Viewing: obd_support.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
#ifndef _OBD_SUPPORT
#define _OBD_SUPPORT
#include <linux/atomic.h>
#include <linux/ctype.h>
#include <linux/highmem.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/percpu_counter.h>
#include <linux/libcfs/libcfs_debug.h>
#include <linux/libcfs/libcfs_private.h>
#include <linux/lnet/lib-cpt.h>
#include <lprocfs_status.h>
#include <lustre_handles.h>
#include <uapi/linux/lustre/lustre_idl.h>
#include <uapi/linux/lustre/lgss.h>
/* global variables */
extern struct percpu_counter obd_memory;
extern unsigned int obd_debug_peer_on_timeout;
extern unsigned int obd_dump_on_timeout;
extern unsigned int obd_dump_on_eviction;
extern unsigned int obd_lbug_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 */
extern unsigned int ldlm_timeout; /* seconds */
extern unsigned int ping_interval; /* seconds */
extern unsigned int obd_timeout_set;
extern unsigned int ldlm_timeout_set;
extern unsigned int bulk_timeout;
extern int allow_register;
extern unsigned int at_min;
extern unsigned int at_max;
extern unsigned int at_history;
extern unsigned int at_unhealthy_factor;
extern int at_early_margin;
extern int at_extra;
extern unsigned long obd_max_dirty_pages;
extern atomic_long_t obd_dirty_pages;
extern char obd_jobid_var[];
extern bool obd_enable_health_write;
extern bool obd_enable_fname_encoding;
/* Some hash init argument constants */
#define HASH_GEN_BKT_BITS 5
#define HASH_GEN_CUR_BITS 7
#define HASH_GEN_MAX_BITS 12
#define HASH_LQE_BKT_BITS 5
#define HASH_LQE_CUR_BITS 7
#define HASH_LQE_MAX_BITS 12
#define HASH_EXP_LOCK_BKT_BITS 5
#define HASH_EXP_LOCK_CUR_BITS 7
#define HASH_EXP_LOCK_MAX_BITS 16
/* Timeout definitions */
#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 (hard limit) */
#define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
/* Time to wait for all clients to reconnect during recovery (soft limit) */
/* Should be very conservative; must catch the first reconnect after reboot */
#define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
/* Change recovery-small 26b time if you change this */
#define PING_INTERVAL ping_interval
/* a bit more than maximal journal commit time in seconds */
#define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
/* 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 */
/* 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)
/* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
#define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
INITIAL_CONNECT_TIMEOUT)
/* The min time a target should wait for clients to reconnect in recovery */
#define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
#define OBD_IR_FACTOR_MIN 1
#define OBD_IR_FACTOR_MAX 10
#define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
/* default timeout for the MGS to become IR_FULL */
#define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
/* Unlink should happen within this many seconds. */
#define PTLRPC_REQ_LONG_UNLINK 300
/**
* 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
#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_GET_ROOT_NET 0x11b
#define OBD_FAIL_MDS_GET_ROOT_PACK 0x11c
#define OBD_FAIL_MDS_STATFS_PACK 0x11d
#define OBD_FAIL_MDS_STATFS_SUM_PACK 0x11d
#define OBD_FAIL_MDS_STATFS_NET 0x11e
#define OBD_FAIL_MDS_STATFS_SUM_NET 0x11e
#define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
#define OBD_FAIL_MDS_PIN_NET 0x120
#define OBD_FAIL_MDS_UNPIN_NET 0x121
#define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
#define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
#define OBD_FAIL_MDS_SYNC_NET 0x124
#define OBD_FAIL_MDS_SYNC_PACK 0x125
/* OBD_FAIL_MDS_DONE_WRITING_NET 0x126 obsolete since 2.8.0 */
/* OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 obsolete since 2.8.0 */
#define OBD_FAIL_MDS_ALLOC_OBDO 0x128
#define OBD_FAIL_MDS_PAUSE_OPEN 0x129
#define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
#define OBD_FAIL_MDS_OPEN_CREATE 0x12b
#define OBD_FAIL_MDS_OST_SETATTR 0x12c
/* OBD_FAIL_MDS_QUOTACHECK_NET 0x12d obsolete since 2.4 */
#define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
#define OBD_FAIL_MDS_CLIENT_ADD 0x12f
#define OBD_FAIL_MDS_GETXATTR_NET 0x130
#define OBD_FAIL_MDS_GETXATTR_PACK 0x131
#define OBD_FAIL_MDS_SETXATTR_NET 0x132
#define OBD_FAIL_MDS_SETXATTR 0x133
#define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
#define OBD_FAIL_MDS_FS_SETUP 0x135
