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/
32 #ifndef _LUSTRE_LU_TARGET_H
33 #define _LUSTRE_LU_TARGET_H
35 #include <dt_object.h>
36 #include <lustre_export.h>
37 #include <lustre_update.h>
38 #include <lustre_disk.h>
39 #include <lustre_lfsck.h>
41 /* Each one represents a distribute transaction replay
42 * operation, and updates on each MDTs are linked to
44 struct distribute_txn_replay_req {
45 /* update record, may be vmalloc'd */
46 struct llog_update_record *dtrq_lur;
49 /* linked to the distribute transaction replay
50 * list (tdtd_replay_list) */
51 struct list_head dtrq_list;
52 __u64 dtrq_master_transno;
56 /* all of sub updates are linked here */
57 struct list_head dtrq_sub_list;
58 spinlock_t dtrq_sub_list_lock;
60 /* If the local update has been executed during replay */
61 __u32 dtrq_local_update_executed:1;
64 /* Each one represents a sub replay item under a distribute
65 * transaction. A distribute transaction will be operated in
66 * two or more MDTs, and updates on each MDT will be represented
67 * by this structure */
68 struct distribute_txn_replay_req_sub {
69 __u32 dtrqs_mdt_index;
71 /* All of cookies for the update will be linked here */
72 spinlock_t dtrqs_cookie_list_lock;
73 struct list_head dtrqs_cookie_list;
74 struct list_head dtrqs_list;
77 struct target_distribute_txn_data;
78 typedef int (*distribute_txn_replay_handler_t)(struct lu_env *env,
79 struct target_distribute_txn_data *tdtd,
80 struct distribute_txn_replay_req *dtrq);
81 typedef char *(*target_show_update_logs_retrievers_t)(void *data, int *size,
83 struct target_distribute_txn_data {
84 /* Distribution ID is used to identify updates log on different
85 * MDTs for one operation */
86 spinlock_t tdtd_batchid_lock;
88 struct lu_target *tdtd_lut;
89 struct dt_object *tdtd_batchid_obj;
90 struct dt_device *tdtd_dt;
92 /* Committed batchid for distribute transaction */
93 __u64 tdtd_committed_batchid;
95 /* List for distribute transaction */
96 struct list_head tdtd_list;
98 /* Threads to manage distribute transaction */
99 struct task_struct *tdtd_commit_task;
100 atomic_t tdtd_refcount;
101 struct lu_env tdtd_env;
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;
161 /* supported opcodes and handlers for this target */
162 struct tgt_opc_slice *lut_slice;
163 __u32 lut_reply_fail_id;
164 __u32 lut_request_fail_id;
167 rwlock_t lut_sptlrpc_lock;
168 struct sptlrpc_rule_set lut_sptlrpc_rset;
169 spinlock_t lut_flags_lock;
170 unsigned int lut_syncjournal:1,
171 lut_sync_lock_cancel:2,
173 lut_no_reconstruct:1,
174 /* enforce recovery for local clients */
175 lut_local_recovery:1,
176 lut_cksum_t10pi_enforce:1;
177 /* checksum types supported on this node */
178 enum cksum_types lut_cksum_types_supported;
179 /** last_rcvd file */
180 struct dt_object *lut_last_rcvd;
181 /* transaction callbacks */
182 struct dt_txn_callback lut_txn_cb;
183 /** server data in last_rcvd file */
184 struct lr_server_data lut_lsd;
185 /** Server last transaction number */
186 __u64 lut_last_transno;
187 /** Lock protecting last transaction number */
188 spinlock_t lut_translock;
189 /** Lock protecting client bitmap */
190 spinlock_t lut_client_bitmap_lock;
191 /** Bitmap of known clients */
192 unsigned long *lut_client_bitmap;
193 /* Number of clients supporting multiple modify RPCs
194 * recorded in the bitmap */
195 atomic_t lut_num_clients;
196 /* Client generation to identify client slot reuse */
197 atomic_t lut_client_generation;
198 /** reply_data file */
199 struct dt_object *lut_reply_data;
200 /** Bitmap of used slots in the reply data file */
201 unsigned long **lut_reply_bitmap;
202 /** target sync count, used for debug & test */
203 atomic_t lut_sync_count;
205 /** cross MDT locks which should trigger Sync-on-Lock-Cancel */
206 spinlock_t lut_slc_locks_guard;
207 struct list_head lut_slc_locks;
209 /* target grants fields */
210 struct tg_grants_data lut_tgd;
212 /* target tunables */
213 const struct attribute **lut_attrs;
215 /* FMD (file modification data) values */
217 time64_t lut_fmd_max_age;
220 #define LUT_FMD_MAX_NUM_DEFAULT 128
221 #define LUT_FMD_MAX_AGE_DEFAULT (obd_timeout + 10)
223 /* number of slots in reply bitmap */
224 #define LUT_REPLY_SLOTS_PER_CHUNK (1<<20)
225 #define LUT_REPLY_SLOTS_MAX_CHUNKS 16
227 #define TRD_INDEX_MEMORY -1
232 struct tg_reply_data {
233 /** chain of reply data anchored in tg_export_data */
234 struct list_head trd_list;
235 /** copy of on-disk reply data */
236 struct lsd_reply_data trd_reply;
237 /** versions for Version Based Recovery */
238 __u64 trd_pre_versions[4];
239 /** slot index in reply_data file */
241 /** tag the client used */
245 extern struct lu_context_key tgt_session_key;
247 struct tgt_session_info {
249 * The following members will be filled explicitly
250 * with specific data in tgt_ses_init().
