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      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 /*
     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 
     51 extern int zfs_dirent_lookup(znode_t *, const char *, znode_t **, int);
     52 extern int zfs_link_create(znode_t *, const char *, znode_t *, dmu_tx_t *, int);
     53 extern int zfs_link_destroy(znode_t *, const char *, znode_t *, dmu_tx_t *, int,
     54     boolean_t *);
     55 #if 0
     56 extern int zfs_dirlook(vnode_t *, const char *, vnode_t **, int);
     57 #else
     58 extern int zfs_dirlook(znode_t *, const char *name, znode_t **);
     59 #endif
     60 extern void zfs_mknode(znode_t *, vattr_t *, dmu_tx_t *, cred_t *,
     61     uint_t, znode_t **, zfs_acl_ids_t *);
     62 extern void zfs_rmnode(znode_t *);
     63 extern boolean_t zfs_dirempty(znode_t *);
     64 extern void zfs_unlinked_add(znode_t *, dmu_tx_t *);
     65 extern void zfs_unlinked_drain(zfsvfs_t *zfsvfs);
     66 extern int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr);
     67 extern int zfs_get_xattrdir(znode_t *, vnode_t **, cred_t *, int);
     68 extern int zfs_make_xattrdir(znode_t *, vattr_t *, vnode_t **, cred_t *);
     69 
     70 #ifdef	__cplusplus
     71 }
     72 #endif
     73 
     74 #endif	/* _SYS_FS_ZFS_DIR_H */
     75