| /* |
| * 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, 2012, 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 <linux/slab.h> |
| #include "../../include/linux/libcfs/libcfs.h" |
| #include "linux/lustre_compat25.h" |
| #include "lprocfs_status.h" |
| |
| /* 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 atomic_t obd_dirty_pages; |
| extern 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_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_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_TGT_DELAY_CONDITIONAL 0x713 |
| |
| #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_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 atomic_t libcfs_kmemory; |
| |
| extern void obd_update_maxusage(void); |
| |
| #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 __u64 obd_memory_max(void); |
| extern __u64 obd_pages_max(void); |
| |
| #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 */ |
| |
| #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC) |
| |
| #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) : \ |
| kmalloc_node(size, flags, cfs_cpt_spread_node(cptab, cpt)); \ |
| if (unlikely((ptr) == NULL)) { \ |
| CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \ |
| (int)(size), __FILE__, __LINE__); \ |
| } else { \ |
| memset(ptr, 0, size); \ |
| 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) : \ |
| kmalloc_node(size, flags | __GFP_ZERO, \ |
| cfs_cpt_spread_node(cptab, cpt)); \ |
| 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_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_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))) |
| |
| # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \ |
| do { \ |
| (ptr) = cptab == NULL ? \ |
| vzalloc(size) : \ |
| vzalloc_node(size, cfs_cpt_spread_node(cptab, cpt)); \ |
| if (unlikely((ptr) == NULL)) { \ |
| CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \ |
| (int)(size)); \ |
| CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \ |
| obd_memory_sum(), atomic_read(&libcfs_kmemory)); \ |
| } else { \ |
| 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) |
| |
| |
| #define OBD_ALLOC_LARGE(ptr, size) \ |
| do { \ |
| ptr = libcfs_kvzalloc(size, GFP_NOFS); \ |
| } while (0) |
| |
| #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \ |
| do { \ |
| ptr = libcfs_kvzalloc_cpt(cptab, cpt, size, GFP_NOFS); \ |
| } while (0) |
| |
| #define OBD_FREE_LARGE(ptr, size) \ |
| do { \ |
| (void)(size); \ |
| kvfree(ptr); \ |
| } while (0) |
| |
| |
| #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 |
| |
| #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) |
| |
| |
| #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) : \ |
| kmem_cache_alloc_node(slab, type | __GFP_ZERO, \ |
| cfs_cpt_spread_node(cptab, cpt)); \ |
| 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_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) |
| |
| /* Wrapper for contiguous page frame allocation */ |
| #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \ |
| do { \ |
| (ptr) = (cptab) == NULL ? \ |
| alloc_page(gfp_mask) : \ |
| alloc_pages_node(cfs_cpt_spread_node(cptab, cpt), gfp_mask, 0);\ |
| if (unlikely((ptr) == NULL)) { \ |
| CERROR("alloc_pages of '" #ptr "' %d page(s) / %llu bytes "\ |
| "failed\n", (int)1, \ |
| (__u64)(1 << PAGE_CACHE_SHIFT)); \ |
| CERROR("%llu total bytes and %llu total pages " \ |
| "(%llu bytes) allocated by Lustre, " \ |
| "%d total bytes by LNET\n", \ |
| obd_memory_sum(), \ |
| obd_pages_sum() << PAGE_CACHE_SHIFT, \ |
| obd_pages_sum(), \ |
| atomic_read(&libcfs_kmemory)); \ |
| } else { \ |
| obd_pages_add(0); \ |
| CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \ |
| "%llu 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) / %llu bytes " \ |
| "at %p.\n", \ |
| (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \ |
| ptr); \ |
| __free_page(ptr); \ |
| (ptr) = (void *)0xdeadbeef; \ |
| } while (0) |
| |
| #endif |