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. 23fa9e4066Sahrens */ 24fa9e4066Sahrens 25fa9e4066Sahrens #ifndef _SYS_FS_ZFS_ZNODE_H 26fa9e4066Sahrens #define _SYS_FS_ZFS_ZNODE_H 27fa9e4066Sahrens 28fa9e4066Sahrens #ifdef _KERNEL 29fa9e4066Sahrens #include <sys/isa_defs.h> 30fa9e4066Sahrens #include <sys/types32.h> 31da6c28aaSamw #include <sys/attr.h> 32fa9e4066Sahrens #include <sys/list.h> 33fa9e4066Sahrens #include <sys/dmu.h> 340a586ceaSMark Shellenbaum #include <sys/sa.h> 35fa9e4066Sahrens #include <sys/zfs_vfsops.h> 36f18faf3fSek #include <sys/rrwlock.h> 370a586ceaSMark Shellenbaum #include <sys/zfs_sa.h> 38fa9e4066Sahrens #endif 39fa9e4066Sahrens #include <sys/zfs_acl.h> 40fa9e4066Sahrens #include <sys/zil.h> 41fa9e4066Sahrens 42fa9e4066Sahrens #ifdef __cplusplus 43fa9e4066Sahrens extern "C" { 44fa9e4066Sahrens #endif 45fa9e4066Sahrens 46da6c28aaSamw /* 47da6c28aaSamw * Additional file level attributes, that are stored 48da6c28aaSamw * in the upper half of zp_flags 49da6c28aaSamw */ 50da6c28aaSamw #define ZFS_READONLY 0x0000000100000000 51da6c28aaSamw #define ZFS_HIDDEN 0x0000000200000000 52da6c28aaSamw #define ZFS_SYSTEM 0x0000000400000000 53da6c28aaSamw #define ZFS_ARCHIVE 0x0000000800000000 54da6c28aaSamw #define ZFS_IMMUTABLE 0x0000001000000000 55da6c28aaSamw #define ZFS_NOUNLINK 0x0000002000000000 56da6c28aaSamw #define ZFS_APPENDONLY 0x0000004000000000 57da6c28aaSamw #define ZFS_NODUMP 0x0000008000000000 58da6c28aaSamw #define ZFS_OPAQUE 0x0000010000000000 59da6c28aaSamw #define ZFS_AV_QUARANTINED 0x0000020000000000 60da6c28aaSamw #define ZFS_AV_MODIFIED 0x0000040000000000 617a286c47SDai Ngo #define ZFS_REPARSE 0x0000080000000000 62da6c28aaSamw 630a586ceaSMark Shellenbaum #define ZFS_ATTR_SET(zp, attr, value, pflags, tx) \ 64da6c28aaSamw { \ 65da6c28aaSamw if (value) \ 660a586ceaSMark Shellenbaum pflags |= attr; \ 67da6c28aaSamw else \ 680a586ceaSMark Shellenbaum pflags &= ~attr; \ 690a586ceaSMark Shellenbaum VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(zp->z_zfsvfs), \ 700a586ceaSMark Shellenbaum &pflags, sizeof (pflags), tx)); \ 71da6c28aaSamw } 72da6c28aaSamw 73fa9e4066Sahrens /* 74fa9e4066Sahrens * Define special zfs pflags 75fa9e4066Sahrens */ 76da6c28aaSamw #define ZFS_XATTR 0x1 /* is an extended attribute */ 77da6c28aaSamw #define ZFS_INHERIT_ACE 0x2 /* ace has inheritable ACEs */ 78da6c28aaSamw #define ZFS_ACL_TRIVIAL 0x4 /* files ACL is trivial */ 79da6c28aaSamw #define ZFS_ACL_OBJ_ACE 0x8 /* ACL has CMPLX Object ACE */ 80da6c28aaSamw #define ZFS_ACL_PROTECTED 0x10 /* ACL protected */ 81da6c28aaSamw #define ZFS_ACL_DEFAULTED 0x20 /* ACL should be defaulted */ 82da6c28aaSamw #define ZFS_ACL_AUTO_INHERIT 0x40 /* ACL should be inherited */ 83da6c28aaSamw #define ZFS_BONUS_SCANSTAMP 0x80 /* Scanstamp in bonus area */ 84d47621a4STim Haley #define ZFS_NO_EXECS_DENIED 0x100 /* exec was given to everyone */ 85da6c28aaSamw 860a586ceaSMark Shellenbaum #define SA_ZPL_ATIME(z) z->z_attr_table[ZPL_ATIME] 870a586ceaSMark Shellenbaum #define SA_ZPL_MTIME(z) z->z_attr_table[ZPL_MTIME] 880a586ceaSMark