#define OBD_FAIL_MDS_RESEND 0x136
#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_READLINK_EPROTO 0x143
#define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
#define OBD_FAIL_MDS_PDO_LOCK 0x145
#define OBD_FAIL_MDS_PDO_LOCK2 0x146
#define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
#define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148
#define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149
#define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a
#define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b
#define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c
#define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d
#define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e
#define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f
#define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
#define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
#define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS 0x152
#define OBD_FAIL_MDS_RENAME 0x153
#define OBD_FAIL_MDS_RENAME2 0x154
#define OBD_FAIL_MDS_RENAME3 0x155
#define OBD_FAIL_MDS_RENAME4 0x156
#define OBD_FAIL_MDS_LDLM_REPLY_NET 0x157
#define OBD_FAIL_MDS_STALE_DIR_LAYOUT 0x158
#define OBD_FAIL_MDS_REINT_MULTI_NET 0x159
#define OBD_FAIL_MDS_REINT_MULTI_NET_REP 0x15a
#define OBD_FAIL_MDS_LLOG_CREATE_FAILED2 0x15b
#define OBD_FAIL_MDS_FLD_LOOKUP 0x15c
#define OBD_FAIL_MDS_CHANGELOG_REORDER 0x15d
#define OBD_FAIL_MDS_LLOG_UMOUNT_RACE 0x15e
#define OBD_FAIL_MDS_CHANGELOG_RACE 0x15f
#define OBD_FAIL_MDS_INTENT_DELAY 0x160
#define OBD_FAIL_MDS_XATTR_REP 0x161
#define OBD_FAIL_MDS_TRACK_OVERFLOW 0x162
#define OBD_FAIL_MDS_LOV_CREATE_RACE 0x163
#define OBD_FAIL_MDS_HSM_CDT_DELAY 0x164
#define OBD_FAIL_MDS_ORPHAN_DELETE 0x165
#define OBD_FAIL_MDS_RMFID_NET 0x166
#define OBD_FAIL_MDS_CREATE_RACE 0x167
#define OBD_FAIL_MDS_STATFS_SPOOF 0x168
#define OBD_FAIL_MDS_REINT_OPEN 0x169
#define OBD_FAIL_MDS_REINT_OPEN2 0x16a
#define OBD_FAIL_MDS_COMMITRW_DELAY 0x16b
#define OBD_FAIL_MDS_CHANGELOG_DEL 0x16c
#define OBD_FAIL_MDS_CHANGELOG_IDX_PUMP 0x16d
#define OBD_FAIL_MDS_DELAY_DELORPHAN 0x16e
#define OBD_FAIL_MDS_DIR_PAGE_WALK 0x16f
/* continue at 0x2400, see below */
/* layout lock */
#define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
#define OBD_FAIL_MDS_NO_LL_OPEN 0x171
#define OBD_FAIL_MDS_LL_BLOCK 0x172
#define OBD_FAIL_MDS_LOD_CREATE_PAUSE 0x173
#define OBD_FAIL_MDS_CONNECT_VS_EVICT 0x174
#define OBD_FAIL_MDS_DELAY_OPEN 0x175
#define OBD_FAIL_MDS_LL_PCCRO 0x176
/* 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_MDS_DQACQ_NET 0x187
#define OBD_FAIL_MDS_STRIPE_CREATE 0x188
#define OBD_FAIL_MDS_STRIPE_FID 0x189
#define OBD_FAIL_MDS_LINK_RENAME_RACE 0x18a
#define OBD_FAIL_MDS_HSM_RESTORE_RACE 0x18b
#define OBD_FAIL_MDS_CHANGELOG_ENOSPC 0x18c
#define OBD_FAIL_MDS_BATCH_NET 0x18d
#define OBD_FAIL_MDS_HSM_DATA_VERSION_NET 0x18e
#define OBD_FAIL_MDS_CHANGELOG_FAIL_WRITE 0x18f
/* OI scrub */
#define OBD_FAIL_OSD_SCRUB_DELAY 0x190
#define OBD_FAIL_OSD_SCRUB_CRASH 0x191
#define OBD_FAIL_OSD_SCRUB_FATAL 0x192
#define OBD_FAIL_OSD_FID_MAPPING 0x193
#define OBD_FAIL_OSD_LMA_INCOMPAT 0x194
#define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195
#define OBD_FAIL_OSD_COMPAT_NO_ENTRY 0x196
#define OBD_FAIL_OSD_OST_EA_FID_SET 0x197
#define OBD_FAIL_OSD_NO_OI_ENTRY 0x198
#define OBD_FAIL_OSD_INDEX_CRASH 0x199
#define OBD_FAIL_OSD_TXN_START 0x19a
#define OBD_FAIL_OSD_DUPLICATE_MAP 0x19b
#define OBD_FAIL_OSD_REF_DEL 0x19c
#define OBD_FAIL_OSD_OI_ENOSPC 0x19d
#define OBD_FAIL_OSD_DOTDOT_ENOSPC 0x19e
#define OBD_FAIL_OSD_SCRUB_STALE 0x19f
#define OBD_FAIL_OSD_FID_REUSE 0x1a0
#define OBD_FAIL_OSD_DONT_DROP_PREALLOC 0x1a1
#define OBD_FAIL_OFD_SET_OID 0x1e0
#define OBD_FAIL_OFD_COMMITRW_DELAY 0x1e1
#define OBD_FAIL_OFD_IGET_FAIL_TO_START 0x1e2
#define OBD_FAIL_OFD_IGET_FAIL 0x1e3
#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 OBD_FAIL_OST_HANDLE_UNPACK 0x20d
#define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
#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_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
#define OBD_FAIL_OST_EROFS 0x216
#define OBD_FAIL_SRV_ENOENT 0x217
/* OBD_FAIL_OST_QUOTACHECK_NET 0x218 obsolete since 2.4 */
#define OBD_FAIL_OST_QUOTACTL_NET 0x219
#define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
#define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
#define OBD_FAIL_OST_BRW_SIZE 0x21c
