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, 2017, 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 /* amount of available space in percentage that is never used for
130 * grants, used on MDT to always keep space for metadata. */
131 u64 tgd_reserved_pcnt;
132 /* number of clients using grants */
133 int tgd_tot_granted_clients;
134 /* shall we grant space to clients not
135 * supporting OBD_CONNECT_GRANT_PARAM? */
136 int tgd_grant_compat_disable;
137 /* protect all statfs-related counters */
138 spinlock_t tgd_osfs_lock;
139 time64_t tgd_osfs_age;
141 /* counters used during statfs update, protected by ofd_osfs_lock.
142 * record when some statfs refresh are in progress */
143 int tgd_statfs_inflight;
144 /* writes between prep & commit which might be accounted twice in
145 * ofd_osfs.os_bavail */
146 u64 tgd_osfs_unstable;
147 /* track writes completed while statfs refresh is underway.
148 * tracking is only effective when ofd_statfs_inflight > 1 */
149 u64 tgd_osfs_inflight;
150 /* statfs optimization: we cache a bit */
151 struct obd_statfs tgd_osfs;
155 struct obd_device *lut_obd;
156 struct dt_device *lut_bottom;
157 struct dt_device_param lut_dt_conf;
159 struct target_distribute_txn_data *lut_tdtd;
160 struct ptlrpc_thread lut_tdtd_commit_thread;
162 /* supported opcodes and handlers for this target */
163 struct tgt_opc_slice *lut_slice;
164 __u32 lut_reply_fail_id;
165 __u32 lut_request_fail_id;
168 rwlock_t lut_sptlrpc_lock;
169 struct sptlrpc_rule_set lut_sptlrpc_rset;
170 spinlock_t lut_flags_lock;
171 unsigned int lut_syncjournal:1,
172 lut_sync_lock_cancel:2,
174 lut_no_reconstruct:1;
175 /** last_rcvd file */
176 struct dt_object *lut_last_rcvd;
177 /* transaction callbacks */
178 struct dt_txn_callback lut_txn_cb;
179 /** server data in last_rcvd file */
180 struct lr_server_data lut_lsd;
181 /** Server last transaction number */
182 __u64 lut_last_transno;
183 /** Lock protecting last transaction number */
184 spinlock_t lut_translock;
185 /** Lock protecting client bitmap */
186 spinlock_t lut_client_bitmap_lock;
187 /** Bitmap of known clients */
188 unsigned long *lut_client_bitmap;
189 /* Number of clients supporting multiple modify RPCs
190 * recorded in the bitmap */
191 atomic_t lut_num_clients;
192 /* Client generation to identify client slot reuse */
193 atomic_t lut_client_generation;
194 /** reply_data file */
195 struct dt_object *lut_reply_data;
196 /** Bitmap of used slots in the reply data file */
197 unsigned long **lut_reply_bitmap;
198 /** target sync count, used for debug & test */
199 atomic_t lut_sync_count;
201 /** cross MDT locks which should trigger Sync-on-Lock-Cancel */
202 spinlock_t lut_slc_locks_guard;
203 struct list_head lut_slc_locks;
205 /* target grants fields */
206 struct tg_grants_data lut_tgd;
209 /* number of slots in reply bitmap */
210 #define LUT_REPLY_SLOTS_PER_CHUNK (1<<20)
211 #define LUT_REPLY_SLOTS_MAX_CHUNKS 16
216 struct tg_reply_data {
217 /** chain of reply data anchored in tg_export_data */
218 struct list_head trd_list;
219 /** copy of on-disk reply data */
220 struct lsd_reply_data trd_reply;
221 /** versions for Version Based Recovery */
222 __u64 trd_pre_versions[4];
223 /** slot index in reply_data file */
225 /** tag the client used */
229 extern struct lu_context_key tgt_session_key;
231 struct tgt_session_info {
233 * The following members will be filled explicitly
234 * with specific data in tgt_ses_init().
236 struct req_capsule *tsi_pill;
239 * Lock request for "habeo clavis" operations.
