diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/include/lustre_debug.h')
| -rw-r--r-- | drivers/staging/lustre/lustre/include/lustre_debug.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/include/lustre_debug.h b/drivers/staging/lustre/lustre/include/lustre_debug.h new file mode 100644 index 000000000000..3d9e4462af43 --- /dev/null +++ b/drivers/staging/lustre/lustre/include/lustre_debug.h @@ -0,0 +1,76 @@ +/* + * 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.sun.com/software/products/lustre/docs/GPLv2.pdf + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + * GPL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2011, 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 <lustre_net.h> +#include <obd.h> + +#include <linux/lustre_debug.h> + +#define ASSERT_MAX_SIZE_MB 60000ULL +#define ASSERT_PAGE_INDEX(index, OP) \ +do { if (index > ASSERT_MAX_SIZE_MB << (20 - PAGE_CACHE_SHIFT)) { \ + CERROR("bad page index %lu > %llu\n", index, \ + ASSERT_MAX_SIZE_MB << (20 - PAGE_CACHE_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); +void dump_lsm(int level, struct lov_stripe_md *lsm); +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 |