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.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Intel, Inc.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/osp/osp_sync.c
38 * Lustre OST Proxy Device
40 * Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
41 * Author: Mikhail Pershin <mike.pershin@intel.com>
45 # define EXPORT_SYMTAB
47 #define DEBUG_SUBSYSTEM S_MDS
49 #include "osp_internal.h"
52 * there are two specific states to take care about:
54 * = import is disconnected =
56 * = import is inactive =
57 * in this case osp_declare_object_create() returns an error
64 static inline int osp_statfs_need_update(struct osp_device *d)
66 return !cfs_time_before(cfs_time_current(),
67 d->opd_statfs_fresh_till);
70 static void osp_statfs_timer_cb(unsigned long _d)
72 struct osp_device *d = (struct osp_device *) _d;
75 cfs_waitq_signal(&d->opd_pre_waitq);
78 static int osp_statfs_interpret(const struct lu_env *env,
79 struct ptlrpc_request *req,
80 union ptlrpc_async_args *aa, int rc)
82 struct obd_import *imp = req->rq_import;
83 struct obd_statfs *msfs;
88 aa = ptlrpc_req_async_args(req);
89 d = aa->pointer_arg[0];
95 msfs = req_capsule_server_get(&req->rq_pill, &RMF_OBD_STATFS);
97 GOTO(out, rc = -EPROTO);
99 d->opd_statfs = *msfs;
101 osp_pre_update_status(d, rc);
103 /* schedule next update */
104 d->opd_statfs_fresh_till = cfs_time_shift(d->opd_statfs_maxage);
105 cfs_timer_arm(&d->opd_statfs_timer, d->opd_statfs_fresh_till);
106 d->opd_statfs_update_in_progress = 0;
108 CDEBUG(D_CACHE, "updated statfs %p\n", d);
112 /* couldn't update statfs, try again as soon as possible */
113 cfs_waitq_signal(&d->opd_pre_waitq);
114 if (req->rq_import_generation == imp->imp_generation)
115 CERROR("%s: couldn't update statfs: rc = %d\n",
116 d->opd_obd->obd_name, rc);
120 static int osp_statfs_update(struct osp_device *d)
122 struct ptlrpc_request *req;
123 struct obd_import *imp;
124 union ptlrpc_async_args *aa;
129 CDEBUG(D_CACHE, "going to update statfs\n");
131 imp = d->opd_obd->u.cli.cl_import;
134 req = ptlrpc_request_alloc(imp, &RQF_OST_STATFS);
138 rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_STATFS);
140 ptlrpc_request_free(req);
143 ptlrpc_request_set_replen(req);
144 req->rq_request_portal = OST_CREATE_PORTAL;
145 ptlrpc_at_set_req_timeout(req);
147 req->rq_interpret_reply = (ptlrpc_interpterer_t)osp_statfs_interpret;
148 aa = ptlrpc_req_async_args(req);
149 aa->pointer_arg[0] = d;
151 ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
153 cfs_timer_disarm(&d->opd_statfs_timer);
156 * no updates till reply
158 d->opd_statfs_fresh_till = cfs_time_shift(obd_timeout * 1000);
159 d->opd_statfs_update_in_progress = 1;
165 * XXX: there might be a case where removed object(s) do not add free
166 * space (empty object). if the number of such deletions is high, then
167 * we can start to update statfs too often - a rpc storm
168 * TODO: some throttling is needed
170 void osp_statfs_need_now(struct osp_device *d)
172 if (!d->opd_statfs_update_in_progress) {
174 * if current status is -ENOSPC (lack of free space on OST)
175 * then we should poll OST immediately once object destroy
178 d->opd_statfs_fresh_till = cfs_time_shift(-1);
179 cfs_timer_disarm(&d->opd_statfs_timer);
180 cfs_waitq_signal(&d->opd_pre_waitq);
186 * OSP tries to maintain pool of available objects so that calls to create
