1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 22744947dcSTom Erickson * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 2379315247SMatthew Ahrens * Copyright (c) 2012, 2018 by Delphix. All rights reserved. 24c3d26abcSMatthew Ahrens * Copyright (c) 2014 Integros [integros.com] 25eb721827SAlek Pinchuk * Copyright 2016 Nexenta Systems, Inc. All rights reserved. 26fa9e4066Sahrens */ 27fa9e4066Sahrens 28fa9e4066Sahrens #ifndef _SYS_FS_ZFS_ZNODE_H 29fa9e4066Sahrens #define _SYS_FS_ZFS_ZNODE_H 30fa9e4066Sahrens 31fa9e4066Sahrens #ifdef _KERNEL 32fa9e4066Sahrens #include <sys/isa_defs.h> 33fa9e4066Sahrens #include <sys/types32.h> 34da6c28aaSamw #include <sys/attr.h> 35fa9e4066Sahrens #include <sys/list.h> 36fa9e4066Sahrens #include <sys/dmu.h> 370a586ceaSMark Shellenbaum #include <sys/sa.h> 38fa9e4066Sahrens #include <sys/zfs_vfsops.h> 39f18faf3fSek #include <sys/rrwlock.h> 400a586ceaSMark Shellenbaum #include <sys/zfs_sa.h> 4199d5e173STim Haley #include <sys/zfs_stat.h> 4279315247SMatthew Ahrens #include <sys/zfs_rlock.h> 43fa9e4066Sahrens #endif 44fa9e4066Sahrens #include <sys/zfs_acl.h> 45fa9e4066Sahrens #include <sys/zil.h> 46fa9e4066Sahrens 47fa9e4066Sahrens #ifdef __cplusplus 48fa9e4066Sahrens extern "C" { 49fa9e4066Sahrens #endif 50fa9e4066Sahrens 51da6c28aaSamw /* 52da6c28aaSamw * Additional file level attributes, that are stored 53da6c28aaSamw * in the upper half of zp_flags 54da6c28aaSamw */ 55da6c28aaSamw #define ZFS_READONLY 0x0000000100000000 56da6c28aaSamw #define ZFS_HIDDEN 0x0000000200000000 57da6c28aaSamw #define ZFS_SYSTEM 0x0000000400000000 58da6c28aaSamw #define ZFS_ARCHIVE 0x0000000800000000 59da6c28aaSamw #define ZFS_IMMUTABLE 0x0000001000000000 60da6c28aaSamw #define ZFS_NOUNLINK 0x0000002000000000 61da6c28aaSamw #define ZFS_APPENDONLY 0x0000004000000000 62da6c28aaSamw #define ZFS_NODUMP 0x0000008000000000 63da6c28aaSamw #define ZFS_OPAQUE 0x0000010000000000 6479315247SMatthew Ahrens #define ZFS_AV_QUARANTINED 0x0000020000000000 6579315247SMatthew Ahrens #define ZFS_AV_MODIFIED 0x0000040000000000 667a286c47SDai Ngo #define ZFS_REPARSE 0x0000080000000000 67fd9ee8b5Sjoyce mcintosh #define ZFS_OFFLINE 0x0000100000000000 68fd9ee8b5Sjoyce mcintosh #define ZFS_SPARSE 0x0000200000000000 69da6c28aaSamw 700a586ceaSMark Shellenbaum #define ZFS_ATTR_SET(zp, attr, value, pflags, tx) \ 71da6c28aaSamw { \ 72da6c28aaSamw if (value) \ 730a586ceaSMark Shellenbaum pflags |= attr; \ 74da6c28aaSamw else \ 750a586ceaSMark Shellenbaum pflags &= ~attr; \ 760a586ceaSMark Shellenbaum VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(zp->z_zfsvfs), \ 770a586ceaSMark Shellenbaum &pflags, sizeof (pflags), tx)); \ 78da6c28aaSamw } 79da6c28aaSamw 80fa9e4066Sahrens /* 81fa9e4066Sahrens * Define special zfs pflags 82fa9e4066Sahrens */ 83da6c28aaSamw #define ZFS_XATTR 0x1 /* is an extended attribute */ 84da6c28aaSamw #define ZFS_INHERIT_ACE 0x2 /* ace has inheritable ACEs */ 8579315247SMatthew Ahrens #define ZFS_ACL_TRIVIAL 0x4 /* files ACL is trivial */ 8679315247SMatthew Ahrens #define ZFS_ACL_OBJ_ACE 0x8 /* ACL has CMPLX