252 struct req_capsule *tsi_pill;
255 * Lock request for "habeo clavis" operations.
257 struct ldlm_request *tsi_dlm_req;
259 /* although we have export in req, there are cases when it is not
260 * available, e.g. closing files upon export destroy */
261 struct obd_export *tsi_exp;
262 const struct lu_env *tsi_env;
263 struct lu_target *tsi_tgt;
265 const struct mdt_body *tsi_mdt_body;
266 struct ost_body *tsi_ost_body;
267 struct lu_object *tsi_corpus;
269 struct lu_fid tsi_fid;
270 struct ldlm_res_id tsi_resid;
272 /* object affected by VBR, for last_rcvd_update */
273 struct dt_object *tsi_vbr_obj;
274 /* opdata for mdt_reint_open(), has the same value as
275 * ldlm_reply:lock_policy_res1. The tgt_update_last_rcvd() stores
276 * this value onto disk for recovery when tgt_txn_stop_cb() is called.
281 * Additional fail id that can be set by handler.
283 int tsi_reply_fail_id;
284 bool tsi_preprocessed;
291 __u32 tsi_client_gen;
294 static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
296 struct tgt_session_info *tsi;
298 LASSERT(env->le_ses != NULL);
299 tsi = lu_context_key_get(env->le_ses, &tgt_session_key);
304 static inline void tgt_vbr_obj_set(const struct lu_env *env,
305 struct dt_object *obj)
307 struct tgt_session_info *tsi;
309 if (env->le_ses != NULL) {
310 tsi = tgt_ses_info(env);
311 tsi->tsi_vbr_obj = obj;
315 static inline void tgt_opdata_set(const struct lu_env *env, __u64 flags)
317 struct tgt_session_info *tsi;
319 if (env->le_ses != NULL) {
320 tsi = tgt_ses_info(env);
321 tsi->tsi_opdata |= flags;
325 static inline void tgt_opdata_clear(const struct lu_env *env, __u64 flags)
327 struct tgt_session_info *tsi;
329 if (env->le_ses != NULL) {
330 tsi = tgt_ses_info(env);
331 tsi->tsi_opdata &= ~flags;
336 * Generic unified target support.
338 enum tgt_handler_flags {
340 * struct *_body is passed in the incoming message, and object
341 * identified by this fid exists on disk.
345 * struct ldlm_request is passed in the incoming message.
349 * this request has fixed reply format, so that reply message can be
350 * packed by generic code.
354 * this request will modify something, so check whether the file system
355 * is readonly or not, then return -EROFS to client asap if necessary.