Shellenbaum #define SA_ZPL_CTIME(z) z->z_attr_table[ZPL_CTIME] 890a586ceaSMark Shellenbaum #define SA_ZPL_CRTIME(z) z->z_attr_table[ZPL_CRTIME] 900a586ceaSMark Shellenbaum #define SA_ZPL_GEN(z) z->z_attr_table[ZPL_GEN] 910a586ceaSMark Shellenbaum #define SA_ZPL_DACL_ACES(z) z->z_attr_table[ZPL_DACL_ACES] 920a586ceaSMark Shellenbaum #define SA_ZPL_XATTR(z) z->z_attr_table[ZPL_XATTR] 930a586ceaSMark Shellenbaum #define SA_ZPL_SYMLINK(z) z->z_attr_table[ZPL_SYMLINK] 940a586ceaSMark Shellenbaum #define SA_ZPL_RDEV(z) z->z_attr_table[ZPL_RDEV] 950a586ceaSMark Shellenbaum #define SA_ZPL_SCANSTAMP(z) z->z_attr_table[ZPL_SCANSTAMP] 960a586ceaSMark Shellenbaum #define SA_ZPL_UID(z) z->z_attr_table[ZPL_UID] 970a586ceaSMark Shellenbaum #define SA_ZPL_GID(z) z->z_attr_table[ZPL_GID] 980a586ceaSMark Shellenbaum #define SA_ZPL_PARENT(z) z->z_attr_table[ZPL_PARENT] 990a586ceaSMark Shellenbaum #define SA_ZPL_LINKS(z) z->z_attr_table[ZPL_LINKS] 1000a586ceaSMark Shellenbaum #define SA_ZPL_MODE(z) z->z_attr_table[ZPL_MODE] 1010a586ceaSMark Shellenbaum #define SA_ZPL_DACL_COUNT(z) z->z_attr_table[ZPL_DACL_COUNT] 1020a586ceaSMark Shellenbaum #define SA_ZPL_FLAGS(z) z->z_attr_table[ZPL_FLAGS] 1030a586ceaSMark Shellenbaum #define SA_ZPL_SIZE(z) z->z_attr_table[ZPL_SIZE] 1040a586ceaSMark Shellenbaum #define SA_ZPL_ZNODE_ACL(z) z->z_attr_table[ZPL_ZNODE_ACL] 1050a586ceaSMark Shellenbaum #define SA_ZPL_PAD(z) z->z_attr_table[ZPL_PAD] 1060a586ceaSMark Shellenbaum 107da6c28aaSamw /* 108da6c28aaSamw * Is ID ephemeral? 109da6c28aaSamw */ 110da6c28aaSamw #define IS_EPHEMERAL(x) (x > MAXUID) 111da6c28aaSamw 112da6c28aaSamw /* 113da6c28aaSamw * Should we use FUIDs? 114da6c28aaSamw */ 1150a586ceaSMark Shellenbaum #define USE_FUIDS(version, os) (version >= ZPL_VERSION_FUID && \ 116da6c28aaSamw spa_version(dmu_objset_spa(os)) >= SPA_VERSION_FUID) 1170a586ceaSMark Shellenbaum #define USE_SA(version, os) (version >= ZPL_VERSION_SA && \ 1180a586ceaSMark Shellenbaum spa_version(dmu_objset_spa(os)) >= SPA_VERSION_SA) 119fa9e4066Sahrens 120fa9e4066Sahrens #define MASTER_NODE_OBJ 1 121fa9e4066Sahrens 122fa9e4066Sahrens /* 123da6c28aaSamw * Special attributes for master node. 12414843421SMatthew Ahrens * "userquota@" and "groupquota@" are also valid (from 12514843421SMatthew Ahrens * zfs_userquota_prop_prefixes[]). 126fa9e4066Sahrens */ 127fa9e4066Sahrens #define ZFS_FSID "FSID" 128893a6d32Sahrens #define ZFS_UNLINKED_SET "DELETE_QUEUE" 129fa9e4066Sahrens #define ZFS_ROOT_OBJ "ROOT" 130e7437265Sahrens #define ZPL_VERSION_STR "VERSION" 131da6c28aaSamw #define ZFS_FUID_TABLES "FUID" 132743a77edSAlan Wright #define ZFS_SHARES_DIR "SHARES" 1330a586ceaSMark Shellenbaum #define ZFS_SA_ATTRS "SA_ATTRS" 134fa9e4066Sahrens 135fa9e4066Sahrens #define ZFS_MAX_BLOCKSIZE (SPA_MAXBLOCKSIZE) 136fa9e4066Sahrens 137fa9e4066Sahrens /* Path component length */ 138fa9e4066Sahrens /* 139fa9e4066Sahrens * The generic fs code uses MAXNAMELEN to represent 140fa9e4066Sahrens * what the largest component length is. Unfortunately, 141fa9e4066Sahrens * this length includes the terminating NULL. ZFS needs 142fa9e4066Sahrens * to tell the users via pathconf() and statvfs() what the 143fa9e4066Sahrens * true maximum length of a component is, excluding the NULL. 144fa9e4066Sahrens */ 145fa9e4066Sahrens #define ZFS_MAXNAMELEN (MAXNAMELEN - 1) 146fa9e4066Sahrens 147e7437265Sahrens /* 148e7437265Sahrens * Convert mode bits (zp_mode) to BSD-style DT_* values for storing in 149e7437265Sahrens * the directory entries. 