xref: /illumos-gate/usr/src/uts/common/fs/zfs/sys/zfs_dir.h (revision c5832a53)
1fa9e4066Sahrens /*
2fa9e4066Sahrens  * CDDL HEADER START
3fa9e4066Sahrens  *
4fa9e4066Sahrens  * The contents of this file are subject to the terms of the
53f063a9dSck  * Common Development and Distribution License (the "License").
63f063a9dSck  * 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 /*
220a586ceaSMark Shellenbaum  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
23fa9e4066Sahrens  * Use is subject to license terms.
24fa9e4066Sahrens  */
25fa9e4066Sahrens 
26fa9e4066Sahrens #ifndef	_SYS_FS_ZFS_DIR_H
27fa9e4066Sahrens #define	_SYS_FS_ZFS_DIR_H
28fa9e4066Sahrens 
29da6c28aaSamw #include <sys/pathname.h>
30fa9e4066Sahrens #include <sys/dmu.h>
31fa9e4066Sahrens #include <sys/zfs_znode.h>
32fa9e4066Sahrens 
33fa9e4066Sahrens #ifdef	__cplusplus
34fa9e4066Sahrens extern "C" {
35fa9e4066Sahrens #endif
36fa9e4066Sahrens 
37fa9e4066Sahrens /* zfs_dirent_lock() flags */
38fa9e4066Sahrens #define	ZNEW		0x0001		/* entry should not exist */
39fa9e4066Sahrens #define	ZEXISTS		0x0002		/* entry should exist */
40fa9e4066Sahrens #define	ZSHARED		0x0004		/* shared access (zfs_dirlook()) */
41fa9e4066Sahrens #define	ZXATTR		0x0008		/* we want the xattr dir */
42fa9e4066Sahrens #define	ZRENAMING	0x0010		/* znode is being renamed */
43da6c28aaSamw #define	ZCILOOK		0x0020		/* case-insensitive lookup requested */
44da6c28aaSamw #define	ZCIEXACT	0x0040		/* c-i requires c-s match (rename) */
45afefc7e4SSanjeev Bagewadi #define	ZHAVELOCK	0x0080		/* z_name_lock is already held */
46fa9e4066Sahrens 
47fa9e4066Sahrens /* mknode flags */
48fa9e4066Sahrens #define	IS_ROOT_NODE	0x01		/* create a root node */
49fa9e4066Sahrens #define	IS_XATTR	0x02		/* create an extended attribute node */
50fa9e4066Sahrens 
51fa9e4066Sahrens extern int zfs_dirent_lock(zfs_dirlock_t **, znode_t *, char *, znode_t **,
52da6c28aaSamw     int, int *, pathname_t *);
53fa9e4066Sahrens extern void zfs_dirent_unlock(zfs_dirlock_t *);
54fa9e4066Sahrens extern int zfs_link_create(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int);
55893a6d32Sahrens extern int zfs_link_destroy(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int,
56893a6d32Sahrens     boolean_t *);
57da6c28aaSamw extern int zfs_dirlook(znode_t *, char *, vnode_t **, int, int *,
58da6c28aaSamw     pathname_t *);
594ccbb6e7Sahrens extern void zfs_mknode(znode_t *, vattr_t *, dmu_tx_t *, cred_t *,
600a586ceaSMark Shellenbaum     uint_t, znode_t **, zfs_acl_ids_t *);
61fa9e4066Sahrens extern void zfs_rmnode(znode_t *);
62da6c28aaSamw extern void zfs_dl_name_switch(zfs_dirlock_t *dl, char *new, char **old);
63fa9e4066Sahrens extern boolean_t zfs_dirempty(znode_t *);
64893a6d32Sahrens extern void zfs_unlinked_add(znode_t *, dmu_tx_t *);
65893a6d32Sahrens extern void zfs_unlinked_drain(zfsvfs_t *zfsvfs);
66*c5832a53SAlek Pinchuk extern void zfs_unlinked_drain_stop_wait(zfsvfs_t *zfsvfs);
67fa9e4066Sahrens extern int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr);
683f063a9dSck extern int zfs_get_xattrdir(znode_t *, vnode_t **, cred_t *, int);
69fa9e4066Sahrens extern int zfs_make_xattrdir(znode_t *, vattr_t *, vnode_t **, cred_t *);
70fa9e4066Sahrens 
71fa9e4066Sahrens #ifdef	__cplusplus
72fa9e4066Sahrens }
73fa9e4066Sahrens #endif
74fa9e4066Sahrens 
75fa9e4066Sahrens #endif	/* _SYS_FS_ZFS_DIR_H */
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