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diff --git a/fs/freevxfs/vxfs_olt.h b/fs/freevxfs/vxfs_olt.h
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+++ b/fs/freevxfs/vxfs_olt.h
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+/*
+ * Copyright (c) 2000-2001 Christoph Hellwig.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL").
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+#ifndef _VXFS_OLT_H_
+#define _VXFS_OLT_H_
+
+/*
+ * Veritas filesystem driver - Object Location Table data structures.
+ *
+ * This file contains definitions for the Object Location Table used
+ * by the Veritas Filesystem version 2 and newer.
+ */
+
+
+/*
+ * OLT magic number (vxfs_olt->olt_magic).
+ */
+#define VXFS_OLT_MAGIC          0xa504FCF5
+
+/*
+ * VxFS OLT entry types.
+ */
+enum {
+        VXFS_OLT_FREE   = 1,
+        VXFS_OLT_FSHEAD = 2,
+        VXFS_OLT_CUT    = 3,
+        VXFS_OLT_ILIST  = 4,
+        VXFS_OLT_DEV    = 5,
+        VXFS_OLT_SB     = 6
+};
+
+/*
+ * VxFS OLT header.
+ *
+ * The Object Location Table header is placed at the beginning of each
+ * OLT extent.  It is used to fing certain filesystem-wide metadata, e.g.
+ * the inital inode list, the fileset header or the device configuration.
+ */
+struct vxfs_olt {
+        u_int32_t       olt_magic;      /* magic number                 */
+        u_int32_t       olt_size;       /* size of this entry           */
+        u_int32_t       olt_checksum;   /* checksum of extent           */
+        u_int32_t       __unused1;      /* ???                          */
+        u_int32_t       olt_mtime;      /* time of last mod. (sec)      */
+        u_int32_t       olt_mutime;     /* time of last mod. (usec)     */
+        u_int32_t       olt_totfree;    /* free space in OLT extent     */
+        vx_daddr_t      olt_extents[2]; /* addr of this extent, replica */
+        u_int32_t       olt_esize;      /* size of this extent          */
+        vx_daddr_t      olt_next[2];    /* addr of next extent, replica */
+        u_int32_t       olt_nsize;      /* size of next extent          */
+        u_int32_t       __unused2;      /* align to 8 byte boundary     */
+};
+
+/*
+ * VxFS common OLT entry (on disk).
+ */
+struct vxfs_oltcommon {
+        u_int32_t       olt_type;       /* type of this record          */
+        u_int32_t       olt_size;       /* size of this record          */
+};
+
+/*
+ * VxFS free OLT entry (on disk).
+ */
+struct vxfs_oltfree {
+        u_int32_t       olt_type;       /* type of this record          */
+        u_int32_t       olt_fsize;      /* size of this free record     */
+};
+
+/*
+ * VxFS initial-inode list (on disk).
+ */
+struct vxfs_oltilist {
+        u_int32_t       olt_type;       /* type of this record          */
+        u_int32_t       olt_size;       /* size of this record          */
+        vx_ino_t        olt_iext[2];    /* initial inode list, replica  */
+};
+
+/*
+ * Current Usage Table 
+ */
+struct vxfs_oltcut {
+        u_int32_t       olt_type;       /* type of this record          */
+        u_int32_t       olt_size;       /* size of this record          */
+        vx_ino_t        olt_cutino;     /* inode of current usage table */
+        u_int32_t       __pad;          /* unused, 8 byte align         */
+};
+
+/*
+ * Inodes containing Superblock, Intent log and OLTs 
+ */
+struct vxfs_oltsb {
+        u_int32_t       olt_type;       /* type of this record          */
+        u_int32_t       olt_size;       /* size of this record          */
+        vx_ino_t        olt_sbino;      /* inode of superblock file     */
+        u_int32_t       __unused1;      /* ???                          */
+        vx_ino_t        olt_logino[2];  /* inode of log file,replica    */
+        vx_ino_t        olt_oltino[2];  /* inode of OLT, replica        */
+};
+
+/*
+ * Inode containing device configuration + it's replica 
+ */
+struct vxfs_oltdev {
+        u_int32_t       olt_type;       /* type of this record          */
+        u_int32_t       olt_size;       /* size of this record          */
+        vx_ino_t        olt_devino[2];  /* inode of device config files */
+};
+
+/*
+ * Fileset header 
+ */
+struct vxfs_oltfshead {
+        u_int32_t       olt_type;       /* type number                  */
+        u_int32_t       olt_size;       /* size of this record          */
+        vx_ino_t        olt_fsino[2];   /* inodes of fileset header     */
+};
+
+#endif /* _VXFS_OLT_H_ */