Object ACE */ 87da6c28aaSamw #define ZFS_ACL_PROTECTED 0x10 /* ACL protected */ 88da6c28aaSamw #define ZFS_ACL_DEFAULTED 0x20 /* ACL should be defaulted */ 89da6c28aaSamw #define ZFS_ACL_AUTO_INHERIT 0x40 /* ACL should be inherited */ 90da6c28aaSamw #define ZFS_BONUS_SCANSTAMP 0x80 /* Scanstamp in bonus area */ 91d47621a4STim Haley #define ZFS_NO_EXECS_DENIED 0x100 /* exec was given to everyone */ 92da6c28aaSamw 930a586ceaSMark Shellenbaum #define SA_ZPL_ATIME(z) z->z_attr_table[ZPL_ATIME] 940a586ceaSMark Shellenbaum #define SA_ZPL_MTIME(z) z->z_attr_table[ZPL_MTIME] 950a586ceaSMark Shellenbaum #define SA_ZPL_CTIME(z) z->z_attr_table[ZPL_CTIME] 960a586ceaSMark Shellenbaum #define SA_ZPL_CRTIME(z) z->z_attr_table[ZPL_CRTIME] 970a586ceaSMark Shellenbaum #define SA_ZPL_GEN(z) z->z_attr_table[ZPL_GEN] 980a586ceaSMark Shellenbaum #define SA_ZPL_DACL_ACES(z) z->z_attr_table[ZPL_DACL_ACES] 990a586ceaSMark Shellenbaum #define SA_ZPL_XATTR(z) z->z_attr_table[ZPL_XATTR] 1000a586ceaSMark Shellenbaum #define SA_ZPL_SYMLINK(z) z->z_attr_table[ZPL_SYMLINK] 1010a586ceaSMark Shellenbaum #define SA_ZPL_RDEV(z) z->z_attr_table[ZPL_RDEV] 1020a586ceaSMark Shellenbaum #define SA_ZPL_SCANSTAMP(z) z->z_attr_table[ZPL_SCANSTAMP] 1030a586ceaSMark Shellenbaum #define SA_ZPL_UID(z) z->z_attr_table[ZPL_UID] 1040a586ceaSMark Shellenbaum #define SA_ZPL_GID(z) z->z_attr_table[ZPL_GID] 1050a586ceaSMark Shellenbaum #define SA_ZPL_PARENT(z) z->z_attr_table[ZPL_PARENT] 1060a586ceaSMark Shellenbaum #define SA_ZPL_LINKS(z) z->z_attr_table[ZPL_LINKS] 1070a586ceaSMark Shellenbaum #define SA_ZPL_MODE(z) z->z_attr_table[ZPL_MODE] 1080a586ceaSMark Shellenbaum #define SA_ZPL_DACL_COUNT(z) z->z_attr_table[ZPL_DACL_COUNT] 1090a586ceaSMark Shellenbaum #define SA_ZPL_FLAGS(z) z->z_attr_table[ZPL_FLAGS] 1100a586ceaSMark Shellenbaum #define SA_ZPL_SIZE(z) z->z_attr_table[ZPL_SIZE] 1110a586ceaSMark Shellenbaum #define SA_ZPL_ZNODE_ACL(z) z->z_attr_table[ZPL_ZNODE_ACL] 1120a586ceaSMark Shellenbaum #define SA_ZPL_PAD(z) z->z_attr_table[ZPL_PAD] 1130a586ceaSMark Shellenbaum 114da6c28aaSamw /* 115da6c28aaSamw * Is ID ephemeral? 116da6c28aaSamw */ 117da6c28aaSamw #define IS_EPHEMERAL(x) (x > MAXUID) 118da6c28aaSamw 119da6c28aaSamw /* 120da6c28aaSamw * Should we use FUIDs? 121da6c28aaSamw */ 1220a586ceaSMark Shellenbaum #define USE_FUIDS(version, os) (version >= ZPL_VERSION_FUID && \ 123da6c28aaSamw spa_version(dmu_objset_spa(os)) >= SPA_VERSION_FUID) 1240a586ceaSMark Shellenbaum #define USE_SA(version, os) (version >= ZPL_VERSION_SA && \ 1250a586ceaSMark Shellenbaum spa_version(dmu_objset_spa(os)) >= SPA_VERSION_SA) 126fa9e4066Sahrens 127fa9e4066Sahrens #define MASTER_NODE_OBJ 1 128fa9e4066Sahrens 129fa9e4066Sahrens /* 130da6c28aaSamw * Special attributes for master node. 13114843421SMatthew Ahrens * "userquota@" and "groupquota@" are also valid (from 13214843421SMatthew Ahrens * zfs_userquota_prop_prefixes[]). 