4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
33 #ifndef _LUSTRE_LU_TARGET_H
34 #define _LUSTRE_LU_TARGET_H
36 #include <dt_object.h>
37 #include <lustre_export.h>
38 #include <lustre_update.h>
39 #include <lustre_disk.h>
40 #include <lustre_lfsck.h>
42 /* Each one represents a distribute transaction replay
43 * operation, and updates on each MDTs are linked to
45 struct distribute_txn_replay_req {
46 /* update record, may be vmalloc'd */
47 struct llog_update_record *dtrq_lur;
50 /* linked to the distribute transaction replay
51 * list (tdtd_replay_list) */
52 struct list_head dtrq_list;
53 __u64 dtrq_master_transno;
57 /* all of sub updates are linked here */
58 struct list_head dtrq_sub_list;
59 spinlock_t dtrq_sub_list_lock;
61 /* If the local update has been executed during replay */
62 __u32 dtrq_local_update_executed:1;
65 /* Each one represents a sub replay item under a distribute
66 * transaction. A distribute transaction will be operated in
67 * two or more MDTs, and updates on each MDT will be represented
68 * by this structure */
69 struct distribute_txn_replay_req_sub {
70 __u32 dtrqs_mdt_index;
72 /* All of cookies for the update will be linked here */
73 spinlock_t dtrqs_cookie_list_lock;
74 struct list_head dtrqs_cookie_list;
75 struct list_head dtrqs_list;
78 struct target_distribute_txn_data;
79 typedef int (*distribute_txn_replay_handler_t)(struct lu_env *env,
80 struct target_distribute_txn_data *tdtd,
81 struct distribute_txn_replay_req *dtrq);
82 typedef char *(*target_show_update_logs_retrievers_t)(void *data, int *size,
84 struct target_distribute_txn_data {
85 /* Distribution ID is used to identify updates log on different
86 * MDTs for one operation */
87 spinlock_t tdtd_batchid_lock;
89 struct lu_target *tdtd_lut;
90 struct dt_object *tdtd_batchid_obj;
91 struct dt_device *tdtd_dt;
93 /* Committed batchid for distribute transaction */
94 __u64 tdtd_committed_batchid;
96 /* List for distribute transaction */
97 struct list_head tdtd_list;
99 /* Threads to manage distribute transaction */
100 wait_queue_head_t tdtd_commit_thread_waitq;
101 atomic_t tdtd_refcount;
103 /* recovery update */
104 distribute_txn_replay_handler_t tdtd_replay_handler;
105 struct list_head tdtd_replay_list;
106 struct list_head tdtd_replay_finish_list;
107 spinlock_t tdtd_replay_list_lock;
108 /* last replay update transno */
109 __u32 tdtd_replay_ready:1;
111 /* Manage the llog recovery threads */
112 atomic_t tdtd_recovery_threads_count;
113 wait_queue_head_t tdtd_recovery_threads_waitq;
114 target_show_update_logs_retrievers_t
115 tdtd_show_update_logs_retrievers;
116 void *tdtd_show_retrievers_cbdata;
119 struct tg_grants_data {
120 /* grants: all values in bytes */
121 /* grant lock to protect all grant counters */
122 spinlock_t tgd_grant_lock;
123 /* total amount of dirty data reported by clients in incoming obdo */
125 /* sum of filesystem space granted to clients for async writes */
127 /* grant used by I/Os in progress (between prepare and commit) */
129 /* number of clients using grants */
130 int tgd_tot_granted_clients;
131 /* shall we grant space to clients not
132 * supporting OBD_CONNECT_GRANT_PARAM? */
133 int tgd_grant_compat_disable;
134 /* protect all statfs-related counters */
135 spinlock_t tgd_osfs_lock;
138 /* counters used during statfs update, protected by ofd_osfs_lock.
139 * record when some statfs refresh are in progress */
140 int tgd_statfs_inflight;
141 /* writes between prep & commit which might be accounted twice in
142 * ofd_osfs.os_bavail */
143 u64 tgd_osfs_unstable;
144 /* track writes completed while statfs refresh is underway.