#define OBD_FAIL_OST_DROP_REQ 0x21d
#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_OST_MAPBLK_ENOSPC 0x228
#define OBD_FAIL_OST_ENOINO 0x229
#define OBD_FAIL_OST_DQACQ_NET 0x230
#define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
#define OBD_FAIL_OST_SET_INFO_NET 0x232
#define OBD_FAIL_OST_NODESTROY 0x233
/* OBD_FAIL_OST_READ_SIZE 0x234 obsolete since 2.14 */
#define OBD_FAIL_OST_LADVISE_NET 0x235
#define OBD_FAIL_OST_PAUSE_PUNCH 0x236
#define OBD_FAIL_OST_LADVISE_PAUSE 0x237
#define OBD_FAIL_OST_FAKE_RW 0x238
#define OBD_FAIL_OST_LIST_ASSERT 0x239
#define OBD_FAIL_OST_GL_WORK_ALLOC 0x240
#define OBD_FAIL_OST_SKIP_LV_CHECK 0x241
#define OBD_FAIL_OST_STATFS_DELAY 0x242
#define OBD_FAIL_OST_INTEGRITY_FAULT 0x243
#define OBD_FAIL_OST_INTEGRITY_CMP 0x244
#define OBD_FAIL_OST_DISCONNECT_DELAY 0x245
#define OBD_FAIL_OST_PREPARE_DELAY 0x247
#define OBD_FAIL_OST_2BIG_NIOBUF 0x248
#define OBD_FAIL_OST_FALLOCATE_NET 0x249
#define OBD_FAIL_OST_SEEK_NET 0x24a
#define OBD_FAIL_OST_WR_ATTR_DELAY 0x250
#define OBD_FAIL_OST_RESTART_IO 0x251
#define OBD_FAIL_OST_OPCODE 0x253
#define OBD_FAIL_OST_DELORPHAN_DELAY 0x254
#define OBD_FAIL_OST_ENOSPC_VALID 0x255
#define OBD_FAIL_OST_GRANT_PREPARE 0x256
#define OBD_FAIL_LDLM 0x300
#define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
#define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
#define OBD_FAIL_LDLM_CONVERT_NET 0x303
#define OBD_FAIL_LDLM_CANCEL_NET 0x304
#define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
#define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
#define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
#define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
#define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
#define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
#define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
#define OBD_FAIL_LDLM_REPLY 0x30c
#define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
#define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
#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
#define OBD_FAIL_LDLM_NEW_LOCK 0x319
#define OBD_FAIL_LDLM_AGL_DELAY 0x31a
#define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
#define OBD_FAIL_LDLM_OST_LVB 0x31c
#define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
#define OBD_FAIL_LDLM_BL_EVICT 0x31e
#define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
#define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
#define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
#define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
#define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
#define OBD_FAIL_LDLM_SRV_BL_AST 0x324
#define OBD_FAIL_LDLM_SRV_CP_AST 0x325
#define OBD_FAIL_LDLM_SRV_GL_AST 0x326
#define OBD_FAIL_LDLM_WATERMARK_LOW 0x327
#define OBD_FAIL_LDLM_WATERMARK_HIGH 0x328
#define OBD_FAIL_LDLM_PAUSE_CANCEL_LOCAL 0x329
#define OBD_FAIL_LDLM_GRANT_CHECK 0x32a
#define OBD_FAIL_LDLM_PROLONG_PAUSE 0x32b
#define OBD_FAIL_LDLM_LOCAL_CANCEL_PAUSE 0x32c
#define OBD_FAIL_LDLM_LOCK_REPLAY 0x32d
#define OBD_FAIL_LDLM_REPLAY_PAUSE 0x32e
#define OBD_FAIL_LDLM_LOCK_STACK 0x32f
/* LOCKLESS IO */
#define OBD_FAIL_LDLM_SET_CONTENTION 0x385
#define OBD_FAIL_OSC 0x400
#define OBD_FAIL_OSC_BRW_READ_BULK 0x401
#define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
#define OBD_FAIL_OSC_LOCK_BL_AST 0x403
#define OBD_FAIL_OSC_LOCK_CP_AST 0x404
#define OBD_FAIL_OSC_MATCH 0x405
#define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
#define OBD_FAIL_OSC_SHUTDOWN 0x407
#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 Obsolete since 2.9 */
#define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
/*#define OBD_FAIL_OSC_DIO_PAUSE 0x40d removed in 2.0 */
#define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
#define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
#define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
#define OBD_FAIL_OSC_NO_GRANT 0x411
#define OBD_FAIL_OSC_DELAY_SETTIME 0x412
#define OBD_FAIL_OSC_CONNECT_GRANT_PARAM 0x413
#define OBD_FAIL_OSC_DELAY_IO 0x414
#define OBD_FAIL_OSC_NO_SIZE_DATA 0x415
#define OBD_FAIL_OSC_DELAY_CANCEL 0x416
#define OBD_FAIL_OSC_SLOW_PAGE_EVICT 0x417
#define OBD_FAIL_OSC_FIEMAP 0x418
#define OBD_FAIL_OSC_MARK_COMPRESSED 0x419
#define OBD_FAIL_PTLRPC 0x500
#define OBD_FAIL_PTLRPC_ACK 0x501
#define OBD_FAIL_PTLRPC_RQBD 0x502
#define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
