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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/osp/osp_internal.h
34 * Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
37 #ifndef _OSP_INTERNAL_H
38 #define _OSP_INTERNAL_H
41 #include <obd_class.h>
42 #include <dt_object.h>
43 #include <md_object.h>
44 #include <lustre_fid.h>
45 #include <lustre_update.h>
46 #include <lu_target.h>
47 #include <lustre_mdc.h>
50 * Infrastructure to support tracking of last committed llog record
52 struct osp_id_tracker {
55 __u64 otr_committed_id;
56 /* callback is register once per diskfs -- that's the whole point */
57 struct dt_txn_callback otr_tx_cb;
58 /* single node can run many clusters */
59 struct list_head otr_wakeup_list;
60 struct list_head otr_list;
61 /* underlying shared device */
62 struct dt_device *otr_dev;
63 /* how many users of this tracker */
64 atomic_t otr_refcount;
67 struct osp_precreate {
71 spinlock_t osp_pre_lock;
73 /* last fid to assign in creation */
74 struct lu_fid osp_pre_used_fid;
75 /* last created id OST reported, next-created - available id's */
76 struct lu_fid osp_pre_last_created_fid;
77 /* how many ids are reserved in declare, we shouldn't block in create */
78 __u64 osp_pre_reserved;
79 /* consumers (who needs new ids) wait here */
80 wait_queue_head_t osp_pre_user_waitq;
81 /* current precreation status: working, failed, stopping? */
83 /* how many objects to precreate next time */
84 int osp_pre_create_count;
85 int osp_pre_min_create_count;
86 int osp_pre_max_create_count;
87 /* whether to increase precreation window next time or not */
88 int osp_pre_create_slow;
89 /* cleaning up orphans or recreating missing objects */
90 int osp_pre_recovering;
91 int osp_pre_delorphan_sent;
94 struct osp_update_request_sub {
95 struct object_update_request *ours_req; /* may be vmalloc'd */
97 /* Linked to osp_update_request->our_req_list */
98 struct list_head ours_list;
101 struct osp_update_request {
103 /* update request result */
106 /* List of osp_update_request_sub */
107 struct list_head our_req_list;
111 struct list_head our_cb_items;
112 struct list_head our_invalidate_cb_list;
114 /* points to thandle if this update request belongs to one */
115 struct osp_thandle *our_th;
118 /* protect our_list and flag */
119 spinlock_t our_list_lock;
120 /* linked to the list(ou_list) in osp_updates */
121 struct list_head our_list;
123 __u32 our_req_ready:1;
128 struct list_head ou_list;
130 wait_queue_head_t ou_waitq;
131 /* wait for next updates */
132 __u64 ou_rpc_version;
137 struct dt_device opd_dt_dev;
138 /* corresponded OST index */
141 /* corrsponded MDT index, which will be used when connecting to OST
142 * for validating the connection (see ofd_parse_connect_data) */
144 /* device used to store persistent state (llogs, last ids) */
145 struct obd_export *opd_storage_exp;
146 struct dt_device *opd_storage;
147 struct dt_object *opd_last_used_oid_file;
148 struct dt_object *opd_last_used_seq_file;
150 /* stored persistently in LE format, updated directly to/from disk
151 * and required le64_to_cpu() conversion before use.
