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9530eb64e0
Sponsored-by: https://despairlabs.com/sponsor/ Signed-off-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
// SPDX-License-Identifier: CDDL-1.0
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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*/
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#ifndef _ZFS_CTLDIR_H
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#define _ZFS_CTLDIR_H
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#include <sys/vnode.h>
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#include <sys/zfs_vfsops.h>
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#include <sys/zfs_znode.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ZFS_CTLDIR_NAME ".zfs"
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#define zfs_has_ctldir(zdp) \
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((zdp)->z_id == (zdp)->z_zfsvfs->z_root && \
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((zdp)->z_zfsvfs->z_ctldir != NULL))
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#define zfs_show_ctldir(zdp) \
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(zfs_has_ctldir(zdp) && \
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((zdp)->z_zfsvfs->z_show_ctldir == ZFS_SNAPDIR_VISIBLE))
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void zfsctl_create(zfsvfs_t *);
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void zfsctl_destroy(zfsvfs_t *);
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int zfsctl_root(zfsvfs_t *, int, vnode_t **);
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void zfsctl_init(void);
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void zfsctl_fini(void);
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boolean_t zfsctl_is_node(vnode_t *);
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int zfsctl_snapshot_unmount(const char *snapname, int flags);
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int zfsctl_rename_snapshot(const char *from, const char *to);
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int zfsctl_destroy_snapshot(const char *snapname, int force);
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int zfsctl_umount_snapshots(vfs_t *, int, cred_t *);
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int zfsctl_lookup_objset(vfs_t *vfsp, uint64_t objsetid, zfsvfs_t **zfsvfsp);
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#define ZFSCTL_INO_ROOT 0x1
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#define ZFSCTL_INO_SNAPDIR 0x2
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZFS_CTLDIR_H */
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