1 // SPDX-License-Identifier: CDDL-1.0 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or https://opensource.org/licenses/CDDL-1.0. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_FS_ZFS_DIR_H 28 #define _SYS_FS_ZFS_DIR_H 29 30 #include <sys/pathname.h> 31 #include <sys/dmu.h> 32 #include <sys/zfs_znode.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* zfs_dirent_lock() flags */ 39 #define ZNEW 0x0001 /* entry should not exist */ 40 #define ZEXISTS 0x0002 /* entry should exist */ 41 #define ZSHARED 0x0004 /* shared access (zfs_dirlook()) */ 42 #define ZXATTR 0x0008 /* we want the xattr dir */ 43 #define ZRENAMING 0x0010 /* znode is being renamed */ 44 #define ZCILOOK 0x0020 /* case-insensitive lookup requested */ 45 #define ZCIEXACT 0x0040 /* c-i requires c-s match (rename) */ 46 #define ZHAVELOCK 0x0080 /* z_name_lock is already held */ 47 48 /* mknode flags */ 49 #define IS_ROOT_NODE 0x01 /* create a root node */ 50 #define IS_XATTR 0x02 /* create an extended attribute node */ 51 #define IS_TMPFILE 0x04 /* create a tmpfile */ 52 53 extern int zfs_dirent_lock(zfs_dirlock_t **, znode_t *, char *, znode_t **, 54 int, int *, pathname_t *); 55 extern void zfs_dirent_unlock(zfs_dirlock_t *); 56 extern int zfs_drop_nlink(znode_t *, dmu_tx_t *, boolean_t *); 57 extern int zfs_link_create(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int); 58 extern int zfs_link_destroy(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int, 59 boolean_t *); 60 extern int zfs_dirlook(znode_t *, char *, znode_t **, int, int *, 61 pathname_t *); 62 extern void zfs_mknode(znode_t *, vattr_t *, dmu_tx_t *, cred_t *, 63 uint_t, znode_t **, zfs_acl_ids_t *); 64 extern void zfs_rmnode(znode_t *); 65 extern void zfs_dl_name_switch(zfs_dirlock_t *dl, char *new, char **old); 66 extern boolean_t zfs_dirempty(znode_t *); 67 extern void zfs_unlinked_add(znode_t *, dmu_tx_t *); 68 extern void zfs_unlinked_drain(zfsvfs_t *zfsvfs); 69 extern void zfs_unlinked_drain_stop_wait(zfsvfs_t *zfsvfs); 70 extern int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr); 71 extern int zfs_get_xattrdir(znode_t *, znode_t **, cred_t *, int); 72 extern int zfs_make_xattrdir(znode_t *, vattr_t *, znode_t **, cred_t *); 73 74 #ifdef __cplusplus 75 } 76 #endif 77 78 #endif /* _SYS_FS_ZFS_DIR_H */ 79