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 <lustre_quota.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 int tgd_grant_compat_disable;
138 /* protect all statfs-related counters */
139 spinlock_t tgd_osfs_lock;
140 time64_t tgd_osfs_age;
142 /* counters used during statfs update, protected by ofd_osfs_lock.
143 * record when some statfs refresh are in progress */
144 int tgd_statfs_inflight;
145 /* writes between prep & commit which might be accounted twice in
146 * ofd_osfs.os_bavail */
147 u64 tgd_osfs_unstable;
148 /* track writes completed while statfs refresh is underway.
149 * tracking is only effective when ofd_statfs_inflight > 1 */
150 u64 tgd_osfs_inflight;
151 /* statfs optimization: we cache a bit */
152 struct obd_statfs tgd_osfs;
156 struct obd_device *lut_obd;
157 struct dt_device *lut_bottom;
158 struct dt_device_param lut_dt_conf;
160 struct target_distribute_txn_data *lut_tdtd;
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 /* enforce recovery for local clients */
176 lut_local_recovery:1,
177 lut_cksum_t10pi_enforce:1;
178 /* checksum types supported on this node */
179 enum cksum_types lut_cksum_types_supported;
180 /** last_rcvd file */
181 struct dt_object *lut_last_rcvd;
182 /* transaction callbacks */
183 struct dt_txn_callback lut_txn_cb;
184 /** server data in last_rcvd file */
185 struct lr_server_data lut_lsd;
186 /** Server last transaction number */
187 __u64 lut_last_transno;
188 /** Lock protecting last transaction number */
189 spinlock_t lut_translock;
190 /** Lock protecting client bitmap */
191 spinlock_t lut_client_bitmap_lock;
192 /** Bitmap of known clients */
193 unsigned long *lut_client_bitmap;
194 /* Number of clients supporting multiple modify RPCs
195 * recorded in the last_rcvd file
197 atomic_t lut_num_clients;
198 /* Client generation to identify client slot reuse */
199 atomic_t lut_client_generation;
200 /** reply_data file */
201 struct dt_object *lut_reply_data;
202 /** Bitmap of used slots in the reply data file */
203 unsigned long **lut_reply_bitmap;
204 /** target sync count, used for debug & test */
205 atomic_t lut_sync_count;
207 /** cross MDT locks which should trigger Sync-on-Lock-Cancel */
208 spinlock_t lut_slc_locks_guard;
209 struct list_head lut_slc_locks;
211 /* target grants fields */
212 struct tg_grants_data lut_tgd;
214 /* target tunables */
215 const struct attribute **lut_attrs;
217 /* FMD (file modification data) values */
219 time64_t lut_fmd_max_age;
222 #define LUT_FMD_MAX_NUM_DEFAULT 128
223 #define LUT_FMD_MAX_AGE_DEFAULT (obd_timeout + 10)
225 /* number of slots in reply bitmap */
226 #define LUT_REPLY_SLOTS_PER_CHUNK (1<<20)
227 #define LUT_REPLY_SLOTS_MAX_CHUNKS 16
229 #define TRD_INDEX_MEMORY -1
234 struct tg_reply_data {
235 /** chain of reply data anchored in tg_export_data */
236 struct list_head trd_list;
237 /** copy of on-disk reply data */
238 struct lsd_reply_data trd_reply;
239 /** versions for Version Based Recovery */
240 __u64 trd_pre_versions[4];
241 /** slot index in reply_data file */
243 /** tag the client used */
245 /** child fid to reconstruct open */
246 struct lu_fid trd_object;
249 extern struct lu_context_key tgt_session_key;
251 struct tgt_session_info {
253 * The following members will be filled explicitly
254 * with specific data in tgt_ses_init().
256 struct req_capsule *tsi_pill;
259 * Lock request for "habeo clavis" operations.