241 struct ldlm_request *tsi_dlm_req;
243 /* although we have export in req, there are cases when it is not
244 * available, e.g. closing files upon export destroy */
245 struct obd_export *tsi_exp;
246 const struct lu_env *tsi_env;
247 struct lu_target *tsi_tgt;
249 const struct mdt_body *tsi_mdt_body;
250 struct ost_body *tsi_ost_body;
251 struct lu_object *tsi_corpus;
253 struct lu_fid tsi_fid;
254 struct ldlm_res_id tsi_resid;
256 /* object affected by VBR, for last_rcvd_update */
257 struct dt_object *tsi_vbr_obj;
258 /* opdata for mdt_reint_open(), has the same value as
259 * ldlm_reply:lock_policy_res1. The tgt_update_last_rcvd() stores
260 * this value onto disk for recovery when tgt_txn_stop_cb() is called.
265 * Additional fail id that can be set by handler.
267 int tsi_reply_fail_id;
268 bool tsi_preprocessed;
275 __u32 tsi_client_gen;
278 static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
280 struct tgt_session_info *tsi;
282 LASSERT(env->le_ses != NULL);
283 tsi = lu_context_key_get(env->le_ses, &tgt_session_key);
288 static inline void tgt_vbr_obj_set(const struct lu_env *env,
289 struct dt_object *obj)
291 struct tgt_session_info *tsi;
293 if (env->le_ses != NULL) {
294 tsi = tgt_ses_info(env);
295 tsi->tsi_vbr_obj = obj;
299 static inline void tgt_opdata_set(const struct lu_env *env, __u64 flags)
301 struct tgt_session_info *tsi;
303 if (env->le_ses != NULL) {
304 tsi = tgt_ses_info(env);
305 tsi->tsi_opdata |= flags;
309 static inline void tgt_opdata_clear(const struct lu_env *env, __u64 flags)
311 struct tgt_session_info *tsi;
313 if (env->le_ses != NULL) {
314 tsi = tgt_ses_info(env);
315 tsi->tsi_opdata &= ~flags;
320 * Generic unified target support.
322 enum tgt_handler_flags {
324 * struct *_body is passed in the incoming message, and object
325 * identified by this fid exists on disk.
327 * "habeo corpus" == "I have a body"
329 HABEO_CORPUS = (1 << 0),
331 * struct ldlm_request is passed in the incoming message.
333 * "habeo clavis" == "I have a key"
335 HABEO_CLAVIS = (1 << 1),
337 * this request has fixed reply format, so that reply message can be
338 * packed by generic code.
340 * "habeo refero" == "I have a reply"
342 HABEO_REFERO = (1 << 2),
344 * this request will modify something, so check whether the file system
345 * is readonly or not, then return -EROFS to client asap if necessary.
347 * "mutabor" == "I shall modify"
353 /* The name of this handler. */
355 /* Fail id, check at the beginning */
359 /* Flags in enum tgt_handler_flags */
361 /* Request version for this opcode */
362 enum lustre_msg_version th_version;
363 /* Handler function */
364 int (*th_act)(struct tgt_session_info *tsi);
365 /* Handler function for high priority requests */
366 void (*th_hp)(struct tgt_session_info *tsi);
367 /* Request format for this request */
368 const struct req_format *th_fmt;
371 struct tgt_opc_slice {
372 __u32 tos_opc_start; /* First op code */
373 __u32 tos_opc_end; /* Last op code */
374 struct tgt_handler *tos_hs; /* Registered handler */
377 static inline struct ptlrpc_request *tgt_ses_req(struct tgt_session_info *tsi)
379 return tsi->tsi_pill ? tsi->tsi_pill->rc_req : NULL;
382 static inline __u64 tgt_conn_flags(struct tgt_session_info *tsi)
384 LASSERT(tsi->tsi_exp);
385 return exp_connect_flags(tsi->tsi_exp);
388 static inline int req_is_replay(struct ptlrpc_request *req)
390 LASSERT(req->rq_reqmsg);
391 return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY);
394 static inline bool tgt_is_multimodrpcs_client(struct obd_export *exp)
396 return exp_connect_flags(exp) & OBD_CONNECT_MULTIMODRPCS;
400 /* target/tgt_handler.c */
401 int tgt_request_handle(struct ptlrpc_request *req);
402 char *tgt_name(struct lu_target *tgt);