152 * Protected by opd_pre_lock */
153 struct lu_fid opd_last_used_fid;
154 struct lu_fid opd_gap_start_fid;
156 /* connection to OST */
157 struct obd_device *opd_obd;
158 struct obd_export *opd_exp;
159 struct obd_uuid opd_cluuid;
160 struct obd_connect_data *opd_connect_data;
162 struct proc_dir_entry *opd_proc_entry;
163 struct lprocfs_stats *opd_stats;
164 /* connection status. */
165 unsigned int opd_new_connection:1,
166 opd_got_disconnected:1,
169 opd_imp_seen_connected:1,
172 /* whether local recovery is completed:
173 * reported via ->ldo_recovery_complete() */
174 int opd_recovery_completed;
176 /* precreate structure for OSP */
177 struct osp_precreate *opd_pre;
178 /* dedicate precreate thread */
179 struct ptlrpc_thread opd_pre_thread;
180 /* thread waits for signals about pool going empty */
181 wait_queue_head_t opd_pre_waitq;
183 /* send update thread */
184 struct osp_updates *opd_update;
185 /* dedicate update thread */
186 struct ptlrpc_thread opd_update_thread;
189 * OST synchronization
191 spinlock_t opd_syn_lock;
192 /* unique generation, to recognize start of new records in the llog */
193 struct llog_gen opd_syn_generation;
194 /* number of changes to sync, used to wake up sync thread */
195 atomic_t opd_syn_changes;
196 /* processing of changes from previous mount is done? */
197 int opd_syn_prev_done;
199 struct ptlrpc_thread opd_syn_thread;
200 wait_queue_head_t opd_syn_waitq;
201 /* list of inflight rpc */
202 struct list_head opd_syn_inflight_list;
203 /* list of remotely committed rpc */
204 struct list_head opd_syn_committed_there;
205 /* number of changes being under sync */
206 int opd_syn_sync_in_progress;
207 /* number of RPCs in flight - flow control */
208 atomic_t opd_syn_rpc_in_flight;
209 int opd_syn_max_rpc_in_flight;
210 /* number of RPC in processing (including non-committed by OST) */
211 atomic_t opd_syn_rpc_in_progress;
212 int opd_syn_max_rpc_in_progress;
213 /* osd api's commit cb control structure */
214 struct dt_txn_callback opd_syn_txn_cb;
215 /* last used change number -- semantically similar to transno */
216 __u64 opd_syn_last_used_id;
217 /* last committed change number -- semantically similar to
219 __u64 opd_syn_last_committed_id;
220 /* last processed (taken from llog) id */
221 volatile __u64 opd_syn_last_processed_id;
222 struct osp_id_tracker *opd_syn_tracker;
223 struct list_head opd_syn_ontrack;
224 /* stop processing new requests until barrier=0 */
225 atomic_t opd_syn_barrier;
226 wait_queue_head_t opd_syn_barrier_waitq;
229 * statfs related fields: OSP maintains it on its own
231 struct obd_statfs opd_statfs;
232 cfs_time_t opd_statfs_fresh_till;
233 struct timer_list opd_statfs_timer;
234 int opd_statfs_update_in_progress;
235 /* how often to update statfs data */
236 int opd_statfs_maxage;
238 struct proc_dir_entry *opd_symlink;
240 /* If the caller wants to do some idempotent async operations on
241 * remote server, it can append the async remote requests on the
242 * osp_device::opd_async_requests via declare() functions, these
243 * requests can be packed together and sent to the remote server
244 * via single OUT RPC later. */
245 struct osp_update_request *opd_async_requests;
246 /* Protect current operations on opd_async_requests. */
247 struct mutex opd_async_requests_mutex;
248 struct list_head opd_async_updates;
249 struct rw_semaphore opd_async_updates_rwsem;
250 atomic_t opd_async_updates_count;
253 * Limit the object allocation using ENOSPC for opd_pre_status
255 int opd_reserved_mb_high;
256 int opd_reserved_mb_low;
259 #define opd_pre_lock opd_pre->osp_pre_lock
260 #define opd_pre_used_fid opd_pre->osp_pre_used_fid
261 #define opd_pre_last_created_fid opd_pre->osp_pre_last_created_fid
262 #define opd_pre_reserved opd_pre->osp_pre_reserved
263 #define opd_pre_user_waitq opd_pre->osp_pre_user_waitq
264 #define opd_pre_status opd_pre->osp_pre_status
265 #define opd_pre_create_count opd_pre->osp_pre_create_count
266 #define opd_pre_min_create_count opd_pre->osp_pre_min_create_count
267 #define opd_pre_max_create_count opd_pre->osp_pre_max_create_count
268 #define opd_pre_create_slow opd_pre->osp_pre_create_slow
269 #define opd_pre_recovering opd_pre->osp_pre_recovering
271 extern struct kmem_cache *osp_object_kmem;
273 /* The first part of oxe_buf is xattr name, and is '\0' terminated.