#define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
#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_PTLRPC_FINISH_REPLAY 0x514
#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
#define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
#define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
#define OBD_FAIL_PTLRPC_DROP_BULK 0x51a
#define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK 0x51b
#define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
#define OBD_FAIL_PTLRPC_DROP_MGS 0x51d
#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3 0x520
#define OBD_FAIL_PTLRPC_BULK_ATTACH 0x521
#define OBD_FAIL_PTLRPC_BULK_REPLY_ATTACH 0x522
#define OBD_FAIL_PTLRPC_RESEND_RACE 0x525
#define OBD_FAIL_PTLRPC_ROUND_XID 0x530
#define OBD_FAIL_PTLRPC_CONNECT_RACE 0x531
#define OBD_FAIL_PTLRPC_IDLE_RACE 0x533
#define OBD_FAIL_PTLRPC_ENQ_RESEND 0x534
#define OBD_FAIL_PTLRPC_DELAY_SEND_FAIL 0x535
#define OBD_FAIL_PTLRPC_REPLAY_PAUSE 0x536
#define OBD_FAIL_OBD_PING_NET 0x600
/* OBD_FAIL_OBD_LOG_CANCEL_NET 0x601 obsolete since 1.5 */
#define OBD_FAIL_OBD_LOGD_NET 0x602
/* OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 obsolete since 2.4 */
#define OBD_FAIL_OBD_DQACQ 0x604
#define OBD_FAIL_OBD_LLOG_SETUP 0x605
/* OBD_FAIL_OBD_LOG_CANCEL_REP 0x606 obsolete since 1.5 */
#define OBD_FAIL_OBD_IDX_READ_NET 0x607
#define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
#define OBD_FAIL_OBD_NO_LRU 0x609
#define OBD_FAIL_OBDCLASS_MODULE_LOAD 0x60a
#define OBD_FAIL_OBD_ZERO_NLINK_RACE 0x60b
#define OBD_FAIL_OBD_STOP_MDS_RACE 0x60c
#define OBD_FAIL_OBD_SETUP 0x60d
#define OBD_FAIL_OBD_CLEANUP 0x60e
#define OBD_FAIL_OBD_PAUSE_EVICTOR 0x60f
#define OBD_FAIL_TGT_REPLY_NET 0x700
#define OBD_FAIL_TGT_CONN_RACE 0x701
#define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
#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 (obsoleted) */
#define OBD_FAIL_TGT_CLIENT_ADD 0x711
#define OBD_FAIL_TGT_RCVG_FLAG 0x712
#define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
#define OBD_FAIL_TGT_REPLAY_DELAY2 0x714
#define OBD_FAIL_TGT_REPLAY_RECONNECT 0x715
#define OBD_FAIL_TGT_MOUNT_RACE 0x716
#define OBD_FAIL_TGT_REPLAY_TIMEOUT 0x717
#define OBD_FAIL_TGT_CLIENT_DEL 0x718
#define OBD_FAIL_TGT_SLUGGISH_NET 0x719
#define OBD_FAIL_TGT_RCVD_EIO 0x720
#define OBD_FAIL_TGT_RECOVERY_REQ_RACE 0x721
#define OBD_FAIL_TGT_REPLY_DATA_RACE 0x722
#define OBD_FAIL_TGT_RECOVERY_CONNECT 0x724
#define OBD_FAIL_TGT_NO_GRANT 0x725
#define OBD_FAIL_TGT_TXN_NO_CANCEL 0x726
#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_MDC_RPCS_SEM 0x804 /* deprecated */
#define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
#define OBD_FAIL_MDC_CLOSE 0x806
#define OBD_FAIL_MDC_MERGE 0x807
#define OBD_FAIL_MDC_GLIMPSE_DDOS 0x808
#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_PAUSE_PROCESS_LOG 0x903
#define OBD_FAIL_MGS_PAUSE_REQ 0x904
#define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
#define OBD_FAIL_MGS_CONNECT_NET 0x906
#define OBD_FAIL_MGS_DISCONNECT_NET 0x907
#define OBD_FAIL_MGS_SET_INFO_NET 0x908
#define OBD_FAIL_MGS_EXCEPTION_NET 0x909
#define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
#define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
#define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
#define OBD_FAIL_MGS_LDLM_REPLY_NET 0x90d
#define OBD_FAIL_MGS_WRITE_TARGET_DELAY 0x90e
#define OBD_FAIL_MGC_REG_BEFORE_CONN 0x90f
#define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
#define OBD_FAIL_QUOTA_EDQUOT 0xA02
#define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
#define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
#define OBD_FAIL_QUOTA_INIT 0xA05
#define OBD_FAIL_QUOTA_PREACQ 0xA06
#define OBD_FAIL_QUOTA_RECALC 0xA07
#define OBD_FAIL_QUOTA_GRANT 0xA08
#define OBD_FAIL_QUOTA_NOSYNC 0xA09
#define OBD_FAIL_QUOTA_DROP_VER_UPDATE 0xA11
#define OBD_FAIL_LPROC_REMOVE 0xB00
#define OBD_FAIL_SEQ 0x1000
#define OBD_FAIL_SEQ_QUERY_NET 0x1001
#define OBD_FAIL_SEQ_EXHAUST 0x1002
#define OBD_FAIL_FLD 0x1100
#define OBD_FAIL_FLD_QUERY_NET 0x1101
#define OBD_FAIL_FLD_READ_NET 0x1102
#define OBD_FAIL_FLD_QUERY_REQ 0x1103
#define OBD_FAIL_SEC_CTX 0x1200
#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
/* was OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301 until 2.4 */
#define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
/* was OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303 until 2.11 */
