/* * 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, 2013, Intel Corporation. */ /* * 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 #include #include #if defined(__linux__) #include #elif defined(__APPLE__) #include #elif defined(__WINNT__) #include #else #error Unsupported operating system. #endif /* global variables */ extern struct lprocfs_stats *obd_memory; enum { OBD_MEMORY_STAT = 0, OBD_MEMORY_PAGES_STAT = 1, OBD_STATS_NUM, }; 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 */ extern unsigned int ldlm_timeout; /* seconds */ extern unsigned int obd_timeout_set; extern unsigned int ldlm_timeout_set; 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 cfs_atomic_t obd_unstable_pages; extern cfs_atomic_t obd_dirty_pages; extern cfs_atomic_t obd_dirty_transit_pages; extern unsigned int obd_alloc_fail_rate; extern char obd_jobid_var[]; /* 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_BKT_BITS 3 #define HASH_POOLS_CUR_BITS 3 #define HASH_POOLS_MAX_BITS 7 #define HASH_UUID_BKT_BITS 5 #define HASH_UUID_CUR_BITS 7 #define HASH_UUID_MAX_BITS 12 #define HASH_NID_BKT_BITS 5 #define HASH_NID_CUR_BITS 7 #define HASH_NID_MAX_BITS 12 #define HASH_NID_STATS_BKT_BITS 5 #define HASH_NID_STATS_CUR_BITS 7 #define HASH_NID_STATS_MAX_BITS 12 #define HASH_LQE_BKT_BITS 5 #define HASH_LQE_CUR_BITS 7 #define HASH_LQE_MAX_BITS 12 #define HASH_CONN_BKT_BITS 5 #define HASH_CONN_CUR_BITS 5 #define HASH_CONN_MAX_BITS 15 #define HASH_EXP_LOCK_BKT_BITS 5 #define HASH_EXP_LOCK_CUR_BITS 7 #define HASH_EXP_LOCK_MAX_BITS 16 #define HASH_CL_ENV_BKT_BITS 5 #define HASH_CL_ENV_BITS 10 #define HASH_JOB_STATS_BKT_BITS 5 #define HASH_JOB_STATS_CUR_BITS 7 #define HASH_JOB_STATS_MAX_BITS 12 /* 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 max(obd_timeout / 4, 1U) /* 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) #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 #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_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 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 #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 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d #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 /* 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 /* 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 /* 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_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_OST_ENOENT 0x217 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218 #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_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 /* 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 #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_OSC_CP_ENQ_RACE 0x410 #define OBD_FAIL_OSC_NO_GRANT 0x411 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412 #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_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_OBD_IDX_READ_NET 0x607 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608 #define OBD_FAIL_OBD_NO_LRU 0x609 #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 #define OBD_FAIL_TGT_CLIENT_ADD 0x711 #define OBD_FAIL_TGT_RCVG_FLAG 0x712 #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 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805 #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_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_LPROC_REMOVE 0xB00 #define OBD_FAIL_GENERAL_ALLOC 0xC00 #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_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 #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 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310 #define OBD_FAIL_SEQ_ALLOC 0x1311 #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_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 /* 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 /* UPDATE */ #define OBD_FAIL_UPDATE_OBJ_NET 0x1700 #define OBD_FAIL_UPDATE_OBJ_NET_REP 0x1701 /* Assign references to moved code to reduce code changes */ #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id) #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id) #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value) #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value) #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value) #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret) #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs) #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms) #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs) #define