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b=22273 Don't remove lcd in case of client_add failure
[fs/lustre-release.git] / lustre / include / obd_support.h
index 8d86823..a3be3a1 100644 (file)
@@ -1,29 +1,43 @@
 /* -*- 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
 #define _OBD_SUPPORT
 
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
 #include <lvfs.h>
 #include <lprocfs_status.h>
 
@@ -56,26 +70,90 @@ extern unsigned int obd_fail_val;
 extern unsigned int obd_debug_peer_on_timeout;
 extern unsigned int obd_dump_on_timeout;
 extern unsigned int obd_dump_on_eviction;
+/* obd_timeout should only be used for recovery, not for
+   networking / disk / timings affected by load (use Adaptive Timeouts) */
 extern unsigned int obd_timeout;          /* seconds */
-#define PING_INTERVAL max(obd_timeout / 4, 1U)
-#define RECONNECT_INTERVAL max(obd_timeout / 10, 10U)
-extern unsigned int ldlm_timeout;
-extern unsigned int obd_health_check_timeout;
+extern unsigned int ldlm_timeout;         /* seconds */
+extern unsigned int at_min;
+extern unsigned int at_max;
+extern unsigned int at_history;
+extern int at_early_margin;
+extern int at_extra;
 extern unsigned int obd_sync_filter;
 extern unsigned int obd_max_dirty_pages;
-extern atomic_t obd_dirty_pages;
+extern cfs_atomic_t obd_dirty_pages;
+extern cfs_atomic_t obd_dirty_transit_pages;
 extern cfs_waitq_t obd_race_waitq;
 extern int obd_race_state;
 extern unsigned int obd_alloc_fail_rate;
 
 int __obd_fail_check_set(__u32 id, __u32 value, int set);
+int __obd_fail_timeout_set(__u32 id, __u32 value, int ms, int set);
+
+/* lvfs.c */
+int obd_alloc_fail(const void *ptr, const char *name, const char *type,
+                   size_t size, const char *file, int line);
+
+/* Some hash init argument constants */
+#define HASH_POOLS_CUR_BITS 3
+#define HASH_POOLS_MAX_BITS 7
+#define HASH_UUID_CUR_BITS 7
+#define HASH_UUID_MAX_BITS 12
+#define HASH_NID_CUR_BITS 7
+#define HASH_NID_MAX_BITS 12
+#define HASH_NID_STATS_CUR_BITS 7
+#define HASH_NID_STATS_MAX_BITS 12
+#define HASH_LQS_CUR_BITS 7
+#define HASH_LQS_MAX_BITS 12
+#define HASH_CONN_CUR_BITS 5
+#define HASH_CONN_MAX_BITS 15
+#define HASH_EXP_LOCK_CUR_BITS  7
+#define HASH_EXP_LOCK_MAX_BITS  16
 
 /* Timeout definitions */
-#define LDLM_TIMEOUT_DEFAULT 20
-#define OBD_TIMEOUT_DEFAULT 100
-#define HEALTH_CHECK_COEF 3 / 2
-#define HEALTH_CHECK_TIMEOUT_DEFAULT (OBD_TIMEOUT_DEFAULT * HEALTH_CHECK_COEF)
-#define HEALTH_CHECK_TIMEOUT (obd_timeout * HEALTH_CHECK_COEF)
+#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 */
+/* Change recovery-small 26b time if you change this */
+#define PING_INTERVAL max(obd_timeout / 4, 1U)
+/* Client may skip 1 ping; we must wait at least 2.5. But for multiple
+ * failover targets the client only pings one server at a time, and pings
+ * can be lost on a loaded network. Since eviction has serious consequences,
+ * and there's no urgent need to evict a client just because it's idle, we
+ * should be very conservative here. */
+#define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
+#define DISK_TIMEOUT 50          /* Beyond this we warn about disk speed */
+#define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
+ /* Max connect interval for nonresponsive servers; ~50s to avoid building up
+    connect requests in the LND queues, but within obd_timeout so we don't
+    miss the recovery window */
+#define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
+#define CONNECTION_SWITCH_INC 5  /* Connection timeout backoff */
+#ifndef CRAY_XT3
+/* In general this should be low to have quick detection of a system
+   running on a backup server. (If it's too low, import_select_connection
+   will increase the timeout anyhow.)  */
+#define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
+#else
+/* ...but for very large systems (e.g. CRAY) we need to keep the initial
+   connect t.o. high (bz 10803), because they will nearly ALWAYS be doing the
+   connects for the first time (clients "reboot" after every process, so no
+   chance to generate adaptive timeout data. */
+#define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/2)
+#endif
+/* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
+#define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
+                             INITIAL_CONNECT_TIMEOUT)
+#define LONG_UNLINK 300          /* Unlink should happen before now */
+
+/**
+ * Time interval of shrink, if the client is "idle" more than this interval,
+ * then the ll_grant thread will return the requested grant space to filter
+ */
+#define GRANT_SHRINK_INTERVAL            1200/*20 minutes*/
 
