/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 only, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 for more details (a copy is included * in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU General Public License * version 2 along with this program; If not, see * http://www.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * * Copyright (c) 2011, 2014, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ * Lustre is a trademark of Sun Microsystems, Inc. */ #ifndef _LUSTRE_DEBUG_H #define _LUSTRE_DEBUG_H /** \defgroup debug debug * * @{ */ #include #include #define LL_CDEBUG_PAGE(mask, page, fmt, arg...) \ CDEBUG(mask, "page %p map %p index %lu flags %lx count %u priv %0lx: " \ fmt, page, page->mapping, page->index, (long)page->flags, \ page_count(page), page_private(page), ## arg) #define ASSERT_MAX_SIZE_MB 60000ULL #define ASSERT_PAGE_INDEX(index, OP) \ do { if (index > ASSERT_MAX_SIZE_MB << (20 - PAGE_SHIFT)) { \ CERROR("bad page index %lu > %llu\n", index, \ ASSERT_MAX_SIZE_MB << (20 - PAGE_SHIFT)); \ libcfs_debug = ~0UL; \ OP; \ }} while(0) #define ASSERT_FILE_OFFSET(offset, OP) \ do { if (offset > ASSERT_MAX_SIZE_MB << 20) { \ CERROR("bad file offset %llu > %llu\n", offset, \ ASSERT_MAX_SIZE_MB << 20); \ libcfs_debug = ~0UL; \ OP; \ }} while(0) /* lib/debug.c */ void dump_lniobuf(struct niobuf_local *lnb); int dump_req(struct ptlrpc_request *req); int block_debug_setup(void *addr, int len, __u64 off, __u64 id); int block_debug_check(char *who, void *addr, int len, __u64 off, __u64 id); /** @} debug */ #endif