Staging: lustre: Remove unused libiam.h header

/*

 * GPL HEADER START

 *

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 only,

 * as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * General Public License version 2 for more details (a copy is included

 * in the LICENSE file that accompanied this code).

 *

 * You should have received a copy of the GNU General Public License

 * version 2 along with this program; If not, see

 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 * GPL HEADER END

 */

/*

 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.

 * Use is subject to license terms.

 */

/*

 * This file is part of Lustre, http://www.lustre.org/

 * Lustre is a trademark of Sun Microsystems, Inc.

 *

 * lustre/include/lustre/libiam.h

 *

 * iam user level library

 *

 * Author: Wang Di <wangdi@clusterfs.com>

 * Author: Nikita Danilov <nikita@clusterfs.com>

 * Author: Fan Yong <fanyong@clusterfs.com>

 */

/*

 *  lustre/libiam.h

 */

#ifndef __IAM_ULIB_H__

#define __IAM_ULIB_H__

/** \defgroup libiam libiam

 *

 * @{

 */

#define DX_FMT_NAME_LEN 16

enum iam_fmt_t {

	FMT_LFIX,

	FMT_LVAR

};

struct iam_uapi_info {

	__u16 iui_keysize;

	__u16 iui_recsize;

	__u16 iui_ptrsize;

	__u16 iui_height;

	char  iui_fmt_name[DX_FMT_NAME_LEN];

};

/*

 * Creat an iam file, but do NOT open it.

 * Return 0 if success, else -1.

 */

int iam_creat(char *filename, enum iam_fmt_t fmt,

	      int blocksize, int keysize, int recsize, int ptrsize);

/*

 * Open an iam file, but do NOT creat it if the file doesn't exist.

 * Please use iam_creat for creating the file before use iam_open.

 * Return file id (fd) if success, else -1.

 */

int iam_open(char *filename, struct iam_uapi_info *ua);

/*

 * Close file opened by iam_open.

 */

int iam_close(int fd);

/*

 * Please use iam_open before use this function.

 */

int iam_insert(int fd, struct iam_uapi_info *ua,

	       int key_need_convert, char *keybuf,

	       int rec_need_convert, char *recbuf);

/*

 * Please use iam_open before use this function.

 */

int iam_lookup(int fd, struct iam_uapi_info *ua,

	       int key_need_convert, char *key_buf,

	       int *keysize, char *save_key,

	       int rec_need_convert, char *rec_buf,

	       int *recsize, char *save_rec);

/*

 * Please use iam_open before use this function.

 */

int iam_delete(int fd, struct iam_uapi_info *ua,

	       int key_need_convert, char *keybuf,

	       int rec_need_convert, char *recbuf);

/*

 * Please use iam_open before use this function.

 */

int iam_it_start(int fd, struct iam_uapi_info *ua,

		 int key_need_convert, char *key_buf,

		 int *keysize, char *save_key,

		 int rec_need_convert, char *rec_buf,

		 int *recsize, char *save_rec);

/*

 * Please use iam_open before use this function.

 */

int iam_it_next(int fd, struct iam_uapi_info *ua,

		int key_need_convert, char *key_buf,

		int *keysize, char *save_key,

		int rec_need_convert, char *rec_buf,

		int *recsize, char *save_rec);

/*

 * Please use iam_open before use this function.

 */

int iam_it_stop(int fd, struct iam_uapi_info *ua,

		int key_need_convert, char *keybuf,

		int rec_need_convert, char *recbuf);

/*

 * Change iam file mode.

 */

int iam_polymorph(char *filename, unsigned long mode);

/** @} libiam */

#endif