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 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 bitmap */
196 atomic_t lut_num_clients;
197 /* Client generation to identify client slot reuse */
198 atomic_t lut_client_generation;
199 /** reply_data file */
200 struct dt_object *lut_reply_data;
201 /** Bitmap of used slots in the reply data file */
202 unsigned long **lut_reply_bitmap;
203 /** target sync count, used for debug & test */
204 atomic_t lut_sync_count;
206 /** cross MDT locks which should trigger Sync-on-Lock-Cancel */
207 spinlock_t lut_slc_locks_guard;
208 struct list_head lut_slc_locks;
210 /* target grants fields */
211 struct tg_grants_data lut_tgd;
213 /* target tunables */
214 const struct attribute **lut_attrs;
216 /* FMD (file modification data) values */
218 time64_t lut_fmd_max_age;
221 #define LUT_FMD_MAX_NUM_DEFAULT 128
222 #define LUT_FMD_MAX_AGE_DEFAULT (obd_timeout + 10)
224 /* number of slots in reply bitmap */
225 #define LUT_REPLY_SLOTS_PER_CHUNK (1<<20)
226 #define LUT_REPLY_SLOTS_MAX_CHUNKS 16
228 #define TRD_INDEX_MEMORY -1
233 struct tg_reply_data {
234 /** chain of reply data anchored in tg_export_data */
235 struct list_head trd_list;
236 /** copy of on-disk reply data */
237 struct lsd_reply_data trd_reply;
238 /** versions for Version Based Recovery */
239 __u64 trd_pre_versions[4];
240 /** slot index in reply_data file */
242 /** tag the client used */
244 /** child fid to reconstruct open */
245 struct lu_fid trd_object;
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 /* open child object, for last_rcvd_update */
278 struct dt_object *tsi_open_obj;
279 /* opdata for mdt_reint_open(), has the same value as
280 * ldlm_reply:lock_policy_res1. The tgt_update_last_rcvd() stores
281 * this value onto disk for recovery when tgt_txn_stop_cb() is called.
286 * Additional fail id that can be set by handler.
288 int tsi_reply_fail_id;
289 bool tsi_preprocessed;
296 __u32 tsi_client_gen;
299 static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
301 struct tgt_session_info *tsi;
303 LASSERT(env->le_ses != NULL);
304 tsi = lu_context_key_get(env->le_ses, &tgt_session_key);
309 static inline void tgt_vbr_obj_set(const struct lu_env *env,
310 struct dt_object *obj)
312 struct tgt_session_info *tsi;
314 if (env->le_ses != NULL) {
315 tsi = tgt_ses_info(env);
316 tsi->tsi_vbr_obj = obj;
320 static inline void tgt_open_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_open_obj = obj;
331 static inline void tgt_opdata_set(const struct lu_env *env, __u64 flags)
333 struct tgt_session_info *tsi;
335 if (env->le_ses != NULL) {
336 tsi = tgt_ses_info(env);
337 tsi->tsi_opdata |= flags;
341 static inline void tgt_opdata_clear(const struct lu_env *env, __u64 flags)
343 struct tgt_session_info *tsi;
345 if (env->le_ses != NULL) {
346 tsi = tgt_ses_info(env);
347 tsi->tsi_opdata &= ~flags;
352 * Generic unified target support.
354 enum tgt_handler_flags {
356 * struct *_body is passed in the incoming message, and object
357 * identified by this fid exists on disk.
361 * struct ldlm_request is passed in the incoming message.
365 * this request has fixed reply format, so that reply message can be
366 * packed by generic code.
370 * this request will modify something, so check whether the file system
371 * is readonly or not, then return -EROFS to client asap if necessary.
