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, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * lustre/osp/osp_internal.h
33 * Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
36 #ifndef _OSP_INTERNAL_H
37 #define _OSP_INTERNAL_H
40 #include <obd_class.h>
41 #include <dt_object.h>
42 #include <md_object.h>
43 #include <lustre_fid.h>
44 #include <lustre_update.h>
45 #include <lu_target.h>
48 * Infrastructure to support tracking of last committed llog record
50 struct osp_id_tracker {
53 __u64 otr_committed_id;
54 /* callback is register once per diskfs -- that's the whole point */
55 struct dt_txn_callback otr_tx_cb;
56 /* single node can run many clusters */
57 struct list_head otr_wakeup_list;
58 struct list_head otr_list;
59 /* underlying shared device */
60 struct dt_device *otr_dev;
61 /* how many users of this tracker */
62 atomic_t otr_refcount;
65 struct osp_precreate {
70 /* last fid to assign in creation */
71 struct lu_fid osp_pre_used_fid;
72 /* last created id OST reported, next-created - available id's */
73 struct lu_fid osp_pre_last_created_fid;
74 /* how many ids are reserved in declare, we shouldn't block in create */
75 __u64 osp_pre_reserved;
76 /* consumers (who needs new ids) wait here */
77 wait_queue_head_t osp_pre_user_waitq;
78 /* current precreation status: working, failed, stopping? */
80 /* how many objects to precreate next time */
81 int osp_pre_create_count;
82 int osp_pre_min_create_count;
83 int osp_pre_max_create_count;
84 /* whether to increase precreation window next time or not */
85 int osp_pre_create_slow;
86 /* cleaning up orphans or recreating missing objects */
87 int osp_pre_recovering;
90 struct osp_update_request_sub {
91 struct object_update_request *ours_req; /* may be vmalloc'd */
93 /* Linked to osp_update_request->our_req_list */
94 struct list_head ours_list;
97 struct osp_update_request {
99 /* update request result */
102 /* List of osp_update_request_sub */
103 struct list_head our_req_list;
107 struct list_head our_cb_items;
108 struct list_head our_invalidate_cb_list;
110 /* points to thandle if this update request belongs to one */
111 struct osp_thandle *our_th;
114 __u64 our_generation;
115 /* protect our_list and flag */
116 spinlock_t our_list_lock;
117 /* linked to the list(ou_list) in osp_updates */
118 struct list_head our_list;
120 __u32 our_req_ready:1;
125 struct list_head ou_list;
127 wait_queue_head_t ou_waitq;
129 /* The next rpc version which supposed to be sent in
130 * osp_send_update_thread().*/
131 __u64 ou_rpc_version;
133 /* The rpc version assigned to the osp thandle during (osp_md_write()),
134 * which will be sent by this order. Note: the osp_thandle has be sent
135 * by this order to make sure the remote update log will follow the
136 * llog format rule. XXX: these probably should be removed once we
137 * invent new llog format */
140 /* The generation of current osp update RPC, which is used to make sure
141 * those stale RPC(with older generation) will not be sent, otherwise it
142 * will cause update lllog corruption */
145 /* dedicate update thread */
146 struct task_struct *ou_update_task;
147 struct lu_env ou_env;
151 struct dt_device opd_dt_dev;
152 /* corresponded OST index */
155 /* corrsponded MDT index, which will be used when connecting to OST
156 * for validating the connection (see ofd_parse_connect_data) */
158 /* device used to store persistent state (llogs, last ids) */
159 struct obd_export *opd_storage_exp;
160 struct dt_device *opd_storage;
161 struct dt_object *opd_last_used_oid_file;
162 struct dt_object *opd_last_used_seq_file;
164 /* stored persistently in LE format, updated directly to/from disk
165 * and required le64_to_cpu() conversion before use.
