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 https://opensource.org/licenses/CDDL-1.0. 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 /* 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_FS_ZFS_DIR_H 27 #define _SYS_FS_ZFS_DIR_H 28 29 #include <sys/pathname.h> 30 #include <sys/dmu.h> 31 #include <sys/zfs_znode.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /* zfs_dirent_lock() flags */ 38 #define ZNEW 0x0001 /* entry should not exist */ 39 #define ZEXISTS 0x0002 /* entry should exist */ 40 #define ZSHARED 0x0004 /* shared access (zfs_dirlook()) */ 41 #define ZXATTR 0x0008 /* we want the xattr dir */ 42 #define ZRENAMING 0x0010 /* znode is being renamed */ 43 #define ZCILOOK 0x0020 /* case-insensitive lookup requested */ 44 #define ZCIEXACT 0x0040 /* c-i requires c-s match (rename) */ 45 #define ZHAVELOCK 0x0080 /* z_name_lock is already held */ 46 47 /* mknode flags */ 48 #define IS_ROOT_NODE 0x01 /* create a root node */ 49 #define IS_XATTR 0x02 /* create an extended attribute node */ 50 #define IS_TMPFILE 0x04 /* create a tmpfile */ 51 52 extern int zfs_dirent_lock(zfs_dirlock_t **, znode_t *, char *, znode_t **, 53 int, int *, pathname_t *); 54 extern void zfs_dirent_unlock(zfs_dirlock_t *); 55 extern int zfs_drop_nlink(znode_t *, dmu_tx_t *, boolean_t *); 56 extern int zfs_link_create(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int); 57 extern int zfs_link_destroy(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int, 58 boolean_t *); 59 extern int zfs_dirlook(znode_t *, char *, znode_t **, int, int *, 60 pathname_t *); 61 extern void zfs_mknode(znode_t *, vattr_t *, dmu_tx_t *, cred_t *, 62 uint_t, znode_t **, zfs_acl_ids_t *); 63 extern void zfs_rmnode(znode_t *); 64 extern void zfs_dl_name_switch(zfs_dirlock_t *dl, char *new, char **old); 65 extern boolean_t zfs_dirempty(znode_t *); 66 extern void zfs_unlinked_add(znode_t *, dmu_tx_t *); 67 extern void zfs_unlinked_drain(zfsvfs_t *zfsvfs); 68 extern void zfs_unlinked_drain_stop_wait(zfsvfs_t *zfsvfs); 69 extern int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr); 70 extern int zfs_get_xattrdir(znode_t *, znode_t **, cred_t *, int); 71 extern int zfs_make_xattrdir(znode_t *, vattr_t *, znode_t **, cred_t *); 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif /* _SYS_FS_ZFS_DIR_H */ 78