE */ | |
34dc7c2f BB |
98 | #define ZFS_ACL_PROTECTED 0x10 /* ACL protected */ |
99 | #define ZFS_ACL_DEFAULTED 0x20 /* ACL should be defaulted */ | |
100 | #define ZFS_ACL_AUTO_INHERIT 0x40 /* ACL should be inherited */ | |
101 | #define ZFS_BONUS_SCANSTAMP 0x80 /* Scanstamp in bonus area */ | |
45d1cae3 | 102 | #define ZFS_NO_EXECS_DENIED 0x100 /* exec was given to everyone */ |
34dc7c2f | 103 | |
428870ff BB |
104 | #define SA_ZPL_ATIME(z) z->z_attr_table[ZPL_ATIME] |
105 | #define SA_ZPL_MTIME(z) z->z_attr_table[ZPL_MTIME] | |
106 | #define SA_ZPL_CTIME(z) z->z_attr_table[ZPL_CTIME] | |
107 | #define SA_ZPL_CRTIME(z) z->z_attr_table[ZPL_CRTIME] | |
108 | #define SA_ZPL_GEN(z) z->z_attr_table[ZPL_GEN] | |
109 | #define SA_ZPL_DACL_ACES(z) z->z_attr_table[ZPL_DACL_ACES] | |
110 | #define SA_ZPL_XATTR(z) z->z_attr_table[ZPL_XATTR] | |
111 | #define SA_ZPL_SYMLINK(z) z->z_attr_table[ZPL_SYMLINK] | |
112 | #define SA_ZPL_RDEV(z) z->z_attr_table[ZPL_RDEV] | |
113 | #define SA_ZPL_SCANSTAMP(z) z->z_attr_table[ZPL_SCANSTAMP] | |
114 | #define SA_ZPL_UID(z) z->z_attr_table[ZPL_UID] | |
115 | #define SA_ZPL_GID(z) z->z_attr_table[ZPL_GID] | |
116 | #define SA_ZPL_PARENT(z) z->z_attr_table[ZPL_PARENT] | |
117 | #define SA_ZPL_LINKS(z) z->z_attr_table[ZPL_LINKS] | |
118 | #define SA_ZPL_MODE(z) z->z_attr_table[ZPL_MODE] | |
119 | #define SA_ZPL_DACL_COUNT(z) z->z_attr_table[ZPL_DACL_COUNT] | |
120 | #define SA_ZPL_FLAGS(z) z->z_attr_table[ZPL_FLAGS] | |
121 | #define SA_ZPL_SIZE(z) z->z_attr_table[ZPL_SIZE] | |
122 | #define SA_ZPL_ZNODE_ACL(z) z->z_attr_table[ZPL_ZNODE_ACL] | |
82a37189 | 123 | #define SA_ZPL_DXATTR(z) z->z_attr_table[ZPL_DXATTR] |
428870ff | 124 | #define SA_ZPL_PAD(z) z->z_attr_table[ZPL_PAD] |
9c5167d1 | 125 | #define SA_ZPL_PROJID(z) z->z_attr_table[ZPL_PROJID] |
428870ff | 126 | |
34dc7c2f BB |
127 | /* |
128 | * Is ID ephemeral? | |
129 | */ | |
130 | #define IS_EPHEMERAL(x) (x > MAXUID) | |
131 | ||
132 | /* | |
133 | * Should we use FUIDs? | |
134 | */ | |
428870ff | 135 | #define USE_FUIDS(version, os) (version >= ZPL_VERSION_FUID && \ |
34dc7c2f | 136 | spa_version(dmu_objset_spa(os)) >= SPA_VERSION_FUID) |
428870ff BB |
137 | #define USE_SA(version, os) (version >= ZPL_VERSION_SA && \ |
138 | spa_version(dmu_objset_spa(os)) >= SPA_VERSION_SA) | |
34dc7c2f BB |
139 | |
140 | #define MASTER_NODE_OBJ 1 | |
141 | ||
142 | /* | |
143 | * Special attributes for master node. | |
9c5167d1 | 144 | * "userquota@", "groupquota@" and "projectquota@" are also valid (from |
9babb374 | 145 | * zfs_userquota_prop_prefixes[]). |
34dc7c2f BB |
146 | */ |
147 | #define ZFS_FSID "FSID" | |
148 | #define ZFS_UNLINKED_SET "DELETE_QUEUE" | |
149 | #define ZFS_ROOT_OBJ "ROOT" | |
150 | #define ZPL_VERSION_STR "VERSION" | |
151 | #define ZFS_FUID_TABLES "FUID" | |
9babb374 | 152 | #define ZFS_SHARES_DIR "SHARES" |
428870ff | 153 | #define ZFS_SA_ATTRS "SA_ATTRS" |
34dc7c2f | 154 | |
34dc7c2f BB |
155 | /* |
156 | * Convert mode bits (zp_mode) to BSD-style DT_* values for storing in | |
054bc00b BB |
157 | * the directory entries. On Linux systems this value is already |
158 | * defined correctly as part of the /usr/include/dirent.h header file. | |