166 * Protected by opd_pre_lock */
167 struct lu_fid opd_last_used_fid;
168 /* on disk copy last_used_fid.f_oid or idif */
170 struct lu_fid opd_gap_start_fid;
172 struct obd_device *opd_obd;
173 struct obd_export *opd_exp;
174 struct obd_connect_data *opd_connect_data;
176 /* connection status. */
177 unsigned int opd_new_connection:1,
178 opd_got_disconnected:1,
181 opd_imp_seen_connected:1,
184 /* whether local recovery is completed:
185 * reported via ->ldo_recovery_complete() */
186 int opd_recovery_completed;
188 /* precreate structure for OSP */
189 struct osp_precreate *opd_pre;
190 /* dedicate precreate thread */
191 struct task_struct *opd_pre_task;
192 spinlock_t opd_pre_lock;
193 /* thread waits for signals about pool going empty */
194 wait_queue_head_t opd_pre_waitq;
196 /* send update thread */
197 struct osp_updates *opd_update;
200 * OST synchronization thread
202 spinlock_t opd_sync_lock;
203 /* unique generation, to recognize start of new records in the llog */
204 struct llog_gen opd_sync_generation;
205 /* number of changes to sync, used to wake up sync thread */
206 atomic_t opd_sync_changes;
207 /* limit of changes to sync */
208 int opd_sync_max_changes;
209 /* processing of changes from previous mount is done? */
210 int opd_sync_prev_done;
212 struct task_struct *opd_sync_task;
213 wait_queue_head_t opd_sync_waitq;
214 /* list of in flight rpcs */
215 struct list_head opd_sync_in_flight_list;
216 /* list of remotely committed rpc */
217 struct list_head opd_sync_committed_there;
218 /* number of RPCs in flight - flow control */
219 atomic_t opd_sync_rpcs_in_flight;
220 int opd_sync_max_rpcs_in_flight;
221 /* number of RPC in processing (including non-committed by OST) */
222 atomic_t opd_sync_rpcs_in_progress;
223 int opd_sync_max_rpcs_in_progress;
224 /* osd api's commit cb control structure */
225 struct dt_txn_callback opd_sync_txn_cb;
226 /* last used change number -- semantically similar to transno */
227 unsigned long opd_sync_last_used_id;
228 /* last committed change number -- semantically similar to
230 __u64 opd_sync_last_committed_id;
231 /* last processed catalog index */
232 int opd_sync_last_catalog_idx;
233 /* number of processed records */
234 atomic64_t opd_sync_processed_recs;
235 /* stop processing new requests until barrier=0 */
236 atomic_t opd_sync_barrier;
237 wait_queue_head_t opd_sync_barrier_waitq;
238 /* last generated id */
239 ktime_t opd_sync_next_commit_cb;
240 atomic_t opd_commits_registered;
243 * statfs related fields: OSP maintains it on its own
245 struct obd_statfs opd_statfs;
246 ktime_t opd_statfs_fresh_till;
247 struct timer_list opd_statfs_timer;
248 int opd_statfs_update_in_progress;
249 /* how often to update statfs data */
250 time64_t opd_statfs_maxage;
252 struct dentry *opd_debugfs;
254 /* If the caller wants to do some idempotent async operations on
255 * remote server, it can append the async remote requests on the
256 * osp_device::opd_async_requests via declare() functions, these
257 * requests can be packed together and sent to the remote server
258 * via single OUT RPC later. */
259 struct osp_update_request *opd_async_requests;
260 /* Protect current operations on opd_async_requests. */
261 struct mutex opd_async_requests_mutex;
262 struct list_head opd_async_updates;
263 struct rw_semaphore opd_async_updates_rwsem;
264 atomic_t opd_async_updates_count;
267 * Limit the object allocation using ENOSPC for opd_pre_status
269 int opd_reserved_mb_high;
270 int opd_reserved_mb_low;
271 bool opd_cleanup_orphans_done;
272 bool opd_force_creation;
275 #define opd_pre_used_fid opd_pre->osp_pre_used_fid
276 #define opd_pre_last_created_fid opd_pre->osp_pre_last_created_fid
277 #define opd_pre_reserved opd_pre->osp_pre_reserved
278 #define opd_pre_user_waitq opd_pre->osp_pre_user_waitq
279 #define opd_pre_status opd_pre->osp_pre_status
280 #define opd_pre_create_count opd_pre->osp_pre_create_count
281 #define opd_pre_min_create_count opd_pre->osp_pre_min_create_count
282 #define opd_pre_max_create_count opd_pre->osp_pre_max_create_count
283 #define opd_pre_create_slow opd_pre->osp_pre_create_slow
284 #define opd_pre_recovering opd_pre->osp_pre_recovering
286 extern struct kmem_cache *osp_object_kmem;
288 /* The first part of oxe_buf is xattr name, and is '\0' terminated.