274 * The left part is for value, binary mode. */
275 struct osp_xattr_entry {
276 struct list_head oxe_list;
282 unsigned int oxe_exist:1,
287 /* this is a top object */
289 struct lu_object_header opo_header;
290 struct dt_object opo_obj;
291 unsigned int opo_reserved:1,
295 /* read/write lock for md osp object */
296 struct rw_semaphore opo_sem;
297 const struct lu_env *opo_owner;
298 struct lu_attr opo_attr;
299 struct list_head opo_xattr_list;
300 struct list_head opo_invalidate_cb_list;
301 /* Protect opo_ooa. */
305 extern struct lu_object_operations osp_lu_obj_ops;
306 extern const struct dt_device_operations osp_dt_ops;
307 extern struct dt_object_operations osp_md_obj_ops;
308 extern struct dt_body_operations osp_md_body_ops;
310 struct osp_thread_info {
311 struct lu_buf osi_lb;
312 struct lu_buf osi_lb2;
313 struct lu_fid osi_fid;
314 struct lu_attr osi_attr;
315 struct ost_id osi_oi;
316 struct ost_id osi_oi2;
320 struct llog_rec_hdr osi_hdr;
321 struct llog_unlink64_rec osi_unlink;
322 struct llog_setattr64_rec osi_setattr;
323 struct llog_gen_rec osi_gen;
325 struct llog_cookie osi_cookie;
326 struct llog_catid osi_cid;
327 struct lu_seq_range osi_seq;
328 struct ldlm_res_id osi_resid;
329 struct obdo osi_obdo;
332 /* Iterator for OSP */
335 __u32 ooi_pos_lu_page;
338 int ooi_total_npages;
339 int ooi_valid_npages;
340 unsigned int ooi_swab:1;
342 struct dt_object *ooi_obj;
344 struct page *ooi_cur_page;
345 struct lu_idxpage *ooi_cur_idxpage;
346 struct page **ooi_pages;
349 #define OSP_THANDLE_MAGIC 0x20141214
351 struct thandle ot_super;
353 /* OSP will use this thandle to update last oid*/
354 struct thandle *ot_storage_th;
356 struct list_head ot_commit_dcb_list;
357 struct list_head ot_stop_dcb_list;
358 struct osp_update_request *ot_our;
359 atomic_t ot_refcount;
362 static inline struct osp_thandle *
363 thandle_to_osp_thandle(struct thandle *th)
365 return container_of(th, struct osp_thandle, ot_super);
368 static inline struct osp_update_request *
369 thandle_to_osp_update_request(struct thandle *th)
371 struct osp_thandle *oth;
373 oth = thandle_to_osp_thandle(th);
377 /* The transaction only include the updates on the remote node, and
378 * no local updates at all */
379 static inline bool is_only_remote_trans(struct thandle *th)
381 return th->th_top == NULL;
384 static inline void osp_objid_buf_prep(struct lu_buf *buf, loff_t *off,
385 __u32 *id, int index)
387 /* Note: through id is only 32 bits, it will also write 64 bits
388 * for oid to keep compatibility with the previous version. */
389 buf->lb_buf = (void *)id;
390 buf->lb_len = sizeof(u64);
391 *off = sizeof(u64) * index;
394 static inline void osp_objseq_buf_prep(struct lu_buf *buf, loff_t *off,
395 __u64 *seq, int index)
397 buf->lb_buf = (void *)seq;
398 buf->lb_len = sizeof(u64);
399 *off = sizeof(u64) * index;
402 static inline void osp_buf_prep(struct lu_buf *lb, void *buf, int buf_len)
405 lb->lb_len = buf_len;
408 extern struct lu_context_key osp_thread_key;
410 static inline struct osp_thread_info *osp_env_info(const struct lu_env *env)
412 struct osp_thread_info *info;
414 info = lu_context_key_get(&env->le_ctx, &osp_thread_key);
