Home | History | Annotate | Download | only in sys
      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 2007 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 #pragma ident	"@(#)zfs_dir.h	1.5	07/11/09 SMI"
     30 
     31 #include <sys/pathname.h>
     32 #include <sys/dmu.h>
     33 #include <sys/zfs_znode.h>
     34 
     35 #ifdef	__cplusplus
     36 extern "C" {
     37 #endif
     38 
     39 /* zfs_dirent_lock() flags */
     40 #define	ZNEW		0x0001		/* entry should not exist */
     41 #define	ZEXISTS		0x0002		/* entry should exist */
     42 #define	ZSHARED		0x0004		/* shared access (zfs_dirlook()) */
     43 #define	ZXATTR		0x0008		/* we want the xattr dir */
     44 #define	ZRENAMING	0x0010		/* znode is being renamed */
     45 #define	ZCILOOK		0x0020		/* case-insensitive lookup requested */
     46 #define	ZCIEXACT	0x0040		/* c-i requires c-s match (rename) */
     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_REPLAY	0x04		/* we are replaying intent log */
     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_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 *, vnode_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 **, int, zfs_acl_t *, zfs_fuid_info_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 int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr);
     69 extern int zfs_get_xattrdir(znode_t *, vnode_t **, cred_t *, int);
     70 extern int zfs_make_xattrdir(znode_t *, vattr_t *, vnode_t **, cred_t *);
     71 
     72 #ifdef	__cplusplus
     73 }
     74 #endif
     75 
     76 #endif	/* _SYS_FS_ZFS_DIR_H */
     77