403 void tgt_counter_incr(struct obd_export *exp, int opcode);
404 int tgt_connect_check_sptlrpc(struct ptlrpc_request *req,
405 struct obd_export *exp);
406 int tgt_adapt_sptlrpc_conf(struct lu_target *tgt);
407 int tgt_connect(struct tgt_session_info *tsi);
408 int tgt_disconnect(struct tgt_session_info *uti);
409 int tgt_obd_ping(struct tgt_session_info *tsi);
410 int tgt_enqueue(struct tgt_session_info *tsi);
411 int tgt_convert(struct tgt_session_info *tsi);
412 int tgt_bl_callback(struct tgt_session_info *tsi);
413 int tgt_cp_callback(struct tgt_session_info *tsi);
414 int tgt_llog_open(struct tgt_session_info *tsi);
415 int tgt_llog_read_header(struct tgt_session_info *tsi);
416 int tgt_llog_next_block(struct tgt_session_info *tsi);
417 int tgt_llog_prev_block(struct tgt_session_info *tsi);
418 int tgt_sec_ctx_init(struct tgt_session_info *tsi);
419 int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi);
420 int tgt_sec_ctx_fini(struct tgt_session_info *tsi);
421 int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
422 int tgt_send_buffer(struct tgt_session_info *tsi, struct lu_rdbuf *rdbuf);
423 int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa);
424 int tgt_sync(const struct lu_env *env, struct lu_target *tgt,
425 struct dt_object *obj, __u64 start, __u64 end);
427 int tgt_io_thread_init(struct ptlrpc_thread *thread);
428 void tgt_io_thread_done(struct ptlrpc_thread *thread);
430 int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
431 struct lustre_handle *lh, int mode, __u64 *flags);
432 void tgt_mdt_data_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
433 int tgt_extent_lock(const struct lu_env *env, struct ldlm_namespace *ns,
434 struct ldlm_res_id *res_id, __u64 start, __u64 end,
435 struct lustre_handle *lh, int mode, __u64 *flags);
436 void tgt_extent_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
437 int tgt_brw_read(struct tgt_session_info *tsi);
438 int tgt_brw_write(struct tgt_session_info *tsi);
439 int tgt_hpreq_handler(struct ptlrpc_request *req);
440 void tgt_register_lfsck_in_notify_local(int (*notify)(const struct lu_env *,
442 struct lfsck_req_local *,
444 void tgt_register_lfsck_in_notify(int (*notify)(const struct lu_env *,
446 struct lfsck_request *));
447 void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
449 struct lfsck_request *,
450 struct lfsck_reply *,
451 struct lfsck_query *));
452 bool req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
454 extern struct tgt_handler tgt_sec_ctx_handlers[];
455 extern struct tgt_handler tgt_lfsck_handlers[];
456 extern struct tgt_handler tgt_obd_handlers[];
457 extern struct tgt_handler tgt_dlm_handlers[];
458 extern struct tgt_handler tgt_llog_handlers[];
459 extern struct tgt_handler tgt_out_handlers[];
460 extern struct tgt_handler fld_handlers[];
461 extern struct tgt_handler seq_handlers[];
463 typedef void (*tgt_cb_t)(struct lu_target *lut, __u64 transno,
464 void *data, int err);
465 struct tgt_commit_cb {
466 tgt_cb_t tgt_cb_func;
470 int tgt_hpreq_handler(struct ptlrpc_request *req);
472 /* target/tgt_main.c */
473 void tgt_boot_epoch_update(struct lu_target *lut);
474 void tgt_save_slc_lock(struct lu_target *lut, struct ldlm_lock *lock,
476 void tgt_discard_slc_lock(struct lu_target *lut, struct ldlm_lock *lock);
477 int tgt_init(const struct lu_env *env, struct lu_target *lut,
478 struct obd_device *obd, struct dt_device *dt,
479 struct tgt_opc_slice *slice,
480 int request_fail_id, int reply_fail_id);
481 void tgt_fini(const struct lu_env *env, struct lu_target *lut);
482 int tgt_client_alloc(struct obd_export *exp);
483 void tgt_client_free(struct obd_export *exp);
484 int tgt_client_del(const struct lu_env *env, struct obd_export *exp);
485 int tgt_client_add(const struct lu_env *env, struct obd_export *exp, int);