289 * The left part is for value, binary mode. */
290 struct osp_xattr_entry {
291 struct list_head oxe_list;
294 unsigned int oxe_buflen;
295 unsigned int oxe_vallen;
296 unsigned short oxe_namelen;
297 unsigned short oxe_exist:1,
303 /* this is a top object */
305 struct lu_object_header opo_header;
306 struct dt_object opo_obj;
307 unsigned int opo_reserved:1,
312 /* read/write lock for md osp object */
313 struct rw_semaphore opo_sem;
314 const struct lu_env *opo_owner;
315 struct lu_attr opo_attr;
316 struct list_head opo_xattr_list;
317 struct list_head opo_invalidate_cb_list;
318 /* Protect opo_ooa. */
320 /* to implement in-flight invalidation */
321 atomic_t opo_invalidate_seq;
322 struct rw_semaphore opo_invalidate_sem;
325 extern const struct lu_object_operations osp_lu_obj_ops;
326 extern const struct dt_object_operations osp_md_obj_ops;
327 extern const struct dt_body_operations osp_md_body_ops;
329 struct osp_thread_info {
330 struct lu_buf osi_lb;
331 struct lu_buf osi_lb2;
332 struct lu_fid osi_fid;
333 struct lu_attr osi_attr;
334 struct ost_id osi_oi;
335 struct ost_id osi_oi2;
338 struct llog_rec_hdr osi_hdr;
339 struct llog_unlink64_rec osi_unlink;
340 struct llog_setattr64_rec_v2 osi_setattr;
341 struct llog_gen_rec osi_gen;
343 struct llog_cookie osi_cookie;
344 struct llog_catid osi_cid;
345 struct lu_seq_range osi_seq;
346 struct ldlm_res_id osi_resid;
347 struct obdo osi_obdo;
350 /* Iterator for OSP */
353 __u32 ooi_pos_lu_page;
357 int ooi_total_npages;
358 int ooi_valid_npages;
359 unsigned int ooi_swab:1;
361 struct dt_object *ooi_obj;
363 struct page *ooi_cur_page;
364 struct lu_idxpage *ooi_cur_idxpage;
365 struct page **ooi_pages;
368 #define OSP_THANDLE_MAGIC 0x20141214
370 struct thandle ot_super;
372 /* OSP will use this thandle to update last oid*/
373 struct thandle *ot_storage_th;
375 struct list_head ot_commit_dcb_list;
376 struct list_head ot_stop_dcb_list;
377 struct osp_update_request *ot_our;
378 atomic_t ot_refcount;
381 static inline struct osp_thandle *
382 thandle_to_osp_thandle(struct thandle *th)
384 return container_of(th, struct osp_thandle, ot_super);
387 static inline struct osp_update_request *
388 thandle_to_osp_update_request(struct thandle *th)
390 struct osp_thandle *oth;
392 oth = thandle_to_osp_thandle(th);
396 /* The transaction only include the updates on the remote node, and
397 * no local updates at all */
398 static inline bool is_only_remote_trans(struct thandle *th)
400 return th->th_top == NULL;
403 static inline void osp_objid_buf_prep(struct lu_buf *buf, loff_t *off,
404 __u64 *id, int index)
406 /* Note: through id is only 32 bits, it will also write 64 bits
407 * for oid to keep compatibility with the previous version. */
408 buf->lb_buf = (void *)id;
409 buf->lb_len = sizeof(u64);
410 *off = sizeof(u64) * index;
413 static inline void osp_objseq_buf_prep(struct lu_buf *buf, loff_t *off,
414 __u64 *seq, int index)
416 buf->lb_buf = (void *)seq;
417 buf->lb_len = sizeof(u64);
418 *off = sizeof(u64) * index;
421 static inline void osp_buf_prep(struct lu_buf *lb, void *buf, int buf_len)
424 lb->lb_len = buf_len;
427 extern struct lu_context_key osp_thread_key;
429 static inline struct osp_thread_info *osp_env_info(const struct lu_env *env)
431 return lu_env_info(env, &osp_thread_key);