150e7437265Sahrens */ 151e7437265Sahrens #define IFTODT(mode) (((mode) & S_IFMT) >> 12) 152e7437265Sahrens 153b1b8ab34Slling /* 154b1b8ab34Slling * The directory entry has the type (currently unused on Solaris) in the 155b1b8ab34Slling * top 4 bits, and the object number in the low 48 bits. The "middle" 156b1b8ab34Slling * 12 bits are unused. 157b1b8ab34Slling */ 158b1b8ab34Slling #define ZFS_DIRENT_TYPE(de) BF64_GET(de, 60, 4) 159b1b8ab34Slling #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) 160b1b8ab34Slling 161fa9e4066Sahrens /* 162fa9e4066Sahrens * Directory entry locks control access to directory entries. 163fa9e4066Sahrens * They are used to protect creates, deletes, and renames. 164fa9e4066Sahrens * Each directory znode has a mutex and a list of locked names. 165fa9e4066Sahrens */ 166fa9e4066Sahrens #ifdef _KERNEL 167fa9e4066Sahrens typedef struct zfs_dirlock { 168fa9e4066Sahrens char *dl_name; /* directory entry being locked */ 169fa9e4066Sahrens uint32_t dl_sharecnt; /* 0 if exclusive, > 0 if shared */ 170afefc7e4SSanjeev Bagewadi uint8_t dl_namelock; /* 1 if z_name_lock is NOT held */ 171fa9e4066Sahrens uint16_t dl_namesize; /* set if dl_name was allocated */ 172fa9e4066Sahrens kcondvar_t dl_cv; /* wait for entry to be unlocked */ 173fa9e4066Sahrens struct znode *dl_dzp; /* directory znode */ 174fa9e4066Sahrens struct zfs_dirlock *dl_next; /* next in z_dirlocks list */ 175fa9e4066Sahrens } zfs_dirlock_t; 176fa9e4066Sahrens 177fa9e4066Sahrens typedef struct znode { 178fa9e4066Sahrens struct zfsvfs *z_zfsvfs; 179fa9e4066Sahrens vnode_t *z_vnode; 180fa9e4066Sahrens uint64_t z_id; /* object ID for this znode */ 181fa9e4066Sahrens kmutex_t z_lock; /* znode modification lock */ 182104e2ed7Sperrin krwlock_t z_parent_lock; /* parent lock for directories */ 183af2c4821Smaybee krwlock_t z_name_lock; /* "master" lock for dirent locks */ 184fa9e4066Sahrens zfs_dirlock_t *z_dirlocks; /* directory entry lock list */ 185104e2ed7Sperrin kmutex_t z_range_lock; /* protects changes to z_range_avl */ 186104e2ed7Sperrin avl_tree_t z_range_avl; /* avl tree of file range locks */ 187893a6d32Sahrens uint8_t z_unlinked; /* file has been unlinked */ 188fa9e4066Sahrens uint8_t z_atime_dirty; /* atime needs to be synced */ 1897f6e3e7dSperrin uint8_t z_zn_prefetch; /* Prefetch znodes? */ 190744947dcSTom Erickson uint8_t z_moved; /* Has this znode been moved? */ 191fa9e4066Sahrens uint_t z_blksz; /* block size in bytes */ 192fa9e4066Sahrens uint_t z_seq; /* modification sequence number */ 193ea8dc4b6Seschrock uint64_t z_mapcnt; /* number of pages mapped to file */ 1940a586ceaSMark Shellenbaum uint64_t