261 struct ldlm_request *tsi_dlm_req;
263 /* although we have export in req, there are cases when it is not
264 * available, e.g. closing files upon export destroy */
265 struct obd_export *tsi_exp;
266 const struct lu_env *tsi_env;
267 struct lu_target *tsi_tgt;
269 const struct mdt_body *tsi_mdt_body;
270 struct ost_body *tsi_ost_body;
271 struct lu_object *tsi_corpus;
273 struct lu_fid tsi_fid;
274 struct ldlm_res_id tsi_resid;
276 /* object affected by VBR, for last_rcvd_update */
277 struct dt_object *tsi_vbr_obj;
278 /* open child object, for last_rcvd_update */
279 struct dt_object *tsi_open_obj;
280 /* opdata for mdt_reint_open(), has the same value as
281 * ldlm_reply:lock_policy_res1. The tgt_update_last_rcvd() stores
282 * this value onto disk for recovery when tgt_txn_stop_cb() is called.
287 * Additional fail id that can be set by handler.
289 int tsi_reply_fail_id;
290 bool tsi_preprocessed;
297 __u32 tsi_client_gen;
299 /* RPC transaction handling */
303 /* Batched RPC replay */
305 /* Sub request index in the batched RPC. */
307 struct tg_reply_data *tsi_batch_trd;
310 static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
312 struct tgt_session_info *tsi;
314 LASSERT(env->le_ses != NULL);
315 tsi = lu_context_key_get(env->le_ses, &tgt_session_key);
320 static inline void tgt_vbr_obj_set(const struct lu_env *env,
321 struct dt_object *obj)
323 struct tgt_session_info *tsi;
325 if (env->le_ses != NULL) {
326 tsi = tgt_ses_info(env);
327 tsi->tsi_vbr_obj = obj;
331 static inline void tgt_open_obj_set(const struct lu_env *env,
332 struct dt_object *obj)
334 struct tgt_session_info *tsi;
336 if (env->le_ses != NULL) {
337 tsi = tgt_ses_info(env);
338 tsi->tsi_open_obj = obj;
342 static inline void tgt_opdata_set(const struct lu_env *env, __u64 flags)
344 struct tgt_session_info *tsi;
346 if (env->le_ses != NULL) {
347 tsi = tgt_ses_info(env);
348 tsi->tsi_opdata |= flags;
352 static inline void tgt_opdata_clear(const struct lu_env *env, __u64 flags)
354 struct tgt_session_info *tsi;
356 if (env->le_ses != NULL) {
357 tsi = tgt_ses_info(env);
358 tsi->tsi_opdata &= ~flags;
363 * Generic unified target support.
365 enum tgt_handler_flags {
367 * struct *_body is passed in the incoming message, and object
368 * identified by this fid exists on disk.
372 * struct ldlm_request is passed in the incoming message.
376 * this request has fixed reply format, so that reply message can be
377 * packed by generic code.
381 * this request will modify something, so check whether the file system
382 * is readonly or not, then return -EROFS to client asap if necessary.
388 /* The name of this handler. */
390 /* Fail id, check at the beginning */
394 /* Flags in enum tgt_handler_flags */
396 /* Request version for this opcode */
397 enum lustre_msg_version th_version;
398 /* Handler function */
399 int (*th_act)(struct tgt_session_info *tsi);
400 /* Handler function for high priority requests */
401 void (*th_hp)(struct tgt_session_info *tsi);
402 /* Request format for this request */
403 const struct req_format *th_fmt;
406 struct tgt_opc_slice {
407 __u32 tos_opc_start; /* First op code */
408 __u32 tos_opc_end; /* Last op code */
409 struct tgt_handler *tos_hs; /* Registered handler */
412 static inline struct ptlrpc_request *tgt_ses_req(struct tgt_session_info *tsi)
414 return tsi->tsi_pill ? tsi->tsi_pill->rc_req : NULL;
417 static inline __u64 tgt_conn_flags(struct tgt_session_info *tsi)
419 LASSERT(tsi->tsi_exp);
420 return exp_connect_flags(tsi->tsi_exp);
423 static inline int req_is_replay(struct ptlrpc_request *req)
425 LASSERT(req->rq_reqmsg);
426 return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY);
429 static inline bool tgt_is_multimodrpcs_client(struct obd_export *exp)
431 return exp_connect_flags(exp) & OBD_CONNECT_MULTIMODRPCS;
434 static inline bool tgt_is_increasing_xid_client(struct obd_export *exp)
436 return exp_connect_flags2(exp) & OBD_CONNECT2_INC_XID;
439 /* target/tgt_handler.c */
440 int tgt_request_handle(struct ptlrpc_request *req);
441 char *tgt_name(struct lu_target *tgt);
442 void tgt_counter_incr(struct obd_export *exp, int opcode);
443 int tgt_connect_check_sptlrpc(struct ptlrpc_request *req,
444 struct obd_export *exp);
445 int tgt_adapt_sptlrpc_conf(struct lu_target *tgt);
446 int tgt_connect(struct tgt_session_info *tsi);
447 int tgt_disconnect(struct tgt_session_info *uti);
448 int tgt_obd_ping(struct tgt_session_info *tsi);
