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, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, 2015, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #ifndef __LLOG_INTERNAL_H__
38 #define __LLOG_INTERNAL_H__
40 #include <lustre_log.h>
42 struct llog_process_info {
43 struct llog_handle *lpi_loghandle;
48 struct completion lpi_completion;
49 const struct lu_env *lpi_env;
52 struct llog_thread_info {
53 struct lu_attr lgi_attr;
54 struct lu_fid lgi_fid;
55 struct dt_object_format lgi_dof;
56 struct lu_buf lgi_buf;
58 struct llog_logid_rec lgi_logid;
59 struct dt_insert_rec lgi_dt_rec;
60 struct lu_seq_range lgi_range;
61 struct llog_cookie lgi_cookie;
65 extern struct lu_context_key llog_thread_key;
67 static inline struct llog_thread_info *llog_info(const struct lu_env *env)
69 struct llog_thread_info *lgi;
71 lgi = lu_context_key_get(&env->le_ctx, &llog_thread_key);
77 lustre_build_llog_lvfs_oid(struct llog_logid *logid, __u64 ino, __u32 gen)
79 ostid_set_seq_llog(&logid->lgl_oi);
80 ostid_set_id(&logid->lgl_oi, ino);
81 logid->lgl_ogen = gen;
84 int llog_info_init(void);
85 void llog_info_fini(void);
87 void llog_handle_get(struct llog_handle *loghandle);
88 void llog_handle_put(struct llog_handle *loghandle);
89 int llog_cat_id2handle(const struct lu_env *env, struct llog_handle *cathandle,
90 struct llog_handle **res, struct llog_logid *logid);
91 int class_config_dump_handler(const struct lu_env *env,
92 struct llog_handle *handle,
93 struct llog_rec_hdr *rec, void *data);
94 int class_config_yaml_output(struct llog_rec_hdr *rec, char *buf, int size);
95 int llog_process_or_fork(const struct lu_env *env,
96 struct llog_handle *loghandle,
97 llog_cb_t cb, void *data, void *catdata, bool fork);
98 int llog_cat_cleanup(const struct lu_env *env, struct llog_handle *cathandle,
99 struct llog_handle *loghandle, int index);
101 static inline struct llog_rec_hdr *llog_rec_hdr_next(struct llog_rec_hdr *rec)
103 return (struct llog_rec_hdr *)((char *)rec + rec->lrh_len);