 #define OBD_FAIL_MDS                     0x100
 #define OBD_FAIL_MDS_HANDLE_UNPACK       0x101
@@ -132,14 +210,29 @@ int __obd_fail_check_set(__u32 id, __u32 value, int set);
 #define OBD_FAIL_MDS_SETXATTR_WRITE      0x134
 #define OBD_FAIL_MDS_FS_SETUP            0x135
 #define OBD_FAIL_MDS_RESEND              0x136
-#define OBD_FAIL_MDS_IS_SUBDIR_NET       0x137
-#define OBD_FAIL_MDS_IS_SUBDIR_PACK      0x138
-#define OBD_FAIL_MDS_SET_INFO_NET        0x139
-#define OBD_FAIL_MDS_WRITEPAGE_NET       0x13a
-#define OBD_FAIL_MDS_WRITEPAGE_PACK      0x13b
-#define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x13c
-#define OBD_FAIL_MDS_OSC_PRECREATE       0x13d
-#define OBD_FAIL_MDS_LOV_SYNC_RACE       0x13e
+#define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x137
+#define OBD_FAIL_MDS_LOV_SYNC_RACE       0x138
+#define OBD_FAIL_MDS_OSC_PRECREATE       0x139
+#define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT   0x13a
+#define OBD_FAIL_MDS_CLOSE_NET_REP       0x13b
+#define OBD_FAIL_MDS_BLOCK_QUOTA_REQ     0x13c
+#define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
+#define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
+#define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
+#define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
+#define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
+#define OBD_FAIL_MDS_REINT_DELAY         0x142
+#define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x143
+#define OBD_FAIL_MDS_READLINK_EPROTO     0x144
+
+/* CMD */
+#define OBD_FAIL_MDS_IS_SUBDIR_NET       0x180
+#define OBD_FAIL_MDS_IS_SUBDIR_PACK      0x181
+#define OBD_FAIL_MDS_SET_INFO_NET        0x182
+#define OBD_FAIL_MDS_WRITEPAGE_NET       0x183
+#define OBD_FAIL_MDS_WRITEPAGE_PACK      0x184
+#define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
+#define OBD_FAIL_MDS_GET_INFO_NET        0x186
 
 #define OBD_FAIL_OST                     0x200
 #define OBD_FAIL_OST_CONNECT_NET         0x201
@@ -159,7 +252,7 @@ int __obd_fail_check_set(__u32 id, __u32 value, int set);
 #define OBD_FAIL_OST_BRW_READ_BULK       0x20f
 #define OBD_FAIL_OST_SYNC_NET            0x210
 #define OBD_FAIL_OST_ALL_REPLY_NET       0x211
-#define OBD_FAIL_OST_ALL_REQUESTS_NET    0x212
+#define OBD_FAIL_OST_ALL_REQUEST_NET     0x212
 #define OBD_FAIL_OST_LDLM_REPLY_NET      0x213
 #define OBD_FAIL_OST_BRW_PAUSE_BULK      0x214
 #define OBD_FAIL_OST_ENOSPC              0x215
@@ -174,6 +267,13 @@ int __obd_fail_check_set(__u32 id, __u32 value, int set);
 #define OBD_FAIL_OST_SETATTR_CREDITS     0x21e
 #define OBD_FAIL_OST_HOLD_WRITE_RPC      0x21f
 #define OBD_FAIL_OST_BRW_WRITE_BULK2     0x220
+#define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
+#define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
+#define OBD_FAIL_OST_PAUSE_CREATE        0x223
+#define OBD_FAIL_OST_BRW_PAUSE_PACK      0x224
+#define OBD_FAIL_OST_CONNECT_NET2        0x225
+#define OBD_FAIL_OST_NOMEM               0x226
+#define OBD_FAIL_OST_BRW_PAUSE_BULK2     0x227
 
