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>
42 /* The lfsck file is new created, for new MDT, upgrading from old disk,
43 * or re-creating the lfsck file manually. */
46 /* The first-step system scanning. */
47 LS_SCANNING_PHASE1 = 1,
49 /* The second-step system scanning. */
50 LS_SCANNING_PHASE2 = 2,
52 /* The LFSCK processing has completed for all objects. */
55 /* The LFSCK exited automatically for failure, will not auto restart. */
58 /* The LFSCK is stopped manually, will not auto restart. */
61 /* LFSCK is paused automatically when umount,
62 * will be restarted automatically when remount. */
65 /* System crashed during the LFSCK,
66 * will be restarted automatically after recovery. */
69 /* Some OST/MDT failed during the LFSCK, or not join the LFSCK. */
75 struct lfsck_start_param {
76 struct lfsck_start *lsp_start;
77 struct ldlm_namespace *lsp_namespace;
80 int lfsck_register(const struct lu_env *env, struct dt_device *key,
81 struct dt_device *next, bool master);
82 void lfsck_degister(const struct lu_env *env, struct dt_device *key);
84 int lfsck_start(const struct lu_env *env, struct dt_device *key,
85 struct lfsck_start_param *lsp);
86 int lfsck_stop(const struct lu_env *env, struct dt_device *key,
89 int lfsck_get_speed(struct dt_device *key, void *buf, int len);
90 int lfsck_set_speed(struct dt_device *key, int val);
92 int lfsck_dump(struct dt_device *key, void *buf, int len, enum lfsck_type type);
94 #endif /* _LUSTRE_LFSCK_H */