416 lu_env_refill((struct lu_env *)env);
417 info = lu_context_key_get(&env->le_ctx, &osp_thread_key);
423 struct osp_txn_info {
424 __u64 oti_current_id;
427 extern struct lu_context_key osp_txn_key;
429 static inline struct osp_txn_info *osp_txn_info(struct lu_context *ctx)
431 struct osp_txn_info *info;
433 info = lu_context_key_get(ctx, &osp_txn_key);
437 extern const struct lu_device_operations osp_lu_ops;
439 static inline int lu_device_is_osp(struct lu_device *d)
441 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osp_lu_ops);
444 static inline struct osp_device *lu2osp_dev(struct lu_device *d)
446 LASSERT(lu_device_is_osp(d));
447 return container_of0(d, struct osp_device, opd_dt_dev.dd_lu_dev);
450 static inline struct lu_device *osp2lu_dev(struct osp_device *d)
452 return &d->opd_dt_dev.dd_lu_dev;
455 static inline struct osp_device *dt2osp_dev(struct dt_device *d)
457 LASSERT(lu_device_is_osp(&d->dd_lu_dev));
458 return container_of0(d, struct osp_device, opd_dt_dev);
461 static inline struct osp_object *lu2osp_obj(struct lu_object *o)
463 LASSERT(ergo(o != NULL, lu_device_is_osp(o->lo_dev)));
464 return container_of0(o, struct osp_object, opo_obj.do_lu);
467 static inline struct lu_object *osp2lu_obj(struct osp_object *obj)
469 return &obj->opo_obj.do_lu;
472 static inline struct osp_object *osp_obj(const struct lu_object *o)
474 LASSERT(lu_device_is_osp(o->lo_dev));
475 return container_of0(o, struct osp_object, opo_obj.do_lu);
478 static inline struct osp_object *dt2osp_obj(const struct dt_object *d)
480 return osp_obj(&d->do_lu);
483 static inline struct dt_object *osp_object_child(struct osp_object *o)
485 return container_of0(lu_object_next(osp2lu_obj(o)),
486 struct dt_object, do_lu);
489 static inline struct seq_server_site *osp_seq_site(struct osp_device *osp)
491 return osp->opd_dt_dev.dd_lu_dev.ld_site->ld_seq_site;
494 #define osp_init_rpc_lock(lck) mdc_init_rpc_lock(lck)
496 static inline void osp_get_rpc_lock(struct osp_device *osp)
498 struct mdc_rpc_lock *rpc_lock = osp->opd_obd->u.cli.cl_rpc_lock;
500 mdc_get_rpc_lock(rpc_lock, NULL);
503 static inline void osp_put_rpc_lock(struct osp_device *osp)
505 struct mdc_rpc_lock *rpc_lock = osp->opd_obd->u.cli.cl_rpc_lock;
507 mdc_put_rpc_lock(rpc_lock, NULL);
510 static inline int osp_fid_diff(const struct lu_fid *fid1,
511 const struct lu_fid *fid2)
513 /* In 2.6+ ost_idx is packed into IDIF FID, while in 2.4 and 2.5 IDIF
514 * is always FID_SEQ_IDIF(0x100000000ULL), which does not include OST
515 * index in the seq. So we can not compare IDIF FID seq here */
516 if (fid_is_idif(fid1) && fid_is_idif(fid2)) {
517 __u32 ost_idx1 = fid_idif_ost_idx(fid1);
518 __u32 ost_idx2 = fid_idif_ost_idx(fid2);
520 LASSERTF(ost_idx1 == 0 || ost_idx2 == 0 || ost_idx1 == ost_idx2,
521 "fid1: "DFID", fid2: "DFID"\n", PFID(fid1),
524 return fid_idif_id(fid1->f_seq, fid1->f_oid, 0) -
525 fid_idif_id(fid2->f_seq, fid2->f_oid, 0);
528 LASSERTF(fid_seq(fid1) == fid_seq(fid2), "fid1:"DFID
529 ", fid2:"DFID"\n", PFID(fid1), PFID(fid2));
531 return fid_oid(fid1) - fid_oid(fid2);
535 static inline void osp_update_last_fid(struct osp_device *d, struct lu_fid *fid)
