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 https://opensource.org/licenses/CDDL-1.0. 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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #ifndef _ZFS_CTLDIR_H 26 #define _ZFS_CTLDIR_H 27 28 #include <sys/vnode.h> 29 #include <sys/zfs_vfsops.h> 30 #include <sys/zfs_znode.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #define ZFS_CTLDIR_NAME ".zfs" 37 38 #define zfs_has_ctldir(zdp) \ 39 ((zdp)->z_id == (zdp)->z_zfsvfs->z_root && \ 40 ((zdp)->z_zfsvfs->z_ctldir != NULL)) 41 #define zfs_show_ctldir(zdp) \ 42 (zfs_has_ctldir(zdp) && \ 43 ((zdp)->z_zfsvfs->z_show_ctldir)) 44 45 void zfsctl_create(zfsvfs_t *); 46 void zfsctl_destroy(zfsvfs_t *); 47 int zfsctl_root(zfsvfs_t *, int, vnode_t **); 48 void zfsctl_init(void); 49 void zfsctl_fini(void); 50 boolean_t zfsctl_is_node(vnode_t *); 51 int zfsctl_snapshot_unmount(const char *snapname, int flags); 52 int zfsctl_rename_snapshot(const char *from, const char *to); 53 int zfsctl_destroy_snapshot(const char *snapname, int force); 54 int zfsctl_umount_snapshots(vfs_t *, int, cred_t *); 55 56 int zfsctl_lookup_objset(vfs_t *vfsp, uint64_t objsetid, zfsvfs_t **zfsvfsp); 57 58 #define ZFSCTL_INO_ROOT 0x1 59 #define ZFSCTL_INO_SNAPDIR 0x2 60 61 #ifdef __cplusplus 62 } 63 #endif 64 65 #endif /* _ZFS_CTLDIR_H */ 66