377 /* The name of this handler. */
379 /* Fail id, check at the beginning */
383 /* Flags in enum tgt_handler_flags */
385 /* Request version for this opcode */
386 enum lustre_msg_version th_version;
387 /* Handler function */
388 int (*th_act)(struct tgt_session_info *tsi);
389 /* Handler function for high priority requests */
390 void (*th_hp)(struct tgt_session_info *tsi);
391 /* Request format for this request */
392 const struct req_format *th_fmt;
395 struct tgt_opc_slice {
396 __u32 tos_opc_start; /* First op code */
397 __u32 tos_opc_end; /* Last op code */
398 struct tgt_handler *tos_hs; /* Registered handler */
401 static inline struct ptlrpc_request *tgt_ses_req(struct tgt_session_info *tsi)
403 return tsi->tsi_pill ? tsi->tsi_pill->rc_req : NULL;
406 static inline __u64 tgt_conn_flags(struct tgt_session_info *tsi)
408 LASSERT(tsi->tsi_exp);
409 return exp_connect_flags(tsi->tsi_exp);
412 static inline int req_is_replay(struct ptlrpc_request *req)
414 LASSERT(req->rq_reqmsg);
415 return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY);
418 static inline bool tgt_is_multimodrpcs_client(struct obd_export *exp)
420 return exp_connect_flags(exp) & OBD_CONNECT_MULTIMODRPCS;
423 static inline bool tgt_is_increasing_xid_client(struct obd_export *exp)
425 return exp_connect_flags2(exp) & OBD_CONNECT2_INC_XID;
428 /* target/tgt_handler.c */
429 int tgt_request_handle(struct ptlrpc_request *req);
430 char *tgt_name(struct lu_target *tgt);
431 void tgt_counter_incr(struct obd_export *exp, int opcode);
432 int tgt_connect_check_sptlrpc(struct ptlrpc_request *req,
433 struct obd_export *exp);
434 int tgt_adapt_sptlrpc_conf(struct lu_target *tgt);
435 int tgt_connect(struct tgt_session_info *tsi);
436 int tgt_disconnect(struct tgt_session_info *uti);
437 int tgt_obd_ping(struct tgt_session_info *tsi);
438 int tgt_enqueue(struct tgt_session_info *tsi);
439 int tgt_convert(struct tgt_session_info *tsi);
440 int tgt_bl_callback(struct tgt_session_info *tsi);
441 int tgt_cp_callback(struct tgt_session_info *tsi);
442 int tgt_llog_open(struct tgt_session_info *tsi);
443 int tgt_llog_read_header(struct tgt_session_info *tsi);
444 int tgt_llog_next_block(struct tgt_session_info *tsi);
445 int tgt_llog_prev_block(struct tgt_session_info *tsi);
446 int tgt_sec_ctx_init(struct tgt_session_info *tsi);
447 int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi);
448 int tgt_sec_ctx_fini(struct tgt_session_info *tsi);
449 int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
450 int tgt_send_buffer(struct tgt_session_info *tsi, struct lu_rdbuf *rdbuf);
451 int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa);
452 int tgt_sync(const struct lu_env *env, struct lu_target *tgt,
453 struct dt_object *obj, __u64 start, __u64 end);
455 int tgt_io_thread_init(struct ptlrpc_thread *thread);
456 void tgt_io_thread_done(struct ptlrpc_thread *thread);
458 int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
459 struct lustre_handle *lh, int mode, __u64 *flags);
460 int tgt_extent_lock(const struct lu_env *env, struct ldlm_namespace *ns,
461 struct ldlm_res_id *res_id, __u64 start, __u64 end,
462 struct lustre_handle *lh, int mode, __u64 *flags);
463 void tgt_data_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
464 int tgt_brw_read(struct tgt_session_info *tsi);
465 int tgt_brw_write(struct tgt_session_info *tsi);
466 int tgt_lseek(struct tgt_session_info *tsi);
467 int tgt_hpreq_handler(struct ptlrpc_request *req);
468 void tgt_register_lfsck_in_notify_local(int (*notify)(const struct lu_env *,
470 struct lfsck_req_local *,
472 void tgt_register_lfsck_in_notify(int (*notify)(const struct lu_env *,
474 struct lfsck_request *));
475 void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
477 struct lfsck_request *,
478 struct lfsck_reply *,
479 struct lfsck_query *));
480 int req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
482 extern struct tgt_handler tgt_sec_ctx_handlers[];
483 extern struct tgt_handler tgt_lfsck_handlers[];
484 extern struct tgt_handler tgt_obd_handlers[];
485 extern struct tgt_handler tgt_dlm_handlers[];
486 extern struct tgt_handler tgt_llog_handlers[];
487 extern struct tgt_handler tgt_out_handlers[];
