external/cddl/osnet/dist/uts/common/fs/zfs/sys/zfs_dir.h

   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   "%Z%%M% %I%     %E% 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 #define ZSAMEDIR        0x0080          /* already hold z_name_lock */
  48
  49 /* mknode flags */
  50 #define IS_ROOT_NODE    0x01            /* create a root node */
  51 #define IS_XATTR        0x02            /* create an extended attribute node */
  52 #define IS_REPLAY       0x04            /* we are replaying intent log */
  53
  54 extern int zfs_dirent_lock(zfs_dirlock_t **, znode_t *, char *, znode_t **,
  55     int, int *, pathname_t *);
  56 extern void zfs_dirent_unlock(zfs_dirlock_t *, int);
  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 *, vnode_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 **, int, zfs_acl_t *, zfs_fuid_info_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 int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr);
  70 extern int zfs_get_xattrdir(znode_t *, vnode_t **, cred_t *, int);
  71 extern int zfs_make_xattrdir(znode_t *, vattr_t *, vnode_t **, cred_t *);
  72
  73 #ifdef  __cplusplus
  74 }
  75 #endif
  76
  77 #endif  /* _SYS_FS_ZFS_DIR_H */