145 * tracking is only effective when ofd_statfs_inflight > 1 */
146 u64 tgd_osfs_inflight;
147 /* statfs optimization: we cache a bit */
148 struct obd_statfs tgd_osfs;
152 struct obd_device *lut_obd;
153 struct dt_device *lut_bottom;
154 struct dt_device_param lut_dt_conf;
156 struct target_distribute_txn_data *lut_tdtd;
157 struct ptlrpc_thread lut_tdtd_commit_thread;
159 /* supported opcodes and handlers for this target */
160 struct tgt_opc_slice *lut_slice;
161 __u32 lut_reply_fail_id;
162 __u32 lut_request_fail_id;
165 rwlock_t lut_sptlrpc_lock;
166 struct sptlrpc_rule_set lut_sptlrpc_rset;
167 spinlock_t lut_flags_lock;
168 unsigned int lut_syncjournal:1,
169 lut_sync_lock_cancel:2,
171 lut_no_reconstruct:1;
172 /** last_rcvd file */
173 struct dt_object *lut_last_rcvd;
174 /* transaction callbacks */
175 struct dt_txn_callback lut_txn_cb;
176 /** server data in last_rcvd file */
177 struct lr_server_data lut_lsd;
178 /** Server last transaction number */
179 __u64 lut_last_transno;
180 /** Lock protecting last transaction number */
181 spinlock_t lut_translock;
182 /** Lock protecting client bitmap */
183 spinlock_t lut_client_bitmap_lock;
184 /** Bitmap of known clients */
185 unsigned long *lut_client_bitmap;
186 /* Number of clients supporting multiple modify RPCs
187 * recorded in the bitmap */
188 atomic_t lut_num_clients;
189 /* Client generation to identify client slot reuse */
190 atomic_t lut_client_generation;
191 /** reply_data file */
192 struct dt_object *lut_reply_data;
193 /** Bitmap of used slots in the reply data file */
194 unsigned long **lut_reply_bitmap;
195 /** target sync count, used for debug & test */
196 atomic_t lut_sync_count;
198 /** cross MDT locks which should trigger Sync-on-Lock-Cancel */
199 spinlock_t lut_slc_locks_guard;
200 struct list_head lut_slc_locks;
202 /* target grants fields */
203 struct tg_grants_data lut_tgd;
206 /* number of slots in reply bitmap */
207 #define LUT_REPLY_SLOTS_PER_CHUNK (1<<20)
208 #define LUT_REPLY_SLOTS_MAX_CHUNKS 16
213 struct tg_reply_data {
214 /** chain of reply data anchored in tg_export_data */
215 struct list_head trd_list;
216 /** copy of on-disk reply data */
217 struct lsd_reply_data trd_reply;
218 /** versions for Version Based Recovery */
219 __u64 trd_pre_versions[4];
220 /** slot index in reply_data file */
222 /** tag the client used */
226 extern struct lu_context_key tgt_session_key;
228 struct tgt_session_info {
230 * The following members will be filled explicitly
231 * with specific data in tgt_ses_init().
233 struct req_capsule *tsi_pill;
236 * Lock request for "habeo clavis" operations.
238 struct ldlm_request *tsi_dlm_req;
240 /* although we have export in req, there are cases when it is not
241 * available, e.g. closing files upon export destroy */
242 struct obd_export *tsi_exp;
243 const struct lu_env *tsi_env;
244 struct lu_target *tsi_tgt;
246 const struct mdt_body *tsi_mdt_body;
247 struct ost_body *tsi_ost_body;
248 struct lu_object *tsi_corpus;
250 struct lu_fid tsi_fid;
251 struct ldlm_res_id tsi_resid;
253 /* object affected by VBR, for last_rcvd_update */
254 struct dt_object *tsi_vbr_obj;
255 /* opdata for mdt_reint_open(), has the same value as
256 * ldlm_reply:lock_policy_res1. The tgt_update_last_rcvd() stores
257 * this value onto disk for recovery when tgt_txn_stop_cb() is called.
262 * Additional fail id that can be set by handler.
264 int tsi_reply_fail_id;
265 bool tsi_preprocessed;
272 __u32 tsi_client_gen;
275 static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
277 struct tgt_session_info *tsi;
279 LASSERT(env->le_ses != NULL);
280 tsi = lu_context_key_get(env->le_ses, &tgt_session_key);
285 static inline void tgt_vbr_obj_set(const struct lu_env *env,
286 struct dt_object *obj)
288 struct tgt_session_info *tsi;
290 if (env->le_ses != NULL) {
291 tsi = tgt_ses_info(env);
292 tsi->tsi_vbr_obj = obj;
296 static inline void tgt_opdata_set(const struct lu_env *env, __u64 flags)
298 struct tgt_session_info *tsi;
300 if (env->le_ses != NULL) {
301 tsi = tgt_ses_info(env);
302 tsi->tsi_opdata |= flags;
306 static inline void tgt_opdata_clear(const struct lu_env *env, __u64 flags)
308 struct tgt_session_info *tsi;
310 if (env->le_ses != NULL) {
311 tsi = tgt_ses_info(env);
312 tsi->tsi_opdata &= ~flags;
317 * Generic unified target support.