34dc7c2f | 159 | */ |
054bc00b | 160 | #ifndef IFTODT |
34dc7c2f | 161 | #define IFTODT(mode) (((mode) & S_IFMT) >> 12) |
054bc00b | 162 | #endif |
34dc7c2f BB |
163 | |
164 | /* | |
165 | * The directory entry has the type (currently unused on Solaris) in the | |
166 | * top 4 bits, and the object number in the low 48 bits. The "middle" | |
167 | * 12 bits are unused. | |
168 | */ | |
169 | #define ZFS_DIRENT_TYPE(de) BF64_GET(de, 60, 4) | |
170 | #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) | |
171 | ||
34dc7c2f BB |
172 | /* |
173 | * Directory entry locks control access to directory entries. | |
174 | * They are used to protect creates, deletes, and renames. | |
175 | * Each directory znode has a mutex and a list of locked names. | |
176 | */ | |
177 | #ifdef _KERNEL | |
178 | typedef struct zfs_dirlock { | |
179 | char *dl_name; /* directory entry being locked */ | |
180 | uint32_t dl_sharecnt; /* 0 if exclusive, > 0 if shared */ | |
428870ff | 181 | uint8_t dl_namelock; /* 1 if z_name_lock is NOT held */ |
34dc7c2f BB |
182 | uint16_t dl_namesize; /* set if dl_name was allocated */ |
183 | kcondvar_t dl_cv; /* wait for entry to be unlocked */ | |
184 | struct znode *dl_dzp; /* directory znode */ | |
185 | struct zfs_dirlock *dl_next; /* next in z_dirlocks list */ | |
186 | } zfs_dirlock_t; | |
187 | ||
188 | typedef struct znode { | |
34dc7c2f BB |
189 | uint64_t z_id; /* object ID for this znode */ |
190 | kmutex_t z_lock; /* znode modification lock */ | |
34dc7c2f BB |
191 | krwlock_t z_parent_lock; /* parent lock for directories */ |
192 | krwlock_t z_name_lock; /* "master" lock for dirent locks */ | |
193 | zfs_dirlock_t *z_dirlocks; /* directory entry lock list */ | |
d88895a0 | 194 | zfs_rlock_t z_range_lock; /* file range lock */ |
34dc7c2f BB |
195 | uint8_t z_unlinked; /* file has been unlinked */ |
196 | uint8_t z_atime_dirty; /* atime needs to be synced */ | |
197 | uint8_t z_zn_prefetch; /* Prefetch znodes? */ | |
572e2857 | 198 | uint8_t z_moved; /* Has this znode been moved? */ |
34dc7c2f BB |
199 | uint_t z_blksz; /* block size in bytes */ |
200 | uint_t z_seq; /* modification sequence number */ | |
201 | uint64_t z_mapcnt; /* number of pages mapped to file */ | |
50c957f7 | 202 | uint64_t z_dnodesize; /* dnode size */ |
428870ff | 203 | uint64_t z_size; /* file size (cached) */ |
428870ff | 204 | uint64_t z_pflags; /* pflags (cached) */ |
34dc7c2f | 205 | uint32_t z_sync_cnt; /* synchronous open count */ |
7f89ae6b | 206 | mode_t z_mode; /* mode (cached) */ |
34dc7c2f | 207 | kmutex_t z_acl_lock; /* acl data lock */ |
45d1cae3 | 208 | zfs_acl_t *z_acl_cached; /* cached acl */ |
82a37189 | 209 | krwlock_t z_xattr_lock; /* xattr data lock */ |
d1d7e268 | 210 | nvlist_t *z_xattr_cached; /* cached xattrs */ |
98701490 | 211 | uint64_t z_xattr_parent; /* parent obj for this xattr */ |
9c5167d1 | 212 | uint64_t z_projid; /* project ID */ |
34dc7c2f | 213 | list_node_t z_link_node; /* all znodes in fs link */ |
428870ff BB |
214 | sa_handle_t *z_sa_hdl; /* handle to sa data */ |
215 | boolean_t z_is_sa; /* are we native sa? */ | |
c0d35759 | 216 | boolean_t z_is_mapped; /* are we mmap'ed */ |