449 int tgt_enqueue(struct tgt_session_info *tsi);
450 int tgt_convert(struct tgt_session_info *tsi);
451 int tgt_bl_callback(struct tgt_session_info *tsi);
452 int tgt_cp_callback(struct tgt_session_info *tsi);
453 int tgt_llog_open(struct tgt_session_info *tsi);
454 int tgt_llog_read_header(struct tgt_session_info *tsi);
455 int tgt_llog_next_block(struct tgt_session_info *tsi);
456 int tgt_llog_prev_block(struct tgt_session_info *tsi);
457 int tgt_sec_ctx_init(struct tgt_session_info *tsi);
458 int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi);
459 int tgt_sec_ctx_fini(struct tgt_session_info *tsi);
460 int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
461 int tgt_send_buffer(struct tgt_session_info *tsi, struct lu_rdbuf *rdbuf);
462 int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa);
463 int tgt_sync(const struct lu_env *env, struct lu_target *tgt,
464 struct dt_object *obj, __u64 start, __u64 end);
466 int tgt_io_thread_init(struct ptlrpc_thread *thread);
467 void tgt_io_thread_done(struct ptlrpc_thread *thread);
469 int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
470 struct lustre_handle *lh, int mode, __u64 *flags);
471 int tgt_extent_lock(const struct lu_env *env, struct ldlm_namespace *ns,
472 struct ldlm_res_id *res_id, __u64 start, __u64 end,
473 struct lustre_handle *lh, int mode, __u64 *flags);
474 void tgt_data_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
475 int tgt_brw_read(struct tgt_session_info *tsi);
476 int tgt_brw_write(struct tgt_session_info *tsi);
477 int tgt_lseek(struct tgt_session_info *tsi);
478 int tgt_hpreq_handler(struct ptlrpc_request *req);
479 void tgt_register_lfsck_in_notify_local(int (*notify)(const struct lu_env *,
481 struct lfsck_req_local *,
483 void tgt_register_lfsck_in_notify(int (*notify)(const struct lu_env *,
485 struct lfsck_request *));
486 void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
488 struct lfsck_request *,
489 struct lfsck_reply *,
490 struct lfsck_query *));
491 int req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
492 bool tgt_check_resent(struct ptlrpc_request *req, struct tg_reply_data *trd);
494 extern struct tgt_handler tgt_sec_ctx_handlers[];
495 extern struct tgt_handler tgt_lfsck_handlers[];
496 extern struct tgt_handler tgt_obd_handlers[];
497 extern struct tgt_handler tgt_dlm_handlers[];
498 extern struct tgt_handler tgt_llog_handlers[];
499 extern struct tgt_handler tgt_out_handlers[];
500 extern struct tgt_handler fld_handlers[];
501 extern struct tgt_handler seq_handlers[];
503 typedef void (*tgt_cb_t)(struct lu_target *lut, __u64 transno,
504 void *data, int err);
505 struct tgt_commit_cb {
506 tgt_cb_t tgt_cb_func;
510 int tgt_hpreq_handler(struct ptlrpc_request *req);
512 /* target/tgt_main.c */
513 void tgt_boot_epoch_update(struct lu_target *lut);
514 void tgt_save_slc_lock(struct lu_target *lut, struct ldlm_lock *lock,
516 void tgt_discard_slc_lock(struct lu_target *lut, struct ldlm_lock *lock);
517 int tgt_init(const struct lu_env *env, struct lu_target *lut,
518 struct obd_device *obd, struct dt_device *dt,
519 struct tgt_opc_slice *slice,
520 int request_fail_id, int reply_fail_id);
521 void tgt_fini(const struct lu_env *env, struct lu_target *lut);
522 int tgt_client_alloc(struct obd_export *exp);
523 void tgt_client_free(struct obd_export *exp);
524 int tgt_client_del(const struct lu_env *env, struct obd_export *exp);
525 int tgt_client_add(const struct lu_env *env, struct obd_export *exp, int);
526 int tgt_client_new(const struct lu_env *env, struct obd_export *exp);
527 int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg,
529 int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt);
530 int tgt_lookup_reply(struct ptlrpc_request *req, struct tg_reply_data *trd);
531 int tgt_mk_reply_data(const struct lu_env *env, struct lu_target *tgt,
532 struct tg_export_data *ted, struct ptlrpc_request *req,
533 __u64 opdata, struct thandle *th, bool write_update,
535 struct tg_reply_data *tgt_lookup_reply_by_xid(struct tg_export_data *ted,
537 int tgt_tunables_init(struct lu_target *lut);
538 void tgt_tunables_fini(struct lu_target *lut);
539 void tgt_mask_cksum_types(struct lu_target *lut, enum cksum_types *cksum_types);
541 /* target/tgt_grant.c */
542 static inline int exp_grant_param_supp(struct obd_export *exp)
544 return !!(exp_connect_flags(exp) & OBD_CONNECT_GRANT_PARAM);
547 /* Blocksize used for client not supporting OBD_CONNECT_GRANT_PARAM.