319 enum tgt_handler_flags {
321 * struct *_body is passed in the incoming message, and object
322 * identified by this fid exists on disk.
324 * "habeo corpus" == "I have a body"
326 HABEO_CORPUS = (1 << 0),
328 * struct ldlm_request is passed in the incoming message.
330 * "habeo clavis" == "I have a key"
332 HABEO_CLAVIS = (1 << 1),
334 * this request has fixed reply format, so that reply message can be
335 * packed by generic code.
337 * "habeo refero" == "I have a reply"
339 HABEO_REFERO = (1 << 2),
341 * this request will modify something, so check whether the file system
342 * is readonly or not, then return -EROFS to client asap if necessary.
344 * "mutabor" == "I shall modify"
350 /* The name of this handler. */
352 /* Fail id, check at the beginning */
356 /* Flags in enum tgt_handler_flags */
358 /* Request version for this opcode */
360 /* Handler function */
361 int (*th_act)(struct tgt_session_info *tsi);
362 /* Handler function for high priority requests */
363 void (*th_hp)(struct tgt_session_info *tsi);
364 /* Request format for this request */
365 const struct req_format *th_fmt;
368 struct tgt_opc_slice {
369 __u32 tos_opc_start; /* First op code */
370 __u32 tos_opc_end; /* Last op code */
371 struct tgt_handler *tos_hs; /* Registered handler */
374 static inline struct ptlrpc_request *tgt_ses_req(struct tgt_session_info *tsi)
376 return tsi->tsi_pill ? tsi->tsi_pill->rc_req : NULL;
379 static inline __u64 tgt_conn_flags(struct tgt_session_info *tsi)
381 LASSERT(tsi->tsi_exp);
382 return exp_connect_flags(tsi->tsi_exp);
385 static inline int req_is_replay(struct ptlrpc_request *req)
387 LASSERT(req->rq_reqmsg);
388 return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY);
391 static inline bool tgt_is_multimodrpcs_client(struct obd_export *exp)
393 return exp_connect_flags(exp) & OBD_CONNECT_MULTIMODRPCS;
397 /* target/tgt_handler.c */
398 int tgt_request_handle(struct ptlrpc_request *req);
399 char *tgt_name(struct lu_target *tgt);
400 void tgt_counter_incr(struct obd_export *exp, int opcode);
401 int tgt_connect_check_sptlrpc(struct ptlrpc_request *req,
402 struct obd_export *exp);
403 int tgt_adapt_sptlrpc_conf(struct lu_target *tgt);
404 int tgt_connect(struct tgt_session_info *tsi);
405 int tgt_disconnect(struct tgt_session_info *uti);
406 int tgt_obd_ping(struct tgt_session_info *tsi);
407 int tgt_enqueue(struct tgt_session_info *tsi);
408 int tgt_convert(struct tgt_session_info *tsi);
409 int tgt_bl_callback(struct tgt_session_info *tsi);
410 int tgt_cp_callback(struct tgt_session_info *tsi);
411 int tgt_llog_open(struct tgt_session_info *tsi);
412 int tgt_llog_close(struct tgt_session_info *tsi);
413 int tgt_llog_destroy(struct tgt_session_info *tsi);
414 int tgt_llog_read_header(struct tgt_session_info *tsi);
415 int tgt_llog_next_block(struct tgt_session_info *tsi);
416 int tgt_llog_prev_block(struct tgt_session_info *tsi);
417 int tgt_sec_ctx_init(struct tgt_session_info *tsi);
418 int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi);
419 int tgt_sec_ctx_fini(struct tgt_session_info *tsi);
420 int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
421 int tgt_send_buffer(struct tgt_session_info *tsi, struct lu_rdbuf *rdbuf);
422 int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa);
423 int tgt_sync(const struct lu_env *env, struct lu_target *tgt,
424 struct dt_object *obj, __u64 start, __u64 end);
426 int tgt_io_thread_init(struct ptlrpc_thread *thread);
427 void tgt_io_thread_done(struct ptlrpc_thread *thread);
429 int tgt_extent_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
430 __u64 start, __u64 end, struct lustre_handle *lh,
431 int mode, __u64 *flags);
432 void tgt_extent_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
433 int tgt_brw_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
434 struct obd_ioobj *obj, struct niobuf_remote *nb,
435 struct lustre_handle *lh, enum ldlm_mode mode);
436 void tgt_brw_unlock(struct obd_ioobj *obj, struct niobuf_remote *niob,
437 struct lustre_handle *lh, enum ldlm_mode mode);