#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
/* was OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307 until 2.1 */
/* was OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308 until 1.8 */
/* was OBD_FAIL_LLOG_CATINFO_NET 0x1309 until 2.3 */
#define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
#define OBD_FAIL_SEQ_ALLOC 0x1311
#define OBD_FAIL_CAT_RECORDS 0x1312
#define OBD_FAIL_CAT_FREE_RECORDS 0x1313
#define OBD_FAIL_TIME_IN_CHLOG_USER 0x1314
#define CFS_FAIL_CHLOG_USER_REG_UNREG_RACE 0x1315
#define OBD_FAIL_FORCE_GC_THREAD 0x1316
#define OBD_FAIL_LLOG_PROCESS_TIMEOUT 0x1317
#define OBD_FAIL_LLOG_PURGE_DELAY 0x1318
#define OBD_FAIL_PLAIN_RECORDS 0x1319
#define OBD_FAIL_CATALOG_FULL_CHECK 0x131a
#define OBD_FAIL_CATLIST 0x131b
#define OBD_FAIL_LLOG_PAUSE_AFTER_PAD 0x131c
#define OBD_FAIL_LLOG_ADD_GAP 0x131d
#define OBD_FAIL_LLOG_BACKUP_ENOSPC 0x131e
#define OBD_FAIL_LLITE 0x1400
#define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
#define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
#define OBD_FAIL_LOV_INIT 0x1403
#define OBD_FAIL_GLIMPSE_DELAY 0x1404
#define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
#define OBD_FAIL_MAKE_LOVEA_HOLE 0x1406
#define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407
#define OBD_FAIL_LLITE_NO_CHECK_DEAD 0x1408
#define OBD_FAIL_GETATTR_DELAY 0x1409
#define OBD_FAIL_LLITE_CREATE_FILE_PAUSE 0x1409
#define OBD_FAIL_LLITE_NEWNODE_PAUSE 0x140a
#define OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE 0x140b
#define OBD_FAIL_LLITE_CREATE_NODE_PAUSE 0x140c
#define OBD_FAIL_LLITE_IMUTEX_SEC 0x140e
#define OBD_FAIL_LLITE_IMUTEX_NOSEC 0x140f
#define OBD_FAIL_LLITE_OPEN_BY_NAME 0x1410
#define OBD_FAIL_LLITE_PCC_FAKE_ERROR 0x1411
#define OBD_FAIL_LLITE_PCC_DETACH_MKWRITE 0x1412
#define OBD_FAIL_LLITE_PCC_MKWRITE_PAUSE 0x1413
#define OBD_FAIL_LLITE_PCC_ATTACH_PAUSE 0x1414
#define OBD_FAIL_LLITE_SHORT_COMMIT 0x1415
#define OBD_FAIL_LLITE_CREATE_FILE_PAUSE2 0x1416
#define OBD_FAIL_LLITE_RACE_MOUNT 0x1417
#define OBD_FAIL_LLITE_PAGE_ALLOC 0x1418
#define OBD_FAIL_LLITE_OPEN_DELAY 0x1419
#define OBD_FAIL_LLITE_XATTR_PAUSE 0x1420
#define OBD_FAIL_LLITE_PAGE_INVALIDATE_PAUSE 0x1421
#define OBD_FAIL_LLITE_READPAGE_PAUSE 0x1422
#define OBD_FAIL_LLITE_PANIC_ON_ESTALE 0x1423
#define OBD_FAIL_LLITE_READPAGE_PAUSE2 0x1424
#define OBD_FAIL_LOV_MIRROR_INIT 0x1425
#define OBD_FAIL_LOV_COMP_MAGIC 0x1426
#define OBD_FAIL_LOV_COMP_PATTERN 0x1427
#define OBD_FAIL_LOV_INVALID_OSTIDX 0x1428
#define OBD_FAIL_LLITE_FORCE_BIO_AS_DIO 0x1429
#define OBD_FAIL_LLITE_DELAY_TRUNCATE 0x1430
#define OBD_FAIL_LLITE_READ_PAUSE 0x1431
#define OBD_FAIL_LLITE_FAULT_PAUSE 0x1432
#define OBD_FAIL_LLITE_STATAHEAD_PAUSE 0x1433
#define OBD_FAIL_LLITE_STAT_RACE1 0x1434
#define OBD_FAIL_LLITE_STAT_RACE2 0x1435
#define OBD_FAIL_LLITE_TRUNC_PAUSE 0x1436
#define OBD_FAIL_LLITE_DIO_COPY_ERR 0x1437
#define OBD_FAIL_LLITE_DIO_BUFFER_ALLOC 0x1438
#define OBD_FAIL_LLITE_DIO_DRAIN_RETRY 0x1439
#define OBD_FAIL_FID_INDIR 0x1501
#define OBD_FAIL_FID_INLMA 0x1502
#define OBD_FAIL_FID_IGIF 0x1504
#define OBD_FAIL_FID_LOOKUP 0x1505
#define OBD_FAIL_FID_NOLMA 0x1506
#define OBD_FAIL_FID_MULTI 0x1507
/* LFSCK */
#define OBD_FAIL_LFSCK_DELAY1 0x1600
#define OBD_FAIL_LFSCK_DELAY2 0x1601
#define OBD_FAIL_LFSCK_DELAY3 0x1602
#define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
#define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
#define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
#define OBD_FAIL_LFSCK_FATAL1 0x1608
#define OBD_FAIL_LFSCK_FATAL2 0x1609
#define OBD_FAIL_LFSCK_CRASH 0x160a
#define OBD_FAIL_LFSCK_NO_AUTO 0x160b
#define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
#define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d
#define OBD_FAIL_LFSCK_DELAY4 0x160e
#define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f
#define OBD_FAIL_LFSCK_DANGLING 0x1610
#define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
#define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
#define OBD_FAIL_LFSCK_BAD_OWNER 0x1613
#define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614
#define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615
#define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
#define OBD_FAIL_LFSCK_NOPFID 0x1617
#define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
#define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
#define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a
