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>
40 #include <lu_object.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 struct task_struct *tdtd_commit_task;
101 atomic_t tdtd_refcount;
102 struct lu_env tdtd_env;
104 /* recovery update */
105 distribute_txn_replay_handler_t tdtd_replay_handler;
106 struct list_head tdtd_replay_list;
107 struct list_head tdtd_replay_finish_list;
108 spinlock_t tdtd_replay_list_lock;
109 /* last replay update transno */
110 __u32 tdtd_replay_ready:1;
112 /* Manage the llog recovery threads */
113 atomic_t tdtd_recovery_threads_count;
114 wait_queue_head_t tdtd_recovery_threads_waitq;
115 target_show_update_logs_retrievers_t
116 tdtd_show_update_logs_retrievers;
117 void *tdtd_show_retrievers_cbdata;
120 struct tg_grants_data {
121 /* grants: all values in bytes */
122 /* grant lock to protect all grant counters */
123 spinlock_t tgd_grant_lock;
124 /* total amount of dirty data reported by clients in incoming obdo */
126 /* sum of filesystem space granted to clients for async writes */
128 /* grant used by I/Os in progress (between prepare and commit) */
130 /* amount of available space in percentage that is never used for
131 * grants, used on MDT to always keep space for metadata. */
132 u64 tgd_reserved_pcnt;
133 /* number of clients using grants */
134 int tgd_tot_granted_clients;
135 /* shall we grant space to clients not
136 * supporting OBD_CONNECT_GRANT_PARAM? */
137 unsigned int tgd_grant_compat_disable:1,
138 /* if 1 then LBUG on grant miscount, CERROR otherwise */
139 tgd_lbug_on_grant_miscount:1;
140 /* protect all statfs-related counters */
141 spinlock_t tgd_osfs_lock;
142 time64_t tgd_osfs_age;
144 /* counters used during statfs update, protected by ofd_osfs_lock.
145 * record when some statfs refresh are in progress */
146 int tgd_statfs_inflight;
147 /* writes between prep & commit which might be accounted twice in
148 * ofd_osfs.os_bavail */
149 u64 tgd_osfs_unstable;
150 /* track writes completed while statfs refresh is underway.
151 * tracking is only effective when ofd_statfs_inflight > 1 */
152 u64 tgd_osfs_inflight;
153 /* statfs optimization: we cache a bit */
154 struct obd_statfs tgd_osfs;
158 struct obd_device *lut_obd;
159 struct dt_device *lut_bottom;
160 struct dt_device_param lut_dt_conf;
162 struct target_distribute_txn_data *lut_tdtd;
164 /* supported opcodes and handlers for this target */
165 struct tgt_opc_slice *lut_slice;
166 __u32 lut_reply_fail_id;
167 __u32 lut_request_fail_id;
170 rwlock_t lut_sptlrpc_lock;
171 struct sptlrpc_rule_set lut_sptlrpc_rset;
172 spinlock_t lut_flags_lock;
173 unsigned int lut_syncjournal:1,
174 lut_sync_lock_cancel:2,
176 lut_no_reconstruct:1,
177 /* enforce recovery for local clients */
178 lut_local_recovery:1,
179 lut_cksum_t10pi_enforce:1;
180 /* checksum types supported on this node */
181 enum cksum_types lut_cksum_types_supported;
182 /** last_rcvd file */
183 struct dt_object *lut_last_rcvd;
184 /* transaction callbacks */
185 struct dt_txn_callback lut_txn_cb;
186 /** server data in last_rcvd file */
187 struct lr_server_data lut_lsd;
188 /** Server last transaction number */
189 __u64 lut_last_transno;
190 /** Lock protecting last transaction number */
191 spinlock_t lut_translock;
192 /** Lock protecting client bitmap */
193 spinlock_t lut_client_bitmap_lock;
194 /** Bitmap of known clients */
195 unsigned long *lut_client_bitmap;
196 /* Number of clients supporting multiple modify RPCs
197 * recorded in the bitmap */
198 atomic_t lut_num_clients;
199 /* Client generation to identify client slot reuse */
200 atomic_t lut_client_generation;
201 /** reply_data file */
202 struct dt_object *lut_reply_data;
203 /** Bitmap of used slots in the reply data file */
204 unsigned long **lut_reply_bitmap;
205 /** target sync count, used for debug & test */
206 atomic_t lut_sync_count;
208 /** cross MDT locks which should trigger Sync-on-Lock-Cancel */
209 spinlock_t lut_slc_locks_guard;
210 struct list_head lut_slc_locks;
212 /* target grants fields */
213 struct tg_grants_data lut_tgd;
215 /* target tunables */
216 const struct attribute **lut_attrs;
218 /* FMD (file modification data) values */
220 time64_t lut_fmd_max_age;
223 #define LUT_FMD_MAX_NUM_DEFAULT 128
224 #define LUT_FMD_MAX_AGE_DEFAULT (obd_timeout + 10)
226 /* number of slots in reply bitmap */
227 #define LUT_REPLY_SLOTS_PER_CHUNK (1<<20)
228 #define LUT_REPLY_SLOTS_MAX_CHUNKS 16
230 #define TRD_INDEX_MEMORY -1
235 struct tg_reply_data {
236 /** chain of reply data anchored in tg_export_data */
237 struct list_head trd_list;
238 /** copy of on-disk reply data */
239 struct lsd_reply_data trd_reply;
240 /** versions for Version Based Recovery */
241 __u64 trd_pre_versions[4];
242 /** slot index in reply_data file */
244 /** tag the client used */
248 extern struct lu_context_key tgt_session_key;
250 struct tgt_session_info {
252 * The following members will be filled explicitly
253 * with specific data in tgt_ses_init().