ebe7e575 | 217 | boolean_t z_is_ctldir; /* are we .zfs entry */ |
7b3e34ba | 218 | boolean_t z_is_stale; /* are we stale due to rollback? */ |
7304b6e5 | 219 | struct inode z_inode; /* generic vfs inode */ |
34dc7c2f BB |
220 | } znode_t; |
221 | ||
c96c36fa BB |
222 | typedef struct znode_hold { |
223 | uint64_t zh_obj; /* object id */ | |
224 | kmutex_t zh_lock; /* lock serializing object access */ | |
225 | avl_node_t zh_node; /* avl tree linkage */ | |
c13060e4 | 226 | zfs_refcount_t zh_refcount; /* active consumer reference count */ |
c96c36fa | 227 | } znode_hold_t; |
34dc7c2f | 228 | |
9c5167d1 NF |
229 | static inline uint64_t |
230 | zfs_inherit_projid(znode_t *dzp) | |
231 | { | |
232 | return ((dzp->z_pflags & ZFS_PROJINHERIT) ? dzp->z_projid : | |
233 | ZFS_DEFAULT_PROJID); | |
234 | } | |
235 | ||
34dc7c2f BB |
236 | /* |
237 | * Range locking rules | |
238 | * -------------------- | |
239 | * 1. When truncating a file (zfs_create, zfs_setattr, zfs_space) the whole | |
240 | * file range needs to be locked as RL_WRITER. Only then can the pages be | |
241 | * freed etc and zp_size reset. zp_size must be set within range lock. | |
242 | * 2. For writes and punching holes (zfs_write & zfs_space) just the range | |
243 | * being written or freed needs to be locked as RL_WRITER. | |
244 | * Multiple writes at the end of the file must coordinate zp_size updates | |
245 | * to ensure data isn't lost. A compare and swap loop is currently used | |
246 | * to ensure the file size is at least the offset last written. | |
247 | * 3. For reads (zfs_read, zfs_get_data & zfs_putapage) just the range being | |
248 | * read needs to be locked as RL_READER. A check against zp_size can then | |
249 | * be made for reading beyond end of file. | |
250 | */ | |
251 | ||
252 | /* | |
7304b6e5 | 253 | * Convert between znode pointers and inode pointers |
34dc7c2f | 254 | */ |
3558fd73 BB |
255 | #define ZTOI(znode) (&((znode)->z_inode)) |
256 | #define ITOZ(inode) (container_of((inode), znode_t, z_inode)) | |
0037b49e BB |
257 | #define ZTOZSB(znode) ((zfsvfs_t *)(ZTOI(znode)->i_sb->s_fs_info)) |
258 | #define ITOZSB(inode) ((zfsvfs_t *)((inode)->i_sb->s_fs_info)) | |
34dc7c2f | 259 | |
3558fd73 | 260 | #define S_ISDEV(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISFIFO(mode)) |
7304b6e5 | 261 | |
499b5497 JG |
262 | /* Called on entry to each ZFS inode and vfs operation. */ |
263 | #define ZFS_ENTER_ERROR(zfsvfs, error) \ | |
264 | do { \ | |
265 | rrm_enter_read(&(zfsvfs)->z_teardown_lock, FTAG); \ | |
266 | if ((zfsvfs)->z_unmounted) { \ | |
267 | ZFS_EXIT(zfsvfs); \ | |
268 | return (error); \ | |
269 | } \ | |
270 | } while (0) | |
271 | #define ZFS_ENTER(zfsvfs) ZFS_ENTER_ERROR(zfsvfs, EIO) | |
272 | #define ZPL_ENTER(zfsvfs) ZFS_ENTER_ERROR(zfsvfs, -EIO) | |
34dc7c2f | 273 | |
499b5497 JG |
274 | /* Must be called before exiting the operation. */ |
275 | #define ZFS_EXIT(zfsvfs) \ | |
276 | do { \ | |
277 | rrm_exit(&(zfsvfs)->z_teardown_lock, FTAG); \ | |
278 | } while (0) | |
279 | #define ZPL_EXIT(zfsvfs) ZFS_EXIT(zfsvfs) | |
34dc7c2f | 280 | |
499b5497 JG |
281 | /* Verifies the znode is valid. */ |
