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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2014, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
33 #ifndef _LUSTRE_DEBUG_H
34 #define _LUSTRE_DEBUG_H
36 /** \defgroup debug debug
41 #include <lustre_net.h>
44 #define LL_CDEBUG_PAGE(mask, page, fmt, arg...) \
45 CDEBUG(mask, "page %p map %p index %lu flags %lx count %u priv %0lx: " \
46 fmt, page, page->mapping, page->index, (long)page->flags, \
47 page_count(page), page_private(page), ## arg)
49 #define ASSERT_MAX_SIZE_MB 60000ULL
50 #define ASSERT_PAGE_INDEX(index, OP) \
51 do { if (index > ASSERT_MAX_SIZE_MB << (20 - PAGE_SHIFT)) { \
52 CERROR("bad page index %lu > %llu\n", index, \
53 ASSERT_MAX_SIZE_MB << (20 - PAGE_SHIFT)); \
54 libcfs_debug = ~0UL; \
58 #define ASSERT_FILE_OFFSET(offset, OP) \
59 do { if (offset > ASSERT_MAX_SIZE_MB << 20) { \
60 CERROR("bad file offset %llu > %llu\n", offset, \
61 ASSERT_MAX_SIZE_MB << 20); \
62 libcfs_debug = ~0UL; \
67 void dump_lniobuf(struct niobuf_local *lnb);
68 int dump_req(struct ptlrpc_request *req);
69 int block_debug_setup(void *addr, int len, __u64 off, __u64 id);
70 int block_debug_check(char *who, void *addr, int len, __u64 off, __u64 id);