 #define OBD_FAIL_LDLM                    0x300
 #define OBD_FAIL_LDLM_NAMESPACE_NEW      0x301
@@ -193,6 +293,16 @@ int __obd_fail_check_set(__u32 id, __u32 value, int set);
 #define OBD_FAIL_LDLM_GLIMPSE            0x30f
 #define OBD_FAIL_LDLM_CANCEL_RACE        0x310
 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE  0x311
+#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_LDLM_OST_FAIL_RACE      0x316
+#define OBD_FAIL_LDLM_INTR_CP_AST        0x317
+#define OBD_FAIL_LDLM_CP_BL_RACE         0x318
+
+/* LOCKLESS IO */
+#define OBD_FAIL_LDLM_SET_CONTENTION     0x385
 
 #define OBD_FAIL_OSC                     0x400
 #define OBD_FAIL_OSC_BRW_READ_BULK       0x401
@@ -205,6 +315,11 @@ int __obd_fail_check_set(__u32 id, __u32 value, int set);
 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE    0x408
 #define OBD_FAIL_OSC_CHECKSUM_SEND       0x409
 #define OBD_FAIL_OSC_BRW_PREP_REQ2       0x40a
+#define OBD_FAIL_OSC_CONNECT_CKSUM       0x40b
+#define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
+#define OBD_FAIL_OSC_DIO_PAUSE           0x40d
+#define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
+#define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
 
 #define OBD_FAIL_PTLRPC                  0x500
 #define OBD_FAIL_PTLRPC_ACK              0x501
@@ -214,12 +329,24 @@ int __obd_fail_check_set(__u32 id, __u32 value, int set);
 #define OBD_FAIL_PTLRPC_DROP_RPC         0x505
 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
 #define OBD_FAIL_PTLRPC_DELAY_RECOV      0x507
+#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB   0x508
+#define OBD_FAIL_PTLRPC_PAUSE_REQ        0x50a
+#define OBD_FAIL_PTLRPC_PAUSE_REP        0x50c
+#define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
+#define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
+#define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
+#define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
+#define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
+#define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
+#define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
 
 #define OBD_FAIL_OBD_PING_NET            0x600
 #define OBD_FAIL_OBD_LOG_CANCEL_NET      0x601
 #define OBD_FAIL_OBD_LOGD_NET            0x602
 #define OBD_FAIL_OBD_QC_CALLBACK_NET     0x603
 #define OBD_FAIL_OBD_DQACQ               0x604
+#define OBD_FAIL_OBD_LLOG_SETUP          0x605
+#define OBD_FAIL_OBD_LOG_CANCEL_REP      0x606
 
 #define OBD_FAIL_TGT_REPLY_NET           0x700
 #define OBD_FAIL_TGT_CONN_RACE           0x701
@@ -227,22 +354,32 @@ int __obd_fail_check_set(__u32 id, __u32 value, int set);
 #define OBD_FAIL_TGT_DELAY_CONNECT       0x703
 #define OBD_FAIL_TGT_DELAY_RECONNECT     0x704
 #define OBD_FAIL_TGT_DELAY_PRECREATE     0x705
+#define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
+#define OBD_FAIL_TGT_REPLAY_DROP         0x707
+#define OBD_FAIL_TGT_FAKE_EXP            0x708
+#define OBD_FAIL_TGT_REPLAY_DELAY        0x709
+#define OBD_FAIL_TGT_LAST_REPLAY         0x710
+#define OBD_FAIL_TGT_CLIENT_ADD          0x711
 
 #define OBD_FAIL_MDC_REVALIDATE_PAUSE    0x800
 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
+#define OBD_FAIL_MDC_OLD_EXT_FLAGS       0x802
+#define OBD_FAIL_MDC_GETATTR_ENQUEUE     0x803
 