133fa9e4066Sahrens */ 134fa9e4066Sahrens #define ZFS_FSID "FSID" 135893a6d32Sahrens #define ZFS_UNLINKED_SET "DELETE_QUEUE" 136fa9e4066Sahrens #define ZFS_ROOT_OBJ "ROOT" 137e7437265Sahrens #define ZPL_VERSION_STR "VERSION" 138da6c28aaSamw #define ZFS_FUID_TABLES "FUID" 139743a77edSAlan Wright #define ZFS_SHARES_DIR "SHARES" 1400a586ceaSMark Shellenbaum #define ZFS_SA_ATTRS "SA_ATTRS" 141fa9e4066Sahrens 142e7437265Sahrens /* 143e7437265Sahrens * Convert mode bits (zp_mode) to BSD-style DT_* values for storing in 144e7437265Sahrens * the directory entries. 145e7437265Sahrens */ 146e7437265Sahrens #define IFTODT(mode) (((mode) & S_IFMT) >> 12) 147e7437265Sahrens 148b1b8ab34Slling /* 149b1b8ab34Slling * The directory entry has the type (currently unused on Solaris) in the 150b1b8ab34Slling * top 4 bits, and the object number in the low 48 bits. The "middle" 151b1b8ab34Slling * 12 bits are unused. 152b1b8ab34Slling */ 153b1b8ab34Slling #define ZFS_DIRENT_TYPE(de) BF64_GET(de, 60, 4) 154b1b8ab34Slling #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) 155b1b8ab34Slling 156fa9e4066Sahrens /* 157fa9e4066Sahrens * Directory entry locks control access to directory entries. 158fa9e4066Sahrens * They are used to protect creates, deletes, and renames. 159fa9e4066Sahrens * Each directory znode has a mutex and a list of locked names. 160fa9e4066Sahrens */ 161fa9e4066Sahrens #ifdef _KERNEL 162fa9e4066Sahrens typedef struct zfs_dirlock { 163fa9e4066Sahrens char *dl_name; /* directory entry being locked */ 164fa9e4066Sahrens uint32_t dl_sharecnt; /* 0 if exclusive, > 0 if shared */ 165afefc7e4SSanjeev Bagewadi uint8_t dl_namelock; /* 1 if z_name_lock is NOT held */ 166fa9e4066Sahrens uint16_t dl_namesize; /* set if dl_name was allocated */ 167fa9e4066Sahrens kcondvar_t dl_cv; /* wait for entry to be unlocked */ 168fa9e4066Sahrens struct znode *dl_dzp; /* directory znode */ 169fa9e4066Sahrens struct zfs_dirlock *dl_next; /* next in z_dirlocks list */ 170fa9e4066Sahrens } zfs_dirlock_t; 171fa9e4066Sahrens 172fa9e4066Sahrens typedef struct znode { 173fa9e4066Sahrens struct zfsvfs *z_zfsvfs; 174fa9e4066Sahrens vnode_t *z_vnode; 175fa9e4066Sahrens uint64_t z_id; /* object ID for this znode */ 176fa9e4066Sahrens kmutex_t z_lock; /* znode modification lock */ 177104e2ed7Sperrin krwlock_t z_parent_lock; /* parent lock for directories */ 178af2c4821Smaybee krwlock_t z_name_lock; /* "master" lock for dirent locks */ 179fa9e4066Sahrens zfs_dirlock_t *z_dirlocks; /* directory entry lock list */ 18079315247SMatthew Ahrens rangelock_t z_rangelock; /* file range locks */ 181893a6d32Sahrens uint8_t z_unlinked; /* file has been unlinked */ 182fa9e4066Sahrens uint8_t z_atime_dirty; /* atime needs to be synced */ 1837f6e3e7dSperrin uint8_t z_zn_prefetch; /* Prefetch znodes? */ 184744947dcSTom Erickson uint8_t z_moved; /* Has this znode been moved? */ 185fa9e4066Sahrens uint_t z_blksz; /* block size in bytes */ 186fa9e4066Sahrens uint_t z_seq; /* modification sequence number */ 187ea8dc4b6Seschrock uint64_t z_mapcnt; /* number of pages mapped to file */ 188*54811da5SToomas Soome uint64_t z_dnodesize; /* dnode size */ 1890a586ceaSMark Shellenbaum uint64_t z_gen; /* generation (cached) */ 1900a586ceaSMark Shellenbaum