255 struct req_capsule *tsi_pill;
258 * Lock request for "habeo clavis" operations.
260 struct ldlm_request *tsi_dlm_req;
262 /* although we have export in req, there are cases when it is not
263 * available, e.g. closing files upon export destroy */
264 struct obd_export *tsi_exp;
265 const struct lu_env *tsi_env;
266 struct lu_target *tsi_tgt;
268 const struct mdt_body *tsi_mdt_body;
269 struct ost_body *tsi_ost_body;
270 struct lu_object *tsi_corpus;
272 struct lu_fid tsi_fid;
273 struct ldlm_res_id tsi_resid;
275 /* object affected by VBR, for last_rcvd_update */
276 struct dt_object *tsi_vbr_obj;
277 /* opdata for mdt_reint_open(), has the same value as
278 * ldlm_reply:lock_policy_res1. The tgt_update_last_rcvd() stores
279 * this value onto disk for recovery when tgt_txn_stop_cb() is called.
284 * Additional fail id that can be set by handler.
286 int tsi_reply_fail_id;
287 bool tsi_preprocessed;
294 __u32 tsi_client_gen;
297 static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
299 struct tgt_session_info *tsi;
301 LASSERT(env->le_ses != NULL);
302 tsi = lu_context_key_get(env->le_ses, &tgt_session_key);
307 static inline void tgt_vbr_obj_set(const struct lu_env *env,
308 struct dt_object *obj)
310 struct tgt_session_info *tsi;
312 if (env->le_ses != NULL) {
313 tsi = tgt_ses_info(env);
314 tsi->tsi_vbr_obj = obj;
318 static inline void tgt_opdata_set(const struct lu_env *env, __u64 flags)
320 struct tgt_session_info *tsi;
322 if (env->le_ses != NULL) {
323 tsi = tgt_ses_info(env);
324 tsi->tsi_opdata |= flags;
328 static inline void tgt_opdata_clear(const struct lu_env *env, __u64 flags)
330 struct tgt_session_info *tsi;
332 if (env->le_ses != NULL) {
333 tsi = tgt_ses_info(env);
334 tsi->tsi_opdata &= ~flags;
339 * Generic unified target support.
341 enum tgt_handler_flags {
343 * struct *_body is passed in the incoming message, and object
344 * identified by this fid exists on disk.
348 * struct ldlm_request is passed in the incoming message.
352 * this request has fixed reply format, so that reply message can be
353 * packed by generic code.
357 * this request will modify something, so check whether the file system
358 * is readonly or not, then return -EROFS to client asap if necessary.