361 /* The name of this handler. */
363 /* Fail id, check at the beginning */
367 /* Flags in enum tgt_handler_flags */
369 /* Request version for this opcode */
370 enum lustre_msg_version th_version;
371 /* Handler function */
372 int (*th_act)(struct tgt_session_info *tsi);
373 /* Handler function for high priority requests */
374 void (*th_hp)(struct tgt_session_info *tsi);
375 /* Request format for this request */
376 const struct req_format *th_fmt;
379 struct tgt_opc_slice {
380 __u32 tos_opc_start; /* First op code */
381 __u32 tos_opc_end; /* Last op code */
382 struct tgt_handler *tos_hs; /* Registered handler */
385 static inline struct ptlrpc_request *tgt_ses_req(struct tgt_session_info *tsi)
387 return tsi->tsi_pill ? tsi->tsi_pill->rc_req : NULL;
390 static inline __u64 tgt_conn_flags(struct tgt_session_info *tsi)
392 LASSERT(tsi->tsi_exp);
393 return exp_connect_flags(tsi->tsi_exp);
396 static inline int req_is_replay(struct ptlrpc_request *req)
398 LASSERT(req->rq_reqmsg);
399 return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY);
402 static inline bool tgt_is_multimodrpcs_client(struct obd_export *exp)
404 return exp_connect_flags(exp) & OBD_CONNECT_MULTIMODRPCS;
407 static inline bool tgt_is_increasing_xid_client(struct obd_export *exp)
409 return exp_connect_flags2(exp) & OBD_CONNECT2_INC_XID;
412 /* target/tgt_handler.c */
413 int tgt_request_handle(struct ptlrpc_request *req);
414 char *tgt_name(struct lu_target *tgt);
415 void tgt_counter_incr(struct obd_export *exp, int opcode);
416 int tgt_connect_check_sptlrpc(struct ptlrpc_request *req,
417 struct obd_export *exp);
418 int tgt_adapt_sptlrpc_conf(struct lu_target *tgt);
419 int tgt_connect(struct tgt_session_info *tsi);
420 int tgt_disconnect(struct tgt_session_info *uti);
421 int tgt_obd_ping(struct tgt_session_info *tsi);
422 int tgt_enqueue(struct tgt_session_info *tsi);
423 int tgt_convert(struct tgt_session_info *tsi);
424 int tgt_bl_callback(struct tgt_session_info *tsi);
425 int tgt_cp_callback(struct tgt_session_info *tsi);
426 int tgt_llog_open(struct tgt_session_info *tsi);
427 int tgt_llog_read_header(struct tgt_session_info *tsi);
428 int tgt_llog_next_block(struct tgt_session_info *tsi);
429 int tgt_llog_prev_block(struct tgt_session_info *tsi);
430 int tgt_sec_ctx_init(struct tgt_session_info *tsi);
431 int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi);
432 int tgt_sec_ctx_fini(struct tgt_session_info *tsi);
433 int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
434 int tgt_send_buffer(struct tgt_session_info *tsi, struct lu_rdbuf *rdbuf);
435 int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa);
436 int tgt_sync(const struct lu_env *env, struct lu_target *tgt,
437 struct dt_object *obj, __u64 start, __u64 end);
439 int tgt_io_thread_init(struct ptlrpc_thread *thread);
440 void tgt_io_thread_done(struct ptlrpc_thread *thread);
442 int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
443 struct lustre_handle *lh, int mode, __u64 *flags);
444 int tgt_extent_lock(const struct lu_env *env, struct ldlm_namespace *ns,
445 struct ldlm_res_id *res_id, __u64 start, __u64 end,
446 struct lustre_handle *lh, int mode, __u64 *flags);
447 void tgt_data_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
448 int tgt_brw_read(struct tgt_session_info *tsi);
449 int tgt_brw_write(struct tgt_session_info *tsi);
450 int tgt_lseek(struct tgt_session_info *tsi);
451 int tgt_hpreq_handler(struct ptlrpc_request *req);
452 void tgt_register_lfsck_in_notify_local(int (*notify)(const struct lu_env *,
454 struct lfsck_req_local *,
456 void tgt_register_lfsck_in_notify(int (*notify)(const struct lu_env *,
458 struct lfsck_request *));
459 void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
461 struct lfsck_request *,
462 struct lfsck_reply *,
463 struct lfsck_query *));
464 int req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
466 extern struct tgt_handler tgt_sec_ctx_handlers[];
467 extern struct tgt_handler tgt_lfsck_handlers[];
468 extern struct tgt_handler tgt_obd_handlers[];
469 extern struct tgt_handler tgt_dlm_handlers[];
470 extern struct tgt_handler tgt_llog_handlers[];
471 extern struct tgt_handler tgt_out_handlers[];