187 * objects don't block most of time
189 * each time OSP gets connected to OST, we should start from precreation cleanup
191 static inline int osp_precreate_running(struct osp_device *d)
193 return !!(d->opd_pre_thread.t_flags & SVC_RUNNING);
196 static inline int osp_precreate_stopped(struct osp_device *d)
198 return !!(d->opd_pre_thread.t_flags & SVC_STOPPED);
201 static inline int osp_precreate_near_empty_nolock(struct osp_device *d)
203 int window = d->opd_pre_last_created - d->opd_pre_next;
205 /* don't consider new precreation till OST is healty and
207 return ((window - d->opd_pre_reserved < d->opd_pre_grow_count / 2) &&
208 (d->opd_pre_status == 0));
211 static inline int osp_precreate_near_empty(struct osp_device *d)
215 /* XXX: do we really need locking here? */
216 cfs_spin_lock(&d->opd_pre_lock);
217 rc = osp_precreate_near_empty_nolock(d);
218 cfs_spin_unlock(&d->opd_pre_lock);
222 static int osp_precreate_send(struct osp_device *d)
224 struct ptlrpc_request *req;
225 struct obd_import *imp;
226 struct ost_body *body;
231 /* don't precreate new objects till OST healthy and has free space */
232 if (unlikely(d->opd_pre_status)) {
233 CDEBUG(D_INFO, "%s: don't send new precreate: rc = %d\n",
234 d->opd_obd->obd_name, d->opd_pre_status);
239 * if not connection/initialization is compeleted, ignore
241 imp = d->opd_obd->u.cli.cl_import;
244 req = ptlrpc_request_alloc(imp, &RQF_OST_CREATE);
247 req->rq_request_portal = OST_CREATE_PORTAL;
248 /* we should not resend create request - anyway we will have delorphan
249 * and kill these objects */
250 req->rq_no_delay = req->rq_no_resend = 1;
252 rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_CREATE);
254 ptlrpc_request_free(req);
258 cfs_spin_lock(&d->opd_pre_lock);
259 if (d->opd_pre_grow_count > d->opd_pre_max_grow_count / 2)
260 d->opd_pre_grow_count = d->opd_pre_max_grow_count / 2;
261 grow = d->opd_pre_grow_count;
262 cfs_spin_unlock(&d->opd_pre_lock);
264 body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
266 body->oa.o_id = d->opd_pre_last_created + grow;
267 body->oa.o_seq = FID_SEQ_OST_MDT0; /* XXX: support for CMD? */
268 body->oa.o_valid = OBD_MD_FLGROUP;
270 ptlrpc_request_set_replen(req);
272 rc = ptlrpc_queue_wait(req);
274 CERROR("%s: can't precreate: rc = %d\n",
275 d->opd_obd->obd_name, rc);
278 LASSERT(req->rq_transno == 0);
280 body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
282 GOTO(out_req, rc = -EPROTO);
284 CDEBUG(D_HA, "new last_created %lu\n", (unsigned long) body->oa.o_id);
285 LASSERT(body->oa.o_id > d->opd_pre_next);
287 diff = body->oa.o_id - d->opd_pre_last_created;
289 cfs_spin_lock(&d->opd_pre_lock);
291 /* the OST has not managed to create all the
292 * objects we asked for */
293 d->opd_pre_grow_count = max(diff, OST_MIN_PRECREATE);
294 d->opd_pre_grow_slow = 1;
296 /* the OST is able to keep up with the work,
297 * we could consider increasing grow_count
298 * next time if needed */
299 d->opd_pre_grow_slow = 0;
301 d->opd_pre_last_created = body->oa.o_id;
302 cfs_spin_unlock(&d->opd_pre_lock);
303 CDEBUG(D_OTHER, "current precreated pool: %llu-%llu\n",
304 d->opd_pre_next, d->opd_pre_last_created);
307 /* now we can wakeup all users awaiting for objects */
308 osp_pre_update_status(d, rc);
309 cfs_waitq_signal(&d->opd_pre_user_waitq);
311 ptlrpc_req_finished(req);
316 static int osp_get_lastid_from_ost(struct osp_device *d)