364 /* The name of this handler. */
366 /* Fail id, check at the beginning */
370 /* Flags in enum tgt_handler_flags */
372 /* Request version for this opcode */
373 enum lustre_msg_version th_version;
374 /* Handler function */
375 int (*th_act)(struct tgt_session_info *tsi);
376 /* Handler function for high priority requests */
377 void (*th_hp)(struct tgt_session_info *tsi);
378 /* Request format for this request */
379 const struct req_format *th_fmt;
382 struct tgt_opc_slice {
383 __u32 tos_opc_start; /* First op code */
384 __u32 tos_opc_end; /* Last op code */
385 struct tgt_handler *tos_hs; /* Registered handler */
388 static inline struct ptlrpc_request *tgt_ses_req(struct tgt_session_info *tsi)
390 return tsi->tsi_pill ? tsi->tsi_pill->rc_req : NULL;
393 static inline __u64 tgt_conn_flags(struct tgt_session_info *tsi)
395 LASSERT(tsi->tsi_exp);
396 return exp_connect_flags(tsi->tsi_exp);
399 static inline int req_is_replay(struct ptlrpc_request *req)
401 LASSERT(req->rq_reqmsg);
402 return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY);
405 static inline bool tgt_is_multimodrpcs_client(struct obd_export *exp)
407 return exp_connect_flags(exp) & OBD_CONNECT_MULTIMODRPCS;
410 static inline bool tgt_is_increasing_xid_client(struct obd_export *exp)
412 return exp_connect_flags2(exp) & OBD_CONNECT2_INC_XID;
415 /* target/tgt_handler.c */
416 int tgt_request_handle(struct ptlrpc_request *req);
417 char *tgt_name(struct lu_target *tgt);
418 void tgt_counter_incr(struct obd_export *exp, int opcode);
419 int tgt_connect_check_sptlrpc(struct ptlrpc_request *req,
420 struct obd_export *exp);
421 int tgt_adapt_sptlrpc_conf(struct lu_target *tgt);
422 int tgt_connect(struct tgt_session_info *tsi);
423 int tgt_disconnect(struct tgt_session_info *uti);
424 int tgt_obd_ping(struct tgt_session_info *tsi);
425 int tgt_enqueue(struct tgt_session_info *tsi);
426 int tgt_convert(struct tgt_session_info *tsi);
427 int tgt_bl_callback(struct tgt_session_info *tsi);
428 int tgt_cp_callback(struct tgt_session_info *tsi);
429 int tgt_llog_open(struct tgt_session_info *tsi);
430 int tgt_llog_read_header(struct tgt_session_info *tsi);
431 int tgt_llog_next_block(struct tgt_session_info *tsi);
432 int tgt_llog_prev_block(struct tgt_session_info *tsi);
433 int tgt_sec_ctx_init(struct tgt_session_info *tsi);
434 int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi);
435 int tgt_sec_ctx_fini(struct tgt_session_info *tsi);
436 int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
437 int tgt_send_buffer(struct tgt_session_info *tsi, struct lu_rdbuf *rdbuf);
438 int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa);
439 int tgt_sync(const struct lu_env *env, struct lu_target *tgt,
440 struct dt_object *obj, __u64 start, __u64 end);
442 int tgt_io_thread_init(struct ptlrpc_thread *thread);
443 void tgt_io_thread_done(struct ptlrpc_thread *thread);
445 int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
446 struct lustre_handle *lh, int mode, __u64 *flags);
447 int tgt_extent_lock(const struct lu_env *env, struct ldlm_namespace *ns,
448 struct ldlm_res_id *res_id, __u64 start, __u64 end,
449 struct lustre_handle *lh, int mode, __u64 *flags);
450 void tgt_data_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
451 int tgt_brw_read(struct tgt_session_info *tsi);
452 int tgt_brw_write(struct tgt_session_info *tsi);
453 int tgt_lseek(struct tgt_session_info *tsi);
454 int tgt_hpreq_handler(struct ptlrpc_request *req);
455 void tgt_register_lfsck_in_notify_local(int (*notify)(const struct lu_env *,
457 struct lfsck_req_local *,
459 void tgt_register_lfsck_in_notify(int (*notify)(const struct lu_env *,
461 struct lfsck_request *));
462 void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
464 struct lfsck_request *,
465 struct lfsck_reply *,
466 struct lfsck_query *));
467 int req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
469 extern struct tgt_handler tgt_sec_ctx_handlers[];
470 extern struct tgt_handler tgt_lfsck_handlers[];
471 extern struct tgt_handler tgt_obd_handlers[];
472 extern struct tgt_handler tgt_dlm_handlers[];
473 extern struct tgt_handler tgt_llog_handlers[];
474 extern struct tgt_handler tgt_out_handlers[];
475 extern struct tgt_handler fld_handlers[];
476 extern struct tgt_handler seq_handlers[];
