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-rw-r--r--uts/common/fs/zfs/sys/zfs_ctldir.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/uts/common/fs/zfs/sys/zfs_ctldir.h b/uts/common/fs/zfs/sys/zfs_ctldir.h
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+++ b/uts/common/fs/zfs/sys/zfs_ctldir.h
@@ -0,0 +1,73 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+#ifndef _ZFS_CTLDIR_H
+#define _ZFS_CTLDIR_H
+
+#include <sys/pathname.h>
+#include <sys/vnode.h>
+#include <sys/zfs_vfsops.h>
+#include <sys/zfs_znode.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ZFS_CTLDIR_NAME ".zfs"
+
+#define zfs_has_ctldir(zdp) \
+ ((zdp)->z_id == (zdp)->z_zfsvfs->z_root && \
+ ((zdp)->z_zfsvfs->z_ctldir != NULL))
+#define zfs_show_ctldir(zdp) \
+ (zfs_has_ctldir(zdp) && \
+ ((zdp)->z_zfsvfs->z_show_ctldir))
+
+void zfsctl_create(zfsvfs_t *);
+void zfsctl_destroy(zfsvfs_t *);
+vnode_t *zfsctl_root(znode_t *);
+void zfsctl_init(void);
+void zfsctl_fini(void);
+boolean_t zfsctl_is_node(vnode_t *);
+
+int zfsctl_rename_snapshot(const char *from, const char *to);
+int zfsctl_destroy_snapshot(const char *snapname, int force);
+int zfsctl_umount_snapshots(vfs_t *, int, cred_t *);
+
+int zfsctl_root_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, pathname_t *pnp,
+ int flags, vnode_t *rdir, cred_t *cr, caller_context_t *ct,
+ int *direntflags, pathname_t *realpnp);
+
+int zfsctl_make_fid(zfsvfs_t *zfsvfsp, uint64_t object, uint32_t gen,
+ fid_t *fidp);
+int zfsctl_lookup_objset(vfs_t *vfsp, uint64_t objsetid, zfsvfs_t **zfsvfsp);
+
+#define ZFSCTL_INO_ROOT 0x1
+#define ZFSCTL_INO_SNAPDIR 0x2
+#define ZFSCTL_INO_SHARES 0x3
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZFS_CTLDIR_H */