434 struct osp_txn_info {
435 __u64 oti_current_id;
438 extern struct lu_context_key osp_txn_key;
440 static inline struct osp_txn_info *osp_txn_info(struct lu_context *ctx)
442 struct osp_txn_info *info;
444 info = lu_context_key_get(ctx, &osp_txn_key);
448 extern const struct lu_device_operations osp_lu_ops;
450 static inline int lu_device_is_osp(struct lu_device *d)
452 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osp_lu_ops);
455 static inline struct osp_device *lu2osp_dev(struct lu_device *d)
457 LASSERT(lu_device_is_osp(d));
458 return container_of_safe(d, struct osp_device, opd_dt_dev.dd_lu_dev);
461 static inline struct lu_device *osp2lu_dev(struct osp_device *d)
463 return &d->opd_dt_dev.dd_lu_dev;
466 static inline struct osp_device *dt2osp_dev(struct dt_device *d)
468 LASSERT(lu_device_is_osp(&d->dd_lu_dev));
469 return container_of_safe(d, struct osp_device, opd_dt_dev);
472 static inline struct osp_object *lu2osp_obj(struct lu_object *o)
474 LASSERT(ergo(o != NULL, lu_device_is_osp(o->lo_dev)));
475 return container_of_safe(o, struct osp_object, opo_obj.do_lu);
478 static inline struct lu_object *osp2lu_obj(struct osp_object *obj)
480 return &obj->opo_obj.do_lu;
483 static inline struct osp_object *osp_obj(const struct lu_object *o)
485 LASSERT(lu_device_is_osp(o->lo_dev));
486 return container_of_safe(o, struct osp_object, opo_obj.do_lu);
489 static inline struct osp_object *dt2osp_obj(const struct dt_object *d)
491 return osp_obj(&d->do_lu);
494 static inline struct dt_object *osp_object_child(struct osp_object *o)
496 return container_of(lu_object_next(osp2lu_obj(o)),
497 struct dt_object, do_lu);
500 static inline struct seq_server_site *osp_seq_site(struct osp_device *osp)
502 return osp->opd_dt_dev.dd_lu_dev.ld_site->ld_seq_site;
505 static inline int osp_fid_diff(const struct lu_fid *fid1,
506 const struct lu_fid *fid2)
508 /* In 2.6+ ost_idx is packed into IDIF FID, while in 2.4 and 2.5 IDIF
509 * is always FID_SEQ_IDIF(0x100000000ULL), which does not include OST
510 * index in the seq. So we can not compare IDIF FID seq here */
511 if (fid_is_idif(fid1) && fid_is_idif(fid2)) {
512 __u32 ost_idx1 = fid_idif_ost_idx(fid1);
513 __u32 ost_idx2 = fid_idif_ost_idx(fid2);
515 LASSERTF(ost_idx1 == 0 || ost_idx2 == 0 || ost_idx1 == ost_idx2,
516 "fid1: "DFID", fid2: "DFID"\n", PFID(fid1),
519 return fid_idif_id(fid1->f_seq, fid1->f_oid, 0) -
520 fid_idif_id(fid2->f_seq, fid2->f_oid, 0);
523 LASSERTF(fid_seq(fid1) == fid_seq(fid2), "fid1:"DFID", fid2:"DFID"\n",
524 PFID(fid1), PFID(fid2));
526 return fid_oid(fid1) - fid_oid(fid2);
529 static inline void osp_fid_to_obdid(struct lu_fid *last_fid, u64 *osi_id)
531 if (fid_is_idif((last_fid)))
532 *osi_id = fid_idif_id(fid_seq(last_fid), fid_oid(last_fid),
535 *osi_id = fid_oid(last_fid);
538 static inline void osp_update_last_fid(struct osp_device *d, struct lu_fid *fid)
540 int diff = osp_fid_diff(fid, &d->opd_last_used_fid);
541 struct lu_fid *gap_start = &d->opd_gap_start_fid;
544 * we might have lost precreated objects due to VBR and precreate
545 * orphans, the gap in objid can be calculated properly only here
549 d->opd_gap_start_fid = d->opd_last_used_fid;
550 if (fid_oid(gap_start) == LUSTRE_DATA_SEQ_MAX_WIDTH) {
552 gap_start->f_oid = fid_is_idif(gap_start) ?