#define OBD_FAIL_LFSCK_DELAY5 0x161b
#define OBD_FAIL_LFSCK_BAD_NETWORK 0x161c
#define OBD_FAIL_LFSCK_NO_LINKEA 0x161d
#define OBD_FAIL_LFSCK_BAD_PARENT 0x161e
#define OBD_FAIL_LFSCK_DANGLING2 0x1620
#define OBD_FAIL_LFSCK_DANGLING3 0x1621
#define OBD_FAIL_LFSCK_MUL_REF 0x1622
#define OBD_FAIL_LFSCK_BAD_TYPE 0x1623
#define OBD_FAIL_LFSCK_NO_NAMEENTRY 0x1624
#define OBD_FAIL_LFSCK_LESS_NLINK 0x1626
#define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628
#define OBD_FAIL_LFSCK_LOST_MASTER_LMV 0x1629
#define OBD_FAIL_LFSCK_LOST_SLAVE_LMV 0x162a
#define OBD_FAIL_LFSCK_BAD_SLAVE_LMV 0x162b
#define OBD_FAIL_LFSCK_BAD_SLAVE_NAME 0x162c
#define OBD_FAIL_LFSCK_ENGINE_DELAY 0x162d
#define OBD_FAIL_LFSCK_LOST_MDTOBJ2 0x162e
#define OBD_FAIL_LFSCK_BAD_PFL_RANGE 0x162f
#define OBD_FAIL_LFSCK_NO_AGENTOBJ 0x1630
#define OBD_FAIL_LFSCK_NO_AGENTENT 0x1631
#define OBD_FAIL_LFSCK_NO_ENCFLAG 0x1632
#define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0
#define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
/* UPDATE */
#define OBD_FAIL_OUT_UPDATE_NET 0x1700
#define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701
#define OBD_FAIL_SPLIT_UPDATE_REC 0x1702
#define OBD_FAIL_LARGE_STRIPE 0x1703
#define OBD_FAIL_OUT_ENOSPC 0x1704
#define OBD_FAIL_INVALIDATE_UPDATE 0x1705
#define OBD_FAIL_OUT_UPDATE_DROP 0x1707
#define OBD_FAIL_OUT_OBJECT_MISS 0x1708
#define OBD_FAIL_OUT_EIO 0x1709
#define OBD_FAIL_BUT_UPDATE_NET_REP 0x170a
#define OBD_FAIL_OUT_DROP_DESTROY 0x170b
#define OBD_FAIL_OUT_DROP_PROJID_SET 0x170c
/* MIGRATE */
#define OBD_FAIL_MIGRATE_ENTRIES 0x1801
#define OBD_FAIL_MIGRATE_BAD_HASH 0x1802
/* LMV */
#define OBD_FAIL_LMV_UNKNOWN_STRIPE 0x1901
/* FLR */
#define OBD_FAIL_FLR_LV_DELAY 0x1A01
#define OBD_FAIL_FLR_LV_INC 0x1A02 /* unused since 2.15 */
#define OBD_FAIL_FLR_RANDOM_PICK_MIRROR 0x1A03
/* DT */
#define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
#define OBD_FAIL_DT_ATTR_GET 0x2001
#define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002
#define OBD_FAIL_DT_ATTR_SET 0x2003
#define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004
#define OBD_FAIL_DT_XATTR_GET 0x2005
#define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006
#define OBD_FAIL_DT_XATTR_SET 0x2007
#define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008
#define OBD_FAIL_DT_XATTR_DEL 0x2009
#define OBD_FAIL_DT_XATTR_LIST 0x200a
#define OBD_FAIL_DT_DECLARE_CREATE 0x200b
#define OBD_FAIL_DT_CREATE 0x200c
#define OBD_FAIL_DT_DECLARE_DESTROY 0x200d
#define OBD_FAIL_DT_DESTROY 0x200e
#define OBD_FAIL_DT_INDEX_TRY 0x200f
#define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010
#define OBD_FAIL_DT_REF_ADD 0x2011
#define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012
#define OBD_FAIL_DT_REF_DEL 0x2013
#define OBD_FAIL_DT_DECLARE_INSERT 0x2014
#define OBD_FAIL_DT_INSERT 0x2015
#define OBD_FAIL_DT_DECLARE_DELETE 0x2016
#define OBD_FAIL_DT_DELETE 0x2017
#define OBD_FAIL_DT_LOOKUP 0x2018
#define OBD_FAIL_DT_TXN_STOP 0x2019
#define OBD_FAIL_OSP_CHECK_INVALID_REC 0x2100
#define OBD_FAIL_OSP_CHECK_ENOMEM 0x2101
#define OBD_FAIL_OSP_FAKE_PRECREATE 0x2102
#define OBD_FAIL_OSP_RPCS_SEM 0x2104
#define OBD_FAIL_OSP_CANT_PROCESS_LLOG 0x2105
#define OBD_FAIL_OSP_INVALID_LOGID 0x2106
#define OBD_FAIL_OSP_CON_EVENT_DELAY 0x2107
#define OBD_FAIL_OSP_FAIL_SEQ_ALLOC 0x2109
/* barrier */
#define OBD_FAIL_MGS_BARRIER_READ_NET 0x2200
#define OBD_FAIL_MGS_BARRIER_NOTIFY_NET 0x2201
#define OBD_FAIL_BARRIER_DELAY 0x2202
#define OBD_FAIL_BARRIER_FAILURE 0x2203
#define OBD_FAIL_OSD_FAIL_AT_TRUNCATE 0x2301
#define OBD_FAIL_OSD_MARK_COMPRESSED 0x2302
/* continuation of MDS related constants */
#define OBD_FAIL_MDS_PAUSE_CREATE_AFTER_LOOKUP 0x2401
#define OBD_FAIL_MDS_CONNECT_ACCESS 0x2402
#define OBD_FAIL_MDS_PAUSE_GETATTR 0x2403
/* PLEASE, KEEP NUMBERS UP TO 0x3000 RESERVED FOR OBD_FAIL_MDS_* */
#define LUT_FAIL_CLASS(fail_id) (((fail_id) >> 8) << 16)
#define LUT_FAIL_MGT LUT_FAIL_CLASS(OBD_FAIL_MGS)
#define LUT_FAIL_MDT LUT_FAIL_CLASS(OBD_FAIL_MDS)
#define LUT_FAIL_OST LUT_FAIL_CLASS(OBD_FAIL_OST)
extern atomic64_t libcfs_kmem;
/* OBD_MEMORY_BATCH is the maximum error allowed per CPU core. Since
* obd_memory_sum() is calling percpu_counter_sum_positive(), it adds
* up the per-core local delta anyway, so the per-core batch size is
* can be large. This could be percpu_counter_add_local(), but that
* only exists in kernel 6.0 and later, and just uses a larger batch.