uint64_t z_size; /* file size (cached) */ 1910a586ceaSMark Shellenbaum uint64_t z_atime[2]; /* atime (cached) */ 1920a586ceaSMark Shellenbaum uint64_t z_links; /* file links (cached) */ 1930a586ceaSMark Shellenbaum uint64_t z_pflags; /* pflags (cached) */ 194f1696b23SMark Shellenbaum uint64_t z_uid; /* uid fuid (cached) */ 195f1696b23SMark Shellenbaum uint64_t z_gid; /* gid fuid (cached) */ 1960a586ceaSMark Shellenbaum mode_t z_mode; /* mode (cached) */ 19767bd71c6Sperrin uint32_t z_sync_cnt; /* synchronous open count */ 198fa9e4066Sahrens kmutex_t z_acl_lock; /* acl data lock */ 199d47621a4STim Haley zfs_acl_t *z_acl_cached; /* cached acl */ 200fa9e4066Sahrens list_node_t z_link_node; /* all znodes in fs link */ 2010a586ceaSMark Shellenbaum sa_handle_t *z_sa_hdl; /* handle to sa data */ 2020a586ceaSMark Shellenbaum boolean_t z_is_sa; /* are we native sa? */ 203fa9e4066Sahrens } znode_t; 204fa9e4066Sahrens 205104e2ed7Sperrin 206fa9e4066Sahrens /* 207104e2ed7Sperrin * Range locking rules 208104e2ed7Sperrin * -------------------- 209104e2ed7Sperrin * 1. When truncating a file (zfs_create, zfs_setattr, zfs_space) the whole 210104e2ed7Sperrin * file range needs to be locked as RL_WRITER. Only then can the pages be 211104e2ed7Sperrin * freed etc and zp_size reset. zp_size must be set within range lock. 212104e2ed7Sperrin * 2. For writes and punching holes (zfs_write & zfs_space) just the range 213104e2ed7Sperrin * being written or freed needs to be locked as RL_WRITER. 214104e2ed7Sperrin * Multiple writes at the end of the file must coordinate zp_size updates 215104e2ed7Sperrin * to ensure data isn't lost. A compare and swap loop is currently used 216104e2ed7Sperrin * to ensure the file size is at least the offset last written. 217104e2ed7Sperrin * 3. For reads (zfs_read, zfs_get_data & zfs_putapage) just the range being 218104e2ed7Sperrin * read needs to be locked as RL_READER. A check against zp_size can then 219104e2ed7Sperrin * be made for reading beyond end of file. 220fa9e4066Sahrens */ 221fa9e4066Sahrens 222fa9e4066Sahrens /* 223fa9e4066Sahrens * Convert between znode pointers and vnode pointers 224fa9e4066Sahrens */ 225fa9e4066Sahrens #define ZTOV(ZP) ((ZP)->z_vnode) 226fa9e4066Sahrens #define VTOZ(VP) ((znode_t *)(VP)->v_data) 227fa9e4066Sahrens 228f7170741SWill Andrews /* Called on entry to each ZFS vnode and vfs operation */ 229fa9e4066Sahrens #define ZFS_ENTER(zfsvfs) \ 230fa9e4066Sahrens { \ 231c9030f6cSAlexander Motin rrm_enter_read(&(zfsvfs)->z_teardown_lock, FTAG); \ 23291ebeef5Sahrens if ((zfsvfs)->z_unmounted) { \ 233fa9e4066Sahrens ZFS_EXIT(zfsvfs); \ 234fa9e4066Sahrens return (EIO); \ 235fa9e4066Sahrens } \ 236fa9e4066Sahrens } 23791ebeef5Sahrens 238f7170741SWill Andrews /* Must be called before exiting the vop */ 239c9030f6cSAlexander Motin #define ZFS_EXIT(zfsvfs) rrm_exit(&(zfsvfs)->z_teardown_lock, FTAG) 240f18faf3fSek 241f7170741SWill Andrews /* Verifies the znode is valid */ 2423cb34c60Sahrens #define ZFS_VERIFY_ZP(zp) \ 2430a586ceaSMark Shellenbaum if ((zp)->z_sa_hdl == NULL) { \ 2443cb34c60Sahrens