OBD_RACE(id) CFS_RACE(id) #define OBD_FAIL_ONCE CFS_FAIL_ONCE #define OBD_FAILED CFS_FAILED extern cfs_atomic_t libcfs_kmemory; #ifdef LPROCFS #define obd_memory_add(size) \ lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size)) #define obd_memory_sub(size) \ lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size)) #define obd_memory_sum() \ lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \ LPROCFS_FIELDS_FLAGS_SUM) #define obd_pages_add(order) \ lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \ (long)(1 << (order))) #define obd_pages_sub(order) \ lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \ (long)(1 << (order))) #define obd_pages_sum() \ lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \ LPROCFS_FIELDS_FLAGS_SUM) extern void obd_update_maxusage(void); extern __u64 obd_memory_max(void); extern __u64 obd_pages_max(void); #else extern __u64 obd_alloc; extern __u64 obd_pages; extern __u64 obd_max_alloc; extern __u64 obd_max_pages; static inline void obd_memory_add(long size) { obd_alloc += size; if (obd_alloc > obd_max_alloc) obd_max_alloc = obd_alloc; } static inline void obd_memory_sub(long size) { obd_alloc -= size; } static inline void obd_pages_add(int order) { obd_pages += 1<< order; if (obd_pages > obd_max_pages) obd_max_pages = obd_pages; } static inline void obd_pages_sub(int order) { obd_pages -= 1<< order; } #define obd_memory_sum() (obd_alloc) #define obd_pages_sum() (obd_pages) #define obd_memory_max() (obd_max_alloc) #define obd_pages_max() (obd_max_pages) #endif #define OBD_DEBUG_MEMUSAGE (1) #if OBD_DEBUG_MEMUSAGE #define OBD_ALLOC_POST(ptr, size, name) \ obd_memory_add(size); \ CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \ (int)(size), ptr) #define OBD_FREE_PRE(ptr, size, name) \ LASSERT(ptr); \ obd_memory_sub(size); \ CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \ (int)(size), ptr); \ POISON(ptr, 0x5a, size) #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 */ #ifdef RANDOM_FAIL_ALLOC #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC) #else #define HAS_FAIL_ALLOC_FLAG 0 #endif #define OBD_ALLOC_FAIL_BITS 24 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1) #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100) #if defined(LUSTRE_UTILS) /* this version is for utils only */ #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \ do { \ (ptr) = (cptab) == NULL ? \ kmalloc(size, flags | __GFP_ZERO) : \ cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO); \ if (unlikely((ptr) == NULL)) { \ CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \ (int)(size), __FILE__, __LINE__); \ } else { \ CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \ (int)(size), ptr); \ } \ } while (0) #else /* this version is for the kernel and liblustre */ #define OBD_FREE_RTN0(ptr) \ ({ \ kfree(ptr); \ (ptr) = NULL; \ 0; \ }) #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \ do { \ (ptr) = (cptab) == NULL ? \ kmalloc(size, flags | __GFP_ZERO) : \ cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO); \ if (likely((ptr) != NULL && \ (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \ !obd_alloc_fail(ptr, #ptr, "km", size, \ __FILE__, __LINE__) || \ OBD_FREE_RTN0(ptr)))){ \ OBD_ALLOC_POST(ptr, size, "kmalloced"); \ } \ } while (0) #endif #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_IO) #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_IOFS) #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr)) #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, 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_IO) #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \ OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr)) # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \ do { \ (ptr) = cptab == NULL ? \ vmalloc(size) : \ cfs_cpt_vmalloc(cptab, cpt, size); \ if (unlikely((ptr) == NULL)) { \ CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \ (int)(size)); \ CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \ obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory)); \ } else { \ memset(ptr, 0, size); \ OBD_ALLOC_POST(ptr, size, "vmalloced"); \ } \ } while(0) # define OBD_VMALLOC(ptr, size) \ __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size) # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \ __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) #ifdef __KERNEL__ /* Allocations above this size are considered too big and could not be done * atomically. * * Be very careful when changing this value, especially when decreasing it, * since vmalloc in Linux doesn't perform well on multi-cores system, calling * vmalloc in critical path would hurt peformance badly. See LU-66. */ #define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE) #define OBD_ALLOC_LARGE(ptr, size) \ do { \ if (size > OBD_ALLOC_BIG) \ OBD_VMALLOC(ptr, size); \ else \ OBD_ALLOC(ptr, size); \ } while (0) #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \ do { \ if (size > OBD_ALLOC_BIG) \ OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \ else \ OBD_CPT_ALLOC(ptr, cptab, cpt, size); \ } while (0) #define OBD_FREE_LARGE(ptr, size) \ do { \ if (size > OBD_ALLOC_BIG) \ OBD_VFREE(ptr, size); \ else \ OBD_FREE(ptr, size); \ } while (0) #else /* !__KERNEL__ */ #define OBD_ALLOC_LARGE(ptr, size) \ OBD_ALLOC(ptr, size) #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \ OBD_ALLOC(ptr, size) #define OBD_FREE_LARGE(ptr, size) \ OBD_FREE(ptr, size) #endif /* __KERNEL__ */ #ifdef CONFIG_DEBUG_SLAB #define POISON(ptr, c, s) do {} while (0) #define POISON_PTR(ptr) ((void)0) #else #define POISON(ptr, c, s) memset(ptr, c, s) #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef #endif #ifdef POISON_BULK #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \ kunmap(page); } while (0) #else #define POISON_PAGE(page, val) do { } while (0) #endif #ifdef __KERNEL__ #define OBD_FREE(ptr, size) \ do { \ OBD_FREE_PRE(ptr, size, "kfreed"); \ kfree(ptr); \ POISON_PTR(ptr); \ } while(0) #define OBD_FREE_RCU(ptr, size, handle) \ do { \ struct portals_handle *__h = (handle); \ \ LASSERT(handle != NULL); \ __h->h_cookie = (unsigned long)(ptr); \ __h->h_size = (size); \ call_rcu(&__h->h_rcu, class_handle_free_cb); \ POISON_PTR(ptr); \ } while(0) #else #define OBD_FREE(ptr, size) ((void)(size), free((ptr))) #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size)) #endif /* ifdef __KERNEL__ */ #define OBD_VFREE(ptr, size) \ do { \ OBD_FREE_PRE(ptr, size, "vfreed"); \ vfree(ptr); \ POISON_PTR(ptr); \ } while (0) /* we memset() the slab object to 0 when allocation succeeds, so DO NOT * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */ #define OBD_SLAB_FREE_RTN0(ptr, slab) \ ({ \ kmem_cache_free((slab), (ptr)); \ (ptr) = NULL; \ 0; \ }) #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \ do { \ LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \ (ptr) = (cptab) == NULL ? \ kmem_cache_alloc(slab, type | __GFP_ZERO) : \ cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type | __GFP_ZERO); \ if (likely((ptr) != NULL && \ (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \ !obd_alloc_fail(ptr, #ptr, "slab-", size, \ __FILE__, __LINE__) || \ OBD_SLAB_FREE_RTN0(ptr, slab)))) { \ 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_SLAB_FREE(ptr, slab, size) \ do { \ 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_IO) #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \ OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, __GFP_IO) #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) /* Wrapper for contiguous page frame allocation */ #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \ do { \ (ptr) = (cptab) == NULL ? \ alloc_page(gfp_mask) : \ cfs_page_cpt_alloc(cptab, cpt, gfp_mask); \ if (unlikely((ptr) == NULL)) { \ CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\ "failed\n", (int)1, \ (__u64)(1 << PAGE_CACHE_SHIFT)); \ CERROR(LPU64" total bytes and "LPU64" total pages " \ "("LPU64" bytes) allocated by Lustre, " \ "%d total bytes by LNET\n", \ obd_memory_sum(), \ obd_pages_sum() << PAGE_CACHE_SHIFT, \ obd_pages_sum(), \ cfs_atomic_read(&libcfs_kmemory)); \ } else { \ obd_pages_add(0); \ CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \ LPU64" bytes at %p.\n", \ (int)1, \ (__u64)(1 << PAGE_CACHE_SHIFT), ptr); \ } \ } while (0) #define OBD_PAGE_ALLOC(ptr, gfp_mask) \ __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask) #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \ __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) #define OBD_PAGE_FREE(ptr) \ do { \ LASSERT(ptr); \ obd_pages_sub(0); \ CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \ "at %p.\n", \ (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \ ptr); \ __free_page(ptr); \ (ptr) = (void *)0xdeadbeef; \ } while (0) #endif