318 struct ptlrpc_request *req;
319 struct obd_import *imp;
324 imp = d->opd_obd->u.cli.cl_import;
327 req = ptlrpc_request_alloc(imp, &RQF_OST_GET_INFO_LAST_ID);
331 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
332 RCL_CLIENT, sizeof(KEY_LAST_ID));
333 rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GET_INFO);
335 ptlrpc_request_free(req);
339 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
340 memcpy(tmp, KEY_LAST_ID, sizeof(KEY_LAST_ID));
342 req->rq_no_delay = req->rq_no_resend = 1;
343 ptlrpc_request_set_replen(req);
344 rc = ptlrpc_queue_wait(req);
346 /* bad-bad OST.. let sysadm sort this out */
347 ptlrpc_set_import_active(imp, 0);
351 reply = req_capsule_server_get(&req->rq_pill, &RMF_OBD_ID);
353 GOTO(out, rc = -EPROTO);
355 d->opd_last_used_id = *reply;
356 CDEBUG(D_HA, "%s: got last_id "LPU64" from OST\n",
357 d->opd_obd->obd_name, d->opd_last_used_id);
360 ptlrpc_req_finished(req);
366 * asks OST to clean precreate orphans
367 * and gets next id for new objects
369 static int osp_precreate_cleanup_orphans(struct osp_device *d)
371 struct ptlrpc_request *req = NULL;
372 struct obd_import *imp;
373 struct ost_body *body;
378 LASSERT(d->opd_recovery_completed);
379 LASSERT(d->opd_pre_reserved == 0);
381 CDEBUG(D_HA, "%s: going to cleanup orphans since "LPU64"\n",
382 d->opd_obd->obd_name, d->opd_last_used_id);
384 if (d->opd_last_used_id < 2) {
385 /* lastid looks strange... ask OST */
386 rc = osp_get_lastid_from_ost(d);
391 imp = d->opd_obd->u.cli.cl_import;
394 req = ptlrpc_request_alloc(imp, &RQF_OST_CREATE);
396 GOTO(out, rc = -ENOMEM);
398 rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_CREATE);
400 ptlrpc_request_free(req);
404 body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
406 GOTO(out, rc = -EPROTO);
408 body->oa.o_flags = OBD_FL_DELORPHAN;
409 body->oa.o_valid = OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
410 body->oa.o_seq = FID_SEQ_OST_MDT0;
412 /* remove from NEXT after used one */
413 body->oa.o_id = d->opd_last_used_id + 1;
415 ptlrpc_request_set_replen(req);
417 /* Don't resend the delorphan req */
418 req->rq_no_resend = req->rq_no_delay = 1;
420 rc = ptlrpc_queue_wait(req);
424 body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
426 GOTO(out, rc = -EPROTO);
429 * OST provides us with id new pool starts from in body->oa.o_id
431 cfs_spin_lock(&d->opd_pre_lock);
432 if (le64_to_cpu(d->opd_last_used_id) > body->oa.o_id) {
433 d->opd_pre_grow_count = OST_MIN_PRECREATE +
434 le64_to_cpu(d->opd_last_used_id) -
436 d->opd_pre_last_created = le64_to_cpu(d->opd_last_used_id) + 1;
438 d->opd_pre_grow_count = OST_MIN_PRECREATE;
439 d->opd_pre_last_created = body->oa.o_id + 1;
441 d->opd_pre_next = d->opd_pre_last_created;
442 d->opd_pre_grow_slow = 0;
443 cfs_spin_unlock(&d->opd_pre_lock);
445 CDEBUG(D_HA, "Got last_id "LPU64" from OST, last_used is "LPU64
446 ", next "LPU64"\n", body->oa.o_id,
447 le64_to_cpu(d->opd_last_used_id), d->opd_pre_next);
451 ptlrpc_req_finished(req);
457 * the function updates current precreation status used: functional or not
459 * rc is a last code from the transport, rc == 0 meaning transport works
460 * well and users of lod can use objects from this OSP
462 * the status depends on current usage of OST
464 void osp_pre_update_status(struct osp_device *d, int rc)
466 struct obd_statfs *msfs = &d->opd_statfs;
