/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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.
+ * 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.
*
- * 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.
+ * 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
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef _OBD_SUPPORT
size_t size, const char *file, int line);
/* Timeout definitions */
-#define OBD_TIMEOUT_DEFAULT 100
-#define LDLM_TIMEOUT_DEFAULT 20
+#define OBD_TIMEOUT_DEFAULT 100
+#define LDLM_TIMEOUT_DEFAULT 20
+#define MDS_LDLM_TIMEOUT_DEFAULT 6
/* Time to wait for all clients to reconnect during recovery */
/* Should be very conservative; must catch the first reconnect after reboot */
#define OBD_RECOVERY_FACTOR (3) /* times obd_timeout */
#define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
#define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
#define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
+#define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
#define OBD_FAIL_OSC 0x400
#define OBD_FAIL_OSC_BRW_READ_BULK 0x401
#endif
-#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
-
-#define OBD_MT_WRONG_SIZE (1 << 0)
-#define OBD_MT_ALREADY_FREED (1 << 1)
-#define OBD_MT_LOC_LEN 128
-
-struct obd_mem_track {
- struct hlist_node mt_hash;
- char mt_loc[OBD_MT_LOC_LEN];
- int mt_flags;
- void *mt_ptr;
- int mt_size;
-};
-
-void lvfs_memdbg_show(void);
-void lvfs_memdbg_insert(struct obd_mem_track *mt);
-void lvfs_memdbg_remove(struct obd_mem_track *mt);
-struct obd_mem_track *lvfs_memdbg_find(void *ptr);
-
-int lvfs_memdbg_check_insert(struct obd_mem_track *mt);
-struct obd_mem_track *lvfs_memdbg_check_remove(void *ptr);
-
-static inline struct obd_mem_track *
-__new_mem_track(void *ptr, int size,
- char *file, int line)
-{
- struct obd_mem_track *mt;
-
- mt = kmalloc(sizeof(*mt), GFP_KERNEL);
- if (unlikely(!mt))
- return NULL;
-
- snprintf(mt->mt_loc, sizeof(mt->mt_loc) - 1,
- "%s:%d", file, line);
-
- mt->mt_size = size;
- mt->mt_ptr = ptr;
- mt->mt_flags = 0;
- return mt;
-}
-
-static inline void
-__free_mem_track(struct obd_mem_track *mt)
-{
- kfree(mt);
-}
-
-static inline int
-__get_mem_track(void *ptr, int size,
- char *file, int line)
-{
- struct obd_mem_track *mt;
-
- mt = __new_mem_track(ptr, size, file, line);
- if (unlikely(!mt)) {
- CWARN("Can't allocate new memory track\n");
- return 0;
- }
-
- if (!lvfs_memdbg_check_insert(mt))
- __free_mem_track(mt);
-
- return 1;
-}
-
-static inline int
-__put_mem_track(void *ptr, int size,
- char *file, int line)
-{
- struct obd_mem_track *mt;
-
- if (unlikely(!(mt = lvfs_memdbg_check_remove(ptr)))) {
- CWARN("Ptr 0x%p is not allocated. Attempt to free "
- "not allocated memory at %s:%d\n", ptr,
- file, line);
- LBUG();
- return 0;
- } else {
- if (unlikely(mt->mt_size != size)) {
- if (!(mt->mt_flags & OBD_MT_ALREADY_FREED)) {
- mt->mt_flags |= (OBD_MT_WRONG_SIZE |
- OBD_MT_ALREADY_FREED);
-
- CWARN("Freeing memory chunk (at 0x%p) of "
- "different size than allocated "
- "(%d != %d) at %s:%d, allocated at %s\n",
- ptr, mt->mt_size, size, file, line,
- mt->mt_loc);
- }
- } else {
- __free_mem_track(mt);
- }
- return 1;
- }
-}
-
-#define get_mem_track(ptr, size, file, line) \
- __get_mem_track((ptr), (size), (file), (line))
-
-#define put_mem_track(ptr, size, file, line) \
- __put_mem_track((ptr), (size), (file), (line))
-
-#else /* !CONFIG_DEBUG_MEMORY */
-
-#define get_mem_track(ptr, size, file, line) \
- do {} while (0)
-
-#define put_mem_track(ptr, size, file, line) \
- do {} while (0)
-#endif /* !CONFIG_DEBUG_MEMORY */
-
#define OBD_DEBUG_MEMUSAGE (1)
#if OBD_DEBUG_MEMUSAGE
#define OBD_ALLOC_POST(ptr, size, name) \
obd_memory_add(size); \
- get_mem_track((ptr), (size), __FILE__, __LINE__); \
CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
(int)(size), ptr)
#define OBD_FREE_PRE(ptr, size, name) \
LASSERT(ptr); \
- put_mem_track((ptr), (size), __FILE__, __LINE__); \
obd_memory_sub(size); \
CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
(int)(size), ptr); \
git://git.whamcloud.com / fs / lustre-release.git / blobdiff