282 | #define ZFS_VERIFY_ZP_ERROR(zp, error) \ | |
283 | do { \ | |
284 | if ((zp)->z_sa_hdl == NULL) { \ | |
285 | ZFS_EXIT(ZTOZSB(zp)); \ | |
286 | return (error); \ | |
287 | } \ | |
288 | } while (0) | |
289 | #define ZFS_VERIFY_ZP(zp) ZFS_VERIFY_ZP_ERROR(zp, EIO) | |
290 | #define ZPL_VERIFY_ZP(zp) ZFS_VERIFY_ZP_ERROR(zp, -EIO) | |
34dc7c2f BB |
291 | |
292 | /* | |
293 | * Macros for dealing with dmu_buf_hold | |
294 | */ | |
c96c36fa BB |
295 | #define ZFS_OBJ_MTX_SZ 64 |
296 | #define ZFS_OBJ_MTX_MAX (1024 * 1024) | |
0037b49e | 297 | #define ZFS_OBJ_HASH(zfsvfs, obj) ((obj) & ((zfsvfs->z_hold_size) - 1)) |
0720116d BB |
298 | |
299 | extern unsigned int zfs_object_mutex_size; | |
300 | ||
6413c95f BB |
301 | /* |
302 | * Encode ZFS stored time values from a struct timespec / struct timespec64. | |
303 | */ | |
34dc7c2f | 304 | #define ZFS_TIME_ENCODE(tp, stmp) \ |
6413c95f | 305 | do { \ |
b128c09f | 306 | (stmp)[0] = (uint64_t)(tp)->tv_sec; \ |
34dc7c2f | 307 | (stmp)[1] = (uint64_t)(tp)->tv_nsec; \ |
6413c95f | 308 | } while (0) |
34dc7c2f | 309 | |
6413c95f BB |
310 | #if defined(HAVE_INODE_TIMESPEC64_TIMES) |
311 | /* | |
312 | * Decode ZFS stored time values to a struct timespec64 | |
313 | * 4.18 and newer kernels. | |
314 | */ | |
34dc7c2f | 315 | #define ZFS_TIME_DECODE(tp, stmp) \ |
6413c95f BB |
316 | do { \ |
317 | (tp)->tv_sec = (time64_t)(stmp)[0]; \ | |
318 | (tp)->tv_nsec = (long)(stmp)[1]; \ | |
319 | } while (0) | |
320 | #else | |
321 | /* | |
322 | * Decode ZFS stored time values to a struct timespec | |
323 | * 4.17 and older kernels. | |
324 | */ | |
325 | #define ZFS_TIME_DECODE(tp, stmp) \ | |
326 | do { \ | |
327 | (tp)->tv_sec = (time_t)(stmp)[0]; \ | |
328 | (tp)->tv_nsec = (long)(stmp)[1]; \ | |
329 | } while (0) | |
330 | #endif /* HAVE_INODE_TIMESPEC64_TIMES */ | |
34dc7c2f BB |
331 | |
332 | /* | |
333 | * Timestamp defines | |
334 | */ | |
3558fd73 BB |
335 | #define ACCESSED (ATTR_ATIME) |
336 | #define STATE_CHANGED (ATTR_CTIME) | |
337 | #define CONTENT_MODIFIED (ATTR_MTIME | ATTR_CTIME) | |
34dc7c2f | 338 | |
0037b49e | 339 | extern int zfs_init_fs(zfsvfs_t *, znode_t **); |
34dc7c2f BB |
340 | extern void zfs_set_dataprop(objset_t *); |
341 | extern void zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *, | |
342 | dmu_tx_t *tx); | |
428870ff | 343 | extern void zfs_tstamp_update_setup(znode_t *, uint_t, uint64_t [2], |
0df9673f | 344 | uint64_t [2]); |
34dc7c2f BB |
345 | extern void zfs_grow_blocksize(znode_t *, uint64_t, dmu_tx_t *); |
346 | extern int zfs_freesp(znode_t *, uint64_t, uint64_t, int, boolean_t); | |
347 | extern void zfs_znode_init(void); | |
348 | extern void zfs_znode_fini(void); | |
c96c36fa | 349 | extern int zfs_znode_hold_compare(const void *, const void *); |
0037b49e | 350 | extern int zfs_zget(zfsvfs_t *, uint64_t, znode_t **); |
34dc7c2f BB |
351 | extern int zfs_rezget(znode_t *); |
352 | extern void zfs_zinactive(znode_t *); | |
353 | extern void zfs_znode_delete(znode_t *, dmu_tx_t *); | |
0bc8fd78 BB |
354 | extern void zfs_remove_op_tables(void); |
355 | extern int zfs_create_op_tables(void); | |
03f9ba9d | 356 | extern int zfs_sync(struct super_block *, int, cred_t *); |