486 int tgt_client_new(const struct lu_env *env, struct obd_export *exp);
487 int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg,
489 int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt);
490 bool tgt_lookup_reply(struct ptlrpc_request *req, struct tg_reply_data *trd);
491 int tgt_add_reply_data(const struct lu_env *env, struct lu_target *tgt,
492 struct tg_export_data *ted, struct tg_reply_data *trd,
493 struct thandle *th, bool update_lrd_file);
494 struct tg_reply_data *tgt_lookup_reply_by_xid(struct tg_export_data *ted,
497 /* target/tgt_grant.c */
498 static inline int exp_grant_param_supp(struct obd_export *exp)
500 return !!(exp_connect_flags(exp) & OBD_CONNECT_GRANT_PARAM);
503 /* Blocksize used for client not supporting OBD_CONNECT_GRANT_PARAM.
504 * That's 4KB=2^12 which is the biggest block size known to work whatever
505 * the client's page size is. */
506 #define COMPAT_BSIZE_SHIFT 12
508 void tgt_grant_sanity_check(struct obd_device *obd, const char *func);
509 void tgt_grant_connect(const struct lu_env *env, struct obd_export *exp,
510 struct obd_connect_data *data, bool new_conn);
511 void tgt_grant_discard(struct obd_export *exp);
512 void tgt_grant_prepare_read(const struct lu_env *env, struct obd_export *exp,
514 void tgt_grant_prepare_write(const struct lu_env *env, struct obd_export *exp,
515 struct obdo *oa, struct niobuf_remote *rnb,
517 void tgt_grant_commit(struct obd_export *exp, unsigned long grant_used, int rc);
518 int tgt_grant_commit_cb_add(struct thandle *th, struct obd_export *exp,
519 unsigned long grant);
520 long tgt_grant_create(const struct lu_env *env, struct obd_export *exp,
522 int tgt_statfs_internal(const struct lu_env *env, struct lu_target *lut,
523 struct obd_statfs *osfs, time64_t max_age,
525 int tgt_tot_dirty_seq_show(struct seq_file *m, void *data);
526 int tgt_tot_granted_seq_show(struct seq_file *m, void *data);
527 int tgt_tot_pending_seq_show(struct seq_file *m, void *data);
528 int tgt_grant_compat_disable_seq_show(struct seq_file *m, void *data);
529 ssize_t tgt_grant_compat_disable_seq_write(struct file *file,
530 const char __user *buffer,
531 size_t count, loff_t *off);
533 /* target/update_trans.c */
534 int distribute_txn_init(const struct lu_env *env,
535 struct lu_target *lut,
536 struct target_distribute_txn_data *tdtd,
538 void distribute_txn_fini(const struct lu_env *env,
539 struct target_distribute_txn_data *tdtd);
541 /* target/update_recovery.c */
542 int insert_update_records_to_replay_list(struct target_distribute_txn_data *,
543 struct llog_update_record *,
544 struct llog_cookie *, __u32);
545 void dtrq_list_dump(struct target_distribute_txn_data *tdtd,
547 void dtrq_list_destroy(struct target_distribute_txn_data *tdtd);
548 int distribute_txn_replay_handle(struct lu_env *env,
549 struct target_distribute_txn_data *tdtd,
550 struct distribute_txn_replay_req *dtrq);
551 __u64 distribute_txn_get_next_transno(struct target_distribute_txn_data *tdtd);
552 struct distribute_txn_replay_req *
553 distribute_txn_get_next_req(struct target_distribute_txn_data *tdtd);
554 void dtrq_destroy(struct distribute_txn_replay_req *dtrq);
555 struct distribute_txn_replay_req_sub *
556 dtrq_sub_lookup(struct distribute_txn_replay_req *dtrq, __u32 mdt_index);
557 struct distribute_txn_replay_req *
558 distribute_txn_lookup_finish_list(struct target_distribute_txn_data *tdtd,
560 bool is_req_replayed_by_update(struct ptlrpc_request *req);
565 static inline int err_serious(int rc)
568 return -(-rc | ESERIOUS);
571 static inline int clear_serious(int rc)
574 rc = -(-rc & ~ESERIOUS);
578 static inline int is_serious(int rc)
580 return (rc < 0 && -rc & ESERIOUS);
584 * Unified target generic handers macros and generic functions.