467 int old = d->opd_pre_status;
470 d->opd_pre_status = rc;
474 if (likely(msfs->os_type)) {
475 used = min_t(__u64, (msfs->os_blocks - msfs->os_bfree) >> 10,
477 if ((msfs->os_ffree < 32) || (msfs->os_bavail < used)) {
478 d->opd_pre_status = -ENOSPC;
480 CDEBUG(D_INFO, "%s: status: "LPU64" blocks, "
481 LPU64" free, "LPU64" used, "LPU64" "
482 "avail -> %d: rc = %d\n",
483 d->opd_obd->obd_name, msfs->os_blocks,
484 msfs->os_bfree, used, msfs->os_bavail,
485 d->opd_pre_status, rc);
487 "non-commited changes: %lu, in progress: %u\n",
488 d->opd_syn_changes, d->opd_syn_rpc_in_progress);
489 } else if (old == -ENOSPC) {
490 d->opd_pre_status = 0;
491 d->opd_pre_grow_slow = 0;
492 d->opd_pre_grow_count = OST_MIN_PRECREATE;
493 cfs_waitq_signal(&d->opd_pre_waitq);
494 CDEBUG(D_INFO, "%s: no space: "LPU64" blocks, "LPU64
495 " free, "LPU64" used, "LPU64" avail -> %d: "
496 "rc = %d\n", d->opd_obd->obd_name,
497 msfs->os_blocks, msfs->os_bfree, used,
498 msfs->os_bavail, d->opd_pre_status, rc);
503 cfs_waitq_signal(&d->opd_pre_user_waitq);
506 static int osp_precreate_thread(void *_arg)
508 struct osp_device *d = _arg;
509 struct ptlrpc_thread *thread = &d->opd_pre_thread;
510 struct l_wait_info lwi = { 0 };
516 sprintf(pname, "osp-pre-%u\n", d->opd_index);
517 cfs_daemonize(pname);
519 cfs_spin_lock(&d->opd_pre_lock);
520 thread->t_flags = SVC_RUNNING;
521 cfs_spin_unlock(&d->opd_pre_lock);
522 cfs_waitq_signal(&thread->t_ctl_waitq);
524 while (osp_precreate_running(d)) {
526 * need to be connected to OST
528 while (osp_precreate_running(d)) {
529 l_wait_event(d->opd_pre_waitq,
530 !osp_precreate_running(d) ||
531 d->opd_new_connection, &lwi);
533 if (!osp_precreate_running(d))
536 if (!d->opd_new_connection)
540 d->opd_new_connection = 0;
541 d->opd_got_disconnected = 0;
545 osp_statfs_update(d);
548 * wait for local recovery to finish, so we can cleanup orphans
549 * orphans are all objects since "last used" (assigned), but
550 * there might be objects reserved and in some cases they won't
551 * be used. we can't cleanup them till we're sure they won't be
552 * used. so we block new reservations and wait till all reserved
553 * objects either user or released.
555 l_wait_event(d->opd_pre_waitq, (!d->opd_pre_reserved &&
556 d->opd_recovery_completed) ||
557 !osp_precreate_running(d) ||
558 d->opd_got_disconnected, &lwi);
560 if (osp_precreate_running(d) && !d->opd_got_disconnected) {
561 rc = osp_precreate_cleanup_orphans(d);
563 CERROR("%s: cannot cleanup orphans: rc = %d\n",
564 d->opd_obd->obd_name, rc);
565 /* we can't proceed from here, OST seem to
566 * be in a bad shape, better to wait for
567 * a new instance of the server and repeat
568 * from the beginning. notify possible waiters
569 * this OSP isn't quite functional yet */
570 osp_pre_update_status(d, rc);
571 cfs_waitq_signal(&d->opd_pre_user_waitq);
572 l_wait_event(d->opd_pre_waitq,
573 !osp_precreate_running(d) ||
574 d->opd_new_connection, &lwi);
581 * connected, can handle precreates now
583 while (osp_precreate_running(d)) {
584 l_wait_event(d->opd_pre_waitq,
585 !osp_precreate_running(d) ||
586 osp_precreate_near_empty(d) ||
587 osp_statfs_need_update(d) ||
588 d->opd_got_disconnected, &lwi);
590 if (!osp_precreate_running(d))
593 /* something happened to the connection
594 * have to start from the beginning */
595 if (d->opd_got_disconnected)