478 typedef void (*tgt_cb_t)(struct lu_target *lut, __u64 transno,
479 void *data, int err);
480 struct tgt_commit_cb {
481 tgt_cb_t tgt_cb_func;
485 int tgt_hpreq_handler(struct ptlrpc_request *req);
487 /* target/tgt_main.c */
488 void tgt_boot_epoch_update(struct lu_target *lut);
489 void tgt_save_slc_lock(struct lu_target *lut, struct ldlm_lock *lock,
491 void tgt_discard_slc_lock(struct lu_target *lut, struct ldlm_lock *lock);
492 int tgt_init(const struct lu_env *env, struct lu_target *lut,
493 struct obd_device *obd, struct dt_device *dt,
494 struct tgt_opc_slice *slice,
495 int request_fail_id, int reply_fail_id);
496 void tgt_fini(const struct lu_env *env, struct lu_target *lut);
497 int tgt_client_alloc(struct obd_export *exp);
498 void tgt_client_free(struct obd_export *exp);
499 int tgt_client_del(const struct lu_env *env, struct obd_export *exp);
500 int tgt_client_add(const struct lu_env *env, struct obd_export *exp, int);
501 int tgt_client_new(const struct lu_env *env, struct obd_export *exp);
502 int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg,
504 int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt);
505 int tgt_lookup_reply(struct ptlrpc_request *req, struct tg_reply_data *trd);
506 int tgt_mk_reply_data(const struct lu_env *env, struct lu_target *tgt,
507 struct tg_export_data *ted, struct ptlrpc_request *req,
508 __u64 opdata, struct thandle *th, bool write_update,
510 struct tg_reply_data *tgt_lookup_reply_by_xid(struct tg_export_data *ted,
512 int tgt_tunables_init(struct lu_target *lut);
513 void tgt_tunables_fini(struct lu_target *lut);
514 void tgt_mask_cksum_types(struct lu_target *lut, enum cksum_types *cksum_types);
516 /* target/tgt_grant.c */
517 static inline int exp_grant_param_supp(struct obd_export *exp)
519 return !!(exp_connect_flags(exp) & OBD_CONNECT_GRANT_PARAM);
522 /* Blocksize used for client not supporting OBD_CONNECT_GRANT_PARAM.
523 * That's 4KB=2^12 which is the biggest block size known to work whatever
524 * the client's page size is. */
525 #define COMPAT_BSIZE_SHIFT 12
527 void tgt_grant_sanity_check(struct obd_device *obd, const char *func);
528 void tgt_grant_connect(const struct lu_env *env, struct obd_export *exp,
529 struct obd_connect_data *data, bool new_conn);
530 void tgt_grant_discard(struct obd_export *exp);
531 void tgt_grant_prepare_read(const struct lu_env *env, struct obd_export *exp,
533 void tgt_grant_prepare_write(const struct lu_env *env, struct obd_export *exp,
534 struct obdo *oa, struct niobuf_remote *rnb,
536 void tgt_grant_commit(struct obd_export *exp, unsigned long grant_used, int rc);
537 int tgt_grant_commit_cb_add(struct thandle *th, struct obd_export *exp,
538 unsigned long grant);
539 long tgt_grant_create(const struct lu_env *env, struct obd_export *exp,
541 int tgt_statfs_internal(const struct lu_env *env, struct lu_target *lut,
542 struct obd_statfs *osfs, time64_t max_age,
544 ssize_t tot_dirty_show(struct kobject *kobj, struct attribute *attr,
546 ssize_t tot_granted_show(struct kobject *kobj, struct attribute *attr,
548 ssize_t tot_pending_show(struct kobject *kobj, struct attribute *attr,
550 ssize_t grant_compat_disable_show(struct kobject *kobj, struct attribute *attr,
552 ssize_t grant_compat_disable_store(struct kobject *kobj,
553 struct attribute *attr,
554 const char *buffer, size_t count);
555 ssize_t lbug_on_grant_miscount_show(struct kobject *kobj,
556 struct attribute *attr, char *buf);
557 ssize_t lbug_on_grant_miscount_store(struct kobject *kobj,
558 struct attribute *attr,
559 const char *buffer, size_t count);
560 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
561 ssize_t sync_lock_cancel_show(struct kobject *kobj,
562 struct attribute *attr, char *buf);
563 ssize_t sync_lock_cancel_store(struct kobject *kobj, struct attribute *attr,
564 const char *buffer, size_t count);
568 void tgt_fmd_update(struct obd_export *exp, const struct lu_fid *fid,
570 bool tgt_fmd_check(struct obd_export *exp, const struct lu_fid *fid,
573 void tgt_fmd_drop(struct obd_export *exp, const struct lu_fid *fid);
575 #define tgt_fmd_drop(exp, fid) do {} while (0)
578 /* target/update_trans.c */
579 int distribute_txn_init(const struct lu_env *env,
580 struct lu_target *lut,
581 struct target_distribute_txn_data *tdtd,