472 extern struct tgt_handler fld_handlers[];
473 extern struct tgt_handler seq_handlers[];
475 typedef void (*tgt_cb_t)(struct lu_target *lut, __u64 transno,
476 void *data, int err);
477 struct tgt_commit_cb {
478 tgt_cb_t tgt_cb_func;
482 int tgt_hpreq_handler(struct ptlrpc_request *req);
484 /* target/tgt_main.c */
485 void tgt_boot_epoch_update(struct lu_target *lut);
486 void tgt_save_slc_lock(struct lu_target *lut, struct ldlm_lock *lock,
488 void tgt_discard_slc_lock(struct lu_target *lut, struct ldlm_lock *lock);
489 int tgt_init(const struct lu_env *env, struct lu_target *lut,
490 struct obd_device *obd, struct dt_device *dt,
491 struct tgt_opc_slice *slice,
492 int request_fail_id, int reply_fail_id);
493 void tgt_fini(const struct lu_env *env, struct lu_target *lut);
494 int tgt_client_alloc(struct obd_export *exp);
495 void tgt_client_free(struct obd_export *exp);
496 int tgt_client_del(const struct lu_env *env, struct obd_export *exp);
497 int tgt_client_add(const struct lu_env *env, struct obd_export *exp, int);
498 int tgt_client_new(const struct lu_env *env, struct obd_export *exp);
499 int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg,
501 int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt);
502 int tgt_lookup_reply(struct ptlrpc_request *req, struct tg_reply_data *trd);
503 int tgt_mk_reply_data(const struct lu_env *env, struct lu_target *tgt,
504 struct tg_export_data *ted, struct ptlrpc_request *req,
505 __u64 opdata, struct thandle *th, bool write_update,
507 struct tg_reply_data *tgt_lookup_reply_by_xid(struct tg_export_data *ted,
509 int tgt_tunables_init(struct lu_target *lut);
510 void tgt_tunables_fini(struct lu_target *lut);
511 void tgt_mask_cksum_types(struct lu_target *lut, enum cksum_types *cksum_types);
513 /* target/tgt_grant.c */
514 static inline int exp_grant_param_supp(struct obd_export *exp)
516 return !!(exp_connect_flags(exp) & OBD_CONNECT_GRANT_PARAM);
519 /* Blocksize used for client not supporting OBD_CONNECT_GRANT_PARAM.
520 * That's 4KB=2^12 which is the biggest block size known to work whatever
521 * the client's page size is. */
522 #define COMPAT_BSIZE_SHIFT 12
524 void tgt_grant_sanity_check(struct obd_device *obd, const char *func);
525 void tgt_grant_connect(const struct lu_env *env, struct obd_export *exp,
526 struct obd_connect_data *data, bool new_conn);
527 void tgt_grant_discard(struct obd_export *exp);
528 void tgt_grant_prepare_read(const struct lu_env *env, struct obd_export *exp,
530 void tgt_grant_prepare_write(const struct lu_env *env, struct obd_export *exp,
531 struct obdo *oa, struct niobuf_remote *rnb,
533 void tgt_grant_commit(struct obd_export *exp, unsigned long grant_used, int rc);
534 int tgt_grant_commit_cb_add(struct thandle *th, struct obd_export *exp,
535 unsigned long grant);
536 long tgt_grant_create(const struct lu_env *env, struct obd_export *exp,
538 int tgt_statfs_internal(const struct lu_env *env, struct lu_target *lut,
539 struct obd_statfs *osfs, time64_t max_age,
541 ssize_t tot_dirty_show(struct kobject *kobj, struct attribute *attr,
543 ssize_t tot_granted_show(struct kobject *kobj, struct attribute *attr,
545 ssize_t tot_pending_show(struct kobject *kobj, struct attribute *attr,
547 ssize_t grant_compat_disable_show(struct kobject *kobj, struct attribute *attr,
549 ssize_t grant_compat_disable_store(struct kobject *kobj,
550 struct attribute *attr,
551 const char *buffer, size_t count);
552 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
553 ssize_t sync_lock_cancel_show(struct kobject *kobj,
554 struct attribute *attr, char *buf);
555 ssize_t sync_lock_cancel_store(struct kobject *kobj, struct attribute *attr,
556 const char *buffer, size_t count);
560 void tgt_fmd_update(struct obd_export *exp, const struct lu_fid *fid,
562 bool tgt_fmd_check(struct obd_export *exp, const struct lu_fid *fid,
565 void tgt_fmd_drop(struct obd_export *exp, const struct lu_fid *fid);
567 #define tgt_fmd_drop(exp, fid) do {} while (0)
570 /* target/update_trans.c */
571 int distribute_txn_init(const struct lu_env *env,
572 struct lu_target *lut,
573 struct target_distribute_txn_data *tdtd,
575 void distribute_txn_fini(const struct lu_env *env,