 #define OBD_FAIL_MGS                     0x900
 #define OBD_FAIL_MGS_ALL_REQUEST_NET     0x901
 #define OBD_FAIL_MGS_ALL_REPLY_NET       0x902
-#define OBD_FAIL_MGC_PROCESS_LOG         0x903
-#define OBD_FAIL_MGS_SLOW_REQUEST_NET    0x904
-#define OBD_FAIL_MGS_SLOW_TARGET_REG     0x905
+#define OBD_FAIL_MGC_PAUSE_PROCESS_LOG   0x903
+#define OBD_FAIL_MGS_PAUSE_REQ           0x904
+#define OBD_FAIL_MGS_PAUSE_TARGET_REG    0x905
 
-#define OBD_FAIL_QUOTA_QD_COUNT_32BIT    0xa00
+#define OBD_FAIL_QUOTA_RET_QDATA         0xA02
+#define OBD_FAIL_QUOTA_DELAY_REL         0xA03
+#define OBD_FAIL_QUOTA_DELAY_SD          0xA04
 
-#define OBD_FAIL_LPROC_REMOVE            0xb00
+#define OBD_FAIL_LPROC_REMOVE            0xB00
 
-#define OBD_FAIL_GENERAL_ALLOC           0xc00
+#define OBD_FAIL_GENERAL_ALLOC           0xC00
 
 #define OBD_FAIL_SEQ                     0x1000
 #define OBD_FAIL_SEQ_QUERY_NET           0x1001
@@ -254,6 +391,19 @@ int __obd_fail_check_set(__u32 id, __u32 value, int set);
 #define OBD_FAIL_SEC_CTX_INIT_NET        0x1201
 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET   0x1202
 #define OBD_FAIL_SEC_CTX_FINI_NET        0x1203
+#define OBD_FAIL_SEC_CTX_HDL_PAUSE       0x1204
+
+#define OBD_FAIL_LLOG                               0x1300
+#define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET            0x1301
+#define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET      0x1302
+#define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET     0x1303
+#define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
+#define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET  0x1305
+#define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET  0x1306
+#define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET   0x1307
+#define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET       0x1308
+#define OBD_FAIL_LLOG_CATINFO_NET                   0x1309
+
 
 /* Failure injection control */
 #define OBD_FAIL_MASK_SYS    0x0000FF00
@@ -302,28 +452,28 @@ static inline int obd_fail_check_set(__u32 id, __u32 value, int set)
         obd_fail_check_set(id, value, OBD_FAIL_LOC_RESET)
 
 
-static inline int obd_fail_timeout_set(__u32 id, __u32 value, int secs, int set)
+static inline int obd_fail_timeout_set(__u32 id, __u32 value, int ms, int set)
 {
-        int ret = 0;
-        if (unlikely(OBD_FAIL_PRECHECK(id) &&
-            (ret = __obd_fail_check_set(id, value, set)))) {
-                CERROR("obd_fail_timeout id %x sleeping for %d secs\n",
-                       id, secs);
-                set_current_state(TASK_UNINTERRUPTIBLE);
-                cfs_schedule_timeout(CFS_TASK_UNINT,  cfs_time_seconds(secs));
-                set_current_state(TASK_RUNNING);
-                CERROR("obd_fail_timeout id %x awake\n", id);
-        }
-        return ret;
+        if (unlikely(OBD_FAIL_PRECHECK(id)))
+                return __obd_fail_timeout_set(id, value, ms, set);
+        else
+                return 0;
 }
 
-/* If id hit obd_fail_loc, sleep secs */
+/* If id hit obd_fail_loc, sleep for seconds or milliseconds */
 #define OBD_FAIL_TIMEOUT(id, secs) \
-        obd_fail_timeout_set(id, 0, secs, OBD_FAIL_LOC_NOSET)
+        obd_fail_timeout_set(id, 0, secs * 1000, OBD_FAIL_LOC_NOSET)
+
+#define OBD_FAIL_TIMEOUT_MS(id, ms) \
+        obd_fail_timeout_set(id, 0, ms, OBD_FAIL_LOC_NOSET)
 