ZFS_EXIT((zp)->z_zfsvfs); \ 2453cb34c60Sahrens return (EIO); \ 2463cb34c60Sahrens } \ 247fa9e4066Sahrens 248fa9e4066Sahrens /* 249fa9e4066Sahrens * Macros for dealing with dmu_buf_hold 250fa9e4066Sahrens */ 2514ccbb6e7Sahrens #define ZFS_OBJ_HASH(obj_num) ((obj_num) & (ZFS_OBJ_MTX_SZ - 1)) 252b5fca8f8Stomee #define ZFS_OBJ_MUTEX(zfsvfs, obj_num) \ 253b5fca8f8Stomee (&(zfsvfs)->z_hold_mtx[ZFS_OBJ_HASH(obj_num)]) 254fa9e4066Sahrens #define ZFS_OBJ_HOLD_ENTER(zfsvfs, obj_num) \ 255b5fca8f8Stomee mutex_enter(ZFS_OBJ_MUTEX((zfsvfs), (obj_num))) 256a66b2b35STom Erickson #define ZFS_OBJ_HOLD_TRYENTER(zfsvfs, obj_num) \ 257a66b2b35STom Erickson mutex_tryenter(ZFS_OBJ_MUTEX((zfsvfs), (obj_num))) 258fa9e4066Sahrens #define ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num) \ 259b5fca8f8Stomee mutex_exit(ZFS_OBJ_MUTEX((zfsvfs), (obj_num))) 260fa9e4066Sahrens 261f7170741SWill Andrews /* Encode ZFS stored time values from a struct timespec */ 262fa9e4066Sahrens #define ZFS_TIME_ENCODE(tp, stmp) \ 263fa9e4066Sahrens { \ 264b5fca8f8Stomee (stmp)[0] = (uint64_t)(tp)->tv_sec; \ 2654ccbb6e7Sahrens (stmp)[1] = (uint64_t)(tp)->tv_nsec; \ 266fa9e4066Sahrens } 267fa9e4066Sahrens 268f7170741SWill Andrews /* Decode ZFS stored time values to a struct timespec */ 269fa9e4066Sahrens #define ZFS_TIME_DECODE(tp, stmp) \ 270fa9e4066Sahrens { \ 2714ccbb6e7Sahrens (tp)->tv_sec = (time_t)(stmp)[0]; \ 2724ccbb6e7Sahrens (tp)->tv_nsec = (long)(stmp)[1]; \ 273fa9e4066Sahrens } 274fa9e4066Sahrens 275fa9e4066Sahrens /* 276fa9e4066Sahrens * Timestamp defines 277fa9e4066Sahrens */ 278fa9e4066Sahrens #define ACCESSED (AT_ATIME) 279fa9e4066Sahrens #define STATE_CHANGED (AT_CTIME) 280fa9e4066Sahrens #define CONTENT_MODIFIED (AT_MTIME | AT_CTIME) 281fa9e4066Sahrens 282fa9e4066Sahrens #define ZFS_ACCESSTIME_STAMP(zfsvfs, zp) \ 283fa9e4066Sahrens if ((zfsvfs)->z_atime && !((zfsvfs)->z_vfs->vfs_flag & VFS_RDONLY)) \ 2840a586ceaSMark Shellenbaum zfs_tstamp_update_setup(zp, ACCESSED, NULL, NULL, B_FALSE); 285fa9e4066Sahrens 286088f3894Sahrens extern int zfs_init_fs(zfsvfs_t *, znode_t **); 287fa9e4066Sahrens extern void zfs_set_dataprop(objset_t *); 288de8267e0Stimh extern void zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *, 289da6c28aaSamw dmu_tx_t *tx); 2900a586ceaSMark Shellenbaum extern void zfs_tstamp_update_setup(znode_t *, uint_t, uint64_t [2], 2910a586ceaSMark Shellenbaum uint64_t [2], boolean_t); 292104e2ed7Sperrin extern void zfs_grow_blocksize(znode_t *, uint64_t, dmu_tx_t *); 2935730cc9aSmaybee extern int zfs_freesp(znode_t *, uint64_t, uint64_t, int, boolean_t); 294fa9e4066Sahrens extern void zfs_znode_init(void); 295fa9e4066Sahrens extern void zfs_znode_fini(void); 296fa9e4066Sahrens extern int zfs_zget(zfsvfs_t *, uint64_t, znode_t **); 297f18faf3fSek extern int zfs_rezget(znode_t *); 298fa9e4066Sahrens extern void zfs_zinactive(znode_t *); 299fa9e4066Sahrens extern void zfs_znode_delete(znode_t *, dmu_tx_t *); 300fa9e4066Sahrens extern void zfs_znode_free(znode_t *); 301fa9e4066Sahrens extern void zfs_remove_op_tables(); 302fa9e4066Sahrens extern