576 struct target_distribute_txn_data *tdtd);
578 /* target/update_recovery.c */
579 int insert_update_records_to_replay_list(struct target_distribute_txn_data *,
580 struct llog_update_record *,
581 struct llog_cookie *, __u32);
582 void dtrq_list_dump(struct target_distribute_txn_data *tdtd,
584 void dtrq_list_destroy(struct target_distribute_txn_data *tdtd);
585 int distribute_txn_replay_handle(struct lu_env *env,
586 struct target_distribute_txn_data *tdtd,
587 struct distribute_txn_replay_req *dtrq);
588 __u64 distribute_txn_get_next_transno(struct target_distribute_txn_data *tdtd);
589 struct distribute_txn_replay_req *
590 distribute_txn_get_next_req(struct target_distribute_txn_data *tdtd);
591 void dtrq_destroy(struct distribute_txn_replay_req *dtrq);
592 struct distribute_txn_replay_req_sub *
593 dtrq_sub_lookup(struct distribute_txn_replay_req *dtrq, __u32 mdt_index);
594 struct distribute_txn_replay_req *
595 distribute_txn_lookup_finish_list(struct target_distribute_txn_data *tdtd,
597 bool is_req_replayed_by_update(struct ptlrpc_request *req);
602 static inline int err_serious(int rc)
605 return -(-rc | ESERIOUS);
608 static inline int clear_serious(int rc)
611 rc = -(-rc & ~ESERIOUS);
615 static inline int is_serious(int rc)
617 return (rc < 0 && -rc & ESERIOUS);
621 * Unified target generic handers macros and generic functions.
623 #define TGT_RPC_HANDLER_HP(base, flags, opc, fn, hp, fmt, version) \
626 .th_fail_id = OBD_FAIL_ ## opc ## _NET, \
631 .th_version = version, \
634 #define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
635 TGT_RPC_HANDLER_HP(base, flags, opc, fn, NULL, fmt, version)
637 /* MDT Request with a format known in advance */
638 #define TGT_MDT_HDL(flags, name, fn) \
639 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
641 /* Request with a format we do not yet know */
642 #define TGT_MDT_HDL_VAR(flags, name, fn) \
643 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL, \
646 /* OST Request with a format known in advance */
647 #define TGT_OST_HDL(flags, name, fn) \
648 TGT_RPC_HANDLER(OST_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
650 #define TGT_OST_HDL_HP(flags, name, fn, hp) \
651 TGT_RPC_HANDLER_HP(OST_FIRST_OPC, flags, name, fn, hp, \
652 &RQF_ ## name, LUSTRE_OST_VERSION)
654 /* MGS request with a format known in advance */
655 #define TGT_MGS_HDL(flags, name, fn) \
656 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
658 #define TGT_MGS_HDL_VAR(flags, name, fn) \
659 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
663 * OBD handler macros and generic functions.
665 #define TGT_OBD_HDL(flags, name, fn) \
666 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
668 #define TGT_OBD_HDL_VAR(flags, name, fn) \
669 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, NULL, \
673 * DLM handler macros and generic functions.
675 #define TGT_DLM_HDL_VAR(flags, name, fn) \
676 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
678 #define TGT_DLM_HDL(flags, name, fn) \
679 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
683 * LLOG handler macros and generic functions.
685 #define TGT_LLOG_HDL_VAR(flags, name, fn) \
686 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
688 #define TGT_LLOG_HDL(flags, name, fn) \
689 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
693 * Sec context handler macros and generic functions.
695 #define TGT_SEC_HDL_VAR(flags, name, fn) \
696 TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
699 #define TGT_QUOTA_HDL(flags, name, fn) \
700 TGT_RPC_HANDLER(QUOTA_DQACQ, flags, name, fn, &RQF_ ## name, \
703 /* Sequence service handlers */
704 #define TGT_SEQ_HDL(flags, name, fn) \
705 TGT_RPC_HANDLER(SEQ_QUERY, flags, name, fn, &RQF_ ## name, \
708 /* FID Location Database handlers */
709 #define TGT_FLD_HDL_VAR(flags, name, fn) \
710 TGT_RPC_HANDLER(FLD_QUERY, flags, name, fn, NULL, \
714 #define TGT_LFSCK_HDL(flags, name, fn) \
715 TGT_RPC_HANDLER(LFSCK_FIRST_OPC, flags, name, fn, \
716 &RQF_ ## name, LUSTRE_OBD_VERSION)
718 /* Request with a format known in advance */
719 #define TGT_UPDATE_HDL(flags, name, fn) \
720 TGT_RPC_HANDLER(OUT_UPDATE, flags, name, fn, &RQF_ ## name, \
723 #endif /* __LUSTRE_LU_TARGET_H */