557 d->opd_gap_count = diff - 1;
558 CDEBUG(D_HA, "Gap in objids: start="DFID", count =%d\n",
559 PFID(&d->opd_gap_start_fid), d->opd_gap_count);
561 d->opd_last_used_fid = *fid;
562 osp_fid_to_obdid(fid, &d->opd_last_id);
566 static int osp_fid_end_seq(const struct lu_env *env, struct lu_fid *fid)
568 if (fid_is_idif(fid)) {
569 struct osp_thread_info *info = osp_env_info(env);
570 struct ost_id *oi = &info->osi_oi;
572 fid_to_ostid(fid, oi);
573 return ostid_id(oi) == IDIF_MAX_OID;
575 return fid_oid(fid) == LUSTRE_DATA_SEQ_MAX_WIDTH;
579 static inline int osp_precreate_end_seq_nolock(const struct lu_env *env,
580 struct osp_device *osp)
582 struct lu_fid *fid = &osp->opd_pre_last_created_fid;
584 return osp_fid_end_seq(env, fid);
587 static inline int osp_precreate_end_seq(const struct lu_env *env,
588 struct osp_device *osp)
592 spin_lock(&osp->opd_pre_lock);
593 rc = osp_precreate_end_seq_nolock(env, osp);
594 spin_unlock(&osp->opd_pre_lock);
598 static inline int osp_is_fid_client(struct osp_device *osp)
600 struct obd_import *imp = osp->opd_obd->u.cli.cl_import;
602 return imp->imp_connect_data.ocd_connect_flags & OBD_CONNECT_FID;
605 struct object_update *
606 update_buffer_get_update(struct object_update_request *request,
609 int osp_extend_update_buffer(const struct lu_env *env,
610 struct osp_update_request *our);
612 struct osp_update_request_sub *
613 osp_current_object_update_request(struct osp_update_request *our);
615 int osp_object_update_request_create(struct osp_update_request *our,
618 #define OSP_UPDATE_RPC_PACK(env, out_something_pack, our, ...) \
620 struct object_update *object_update; \
621 size_t max_update_length; \
622 struct osp_update_request_sub *ours; \
626 ours = osp_current_object_update_request(our); \
627 LASSERT(ours != NULL); \
628 max_update_length = ours->ours_req_size - \
629 object_update_request_size(ours->ours_req); \
631 object_update = update_buffer_get_update(ours->ours_req,\
632 ours->ours_req->ourq_count); \
633 ret = out_something_pack(env, object_update, \
634 &max_update_length, \
636 if (ret == -E2BIG) { \
638 /* Create new object update request */ \
639 rc1 = osp_object_update_request_create(our, \
640 max_update_length + \
641 offsetof(struct object_update_request, \
642 ourq_updates[0]) + 1); \
650 ours->ours_req->ourq_count++; \
651 (our)->our_update_nr++; \
652 object_update->ou_batchid = \
654 object_update->ou_flags |= \
663 typedef int (*osp_update_interpreter_t)(const struct lu_env *env,
664 struct object_update_reply *rep,
665 struct ptlrpc_request *req,
666 struct osp_object *obj,
667 void *data, int index, int rc);
670 void osp_update_last_id(struct osp_device *d, u64 objid);
673 int osp_insert_async_request(const struct lu_env *env, enum update_type op,
674 struct osp_object *obj, int count, __u16 *lens,
675 const void **bufs, void *data, __u32 repsize,
676 osp_update_interpreter_t interpreter);
678 int osp_unplug_async_request(const struct lu_env *env,
679 struct osp_device *osp,
680 struct osp_update_request *update);
681 int osp_trans_update_request_create(struct thandle *th);
682 struct thandle *osp_trans_create(const struct lu_env *env,
683 struct dt_device *d);
684 int osp_trans_start(const struct lu_env *env, struct dt_device *dt,
686 int osp_insert_update_callback(const struct lu_env *env,
687 struct osp_update_request *update,
688 struct osp_object *obj, void *data,
689 osp_update_interpreter_t interpreter);
691 struct osp_update_request *osp_update_request_create(struct dt_device *dt);
692 void osp_update_request_destroy(const struct lu_env *env,
693 struct osp_update_request *update);
695 int osp_send_update_thread(void *arg);
696 int osp_check_and_set_rpc_version(struct osp_thandle *oth,
697 struct osp_object *obj);
699 void osp_thandle_destroy(const struct lu_env *env, struct osp_thandle *oth);
700 static inline void osp_thandle_get(struct osp_thandle *oth)
702 atomic_inc(&oth->ot_refcount);
705 static inline void osp_thandle_put(const struct lu_env *env,
706 struct osp_thandle *oth)
708 if (atomic_dec_and_test(&oth->ot_refcount))
709 osp_thandle_destroy(env, oth);
712 int osp_prep_update_req(const struct lu_env *env, struct obd_import *imp,
713 struct osp_update_request *our,
714 struct ptlrpc_request **reqp);
715 int osp_remote_sync(const struct lu_env *env, struct osp_device *osp,
716 struct osp_update_request *update,