548 * That's 4KB=2^12 which is the biggest block size known to work whatever
549 * the client's page size is. */
550 #define COMPAT_BSIZE_SHIFT 12
552 void tgt_grant_sanity_check(struct obd_device *obd, const char *func);
553 void tgt_grant_connect(const struct lu_env *env, struct obd_export *exp,
554 struct obd_connect_data *data, bool new_conn);
555 void tgt_grant_discard(struct obd_export *exp);
556 void tgt_grant_prepare_read(const struct lu_env *env, struct obd_export *exp,
558 void tgt_grant_prepare_write(const struct lu_env *env, struct obd_export *exp,
559 struct obdo *oa, struct niobuf_remote *rnb,
561 void tgt_grant_commit(struct obd_export *exp, unsigned long grant_used, int rc);
562 int tgt_grant_commit_cb_add(struct thandle *th, struct obd_export *exp,
563 unsigned long grant);
564 long tgt_grant_create(const struct lu_env *env, struct obd_export *exp,
566 int tgt_statfs_internal(const struct lu_env *env, struct lu_target *lut,
567 struct obd_statfs *osfs, time64_t max_age,
569 ssize_t tot_dirty_show(struct kobject *kobj, struct attribute *attr,
571 ssize_t tot_granted_show(struct kobject *kobj, struct attribute *attr,
573 ssize_t tot_pending_show(struct kobject *kobj, struct attribute *attr,
575 ssize_t grant_compat_disable_show(struct kobject *kobj, struct attribute *attr,
577 ssize_t grant_compat_disable_store(struct kobject *kobj,
578 struct attribute *attr,
579 const char *buffer, size_t count);
580 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
581 ssize_t sync_lock_cancel_show(struct kobject *kobj,
582 struct attribute *attr, char *buf);
583 ssize_t sync_lock_cancel_store(struct kobject *kobj, struct attribute *attr,
584 const char *buffer, size_t count);
588 void tgt_fmd_update(struct obd_export *exp, const struct lu_fid *fid,
590 bool tgt_fmd_check(struct obd_export *exp, const struct lu_fid *fid,
593 void tgt_fmd_drop(struct obd_export *exp, const struct lu_fid *fid);
595 #define tgt_fmd_drop(exp, fid) do {} while (0)
598 /* target/update_trans.c */
599 int distribute_txn_init(const struct lu_env *env,
600 struct lu_target *lut,
601 struct target_distribute_txn_data *tdtd,
603 void distribute_txn_fini(const struct lu_env *env,
604 struct target_distribute_txn_data *tdtd);
606 /* target/update_recovery.c */
607 int insert_update_records_to_replay_list(struct target_distribute_txn_data *,
608 struct llog_update_record *,
609 struct llog_cookie *, __u32);
610 void dtrq_list_dump(struct target_distribute_txn_data *tdtd,
612 void dtrq_list_destroy(struct target_distribute_txn_data *tdtd);
613 int distribute_txn_replay_handle(struct lu_env *env,
614 struct target_distribute_txn_data *tdtd,
615 struct distribute_txn_replay_req *dtrq);
616 __u64 distribute_txn_get_next_transno(struct target_distribute_txn_data *tdtd);
617 struct distribute_txn_replay_req *
618 distribute_txn_get_next_req(struct target_distribute_txn_data *tdtd);
619 void dtrq_destroy(struct distribute_txn_replay_req *dtrq);
620 struct distribute_txn_replay_req_sub *
621 dtrq_sub_lookup(struct distribute_txn_replay_req *dtrq, __u32 mdt_index);
622 struct distribute_txn_replay_req *
623 distribute_txn_lookup_finish_list(struct target_distribute_txn_data *tdtd,
625 bool is_req_replayed_by_update(struct ptlrpc_request *req);
630 static inline int err_serious(int rc)
633 return -(-rc | ESERIOUS);
636 static inline int clear_serious(int rc)
639 rc = -(-rc & ~ESERIOUS);
643 static inline int is_serious(int rc)
645 return (rc < 0 && -rc & ESERIOUS);
649 * Unified target generic handers macros and generic functions.
