projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| d7e09d03 PT |
1 | /* |
| 2 | * GPL HEADER START | |
| 3 | * | |
| 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 5 | * | |
| 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. | |
| 9 | * | |
| 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). | |
| 15 | * | |
| 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 | |
| 20 | * | |
| 21 | * GPL HEADER END | |
| 22 | */ | |
| 23 | /* | |
| 24 | * Copyright (c) 2013, Intel Corporation. | |
| 25 | * Use is subject to license terms. | |
| 26 | * | |
| 27 | * Author: di wang <di.wang@intel.com> | |
| 28 | */ | |
| 29 | ||
| 30 | struct linkea_data { | |
| 31 | /** | |
| 32 | * Buffer to keep link EA body. | |
| 33 | */ | |
| 34 | struct lu_buf *ld_buf; | |
| 35 | /** | |
| bd9070cb | 36 | * The matched header, entry and its length in the EA |
| d7e09d03 PT |
37 | */ |
| 38 | struct link_ea_header *ld_leh; | |
| 39 | struct link_ea_entry *ld_lee; | |
| 40 | int ld_reclen; | |
| 41 | }; | |
| 42 | ||
| 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); | |
| 52 | ||
| 53 | #define LINKEA_NEXT_ENTRY(ldata) \ | |
| 54 | (struct link_ea_entry *)((char *)ldata.ld_lee + ldata.ld_reclen) | |
| 55 | ||
| 56 | #define LINKEA_FIRST_ENTRY(ldata) \ | |
| 57 | (struct link_ea_entry *)(ldata.ld_leh + 1) |