586 #define TGT_RPC_HANDLER_HP(base, flags, opc, fn, hp, fmt, version) \
589 .th_fail_id = OBD_FAIL_ ## opc ## _NET, \
594 .th_version = version, \
597 #define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
598 TGT_RPC_HANDLER_HP(base, flags, opc, fn, NULL, fmt, version)
600 /* MDT Request with a format known in advance */
601 #define TGT_MDT_HDL(flags, name, fn) \
602 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
604 /* Request with a format we do not yet know */
605 #define TGT_MDT_HDL_VAR(flags, name, fn) \
606 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL, \
609 /* OST Request with a format known in advance */
610 #define TGT_OST_HDL(flags, name, fn) \
611 TGT_RPC_HANDLER(OST_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
613 #define TGT_OST_HDL_HP(flags, name, fn, hp) \
614 TGT_RPC_HANDLER_HP(OST_FIRST_OPC, flags, name, fn, hp, \
615 &RQF_ ## name, LUSTRE_OST_VERSION)
617 /* MGS request with a format known in advance */
618 #define TGT_MGS_HDL(flags, name, fn) \
619 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
621 #define TGT_MGS_HDL_VAR(flags, name, fn) \
622 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
626 * OBD handler macros and generic functions.
628 #define TGT_OBD_HDL(flags, name, fn) \
629 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
631 #define TGT_OBD_HDL_VAR(flags, name, fn) \
632 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, NULL, \
636 * DLM handler macros and generic functions.
638 #define TGT_DLM_HDL_VAR(flags, name, fn) \
639 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
641 #define TGT_DLM_HDL(flags, name, fn) \
642 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
646 * LLOG handler macros and generic functions.
648 #define TGT_LLOG_HDL_VAR(flags, name, fn) \
649 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
651 #define TGT_LLOG_HDL(flags, name, fn) \
652 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
656 * Sec context handler macros and generic functions.
658 #define TGT_SEC_HDL_VAR(flags, name, fn) \
659 TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
662 #define TGT_QUOTA_HDL(flags, name, fn) \
663 TGT_RPC_HANDLER(QUOTA_DQACQ, flags, name, fn, &RQF_ ## name, \
666 /* Sequence service handlers */
667 #define TGT_SEQ_HDL(flags, name, fn) \
668 TGT_RPC_HANDLER(SEQ_QUERY, flags, name, fn, &RQF_ ## name, \
671 /* FID Location Database handlers */
672 #define TGT_FLD_HDL_VAR(flags, name, fn) \
673 TGT_RPC_HANDLER(FLD_QUERY, flags, name, fn, NULL, \
677 #define TGT_LFSCK_HDL(flags, name, fn) \
678 TGT_RPC_HANDLER(LFSCK_FIRST_OPC, flags, name, fn, \
679 &RQF_ ## name, LUSTRE_OBD_VERSION)
681 /* Request with a format known in advance */
682 #define TGT_UPDATE_HDL(flags, name, fn) \
683 TGT_RPC_HANDLER(OUT_UPDATE, flags, name, fn, &RQF_ ## name, \
686 #endif /* __LUSTRE_LU_TARGET_H */