z_gen; /* generation (cached) */ 1950a586ceaSMark Shellenbaum uint64_t z_size; /* file size (cached) */ 1960a586ceaSMark Shellenbaum uint64_t z_atime[2]; /* atime (cached) */ 1970a586ceaSMark Shellenbaum uint64_t z_links; /* file links (cached) */ 1980a586ceaSMark Shellenbaum uint64_t z_pflags; /* pflags (cached) */ 1990a586ceaSMark Shellenbaum uid_t z_uid; /* uid mapped (cached) */ 2000a586ceaSMark Shellenbaum uid_t z_gid; /* gid mapped (cached) */ 2010a586ceaSMark Shellenbaum mode_t z_mode; /* mode (cached) */ 20267bd71c6Sperrin uint32_t z_sync_cnt; /* synchronous open count */ 203fa9e4066Sahrens kmutex_t z_acl_lock; /* acl data lock */ 204d47621a4STim Haley zfs_acl_t *z_acl_cached; /* cached acl */ 205fa9e4066Sahrens list_node_t z_link_node; /* all znodes in fs link */ 2060a586ceaSMark Shellenbaum sa_handle_t *z_sa_hdl; /* handle to sa data */ 2070a586ceaSMark Shellenbaum boolean_t z_is_sa; /* are we native sa? */ 208fa9e4066Sahrens } znode_t; 209fa9e4066Sahrens 210104e2ed7Sperrin 211fa9e4066Sahrens /* 212104e2ed7Sperrin * Range locking rules 213104e2ed7Sperrin * -------------------- 214104e2ed7Sperrin * 1. When truncating a file (zfs_create, zfs_setattr, zfs_space) the whole 215104e2ed7Sperrin * file range needs to be locked as RL_WRITER. Only then can the pages be 216104e2ed7Sperrin * freed etc and zp_size reset. zp_size must be set within range lock. 217104e2ed7Sperrin * 2. For writes and punching holes (zfs_write & zfs_space) just the range 218104e2ed7Sperrin * being written or freed needs to be locked as RL_WRITER. 219104e2ed7Sperrin * Multiple writes at the end of the file must coordinate zp_size updates 220104e2ed7Sperrin * to ensure data isn't lost. A compare and swap loop is currently used 221104e2ed7Sperrin * to ensure the file size is at least the offset last written. 222104e2ed7Sperrin * 3. For reads (zfs_read, zfs_get_data & zfs_putapage) just the range being 223104e2ed7Sperrin * read needs to be locked as RL_READER. A check against zp_size can then 224104e2ed7Sperrin * be made for reading beyond end of file. 225fa9e4066Sahrens */ 226fa9e4066Sahrens 227fa9e4066Sahrens /* 228fa9e4066Sahrens * Convert between znode pointers and vnode pointers 229fa9e4066Sahrens */ 230fa9e4066Sahrens #define ZTOV(ZP) ((ZP)->z_vnode) 231fa9e4066Sahrens #define VTOZ(VP) ((znode_t *)(VP)->v_data) 232fa9e4066Sahrens 233fa9e4066Sahrens /* 234fa9e4066Sahrens * ZFS_ENTER() is called on entry to each ZFS vnode and vfs operation. 235fa9e4066Sahrens * ZFS_EXIT() must be called before exitting the vop. 2363cb34c60Sahrens * ZFS_VERIFY_ZP() verifies the znode is valid. 237fa9e4066Sahrens */ 238fa9e4066Sahrens #define ZFS_ENTER(zfsvfs) \ 239fa9e4066Sahrens { \ 240f18faf3fSek rrw_enter(&(zfsvfs)->z_teardown_lock, RW_READER, FTAG); \ 24191ebeef5Sahrens if ((zfsvfs)->z_unmounted) { \ 242fa9e4066Sahrens ZFS_EXIT(zfsvfs); \ 243fa9e4066Sahrens return (EIO); \ 244fa9e4066Sahrens } \ 245fa9e4066Sahrens } 24691ebeef5Sahrens 247f18faf3fSek #define ZFS_EXIT(zfsvfs) rrw_exit(&(zfsvfs)->z_teardown_lock, FTAG) 248f18faf3fSek 2493cb34c60Sahrens #define