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/*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA
*
* GPL HEADER END
*/
/*
* Copyright (c) 2013, Intel Corporation.
* Use is subject to license terms.
*
* Author: di wang <di.wang@intel.com>
*/
struct linkea_data {
/**
* Buffer to keep link EA body.
*/
struct lu_buf *ld_buf;
/**
* The matched header, entry and its lenght in the EA
*/
struct link_ea_header *ld_leh;
struct link_ea_entry *ld_lee;
int ld_reclen;
};
int linkea_data_new(struct linkea_data *ldata, struct lu_buf *buf);
int linkea_init(struct linkea_data *ldata);
void linkea_entry_unpack(const struct link_ea_entry *lee, int *reclen,
struct lu_name *lname, struct lu_fid *pfid);
int linkea_add_buf(struct linkea_data *ldata, const struct lu_name *lname,
const struct lu_fid *pfid);
void linkea_del_buf(struct linkea_data *ldata, const struct lu_name *lname);
int linkea_links_find(struct linkea_data *ldata, const struct lu_name *lname,
const struct lu_fid *pfid);
#define LINKEA_NEXT_ENTRY(ldata) \
(struct link_ea_entry *)((char *)ldata.ld_lee + ldata.ld_reclen)
#define LINKEA_FIRST_ENTRY(ldata) \
(struct link_ea_entry *)(ldata.ld_leh + 1)
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