34dc7c2f BB |
357 | extern dev_t zfs_cmpldev(uint64_t); |
358 | extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop, uint64_t *value); | |
34dc7c2f | 359 | extern int zfs_get_stats(objset_t *os, nvlist_t *nv); |
a08abc1b | 360 | extern boolean_t zfs_get_vfs_flag_unmounted(objset_t *os); |
34dc7c2f | 361 | extern void zfs_znode_dmu_fini(znode_t *); |
3558fd73 BB |
362 | extern int zfs_inode_alloc(struct super_block *, struct inode **ip); |
363 | extern void zfs_inode_destroy(struct inode *); | |
960e08fe | 364 | extern void zfs_inode_update(znode_t *); |
1e8db771 | 365 | extern void zfs_mark_inode_dirty(struct inode *); |
34dc7c2f BB |
366 | |
367 | extern void zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, | |
368 | znode_t *dzp, znode_t *zp, char *name, vsecattr_t *, zfs_fuid_info_t *, | |
369 | vattr_t *vap); | |
370 | extern int zfs_log_create_txtype(zil_create_t, vsecattr_t *vsecp, | |
371 | vattr_t *vap); | |
372 | extern void zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, | |
572e2857 BB |
373 | znode_t *dzp, char *name, uint64_t foid); |
374 | #define ZFS_NO_OBJECT 0 /* no object id */ | |
34dc7c2f BB |
375 | extern void zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, |
376 | znode_t *dzp, znode_t *zp, char *name); | |
377 | extern void zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, | |
378 | znode_t *dzp, znode_t *zp, char *name, char *link); | |
379 | extern void zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, | |
380 | znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp); | |
381 | extern void zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, | |
119a394a ED |
382 | znode_t *zp, offset_t off, ssize_t len, int ioflag, |
383 | zil_callback_t callback, void *callback_data); | |
34dc7c2f BB |
384 | extern void zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, |
385 | znode_t *zp, uint64_t off, uint64_t len); | |
386 | extern void zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, | |
5484965a | 387 | znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp); |
34dc7c2f BB |
388 | extern void zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, |
389 | vsecattr_t *vsecp, zfs_fuid_info_t *fuidp); | |
428870ff | 390 | extern void zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx); |
0037b49e BB |
391 | extern void zfs_upgrade(zfsvfs_t *zfsvfs, dmu_tx_t *tx); |
392 | extern int zfs_create_share_dir(zfsvfs_t *zfsvfs, dmu_tx_t *tx); | |
34dc7c2f | 393 | |
60101509 | 394 | #if defined(HAVE_UIO_RW) |
b128c09f BB |
395 | extern caddr_t zfs_map_page(page_t *, enum seg_rw); |
396 | extern void zfs_unmap_page(page_t *, caddr_t); | |
60101509 | 397 | #endif /* HAVE_UIO_RW */ |
b128c09f | 398 | |
34dc7c2f | 399 | extern zil_get_data_t zfs_get_data; |
867959b5 | 400 | extern zil_replay_func_t *zfs_replay_vector[TX_MAX_TYPE]; |
34dc7c2f BB |
401 | extern int zfsfstype; |
402 | ||
403 | #endif /* _KERNEL */ | |
404 | ||
405 | extern int zfs_obj_to_path(objset_t *osp, uint64_t obj, char *buf, int len); | |
406 | ||
407 | #ifdef __cplusplus | |
408 | } | |
409 | #endif | |
410 | ||
411 | #endif /* _SYS_FS_ZFS_ZNODE_H */ |