717 struct ptlrpc_request **reqp);
719 struct thandle *osp_get_storage_thandle(const struct lu_env *env,
721 struct osp_device *osp);
722 void osp_trans_callback(const struct lu_env *env,
723 struct osp_thandle *oth, int rc);
724 void osp_invalidate_request(struct osp_device *osp);
726 int osp_attr_get(const struct lu_env *env, struct dt_object *dt,
727 struct lu_attr *attr);
728 int osp_xattr_get(const struct lu_env *env, struct dt_object *dt,
729 struct lu_buf *buf, const char *name);
730 int osp_declare_xattr_set(const struct lu_env *env, struct dt_object *dt,
731 const struct lu_buf *buf, const char *name,
732 int flag, struct thandle *th);
733 int osp_xattr_set(const struct lu_env *env, struct dt_object *dt,
734 const struct lu_buf *buf, const char *name, int fl,
736 int osp_declare_xattr_del(const struct lu_env *env, struct dt_object *dt,
737 const char *name, struct thandle *th);
738 int osp_xattr_del(const struct lu_env *env, struct dt_object *dt,
739 const char *name, struct thandle *th);
740 int osp_invalidate(const struct lu_env *env, struct dt_object *dt);
741 bool osp_check_stale(struct dt_object *dt);
742 void osp_obj_invalidate_cache(struct osp_object *obj);
744 int osp_trans_stop(const struct lu_env *env, struct dt_device *dt,
746 int osp_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb);
748 struct dt_it *osp_it_init(const struct lu_env *env, struct dt_object *dt,
750 void osp_it_fini(const struct lu_env *env, struct dt_it *di);
751 int osp_it_get(const struct lu_env *env, struct dt_it *di,
752 const struct dt_key *key);
753 void osp_it_put(const struct lu_env *env, struct dt_it *di);
754 __u64 osp_it_store(const struct lu_env *env, const struct dt_it *di);
755 int osp_it_key_rec(const struct lu_env *env, const struct dt_it *di,
757 int osp_it_next_page(const struct lu_env *env, struct dt_it *di);
758 /* osp_md_object.c */
759 int osp_md_declare_create(const struct lu_env *env, struct dt_object *dt,
760 struct lu_attr *attr, struct dt_allocation_hint *hint,
761 struct dt_object_format *dof, struct thandle *th);
762 int osp_md_create(const struct lu_env *env, struct dt_object *dt,
763 struct lu_attr *attr, struct dt_allocation_hint *hint,
764 struct dt_object_format *dof, struct thandle *th);
765 int osp_md_declare_attr_set(const struct lu_env *env, struct dt_object *dt,
766 const struct lu_attr *attr, struct thandle *th);
767 int osp_md_attr_set(const struct lu_env *env, struct dt_object *dt,
768 const struct lu_attr *attr, struct thandle *th);
769 extern const struct dt_index_operations osp_md_index_ops;
771 /* osp_precreate.c */
772 int osp_init_precreate(struct osp_device *d);
773 int osp_precreate_reserve(const struct lu_env *env,
774 struct osp_device *d, bool can_block);
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);
786 int osp_init_statfs(struct osp_device *osp);
787 void osp_fini_statfs(struct osp_device *osp);
788 void osp_statfs_fini(struct osp_device *d);
791 void osp_tunables_init(struct osp_device *osp);
792 void osp_tunables_fini(struct osp_device *osp);
795 int osp_sync_declare_add(const struct lu_env *env, struct osp_object *o,
796 enum llog_op_type type, struct thandle *th);
797 int osp_sync_add(const struct lu_env *env, struct osp_object *o,
798 enum llog_op_type type, struct thandle *th,
799 const struct lu_attr *attr);
800 int osp_sync_init(const struct lu_env *env, struct osp_device *d);
801 int osp_sync_fini(struct osp_device *d);
802 void osp_sync_check_for_work(struct osp_device *osp);
803 void osp_sync_force(const struct lu_env *env, struct osp_device *d);
804 int osp_sync_add_commit_cb_1s(const struct lu_env *env, struct osp_device *d,
808 extern const struct obd_ops lwp_obd_device_ops;
809 extern struct lu_device_type lwp_device_type;
811 static inline struct lu_device *osp2top(const struct osp_device *osp)
813 return osp->opd_dt_dev.dd_lu_dev.ld_site->ls_top_dev;
816 static inline void osp_set_req_replay(const struct osp_device *osp,
817 struct ptlrpc_request *req)
819 struct obd_device *obd = osp2top(osp)->ld_obd;
821 /* The RPC must be recovery related for the cases:
823 * 1. sent during recovery, or
824 * 2. sent before the recovery thread target_recovery_thread() start,
825 * such as triggered by lod_sub_recovery_thread(). */
826 if (obd->obd_recovering || (obd->obd_replayable && obd->obd_no_conn))
827 req->rq_allow_replay = 1;