-/* If id hit obd_fail_loc, obd_fail_loc |= value and sleep secs */
+/* If id hit obd_fail_loc, obd_fail_loc |= value and
+ * sleep seconds or milliseconds */
 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) \
-        obd_fail_timeout_set(id, value, secs, OBD_FAIL_LOC_ORSET)
+        obd_fail_timeout_set(id, value, secs * 1000, OBD_FAIL_LOC_ORSET)
+
+#define OBD_FAIL_TIMEOUT_MS_ORSET(id, value, ms) \
+        obd_fail_timeout_set(id, value, ms, OBD_FAIL_LOC_ORSET)
 
 #ifdef __KERNEL__
 static inline void obd_fail_write(int id, struct super_block *sb)
@@ -356,7 +506,7 @@ static inline void obd_race(__u32 id)
                 } else {
                         CERROR("obd_fail_race id %x waking\n", id);
                         obd_race_state = 1;
-                        wake_up(&obd_race_waitq);
+                        cfs_waitq_signal(&obd_race_waitq);
                 }
         }
 }
@@ -368,9 +518,9 @@ static inline void obd_race(__u32 id)
 
 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
 
-extern atomic_t libcfs_kmemory;
+extern cfs_atomic_t libcfs_kmemory;
 
-#ifdef LPROCFS 
+#ifdef LPROCFS
 #define obd_memory_add(size)                                                  \
         lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
 #define obd_memory_sub(size)                                                  \
@@ -412,7 +562,7 @@ static inline void obd_memory_sub(long size)
         obd_alloc -= size;
 }
 
-static inline void obd_pages_add(int order) 
+static inline void obd_pages_add(int order)
 {
         obd_pages += 1<< order;
         if (obd_pages > obd_max_pages)
@@ -432,129 +582,16 @@ static inline void obd_pages_sub(int order)
 
 #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);                                       \
@@ -630,7 +667,7 @@ do {                                                                          \
                 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n",           \
                        (int)(size));                                          \
                 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
-                       obd_memory_sum(), atomic_read(&libcfs_kmemory));       \
+                       obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory));   \
         } else {                                                              \
                 memset(ptr, 0, size);                                         \
                 OBD_ALLOC_POST(ptr, size, "vmalloced");                       \
@@ -709,10 +746,10 @@ do {                                                                          \
         cfs_mem_cache_free((slab), (ptr));                                    \
         (ptr) = NULL;                                                         \
         0;                                                                    \
-}) 
+})
 #define OBD_SLAB_ALLOC(ptr, slab, type, size)                                 \
 do {                                                                          \
-        LASSERT(!in_interrupt());                                             \
+        LASSERT(ergo(type != CFS_ALLOC_ATOMIC, !cfs_in_interrupt()));         \
         (ptr) = cfs_mem_cache_alloc(slab, (type));                            \
         if (likely((ptr) != NULL &&                                           \
                    (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 ||       \
@@ -737,8 +774,11 @@ do {                                                                          \
         OBD_SLAB_ALLOC((ptr), (slab), CFS_ALLOC_STD, sizeof *(ptr))
 #define OBD_SLAB_FREE_PTR(ptr, slab)                                          \
         OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
+#define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, gfp)                              \
+        OBD_SLAB_ALLOC((ptr), (slab), (gfp), sizeof *(ptr))
 
-#define KEY_IS(str) (keylen >= strlen(str) && strncmp(key, str, keylen) == 0)
+#define KEY_IS(str) \
+        (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
 
 /* Wrapper for contiguous page frame allocation */
 #define OBD_PAGES_ALLOC(ptr, order, gfp_mask)                                 \
@@ -754,7 +794,7 @@ do {                                                                          \
                        obd_memory_sum(),                                      \
                        obd_pages_sum() << CFS_PAGE_SHIFT,                     \
                        obd_pages_sum(),                                       \
-                       atomic_read(&libcfs_kmemory));                         \
+                       cfs_atomic_read(&libcfs_kmemory));                     \
         } else {                                                              \
                 obd_pages_add(order);                                         \
                 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / "      \