]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - drivers/staging/lustre/lustre/include/lustre_linkea.h
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 021110-1307, USA
24 * Copyright (c) 2013, Intel Corporation.
25 * Use is subject to license terms.
27 * Author: di wang <di.wang@intel.com>
32 * Buffer to keep link EA body.
34 struct lu_buf
*ld_buf
;
36 * The matched header, entry and its length in the EA
38 struct link_ea_header
*ld_leh
;
39 struct link_ea_entry
*ld_lee
;
43 int linkea_data_new(struct linkea_data
*ldata
, struct lu_buf
*buf
);
44 int linkea_init(struct linkea_data
*ldata
);
45 void linkea_entry_unpack(const struct link_ea_entry
*lee
, int *reclen
,
46 struct lu_name
*lname
, struct lu_fid
*pfid
);
47 int linkea_add_buf(struct linkea_data
*ldata
, const struct lu_name
*lname
,
48 const struct lu_fid
*pfid
);
49 void linkea_del_buf(struct linkea_data
*ldata
, const struct lu_name
*lname
);
50 int linkea_links_find(struct linkea_data
*ldata
, const struct lu_name
*lname
,
51 const struct lu_fid
*pfid
);
53 #define LINKEA_NEXT_ENTRY(ldata) \
54 (struct link_ea_entry *)((char *)ldata.ld_lee + ldata.ld_reclen)
56 #define LINKEA_FIRST_ENTRY(ldata) \
57 (struct link_ea_entry *)(ldata.ld_leh + 1)