-#ifndef _OBD_SUPPORT
-#define _OBD_SUPPORT
-/*
- * Copyright (C) 2001 Cluster File Systems, Inc.
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ *
+ * This file is part of Lustre, http://www.lustre.org.
+ *
+ * Lustre is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * Lustre 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Lustre; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
- * This code is issued under the GNU General Public License.
- * See the file COPYING in this distribution
*/
+#ifndef _OBD_SUPPORT
+#define _OBD_SUPPORT
+
#include <linux/autoconf.h>
#include <linux/slab.h>
#include <linux/kp30.h>
/* global variables */
-extern int obd_debug_level;
-extern int obd_print_entry;
extern unsigned long obd_memory;
+extern unsigned long obd_fail_loc;
+
+#define OBD_FAIL_MDS 0x100
+#define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
+#define OBD_FAIL_MDS_GETATTR_NET 0x102
+#define OBD_FAIL_MDS_GETATTR_PACK 0x103
+#define OBD_FAIL_MDS_READPAGE_NET 0x104
+#define OBD_FAIL_MDS_READPAGE_PACK 0x105
+#define OBD_FAIL_MDS_SENDPAGE 0x106
+#define OBD_FAIL_MDS_REINT_NET 0x107
+#define OBD_FAIL_MDS_REINT_UNPACK 0x108
+#define OBD_FAIL_MDS_REINT_SETATTR 0x109
+#define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
+#define OBD_FAIL_MDS_REINT_CREATE 0x10b
+#define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
+#define OBD_FAIL_MDS_REINT_UNLINK 0x10d
+#define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
+#define OBD_FAIL_MDS_REINT_LINK 0x10f
+#define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
+#define OBD_FAIL_MDS_REINT_RENAME 0x111
+#define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
+#define OBD_FAIL_MDS_OPEN_NET 0x113
+#define OBD_FAIL_MDS_OPEN_PACK 0x114
+#define OBD_FAIL_MDS_CLOSE_NET 0x115
+#define OBD_FAIL_MDS_CLOSE_PACK 0x116
+#define OBD_FAIL_MDS_CONNECT_NET 0x117
+#define OBD_FAIL_MDS_CONNECT_PACK 0x118
+#define OBD_FAIL_MDS_REINT_NET_REP 0x119
+#define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
+#define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
+#define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
+#define OBD_FAIL_MDS_STATFS_PACK 0x11d
+#define OBD_FAIL_MDS_STATFS_NET 0x11e
+
+#define OBD_FAIL_OST 0x200
+#define OBD_FAIL_OST_CONNECT_NET 0x201
+#define OBD_FAIL_OST_DISCONNECT_NET 0x202
+#define OBD_FAIL_OST_GET_INFO_NET 0x203
+#define OBD_FAIL_OST_CREATE_NET 0x204
+#define OBD_FAIL_OST_DESTROY_NET 0x205
+#define OBD_FAIL_OST_GETATTR_NET 0x206
+#define OBD_FAIL_OST_SETATTR_NET 0x207
+#define OBD_FAIL_OST_OPEN_NET 0x208
+#define OBD_FAIL_OST_CLOSE_NET 0x209
+#define OBD_FAIL_OST_BRW_NET 0x20a
+#define OBD_FAIL_OST_PUNCH_NET 0x20b
+#define OBD_FAIL_OST_STATFS_NET 0x20c
+
+#define OBB_FAIL_LDLM 0x300
+#define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
+#define OBD_FAIL_LDLM_ENQUEUE 0x302
+#define OBD_FAIL_LDLM_CONVERT 0x303
+#define OBD_FAIL_LDLM_CANCEL 0x304
+#define OBD_FAIL_LDLM_CALLBACK 0x305
+
+/* preparation for a more advanced failure testbed (not functional yet) */
+#define OBD_FAIL_MASK_SYS 0x0000FF00
+#define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
+#define OBD_FAIL_ONCE 0x80000000
+#define OBD_FAILED 0x40000000
+#define OBD_FAIL_MDS_ALL_NET 0x01000000
+#define OBD_FAIL_OST_ALL_NET 0x02000000
+
+#define OBD_FAIL_CHECK(id) ((obd_fail_loc & OBD_FAIL_MASK_LOC) == (id) && \
+ ((obd_fail_loc & (OBD_FAILED | OBD_FAIL_ONCE))!=\
+ (OBD_FAILED | OBD_FAIL_ONCE)))
+
+#define OBD_FAIL_RETURN(id, ret) \
+do { \
+ if (OBD_FAIL_CHECK(id)) { \
+ CERROR("obd_fail_loc=%x, fail operation rc=%d\n", id, ret); \
+ obd_fail_loc |= OBD_FAILED; \
+ if ((id) & OBD_FAIL_ONCE) \
+ obd_fail_loc |= OBD_FAIL_ONCE; \
+ RETURN(ret); \
+ } \
+} while(0)
+
+#include <linux/types.h>
+#include <linux/blkdev.h>
+
+static inline void fixme(void)
+{
+ CERROR("FIXME\n");
+}
+
+static inline void OBD_FAIL_WRITE(int id, kdev_t dev)
+{
+ if (OBD_FAIL_CHECK(id)) {
+#ifdef CONFIG_DEV_RDONLY
+ CERROR("obd_fail_loc=%x, fail write operation on %s\n",
+ id, bdevname(dev));
+ dev_set_rdonly(dev, 2);
+#else
+ CERROR("obd_fail_loc=%x, can't fail write operation on %s\n",
+ id, bdevname(dev));
+#endif
+ /* We set FAIL_ONCE because we never "un-fail" a device */
+ obd_fail_loc |= OBD_FAILED | OBD_FAIL_ONCE;
+ }
+}
-#define OBD_ALLOC(ptr, size) \
-do { \
- long s = (size); \
- (ptr) = kmalloc(s, GFP_KERNEL); \
- if ((ptr) == NULL) { \
- CERROR("kernel malloc of %ld bytes failed at " \
- "%s:%d\n", s, __FILE__, __LINE__); \
- } else { \
- memset((ptr), 0, s); \
- obd_memory += s; \
- } \
- CDEBUG(D_MALLOC, "kmalloced: %ld at %x (tot %ld).\n", \
- s, (int)(ptr), obd_memory); \
+#define OBD_ALLOC(ptr, size) \
+do { \
+ long s = (size); \
+ (ptr) = kmalloc(s, GFP_KERNEL); \
+ if ((ptr) == NULL) { \
+ CERROR("kmalloc of '" #ptr "' (%ld bytes) failed " \
+ "at %s:%d\n", s, __FILE__, __LINE__); \
+ } else { \
+ memset((ptr), 0, s); \
+ obd_memory += s; \
+ CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %ld at " \
+ "%p (tot %ld).\n", s, (ptr), obd_memory); \
+ } \
} while (0)
-#define OBD_FREE(ptr, size) \
-do { \
- int s = (size); \
- kfree((ptr)); \
- CDEBUG(D_MALLOC, "kfreed: %d at %x (tot %ld).\n", \
- s, (int)(ptr), obd_memory); \
- obd_memory -= s; \
+#define OBD_FREE(ptr, size) \
+do { \
+ int s = (size); \
+ kfree((ptr)); \
+ obd_memory -= s; \
+ CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p (tot %ld).\n", \
+ s, (ptr), obd_memory); \
} while (0)
#endif