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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2014, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #ifndef _LUSTRE_DEBUG_H
38 #define _LUSTRE_DEBUG_H
40 /** \defgroup debug debug
45 #include <lustre_net.h>
48 #define LL_CDEBUG_PAGE(mask, page, fmt, arg...) \
49 CDEBUG(mask, "page %p map %p index %lu flags %lx count %u priv %0lx: " \
50 fmt, page, page->mapping, page->index, (long)page->flags, \
51 page_count(page), page_private(page), ## arg)
53 #define ASSERT_MAX_SIZE_MB 60000ULL
54 #define ASSERT_PAGE_INDEX(index, OP) \
55 do { if (index > ASSERT_MAX_SIZE_MB << (20 - PAGE_CACHE_SHIFT)) { \
56 CERROR("bad page index %lu > %llu\n", index, \
57 ASSERT_MAX_SIZE_MB << (20 - PAGE_CACHE_SHIFT)); \
58 libcfs_debug = ~0UL; \
62 #define ASSERT_FILE_OFFSET(offset, OP) \
63 do { if (offset > ASSERT_MAX_SIZE_MB << 20) { \
64 CERROR("bad file offset %llu > %llu\n", offset, \
65 ASSERT_MAX_SIZE_MB << 20); \
66 libcfs_debug = ~0UL; \
71 void dump_lniobuf(struct niobuf_local *lnb);
72 int dump_req(struct ptlrpc_request *req);
73 int block_debug_setup(void *addr, int len, __u64 off, __u64 id);
74 int block_debug_check(char *who, void *addr, int len, __u64 off, __u64 id);