ZFS_VERIFY_ZP(zp) \ 2500a586ceaSMark Shellenbaum if ((zp)->z_sa_hdl == NULL) { \ 2513cb34c60Sahrens ZFS_EXIT((zp)->z_zfsvfs); \ 2523cb34c60Sahrens return (EIO); \ 2533cb34c60Sahrens } \ 254fa9e4066Sahrens 255fa9e4066Sahrens /* 256fa9e4066Sahrens * Macros for dealing with dmu_buf_hold 257fa9e4066Sahrens */ 2584ccbb6e7Sahrens #define ZFS_OBJ_HASH(obj_num) ((obj_num) & (ZFS_OBJ_MTX_SZ - 1)) 259b5fca8f8Stomee #define ZFS_OBJ_MUTEX(zfsvfs, obj_num) \ 260b5fca8f8Stomee (&(zfsvfs)->z_hold_mtx[ZFS_OBJ_HASH(obj_num)]) 261fa9e4066Sahrens #define ZFS_OBJ_HOLD_ENTER(zfsvfs, obj_num) \ 262b5fca8f8Stomee mutex_enter(ZFS_OBJ_MUTEX((zfsvfs), (obj_num))) 263a66b2b35STom Erickson #define ZFS_OBJ_HOLD_TRYENTER(zfsvfs, obj_num) \ 264a66b2b35STom Erickson mutex_tryenter(ZFS_OBJ_MUTEX((zfsvfs), (obj_num))) 265fa9e4066Sahrens #define ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num) \ 266b5fca8f8Stomee mutex_exit(ZFS_OBJ_MUTEX((zfsvfs), (obj_num))) 267fa9e4066Sahrens 268fa9e4066Sahrens /* 269fa9e4066Sahrens * Macros to encode/decode ZFS stored time values from/to struct timespec 270fa9e4066Sahrens */ 271fa9e4066Sahrens #define ZFS_TIME_ENCODE(tp, stmp) \ 272fa9e4066Sahrens { \ 273b5fca8f8Stomee (stmp)[0] = (uint64_t)(tp)->tv_sec; \ 2744ccbb6e7Sahrens (stmp)[1] = (uint64_t)(tp)->tv_nsec; \ 275fa9e4066Sahrens } 276fa9e4066Sahrens 277fa9e4066Sahrens #define ZFS_TIME_DECODE(tp, stmp) \ 278fa9e4066Sahrens { \ 2794ccbb6e7Sahrens (tp)->tv_sec = (time_t)(stmp)[0]; \ 2804ccbb6e7Sahrens (tp)->tv_nsec = (long)(stmp)[1]; \ 281fa9e4066Sahrens } 282fa9e4066Sahrens 283fa9e4066Sahrens /* 284fa9e4066Sahrens * Timestamp defines 285fa9e4066Sahrens */ 286fa9e4066Sahrens #define ACCESSED (AT_ATIME) 287fa9e4066Sahrens #define STATE_CHANGED (AT_CTIME) 288fa9e4066Sahrens #define CONTENT_MODIFIED (AT_MTIME | AT_CTIME) 289fa9e4066Sahrens 290fa9e4066Sahrens #define ZFS_ACCESSTIME_STAMP(zfsvfs, zp) \ 291fa9e4066Sahrens if ((zfsvfs)->z_atime && !((zfsvfs)->z_vfs->vfs_flag & VFS_RDONLY)) \ 2920a586ceaSMark Shellenbaum zfs_tstamp_update_setup(zp, ACCESSED, NULL, NULL, B_FALSE); 293fa9e4066Sahrens 294088f3894Sahrens extern int zfs_init_fs(zfsvfs_t *, znode_t **); 295fa9e4066Sahrens extern void zfs_set_dataprop(objset_t *); 296de8267e0Stimh extern void zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *, 297da6c28aaSamw dmu_tx_t *tx); 2980a586ceaSMark Shellenbaum extern void zfs_tstamp_update_setup(znode_t *, uint_t, uint64_t [2], 2990a586ceaSMark Shellenbaum uint64_t [2], boolean_t); 300104e2ed7Sperrin extern void zfs_grow_blocksize(znode_t *, uint64_t, dmu_tx_t *); 3015730cc9aSmaybee extern int zfs_freesp(znode_t *, uint64_t, uint64_t, int, boolean_t); 302fa9e4066Sahrens extern void zfs_znode_init(void); 303fa9e4066Sahrens extern void zfs_znode_fini(void); 304fa9e4066Sahrens extern int zfs_zget(zfsvfs_t *, uint64_t, znode_t **); 305f18faf3fSek extern int zfs_rezget(znode_t *); 306fa9e4066Sahrens extern void zfs_zinactive(znode_t *); 307fa9e4066Sahrens extern void zfs_znode_delete(znode_t *, dmu_tx_t *); 308fa9e4066Sahrens extern void zfs_znode_free(znode_t *); 