537 int diff = osp_fid_diff(fid, &d->opd_last_used_fid);
539 * we might have lost precreated objects due to VBR and precreate
540 * orphans, the gap in objid can be calculated properly only here
544 d->opd_gap_start_fid = d->opd_last_used_fid;
545 d->opd_gap_start_fid.f_oid++;
546 d->opd_gap_count = diff - 1;
547 CDEBUG(D_HA, "Gap in objids: start="DFID", count =%d\n",
548 PFID(&d->opd_gap_start_fid), d->opd_gap_count);
550 d->opd_last_used_fid = *fid;
554 static int osp_fid_end_seq(const struct lu_env *env, struct lu_fid *fid)
556 if (fid_is_idif(fid)) {
557 struct osp_thread_info *info = osp_env_info(env);
558 struct ost_id *oi = &info->osi_oi;
560 fid_to_ostid(fid, oi);
561 return ostid_id(oi) == IDIF_MAX_OID;
563 return fid_oid(fid) == LUSTRE_DATA_SEQ_MAX_WIDTH;
567 static inline int osp_precreate_end_seq_nolock(const struct lu_env *env,
568 struct osp_device *osp)
570 struct lu_fid *fid = &osp->opd_pre_last_created_fid;
572 return osp_fid_end_seq(env, fid);
575 static inline int osp_precreate_end_seq(const struct lu_env *env,
576 struct osp_device *osp)
580 spin_lock(&osp->opd_pre_lock);
581 rc = osp_precreate_end_seq_nolock(env, osp);
582 spin_unlock(&osp->opd_pre_lock);
586 static inline int osp_is_fid_client(struct osp_device *osp)
588 struct obd_import *imp = osp->opd_obd->u.cli.cl_import;
590 return imp->imp_connect_data.ocd_connect_flags & OBD_CONNECT_FID;
593 struct object_update *
594 update_buffer_get_update(struct object_update_request *request,
597 int osp_extend_update_buffer(const struct lu_env *env,
598 struct osp_update_request *our);
600 struct osp_update_request_sub *
601 osp_current_object_update_request(struct osp_update_request *our);
603 int osp_object_update_request_create(struct osp_update_request *our,
606 #define osp_update_rpc_pack(env, name, our, op, ...) \
608 struct object_update *object_update; \
609 size_t max_update_length; \
610 struct osp_update_request_sub *ours; \
614 ours = osp_current_object_update_request(our); \
615 LASSERT(ours != NULL); \
616 max_update_length = ours->ours_req_size - \
617 object_update_request_size(ours->ours_req); \
619 object_update = update_buffer_get_update(ours->ours_req,\
620 ours->ours_req->ourq_count); \
621 ret = out_##name##_pack(env, object_update, \
622 &max_update_length, \
624 if (ret == -E2BIG) { \
626 /* Create new object update request */ \
627 rc1 = osp_object_update_request_create(our, \
628 max_update_length + \
629 offsetof(struct object_update_request, \
630 ourq_updates[0]) + 1); \
638 ours->ours_req->ourq_count++; \
639 (our)->our_update_nr++; \
640 object_update->ou_batchid = \
642 object_update->ou_flags |= \
651 static inline bool osp_send_update_thread_running(struct osp_device *osp)
653 return osp->opd_update_thread.t_flags & SVC_RUNNING;
656 static inline bool osp_send_update_thread_stopped(struct osp_device *osp)
658 return osp->opd_update_thread.t_flags & SVC_STOPPED;
661 typedef int (*osp_update_interpreter_t)(const struct lu_env *env,
662 struct object_update_reply *rep,
663 struct ptlrpc_request *req,
664 struct osp_object *obj,
665 void *data, int index, int rc);
