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,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License version 2 for more details. A copy is
14 * included in the COPYING file that accompanied this code.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * Copyright (c) 2013, 2017, Intel Corporation.
26 * lustre/include/lustre_lfsck.h
28 * Lustre LFSCK exported functions.
30 * Author: Fan, Yong <fan.yong@intel.com>
33 #ifndef _LUSTRE_LFSCK_H
34 # define _LUSTRE_LFSCK_H
36 #include <uapi/linux/lustre/lustre_lfsck_user.h>
37 #include <lustre_dlm.h>
38 #include <lu_object.h>
39 #include <dt_object.h>
41 struct lfsck_start_param {
42 struct lfsck_start *lsp_start;
44 unsigned int lsp_index_valid:1;
47 /* For LE_PAIRS_VERIFY returned status */
48 enum lfsck_pv_status {
50 LPVS_INCONSISTENT = 1,
51 LPVS_INCONSISTENT_TOFIX = 2,
54 enum lfsck_events_local {
56 LEL_PAIRS_VERIFY_LOCAL = 2,
59 struct lfsck_req_local {
65 struct lu_fid lrl_fid;
66 struct filter_fid lrl_ff_client;
67 struct filter_fid lrl_ff_local;
70 struct lfsck_layout_dangling_key {
71 struct lu_fid lldk_fid;
76 typedef int (*lfsck_out_notify)(const struct lu_env *env, void *data,
77 enum lfsck_events event);
79 int lfsck_register_namespace(const struct lu_env *env, struct dt_device *key,
80 struct ldlm_namespace *ns);
81 int lfsck_register(const struct lu_env *env, struct dt_device *key,
82 struct dt_device *next, struct obd_device *obd,
83 lfsck_out_notify notify, void *notify_data, bool master);
84 void lfsck_degister(const struct lu_env *env, struct dt_device *key);
86 int lfsck_add_target(const struct lu_env *env, struct dt_device *key,
87 struct dt_device *tgt, struct obd_export *exp,
88 __u32 index, bool for_ost);
89 void lfsck_del_target(const struct lu_env *env, struct dt_device *key,
90 struct dt_device *tgt, __u32 index, bool for_ost);
92 int lfsck_start(const struct lu_env *env, struct dt_device *key,
93 struct lfsck_start_param *lsp);
94 int lfsck_stop(const struct lu_env *env, struct dt_device *key,
95 struct lfsck_stop *stop);
96 int lfsck_in_notify_local(const struct lu_env *env, struct dt_device *key,
97 struct lfsck_req_local *lrl, struct thandle *th);
98 int lfsck_in_notify(const struct lu_env *env, struct dt_device *key,
99 struct lfsck_request *lr);
100 int lfsck_query(const struct lu_env *env, struct dt_device *key,
101 struct lfsck_request *req, struct lfsck_reply *rep,
102 struct lfsck_query *que);
104 int lfsck_get_speed(char *buf, struct dt_device *key);
105 int lfsck_set_speed(struct dt_device *key, __u32 val);
106 int lfsck_get_windows(char *buf, struct dt_device *key);
107 int lfsck_set_windows(struct dt_device *key, unsigned int val);
109 int lfsck_dump(struct seq_file *m, struct dt_device *key, enum lfsck_type type);
111 static inline void lfsck_pack_rfa(struct lfsck_req_local *lrl,
112 const struct lu_fid *fid,
113 enum lfsck_events_local event, __u16 com)
115 memset(lrl, 0, sizeof(*lrl));
117 lrl->lrl_event = event;
118 lrl->lrl_active = com;
121 static inline bool lovea_slot_is_dummy(const struct lov_ost_data_v1 *obj)
123 /* zero area does not care about the bytes-order. */
124 if (obj->l_ost_oi.oi.oi_id == 0 && obj->l_ost_oi.oi.oi_seq == 0 &&
125 obj->l_ost_idx == 0 && obj->l_ost_gen == 0)
130 #endif /* _LUSTRE_LFSCK_H */