309fa9e4066Sahrens extern void zfs_remove_op_tables(); 310fa9e4066Sahrens extern int zfs_create_op_tables(); 311fa9e4066Sahrens extern int zfs_sync(vfs_t *vfsp, short flag, cred_t *cr); 31272fc53bcSmarks extern dev_t zfs_cmpldev(uint64_t); 313de8267e0Stimh extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop, uint64_t *value); 314da6c28aaSamw extern int zfs_get_stats(objset_t *os, nvlist_t *nv); 315874395d5Smaybee extern void zfs_znode_dmu_fini(znode_t *); 316da6c28aaSamw 317da6c28aaSamw extern void zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 318da6c28aaSamw znode_t *dzp, znode_t *zp, char *name, vsecattr_t *, zfs_fuid_info_t *, 319da6c28aaSamw vattr_t *vap); 3204ccbb6e7Sahrens extern int zfs_log_create_txtype(zil_create_t, vsecattr_t *vsecp, 321da6c28aaSamw vattr_t *vap); 322da6c28aaSamw extern void zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 323*5002558fSNeil Perrin znode_t *dzp, char *name, uint64_t foid); 324*5002558fSNeil Perrin #define ZFS_NO_OBJECT 0 /* no object id */ 325da6c28aaSamw extern void zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 326fa9e4066Sahrens znode_t *dzp, znode_t *zp, char *name); 327da6c28aaSamw extern void zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 328fa9e4066Sahrens znode_t *dzp, znode_t *zp, char *name, char *link); 329da6c28aaSamw extern void zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 330*5002558fSNeil Perrin znode_t *sdzp, char *sname, znode_t *tdzp, char *dname); 331b19a79ecSperrin extern void zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, 332feb08c6bSbillm znode_t *zp, offset_t off, ssize_t len, int ioflag); 333b19a79ecSperrin extern void zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, 334fa9e4066Sahrens znode_t *zp, uint64_t off, uint64_t len); 335b19a79ecSperrin extern void zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, 336da6c28aaSamw znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp); 337da6c28aaSamw extern void zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, 338da6c28aaSamw vsecattr_t *vsecp, zfs_fuid_info_t *fuidp); 3390a586ceaSMark Shellenbaum extern void zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx); 340da6c28aaSamw extern void zfs_upgrade(zfsvfs_t *zfsvfs, dmu_tx_t *tx); 34114843421SMatthew Ahrens extern int zfs_create_share_dir(zfsvfs_t *zfsvfs, dmu_tx_t *tx); 342fa9e4066Sahrens 3430fab61baSJonathan W Adams extern caddr_t zfs_map_page(page_t *, enum seg_rw); 3440fab61baSJonathan W Adams extern void zfs_unmap_page(page_t *, caddr_t); 3450fab61baSJonathan W Adams 346fa9e4066Sahrens extern zil_get_data_t zfs_get_data; 347fa9e4066Sahrens extern zil_replay_func_t *zfs_replay_vector[TX_MAX_TYPE]; 348fa9e4066Sahrens extern int zfsfstype; 349fa9e4066Sahrens 350fa9e4066Sahrens #endif /* _KERNEL */ 351fa9e4066Sahrens 35255434c77Sek extern int zfs_obj_to_path(objset_t *osp, uint64_t obj, char *buf, int len); 35355434c77Sek 354fa9e4066Sahrens #ifdef __cplusplus 355fa9e4066Sahrens } 356fa9e4066Sahrens #endif 357fa9e4066Sahrens 358fa9e4066Sahrens #endif /* _SYS_FS_ZFS_ZNODE_H */ 359