438 int tgt_brw_read(struct tgt_session_info *tsi);
439 int tgt_brw_write(struct tgt_session_info *tsi);
440 int tgt_hpreq_handler(struct ptlrpc_request *req);
441 void tgt_register_lfsck_in_notify_local(int (*notify)(const struct lu_env *,
443 struct lfsck_req_local *,
445 void tgt_register_lfsck_in_notify(int (*notify)(const struct lu_env *,
447 struct lfsck_request *));
448 void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
450 struct lfsck_request *,
451 struct lfsck_reply *,
452 struct lfsck_query *));
453 bool req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
455 extern struct tgt_handler tgt_sec_ctx_handlers[];
456 extern struct tgt_handler tgt_lfsck_handlers[];
457 extern struct tgt_handler tgt_obd_handlers[];
458 extern struct tgt_handler tgt_dlm_handlers[];
459 extern struct tgt_handler tgt_llog_handlers[];
460 extern struct tgt_handler tgt_out_handlers[];
461 extern struct tgt_handler fld_handlers[];
462 extern struct tgt_handler seq_handlers[];
464 typedef void (*tgt_cb_t)(struct lu_target *lut, __u64 transno,
465 void *data, int err);
466 struct tgt_commit_cb {
467 tgt_cb_t tgt_cb_func;
471 int tgt_hpreq_handler(struct ptlrpc_request *req);
473 /* target/tgt_main.c */
474 void tgt_boot_epoch_update(struct lu_target *lut);
475 void tgt_save_slc_lock(struct lu_target *lut, struct ldlm_lock *lock,
477 void tgt_discard_slc_lock(struct lu_target *lut, struct ldlm_lock *lock);
478 int tgt_init(const struct lu_env *env, struct lu_target *lut,
479 struct obd_device *obd, struct dt_device *dt,
480 struct tgt_opc_slice *slice,
481 int request_fail_id, int reply_fail_id);
482 void tgt_fini(const struct lu_env *env, struct lu_target *lut);
483 int tgt_client_alloc(struct obd_export *exp);
484 void tgt_client_free(struct obd_export *exp);
485 int tgt_client_del(const struct lu_env *env, struct obd_export *exp);
486 int tgt_client_add(const struct lu_env *env, struct obd_export *exp, int);
487 int tgt_client_new(const struct lu_env *env, struct obd_export *exp);
488 int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg,
490 int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt);
491 bool tgt_lookup_reply(struct ptlrpc_request *req, struct tg_reply_data *trd);
492 int tgt_add_reply_data(const struct lu_env *env, struct lu_target *tgt,
493 struct tg_export_data *ted, struct tg_reply_data *trd,
494 struct thandle *th, bool update_lrd_file);
495 struct tg_reply_data *tgt_lookup_reply_by_xid(struct tg_export_data *ted,
498 /* target/tgt_grant.c */
499 static inline int exp_grant_param_supp(struct obd_export *exp)
501 return !!(exp_connect_flags(exp) & OBD_CONNECT_GRANT_PARAM);
504 /* Blocksize used for client not supporting OBD_CONNECT_GRANT_PARAM.
505 * That's 4KB=2^12 which is the biggest block size known to work whatever
506 * the client's page size is. */
507 #define COMPAT_BSIZE_SHIFT 12
509 void tgt_grant_sanity_check(struct obd_device *obd, const char *func);
510 void tgt_grant_connect(const struct lu_env *env, struct obd_export *exp,
511 struct obd_connect_data *data, bool new_conn);
512 void tgt_grant_discard(struct obd_export *exp);
513 void tgt_grant_prepare_read(const struct lu_env *env, struct obd_export *exp,
515 void tgt_grant_prepare_write(const struct lu_env *env, struct obd_export *exp,
516 struct obdo *oa, struct niobuf_remote *rnb,
518 void tgt_grant_commit(struct obd_export *exp, unsigned long grant_used, int rc);
519 int tgt_grant_commit_cb_add(struct thandle *th, struct obd_export *exp,
520 unsigned long grant);
521 long tgt_grant_create(const struct lu_env *env, struct obd_export *exp,
523 int tgt_statfs_internal(const struct lu_env *env, struct lu_target *lut,
524 struct obd_statfs *osfs, __u64 max_age,
527 /* target/update_trans.c */
528 int distribute_txn_init(const struct lu_env *env,
529 struct lu_target *lut,
530 struct target_distribute_txn_data *tdtd,
532 void distribute_txn_fini(const struct lu_env *env,
533 struct target_distribute_txn_data *tdtd);
535 /* target/update_recovery.c */
536 int insert_update_records_to_replay_list(struct target_distribute_txn_data *,