668 void osp_update_last_id(struct osp_device *d, u64 objid);
669 extern struct llog_operations osp_mds_ost_orig_logops;
672 int osp_insert_async_request(const struct lu_env *env, enum update_type op,
673 struct osp_object *obj, int count, __u16 *lens,
674 const void **bufs, void *data, __u32 repsize,
675 osp_update_interpreter_t interpreter);
677 int osp_unplug_async_request(const struct lu_env *env,
678 struct osp_device *osp,
679 struct osp_update_request *update);
680 int osp_trans_update_request_create(struct thandle *th);
681 struct thandle *osp_trans_create(const struct lu_env *env,
682 struct dt_device *d);
683 int osp_trans_start(const struct lu_env *env, struct dt_device *dt,
685 int osp_insert_update_callback(const struct lu_env *env,
686 struct osp_update_request *update,
687 struct osp_object *obj, void *data,
688 osp_update_interpreter_t interpreter);
690 struct osp_update_request *osp_update_request_create(struct dt_device *dt);
691 void osp_update_request_destroy(const struct lu_env *env,
692 struct osp_update_request *update);
694 int osp_send_update_thread(void *arg);
695 int osp_check_and_set_rpc_version(struct osp_thandle *oth,
696 struct osp_object *obj);
698 void osp_thandle_destroy(const struct lu_env *env, struct osp_thandle *oth);
699 static inline void osp_thandle_get(struct osp_thandle *oth)
701 atomic_inc(&oth->ot_refcount);
704 static inline void osp_thandle_put(const struct lu_env *env,
705 struct osp_thandle *oth)
707 if (atomic_dec_and_test(&oth->ot_refcount))
708 osp_thandle_destroy(env, oth);
711 int osp_prep_update_req(const struct lu_env *env, struct obd_import *imp,
712 struct osp_update_request *our,
713 struct ptlrpc_request **reqp);
714 int osp_remote_sync(const struct lu_env *env, struct osp_device *osp,
715 struct osp_update_request *update,
716 struct ptlrpc_request **reqp);
718 struct thandle *osp_get_storage_thandle(const struct lu_env *env,
720 struct osp_device *osp);
721 void osp_trans_callback(const struct lu_env *env,
722 struct osp_thandle *oth, int rc);
723 void osp_invalidate_request(struct osp_device *osp);
725 int osp_attr_get(const struct lu_env *env, struct dt_object *dt,
726 struct lu_attr *attr);
727 int osp_xattr_get(const struct lu_env *env, struct dt_object *dt,
728 struct lu_buf *buf, const char *name);
729 int osp_declare_xattr_set(const struct lu_env *env, struct dt_object *dt,
730 const struct lu_buf *buf, const char *name,
731 int flag, struct thandle *th);
732 int osp_xattr_set(const struct lu_env *env, struct dt_object *dt,
733 const struct lu_buf *buf, const char *name, int fl,
735 int osp_declare_xattr_del(const struct lu_env *env, struct dt_object *dt,
736 const char *name, struct thandle *th);
737 int osp_xattr_del(const struct lu_env *env, struct dt_object *dt,
738 const char *name, struct thandle *th);
739 int osp_invalidate(const struct lu_env *env, struct dt_object *dt);
740 void osp_obj_invalidate_cache(struct osp_object *obj);
742 int osp_trans_stop(const struct lu_env *env, struct dt_device *dt,
744 int osp_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb);
746 struct dt_it *osp_it_init(const struct lu_env *env, struct dt_object *dt,
