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, 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 <lustre/lustre_lfsck_user.h>
37 #include <lustre_dlm.h>
38 #include <lu_object.h>
39 #include <dt_object.h>
55 * -----------------------------------------------------------------
59 * LS_SCANNING_PHASE2 LS_FAILED LS_STOPPED LS_PAUSED LS_CRASHED LS_PARTIAL
62 * | (lfsck:restart) |: |: |: |: |:
64 * -----------------------------------------------------------------
70 /* The lfsck file is new created, for new MDT, upgrading from old disk,
71 * or re-creating the lfsck file manually. */
74 /* The first-step system scanning. */
75 LS_SCANNING_PHASE1 = 1,
77 /* The second-step system scanning. */
78 LS_SCANNING_PHASE2 = 2,
80 /* The LFSCK processing has completed for all objects. */
83 /* The LFSCK exited automatically for failure, will not auto restart. */
86 /* The LFSCK is stopped manually, will not auto restart. */
89 /* LFSCK is paused automatically when umount,
90 * will be restarted automatically when remount. */
93 /* System crashed during the LFSCK,
94 * will be restarted automatically after recovery. */
97 /* Some OST/MDT failed during the LFSCK, or not join the LFSCK. */
103 struct lfsck_start_param {
104 struct lfsck_start *lsp_start;
105 struct ldlm_namespace *lsp_namespace;
109 LE_LASTID_REBUILDING = 1,
110 LE_LASTID_REBUILT = 2,
113 typedef int (*lfsck_out_notify)(const struct lu_env *env, void *data,
114 enum lfsck_events event);
116 int lfsck_register(const struct lu_env *env, struct dt_device *key,
117 struct dt_device *next, lfsck_out_notify notify,
118 void *notify_data, bool master);
119 void lfsck_degister(const struct lu_env *env, struct dt_device *key);
121 int lfsck_add_target(const struct lu_env *env, struct dt_device *key,
122 struct dt_device *tgt, struct obd_export *exp,
123 __u32 index, bool for_ost);
124 void lfsck_del_target(const struct lu_env *env, struct dt_device *key,
125 struct dt_device *tgt, __u32 index, bool for_ost);
127 int lfsck_start(const struct lu_env *env, struct dt_device *key,
128 struct lfsck_start_param *lsp);
129 int lfsck_stop(const struct lu_env *env, struct dt_device *key,
132 int lfsck_get_speed(struct dt_device *key, void *buf, int len);
133 int lfsck_set_speed(struct dt_device *key, int val);
135 int lfsck_dump(struct dt_device *key, void *buf, int len, enum lfsck_type type);
137 #endif /* _LUSTRE_LFSCK_H */