*/
#define OBD_MEMORY_BATCH (16 * 1024 * 1024)
static inline void obd_memory_add(size_t size)
{
percpu_counter_add_batch(&obd_memory, size, OBD_MEMORY_BATCH);
}
static inline void obd_memory_sub(size_t size)
{
percpu_counter_add_batch(&obd_memory, -size, OBD_MEMORY_BATCH);
}
static inline s64 obd_memory_sum(void)
{
return percpu_counter_sum_positive(&obd_memory);
}
extern void obd_update_maxusage(void);
extern __u64 obd_memory_max(void);
#define OBD_DEBUG_MEMUSAGE (1)
#if OBD_DEBUG_MEMUSAGE
/* message format here needs to match regexp in lustre/tests/leak_finder.pl */
#define OBD_ALLOC_POST(ptr, size, name) \
do { \
obd_memory_add(size); \
LIBCFS_MEM_MSG(ptr, size, name); \
} while (0)
/* message format here needs to match regexp in lustre/tests/leak_finder.pl */
#define OBD_FREE_PRE(ptr, size, name) \
do { \
if (likely(ptr)) { \
obd_memory_sub(size); \
LIBCFS_MEM_MSG(ptr, size, name); \
} \
} while (0)
#else /* !OBD_DEBUG_MEMUSAGE */
#define OBD_ALLOC_POST(ptr, size, name) ((void)0)
#define OBD_FREE_PRE(ptr, size, name) ((void)0)
#endif /* !OBD_DEBUG_MEMUSAGE */
#define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
do { \
if (cptab) \
ptr = cfs_cpt_malloc((cptab), (cpt), (size), \
(flags) | __GFP_ZERO | __GFP_NOWARN); \
if (!(cptab) || unlikely(!(ptr))) /* retry without CPT if failure */ \
ptr = kmalloc(size, (flags) | __GFP_ZERO); \
if (likely((ptr) != NULL)) \
OBD_ALLOC_POST((ptr), (size), "kmalloced"); \
} while (0)
#define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
__OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
#define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
#define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
#define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof(*(ptr)))
#define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof(*(ptr)))
#define OBD_ALLOC_PTR_ARRAY(ptr, n) OBD_ALLOC(ptr, (n) * sizeof(*(ptr)))
#define OBD_ALLOC_PTR_ARRAY_WAIT(ptr, n) \
OBD_ALLOC_WAIT(ptr, (n) * sizeof(*(ptr)))
#define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
__OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
#define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
#define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof(*(ptr)))
/* Direct use of __vmalloc() allows for protection flag specification
* (and particularly to not set __GFP_FS, which is likely to cause some
* deadlock situations in our code).
*/
#define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \
do { \
(ptr) = cptab == NULL ? \
__compat_vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO) :\
cfs_cpt_vzalloc(cptab, cpt, size); \
if (unlikely((ptr) == NULL)) { \
CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
(int)(size)); \
CERROR("%llu total bytes allocated by Lustre, %lld by LNET\n",\
obd_memory_sum(), libcfs_kmem_read());\
} else { \
OBD_ALLOC_POST(ptr, size, "vmalloced"); \
} \
} while(0)
#define OBD_VMALLOC(ptr, size) \
__OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
#define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
__OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
#define OBD_ALLOC_LARGE(ptr, size) \
do { \
/* LU-8196 - force large allocations to use vmalloc, not kmalloc */ \
if ((size) > KMALLOC_MAX_SIZE) \
ptr = NULL; \
else \
OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN | \
(((size) > PAGE_SIZE) ? __GFP_NORETRY : 0)); \
if (ptr == NULL) \
OBD_VMALLOC(ptr, size); \
} while (0)
#define OBD_ALLOC_PTR_ARRAY_LARGE(ptr, n) \
OBD_ALLOC_LARGE(ptr, (n) * sizeof(*(ptr)))
#define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
do { \
OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN); \
if (ptr == NULL) \
OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
} while (0)
/* In the future, this belongs in include/linux/poison.h */
#define POISON_PTR(ptr) (ptr) = ((void *) 0x387 + POISON_POINTER_DELTA)
#define OBD_FREE(ptr, size) \
do { \
if (likely(ptr)) { \
OBD_FREE_PRE(ptr, size, "kfreed"); \
kfree(ptr); \
POISON_PTR(ptr); \
} \
} while (0)
#define OBD_FREE_RCU(ptr, size, list) \
do { \
if (likely(ptr)) { \
OBD_FREE_PRE(ptr, size, "kfreed_rcu"); \
kfree_rcu(ptr, list); \
POISON_PTR(ptr); \
} \
} while (0)
#define OBD_FREE_LARGE_ATOMIC(ptr, size) \
do { \
if (is_vmalloc_addr(ptr)) { \
OBD_FREE_PRE(ptr, size, "vfreed"); \
compat_vfree_atomic(ptr); \
POISON_PTR(ptr); \
} else { \
OBD_FREE(ptr, size); \
} \
} while (0)
#define OBD_FREE_LARGE(ptr, size) \
do { \
if (likely(ptr)) { \
OBD_FREE_PRE(ptr, size, "kvfree"); \
kvfree(ptr); \
POISON_PTR(ptr); \
} \
} while (0)
#define OBD_FREE_PTR_ARRAY_LARGE(ptr, n) \
OBD_FREE_LARGE(ptr, (n) * sizeof(*(ptr)))
static inline void *__kmem_cache_zalloc(struct kmem_cache *cachep, gfp_t flags)
{
return kmem_cache_zalloc(cachep, flags);
}
#define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