488 extern struct tgt_handler fld_handlers[];
489 extern struct tgt_handler seq_handlers[];
491 typedef void (*tgt_cb_t)(struct lu_target *lut, __u64 transno,
492 void *data, int err);
493 struct tgt_commit_cb {
494 tgt_cb_t tgt_cb_func;
498 int tgt_hpreq_handler(struct ptlrpc_request *req);
500 /* target/tgt_main.c */
501 void tgt_boot_epoch_update(struct lu_target *lut);
502 void tgt_save_slc_lock(struct lu_target *lut, struct ldlm_lock *lock,
504 void tgt_discard_slc_lock(struct lu_target *lut, struct ldlm_lock *lock);
505 int tgt_init(const struct lu_env *env, struct lu_target *lut,
506 struct obd_device *obd, struct dt_device *dt,
507 struct tgt_opc_slice *slice,
508 int request_fail_id, int reply_fail_id);
509 void tgt_fini(const struct lu_env *env, struct lu_target *lut);
510 int tgt_client_alloc(struct obd_export *exp);
511 void tgt_client_free(struct obd_export *exp);
512 int tgt_client_del(const struct lu_env *env, struct obd_export *exp);
513 int tgt_client_add(const struct lu_env *env, struct obd_export *exp, int);
514 int tgt_client_new(const struct lu_env *env, struct obd_export *exp);
515 int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg,
517 int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt);
518 int tgt_lookup_reply(struct ptlrpc_request *req, struct tg_reply_data *trd);
519 int tgt_mk_reply_data(const struct lu_env *env, struct lu_target *tgt,
520 struct tg_export_data *ted, struct ptlrpc_request *req,
521 __u64 opdata, struct thandle *th, bool write_update,
523 struct tg_reply_data *tgt_lookup_reply_by_xid(struct tg_export_data *ted,
525 int tgt_tunables_init(struct lu_target *lut);
526 void tgt_tunables_fini(struct lu_target *lut);
527 void tgt_mask_cksum_types(struct lu_target *lut, enum cksum_types *cksum_types);
529 /* target/tgt_grant.c */
530 static inline int exp_grant_param_supp(struct obd_export *exp)
532 return !!(exp_connect_flags(exp) & OBD_CONNECT_GRANT_PARAM);
535 /* Blocksize used for client not supporting OBD_CONNECT_GRANT_PARAM.
536 * That's 4KB=2^12 which is the biggest block size known to work whatever
537 * the client's page size is. */
538 #define COMPAT_BSIZE_SHIFT 12
540 void tgt_grant_sanity_check(struct obd_device *obd, const char *func);
541 void tgt_grant_connect(const struct lu_env *env, struct obd_export *exp,
542 struct obd_connect_data *data, bool new_conn);
543 void tgt_grant_discard(struct obd_export *exp);
544 void tgt_grant_prepare_read(const struct lu_env *env, struct obd_export *exp,
546 void tgt_grant_prepare_write(const struct lu_env *env, struct obd_export *exp,
547 struct obdo *oa, struct niobuf_remote *rnb,
549 void tgt_grant_commit(struct obd_export *exp, unsigned long grant_used, int rc);
550 int tgt_grant_commit_cb_add(struct thandle *th, struct obd_export *exp,
551 unsigned long grant);
552 long tgt_grant_create(const struct lu_env *env, struct obd_export *exp,
554 int tgt_statfs_internal(const struct lu_env *env, struct lu_target *lut,
555 struct obd_statfs *osfs, time64_t max_age,
557 ssize_t tot_dirty_show(struct kobject *kobj, struct attribute *attr,
559 ssize_t tot_granted_show(struct kobject *kobj, struct attribute *attr,
561 ssize_t tot_pending_show(struct kobject *kobj, struct attribute *attr,
563 ssize_t grant_compat_disable_show(struct kobject *kobj, struct attribute *attr,
565 ssize_t grant_compat_disable_store(struct kobject *kobj,
566 struct attribute *attr,
567 const char *buffer, size_t count);
568 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
569 ssize_t sync_lock_cancel_show(struct kobject *kobj,
570 struct attribute *attr, char *buf);
571 ssize_t sync_lock_cancel_store(struct kobject *kobj, struct attribute *attr,
572 const char *buffer, size_t count);
576 void tgt_fmd_update(struct obd_export *exp, const struct lu_fid *fid,
578 bool tgt_fmd_check(struct obd_export *exp, const struct lu_fid *fid,
581 void tgt_fmd_drop(struct obd_export *exp, const struct lu_fid *fid);
583 #define tgt_fmd_drop(exp, fid) do {} while (0)
586 /* target/update_trans.c */
587 int distribute_txn_init(const struct lu_env *env,
588 struct lu_target *lut,
589 struct target_distribute_txn_data *tdtd,
591 void distribute_txn_fini(const struct lu_env *env,