int zfs_create_op_tables(); 303fa9e4066Sahrens extern int zfs_sync(vfs_t *vfsp, short flag, cred_t *cr); 30472fc53bcSmarks extern dev_t zfs_cmpldev(uint64_t); 305de8267e0Stimh extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop, uint64_t *value); 306da6c28aaSamw extern int zfs_get_stats(objset_t *os, nvlist_t *nv); 307eb721827SAlek Pinchuk extern boolean_t zfs_get_vfs_flag_unmounted(objset_t *os); 308874395d5Smaybee extern void zfs_znode_dmu_fini(znode_t *); 309da6c28aaSamw 310da6c28aaSamw extern void zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 311da6c28aaSamw znode_t *dzp, znode_t *zp, char *name, vsecattr_t *, zfs_fuid_info_t *, 312da6c28aaSamw vattr_t *vap); 3134ccbb6e7Sahrens extern int zfs_log_create_txtype(zil_create_t, vsecattr_t *vsecp, 314da6c28aaSamw vattr_t *vap); 315da6c28aaSamw extern void zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 3165002558fSNeil Perrin znode_t *dzp, char *name, uint64_t foid); 3175002558fSNeil Perrin #define ZFS_NO_OBJECT 0 /* no object id */ 318da6c28aaSamw extern void zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 319fa9e4066Sahrens znode_t *dzp, znode_t *zp, char *name); 320da6c28aaSamw extern void zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 321fa9e4066Sahrens znode_t *dzp, znode_t *zp, char *name, char *link); 322da6c28aaSamw extern void zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 32391de656bSNeil Perrin znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp); 324b19a79ecSperrin extern void zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, 325feb08c6bSbillm znode_t *zp, offset_t off, ssize_t len, int ioflag); 326b19a79ecSperrin extern void zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, 327fa9e4066Sahrens znode_t *zp, uint64_t off, uint64_t len); 328b19a79ecSperrin extern void zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, 329da6c28aaSamw znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp); 330da6c28aaSamw extern void zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, 331da6c28aaSamw vsecattr_t *vsecp, zfs_fuid_info_t *fuidp); 3320a586ceaSMark Shellenbaum extern void zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx); 333da6c28aaSamw extern void zfs_upgrade(zfsvfs_t *zfsvfs, dmu_tx_t *tx); 33414843421SMatthew Ahrens extern int zfs_create_share_dir(zfsvfs_t *zfsvfs, dmu_tx_t *tx); 335fa9e4066Sahrens 3360fab61baSJonathan W Adams extern caddr_t zfs_map_page(page_t *, enum seg_rw); 3370fab61baSJonathan W Adams extern void zfs_unmap_page(page_t *, caddr_t); 3380fab61baSJonathan W Adams 339fa9e4066Sahrens extern zil_get_data_t zfs_get_data; 340fa9e4066Sahrens extern zil_replay_func_t *zfs_replay_vector[TX_MAX_TYPE]; 341fa9e4066Sahrens extern int zfsfstype; 342fa9e4066Sahrens 343fa9e4066Sahrens #endif /* _KERNEL */ 344fa9e4066Sahrens 34555434c77Sek extern int zfs_obj_to_path(objset_t *osp, uint64_t obj, char *buf, int len); 34655434c77Sek 347fa9e4066Sahrens #ifdef __cplusplus 348fa9e4066Sahrens } 349fa9e4066Sahrens #endif 350fa9e4066Sahrens 351fa9e4066Sahrens #endif /* _SYS_FS_ZFS_ZNODE_H */ 352