537 struct llog_update_record *,
538 struct llog_cookie *, __u32);
539 void dtrq_list_dump(struct target_distribute_txn_data *tdtd,
541 void dtrq_list_destroy(struct target_distribute_txn_data *tdtd);
542 int distribute_txn_replay_handle(struct lu_env *env,
543 struct target_distribute_txn_data *tdtd,
544 struct distribute_txn_replay_req *dtrq);
545 __u64 distribute_txn_get_next_transno(struct target_distribute_txn_data *tdtd);
546 struct distribute_txn_replay_req *
547 distribute_txn_get_next_req(struct target_distribute_txn_data *tdtd);
548 void dtrq_destroy(struct distribute_txn_replay_req *dtrq);
549 struct distribute_txn_replay_req_sub *
550 dtrq_sub_lookup(struct distribute_txn_replay_req *dtrq, __u32 mdt_index);
551 struct distribute_txn_replay_req *
552 distribute_txn_lookup_finish_list(struct target_distribute_txn_data *tdtd,
554 bool is_req_replayed_by_update(struct ptlrpc_request *req);
559 static inline int err_serious(int rc)
562 return -(-rc | ESERIOUS);
565 static inline int clear_serious(int rc)
568 rc = -(-rc & ~ESERIOUS);
572 static inline int is_serious(int rc)
574 return (rc < 0 && -rc & ESERIOUS);
578 * Unified target generic handers macros and generic functions.
580 #define TGT_RPC_HANDLER_HP(base, flags, opc, fn, hp, fmt, version) \
583 .th_fail_id = OBD_FAIL_ ## opc ## _NET, \
588 .th_version = version, \
591 #define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
592 TGT_RPC_HANDLER_HP(base, flags, opc, fn, NULL, fmt, version)
594 /* MDT Request with a format known in advance */
595 #define TGT_MDT_HDL(flags, name, fn) \
596 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
598 /* Request with a format we do not yet know */
599 #define TGT_MDT_HDL_VAR(flags, name, fn) \
600 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL, \
603 /* OST Request with a format known in advance */
604 #define TGT_OST_HDL(flags, name, fn) \
605 TGT_RPC_HANDLER(OST_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
607 #define TGT_OST_HDL_HP(flags, name, fn, hp) \
608 TGT_RPC_HANDLER_HP(OST_FIRST_OPC, flags, name, fn, hp, \
609 &RQF_ ## name, LUSTRE_OST_VERSION)
611 /* MGS request with a format known in advance */
612 #define TGT_MGS_HDL(flags, name, fn) \
613 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
615 #define TGT_MGS_HDL_VAR(flags, name, fn) \
616 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
620 * OBD handler macros and generic functions.
622 #define TGT_OBD_HDL(flags, name, fn) \
623 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
625 #define TGT_OBD_HDL_VAR(flags, name, fn) \
626 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, NULL, \
630 * DLM handler macros and generic functions.
632 #define TGT_DLM_HDL_VAR(flags, name, fn) \
633 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
635 #define TGT_DLM_HDL(flags, name, fn) \
636 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
640 * LLOG handler macros and generic functions.
642 #define TGT_LLOG_HDL_VAR(flags, name, fn) \
643 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
645 #define TGT_LLOG_HDL(flags, name, fn) \
646 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
650 * Sec context handler macros and generic functions.
652 #define TGT_SEC_HDL_VAR(flags, name, fn) \
653 TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
656 #define TGT_QUOTA_HDL(flags, name, fn) \
657 TGT_RPC_HANDLER(QUOTA_DQACQ, flags, name, fn, &RQF_ ## name, \
660 /* Sequence service handlers */
661 #define TGT_SEQ_HDL(flags, name, fn) \
662 TGT_RPC_HANDLER(SEQ_QUERY, flags, name, fn, &RQF_ ## name, \
665 /* FID Location Database handlers */
666 #define TGT_FLD_HDL_VAR(flags, name, fn) \
667 TGT_RPC_HANDLER(FLD_QUERY, flags, name, fn, NULL, \
671 #define TGT_LFSCK_HDL(flags, name, fn) \
672 TGT_RPC_HANDLER(LFSCK_FIRST_OPC, flags, name, fn, \
673 &RQF_ ## name, LUSTRE_OBD_VERSION)
675 /* Request with a format known in advance */
676 #define TGT_UPDATE_HDL(flags, name, fn) \
677 TGT_RPC_HANDLER(OUT_UPDATE, flags, name, fn, &RQF_ ## name, \
680 #endif /* __LUSTRE_LU_TARGET_H */