592 struct target_distribute_txn_data *tdtd);
594 /* target/update_recovery.c */
595 int insert_update_records_to_replay_list(struct target_distribute_txn_data *,
596 struct llog_update_record *,
597 struct llog_cookie *, __u32);
598 void dtrq_list_dump(struct target_distribute_txn_data *tdtd,
600 void dtrq_list_destroy(struct target_distribute_txn_data *tdtd);
601 int distribute_txn_replay_handle(struct lu_env *env,
602 struct target_distribute_txn_data *tdtd,
603 struct distribute_txn_replay_req *dtrq);
604 __u64 distribute_txn_get_next_transno(struct target_distribute_txn_data *tdtd);
605 struct distribute_txn_replay_req *
606 distribute_txn_get_next_req(struct target_distribute_txn_data *tdtd);
607 void dtrq_destroy(struct distribute_txn_replay_req *dtrq);
608 struct distribute_txn_replay_req_sub *
609 dtrq_sub_lookup(struct distribute_txn_replay_req *dtrq, __u32 mdt_index);
610 struct distribute_txn_replay_req *
611 distribute_txn_lookup_finish_list(struct target_distribute_txn_data *tdtd,
613 bool is_req_replayed_by_update(struct ptlrpc_request *req);
618 static inline int err_serious(int rc)
621 return -(-rc | ESERIOUS);
624 static inline int clear_serious(int rc)
627 rc = -(-rc & ~ESERIOUS);
631 static inline int is_serious(int rc)
633 return (rc < 0 && -rc & ESERIOUS);
637 * Unified target generic handers macros and generic functions.
639 #define TGT_RPC_HANDLER_HP(base, flags, opc, fn, hp, fmt, version) \
642 .th_fail_id = OBD_FAIL_ ## opc ## _NET, \
647 .th_version = version, \
650 #define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
651 TGT_RPC_HANDLER_HP(base, flags, opc, fn, NULL, fmt, version)
653 /* MDT Request with a format known in advance */
654 #define TGT_MDT_HDL(flags, name, fn) \
655 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
657 /* Request with a format we do not yet know */
658 #define TGT_MDT_HDL_VAR(flags, name, fn) \
659 TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL, \
662 /* OST Request with a format known in advance */
663 #define TGT_OST_HDL(flags, name, fn) \
664 TGT_RPC_HANDLER(OST_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
666 #define TGT_OST_HDL_HP(flags, name, fn, hp) \
667 TGT_RPC_HANDLER_HP(OST_FIRST_OPC, flags, name, fn, hp, \
668 &RQF_ ## name, LUSTRE_OST_VERSION)
670 /* MGS request with a format known in advance */
671 #define TGT_MGS_HDL(flags, name, fn) \
672 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
674 #define TGT_MGS_HDL_VAR(flags, name, fn) \
675 TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
679 * OBD handler macros and generic functions.
681 #define TGT_OBD_HDL(flags, name, fn) \
682 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
684 #define TGT_OBD_HDL_VAR(flags, name, fn) \
685 TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, NULL, \
689 * DLM handler macros and generic functions.
691 #define TGT_DLM_HDL_VAR(flags, name, fn) \
692 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
694 #define TGT_DLM_HDL(flags, name, fn) \
695 TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
699 * LLOG handler macros and generic functions.
701 #define TGT_LLOG_HDL_VAR(flags, name, fn) \
702 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
704 #define TGT_LLOG_HDL(flags, name, fn) \
705 TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
709 * Sec context handler macros and generic functions.
711 #define TGT_SEC_HDL_VAR(flags, name, fn) \
712 TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
715 #define TGT_QUOTA_HDL(flags, name, fn) \
716 TGT_RPC_HANDLER(QUOTA_DQACQ, flags, name, fn, &RQF_ ## name, \
719 /* Sequence service handlers */
720 #define TGT_SEQ_HDL(flags, name, fn) \
721 TGT_RPC_HANDLER(SEQ_QUERY, flags, name, fn, &RQF_ ## name, \
724 /* FID Location Database handlers */
725 #define TGT_FLD_HDL_VAR(flags, name, fn) \
726 TGT_RPC_HANDLER(FLD_QUERY, flags, name, fn, NULL, \
730 #define TGT_LFSCK_HDL(flags, name, fn) \
731 TGT_RPC_HANDLER(LFSCK_FIRST_OPC, flags, name, fn, \
732 &RQF_ ## name, LUSTRE_OBD_VERSION)
734 /* Request with a format known in advance */
735 #define TGT_UPDATE_HDL(flags, name, fn) \
736 TGT_RPC_HANDLER(OUT_UPDATE, flags, name, fn, &RQF_ ## name, \
739 #endif /* __LUSTRE_LU_TARGET_H */