do { \
LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
(ptr) = (cptab) == NULL ? \
__kmem_cache_zalloc(slab, (type)) : \
cfs_mem_cache_cpt_alloc(slab, cptab, cpt, (type) | __GFP_ZERO); \
if (likely((ptr))) \
OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
} while(0)
#define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
__OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
#define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
__OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
#define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof(*(ptr)))
#define OBD_FREE_PTR_ARRAY(ptr, n) OBD_FREE(ptr, (n) * sizeof(*(ptr)))
#define OBD_SLAB_FREE(ptr, slab, size) \
do { \
if (likely(ptr)) { \
OBD_FREE_PRE(ptr, size, "slab-freed"); \
kmem_cache_free(slab, ptr); \
POISON_PTR(ptr); \
} \
} while(0)
#define OBD_SLAB_ALLOC(ptr, slab, size) \
OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
#define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
#define OBD_SLAB_ALLOC_PTR(ptr, slab) \
OBD_SLAB_ALLOC(ptr, slab, sizeof(*(ptr)))
#define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof(*(ptr)))
#define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof(*(ptr)), flags)
#define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof(*(ptr)), flags)
#define OBD_SLAB_FREE_PTR(ptr, slab) \
OBD_SLAB_FREE((ptr), (slab), sizeof(*(ptr)))
#define KEY_IS(str) \
(keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
#define OBD_STRNDUP(str, orig, len) \
do { \
OBD_ALLOC(str, len + 1); \
if (likely(str)) \
memcpy(str, orig, len + 1); \
} while(0)
#define OBD_FREE_STR(str) \
do { \
if (str) { \
int len = strlen(str) + 1; \
OBD_FREE(str, len); \
} \
} while (0)
#ifdef CONFIG_LUSTRE_FS_SERVER
/* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
static inline int lma_to_lustre_flags(__u32 lma_flags)
{
return (((lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0) |
((lma_flags & LMAI_ENCRYPT) ? LUSTRE_ENCRYPT_FL : 0));
}
static inline int lustre_to_lma_flags(__u32 la_flags)
{
return (((la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0) |
((la_flags & LUSTRE_ENCRYPT_FL) ? LMAI_ENCRYPT : 0));
}
#endif /* CONFIG_LUSTRE_FS_SERVER */
/* Convert wire LUSTRE_*_FL to corresponding client local VFS S_* values
* for the client inode i_flags. The LUSTRE_*_FL are the Lustre wire
* protocol equivalents of LDISKFS_*_FL values stored on disk, while
* the S_* flags are kernel-internal values that change between kernel
* versions. These are set/cleared via FS_IOC_GETFLAGS/FS_IOC_SETFLAGS.
* See b=16526 for a full history.
*/
static inline int ll_ext_to_inode_flags(int ext_flags)
{
return (((ext_flags & LUSTRE_SYNC_FL) ? S_SYNC : 0) |
((ext_flags & LUSTRE_NOATIME_FL) ? S_NOATIME : 0) |
((ext_flags & LUSTRE_APPEND_FL) ? S_APPEND : 0) |
((ext_flags & LUSTRE_DIRSYNC_FL) ? S_DIRSYNC : 0) |
#if defined(S_ENCRYPTED)
((ext_flags & LUSTRE_ENCRYPT_FL) ? S_ENCRYPTED : 0) |
#endif
((ext_flags & LUSTRE_IMMUTABLE_FL) ? S_IMMUTABLE : 0));
}
static inline int ll_inode_to_ext_flags(int inode_flags)
{
return (((inode_flags & S_SYNC) ? LUSTRE_SYNC_FL : 0) |
((inode_flags & S_NOATIME) ? LUSTRE_NOATIME_FL : 0) |
((inode_flags & S_APPEND) ? LUSTRE_APPEND_FL : 0) |
((inode_flags & S_DIRSYNC) ? LUSTRE_DIRSYNC_FL : 0) |
#if defined(S_ENCRYPTED)
((inode_flags & S_ENCRYPTED) ? LUSTRE_ENCRYPT_FL : 0) |
#endif
((inode_flags & S_IMMUTABLE) ? LUSTRE_IMMUTABLE_FL : 0));
}
struct obd_heat_instance {
__u64 ohi_heat;
__u64 ohi_time_second;
__u64 ohi_count;
};
/** additional filesystem attributes for target device */
struct obd_statfs_info {
__u32 os_reserved_mb_low; /* reserved mb low */
__u32 os_reserved_mb_high; /* reserved mb high */
bool os_enable_pre; /* enable pre create logic */
};
/* Define a fixed 4096-byte encryption unit size */
#define LUSTRE_ENCRYPTION_BLOCKBITS 12
#define LUSTRE_ENCRYPTION_UNIT_SIZE ((size_t)1 << LUSTRE_ENCRYPTION_BLOCKBITS)
#define LUSTRE_ENCRYPTION_MASK (~(LUSTRE_ENCRYPTION_UNIT_SIZE - 1))
/* filename encoding */
extern const char *encode_fn_len(const char *fname, size_t namelen);
static inline const char *encode_fn(const char *fname)
{
return encode_fn_len(fname, fname ? strnlen(fname, PATH_MAX) : 0);
}
/* for format DNAME "%.*s" */
#define DNAME "%.*s"
#define encode_fn_dname(len, fname) (int)(len), encode_fn_len(fname, len)
#define encode_fn_luname(ln) \
encode_fn_dname((ln)->ln_namelen, \
lu_name_is_valid(ln) ? (ln)->ln_name : "")
#define encode_fn_opdata(op) encode_fn_dname((op)->op_namelen, (op)->op_name)
#define encode_fn_oied(ent) \
encode_fn_dname((ent)->oied_namelen, (ent)->oied_name)
#define encode_fn_qstr(qs) encode_fn_dname((qs).len, (qs).name)
#define encode_fn_dentry(de) encode_fn_qstr((de)->d_name)
#define encode_fn_file(file) encode_fn_dentry(file_dentry(file))
#endif