651 #define TGT_RPC_HANDLER_HP(base, flags, opc, fn, hp, fmt, version) \
654 .th_fail_id = OBD_FAIL_ ## opc ## _NET, \
659 .th_version = version, \
662 #define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
663 TGT_RPC_HANDLER_HP(base, flags, opc, fn, NULL, fmt, version)
665 /* MDT Request with a format known in advance */
666 #define TGT_MDT_HDL(flags, name, fn) \
667 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
669 /* Request with a format we do not yet know */
670 #define TGT_MDT_HDL_VAR(flags, name, fn) \
671 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL, \
674 /* OST Request with a format known in advance */
675 #define TGT_OST_HDL(flags, name, fn) \
676 TGT_RPC_HANDLER(OST_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
678 #define TGT_OST_HDL_HP(flags, name, fn, hp) \
679 TGT_RPC_HANDLER_HP(OST_FIRST_OPC, flags, name, fn, hp, \
680 &RQF_ ## name, LUSTRE_OST_VERSION)
682 /* MGS request with a format known in advance */
683 #define TGT_MGS_HDL(flags, name, fn) \
684 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
686 #define TGT_MGS_HDL_VAR(flags, name, fn) \
687 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
691 * OBD handler macros and generic functions.
693 #define TGT_OBD_HDL(flags, name, fn) \
694 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
696 #define TGT_OBD_HDL_VAR(flags, name, fn) \
697 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, NULL, \
701 * DLM handler macros and generic functions.
703 #define TGT_DLM_HDL_VAR(flags, name, fn) \
704 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
706 #define TGT_DLM_HDL(flags, name, fn) \
707 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
711 * LLOG handler macros and generic functions.
713 #define TGT_LLOG_HDL_VAR(flags, name, fn) \
714 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
716 #define TGT_LLOG_HDL(flags, name, fn) \
717 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
721 * Sec context handler macros and generic functions.
723 #define TGT_SEC_HDL_VAR(flags, name, fn) \
724 TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
727 #define TGT_QUOTA_HDL(flags, name, fn) \
728 TGT_RPC_HANDLER(QUOTA_DQACQ, flags, name, fn, &RQF_ ## name, \
731 /* Sequence service handlers */
732 #define TGT_SEQ_HDL(flags, name, fn) \
733 TGT_RPC_HANDLER(SEQ_QUERY, flags, name, fn, &RQF_ ## name, \
736 /* FID Location Database handlers */
737 #define TGT_FLD_HDL_VAR(flags, name, fn) \
738 TGT_RPC_HANDLER(FLD_QUERY, flags, name, fn, NULL, \
742 #define TGT_LFSCK_HDL(flags, name, fn) \
743 TGT_RPC_HANDLER(LFSCK_FIRST_OPC, flags, name, fn, \
744 &RQF_ ## name, LUSTRE_OBD_VERSION)
746 /* Request with a format known in advance */
747 #define TGT_UPDATE_HDL(flags, name, fn) \
748 TGT_RPC_HANDLER(OUT_UPDATE, flags, name, fn, &RQF_ ## name, \
751 #endif /* __LUSTRE_LU_TARGET_H */