583 void distribute_txn_fini(const struct lu_env *env,
584 struct target_distribute_txn_data *tdtd);
586 /* target/update_recovery.c */
587 int insert_update_records_to_replay_list(struct target_distribute_txn_data *,
588 struct llog_update_record *,
589 struct llog_cookie *, __u32);
590 void dtrq_list_dump(struct target_distribute_txn_data *tdtd,
592 void dtrq_list_destroy(struct target_distribute_txn_data *tdtd);
593 int distribute_txn_replay_handle(struct lu_env *env,
594 struct target_distribute_txn_data *tdtd,
595 struct distribute_txn_replay_req *dtrq);
596 __u64 distribute_txn_get_next_transno(struct target_distribute_txn_data *tdtd);
597 struct distribute_txn_replay_req *
598 distribute_txn_get_next_req(struct target_distribute_txn_data *tdtd);
599 void dtrq_destroy(struct distribute_txn_replay_req *dtrq);
600 struct distribute_txn_replay_req_sub *
601 dtrq_sub_lookup(struct distribute_txn_replay_req *dtrq, __u32 mdt_index);
602 struct distribute_txn_replay_req *
603 distribute_txn_lookup_finish_list(struct target_distribute_txn_data *tdtd,
605 bool is_req_replayed_by_update(struct ptlrpc_request *req);
610 static inline int err_serious(int rc)
613 return -(-rc | ESERIOUS);
616 static inline int clear_serious(int rc)
619 rc = -(-rc & ~ESERIOUS);
623 static inline int is_serious(int rc)
625 return (rc < 0 && -rc & ESERIOUS);
629 * Unified target generic handers macros and generic functions.
631 #define TGT_RPC_HANDLER_HP(base, flags, opc, fn, hp, fmt, version) \
634 .th_fail_id = OBD_FAIL_ ## opc ## _NET, \
639 .th_version = version, \
642 #define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
643 TGT_RPC_HANDLER_HP(base, flags, opc, fn, NULL, fmt, version)
645 /* MDT Request with a format known in advance */
646 #define TGT_MDT_HDL(flags, name, fn) \
647 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
649 /* Request with a format we do not yet know */
650 #define TGT_MDT_HDL_VAR(flags, name, fn) \
651 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL, \
654 /* OST Request with a format known in advance */
655 #define TGT_OST_HDL(flags, name, fn) \
656 TGT_RPC_HANDLER(OST_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
658 #define TGT_OST_HDL_HP(flags, name, fn, hp) \
659 TGT_RPC_HANDLER_HP(OST_FIRST_OPC, flags, name, fn, hp, \
660 &RQF_ ## name, LUSTRE_OST_VERSION)
662 /* MGS request with a format known in advance */
663 #define TGT_MGS_HDL(flags, name, fn) \
664 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
666 #define TGT_MGS_HDL_VAR(flags, name, fn) \
667 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
671 * OBD handler macros and generic functions.
673 #define TGT_OBD_HDL(flags, name, fn) \
674 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
676 #define TGT_OBD_HDL_VAR(flags, name, fn) \
677 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, NULL, \
681 * DLM handler macros and generic functions.
683 #define TGT_DLM_HDL_VAR(flags, name, fn) \
684 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
686 #define TGT_DLM_HDL(flags, name, fn) \
687 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
691 * LLOG handler macros and generic functions.
693 #define TGT_LLOG_HDL_VAR(flags, name, fn) \
694 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
696 #define TGT_LLOG_HDL(flags, name, fn) \
697 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
701 * Sec context handler macros and generic functions.
703 #define TGT_SEC_HDL_VAR(flags, name, fn) \
704 TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
707 #define TGT_QUOTA_HDL(flags, name, fn) \
708 TGT_RPC_HANDLER(QUOTA_DQACQ, flags, name, fn, &RQF_ ## name, \
711 /* Sequence service handlers */
712 #define TGT_SEQ_HDL(flags, name, fn) \
713 TGT_RPC_HANDLER(SEQ_QUERY, flags, name, fn, &RQF_ ## name, \
716 /* FID Location Database handlers */
717 #define TGT_FLD_HDL_VAR(flags, name, fn) \
718 TGT_RPC_HANDLER(FLD_QUERY, flags, name, fn, NULL, \
722 #define TGT_LFSCK_HDL(flags, name, fn) \
723 TGT_RPC_HANDLER(LFSCK_FIRST_OPC, flags, name, fn, \
724 &RQF_ ## name, LUSTRE_OBD_VERSION)
726 /* Request with a format known in advance */
727 #define TGT_UPDATE_HDL(flags, name, fn) \
728 TGT_RPC_HANDLER(OUT_UPDATE, flags, name, fn, &RQF_ ## name, \
731 #endif /* __LUSTRE_LU_TARGET_H */