748 void osp_it_fini(const struct lu_env *env, struct dt_it *di);
749 int osp_it_get(const struct lu_env *env, struct dt_it *di,
750 const struct dt_key *key);
751 void osp_it_put(const struct lu_env *env, struct dt_it *di);
752 __u64 osp_it_store(const struct lu_env *env, const struct dt_it *di);
753 int osp_it_key_rec(const struct lu_env *env, const struct dt_it *di,
755 int osp_it_next_page(const struct lu_env *env, struct dt_it *di);
756 /* osp_md_object.c */
757 int osp_md_declare_object_create(const struct lu_env *env,
758 struct dt_object *dt,
759 struct lu_attr *attr,
760 struct dt_allocation_hint *hint,
761 struct dt_object_format *dof,
763 int osp_md_object_create(const struct lu_env *env, struct dt_object *dt,
764 struct lu_attr *attr, struct dt_allocation_hint *hint,
765 struct dt_object_format *dof, struct thandle *th);
766 int osp_md_declare_attr_set(const struct lu_env *env, struct dt_object *dt,
767 const struct lu_attr *attr, struct thandle *th);
768 int osp_md_attr_set(const struct lu_env *env, struct dt_object *dt,
769 const struct lu_attr *attr, struct thandle *th);
770 extern const struct dt_index_operations osp_md_index_ops;
772 /* osp_precreate.c */
773 int osp_init_precreate(struct osp_device *d);
774 int osp_precreate_reserve(const struct lu_env *env, struct osp_device *d);
775 __u64 osp_precreate_get_id(struct osp_device *d);
776 int osp_precreate_get_fid(const struct lu_env *env, struct osp_device *d,
778 void osp_precreate_fini(struct osp_device *d);
779 int osp_object_truncate(const struct lu_env *env, struct dt_object *dt, __u64);
780 void osp_pre_update_status(struct osp_device *d, int rc);
781 void osp_statfs_need_now(struct osp_device *d);
782 int osp_reset_last_used(const struct lu_env *env, struct osp_device *osp);
783 int osp_write_last_oid_seq_files(struct lu_env *env, struct osp_device *osp,
784 struct lu_fid *fid, int sync);
785 int osp_init_pre_fid(struct osp_device *osp);
788 void osp_lprocfs_init(struct osp_device *osp);
791 int osp_sync_declare_add(const struct lu_env *env, struct osp_object *o,
792 llog_op_type type, struct thandle *th);
793 int osp_sync_add(const struct lu_env *env, struct osp_object *o,
794 llog_op_type type, struct thandle *th,
795 const struct lu_attr *attr);
796 int osp_sync_init(const struct lu_env *env, struct osp_device *d);
797 int osp_sync_fini(struct osp_device *d);
798 void __osp_sync_check_for_work(struct osp_device *d);
801 extern struct obd_ops lwp_obd_device_ops;
802 extern struct lu_device_type lwp_device_type;
804 static inline struct lu_device *osp2top(const struct osp_device *osp)
806 return osp->opd_dt_dev.dd_lu_dev.ld_site->ls_top_dev;
809 static inline void osp_set_req_replay(const struct osp_device *osp,
810 struct ptlrpc_request *req)
812 struct obd_device *obd = osp2top(osp)->ld_obd;
814 /* The RPC must be recovery related for the cases:
816 * 1. sent during recovery, or
817 * 2. sent before the recovery thread target_recovery_thread() start,
818 * such as triggered by lod_sub_recovery_thread(). */
819 if (obd->obd_recovering || (obd->obd_replayable && obd->obd_no_conn))
820 req->rq_allow_replay = 1;