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75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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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 http://www.opensolaris.org/os/licensing.
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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 2008 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _ZFS_CTLDIR_H
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#define _ZFS_CTLDIR_H
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#pragma ident "%Z%%M% %I% %E% SMI"
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#include <sys/pathname.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))
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void zfsctl_create(zfsvfs_t *);
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void zfsctl_destroy(zfsvfs_t *);
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vnode_t *zfsctl_root(znode_t *);
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void zfsctl_init(void);
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void zfsctl_fini(void);
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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_root_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, pathname_t *pnp,
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int flags, vnode_t *rdir, cred_t *cr, caller_context_t *ct,
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int *direntflags, pathname_t *realpnp);
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int zfsctl_make_fid(zfsvfs_t *zfsvfsp, uint64_t object, uint32_t gen,
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fid_t *fidp);
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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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