598 if (osp_statfs_need_update(d))
599 osp_statfs_update(d);
601 if (osp_precreate_near_empty(d)) {
602 rc = osp_precreate_send(d);
603 /* osp_precreate_send() sets opd_pre_status
604 * in case of error, that prevent the using of
606 if (rc != 0 && rc != -ENOSPC &&
607 rc != -ETIMEDOUT && rc != -ENOTCONN)
608 CERROR("%s: cannot precreate objects:"
610 d->opd_obd->obd_name, rc);
615 thread->t_flags = SVC_STOPPED;
616 cfs_waitq_signal(&thread->t_ctl_waitq);
621 static int osp_precreate_ready_condition(struct osp_device *d)
623 /* ready if got enough precreated objects */
624 if (d->opd_pre_next + d->opd_pre_reserved < d->opd_pre_last_created)
627 /* ready if OST reported no space and no destoys in progress */
628 if (d->opd_syn_changes + d->opd_syn_rpc_in_progress == 0 &&
629 d->opd_pre_status != 0)
635 static int osp_precreate_timeout_condition(void *data)
637 struct osp_device *d = data;
639 LCONSOLE_WARN("%s: slow creates, last="LPU64", next="LPU64", "
640 "reserved="LPU64", syn_changes=%lu, "
641 "syn_rpc_in_progress=%d, status=%d\n",
642 d->opd_obd->obd_name, d->opd_pre_last_created,
643 d->opd_pre_next, d->opd_pre_reserved,
644 d->opd_syn_changes, d->opd_syn_rpc_in_progress,
651 * called to reserve object in the pool
653 * ENOSPC - no space on corresponded OST
654 * EAGAIN - precreation is in progress, try later
655 * EIO - no access to OST
657 int osp_precreate_reserve(const struct lu_env *env, struct osp_device *d)
659 struct l_wait_info lwi;
660 cfs_time_t expire = cfs_time_shift(obd_timeout);
666 LASSERT(d->opd_pre_last_created >= d->opd_pre_next);
668 lwi = LWI_TIMEOUT(cfs_time_seconds(obd_timeout),
669 osp_precreate_timeout_condition, d);
673 * - preallocation is done
674 * - no free space expected soon
675 * - can't connect to OST for too long (obd_timeout)
677 while ((rc = d->opd_pre_status) == 0 || rc == -ENOSPC ||
679 if (unlikely(rc == -ENODEV)) {
680 if (cfs_time_aftereq(cfs_time_current(), expire))
684 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 3, 90, 0)
685 #error "remove this before the release"
688 * to address Andreas's concern on possible busy-loop
689 * between this thread and osp_precreate_send()
691 LASSERT(count++ < 1000);
694 * increase number of precreations
696 if (d->opd_pre_grow_count < d->opd_pre_max_grow_count &&
697 d->opd_pre_grow_slow == 0 &&
698 (d->opd_pre_last_created - d->opd_pre_next <=
699 d->opd_pre_grow_count / 4 + 1)) {
700 cfs_spin_lock(&d->opd_pre_lock);
701 d->opd_pre_grow_slow = 1;
702 d->opd_pre_grow_count *= 2;
703 cfs_spin_unlock(&d->opd_pre_lock);
707 * we never use the last object in the window
709 cfs_spin_lock(&d->opd_pre_lock);
710 precreated = d->opd_pre_last_created - d->opd_pre_next;
711 if (precreated > d->opd_pre_reserved) {
712 d->opd_pre_reserved++;
713 cfs_spin_unlock(&d->opd_pre_lock);
716 /* XXX: don't wake up if precreation is in progress */
717 if (osp_precreate_near_empty_nolock(d))
718 cfs_waitq_signal(&d->opd_pre_waitq);
722 cfs_spin_unlock(&d->opd_pre_lock);
725 * all precreated objects have been used and no-space
726 * status leave us no chance to succeed very soon
727 * but if there is destroy in progress, then we should
728 * wait till that is done - some space might be released
730 if (unlikely(rc == -ENOSPC)) {
731 if (d->opd_syn_changes) {
732 /* force local commit to release space */
733 dt_commit_async(env, d->opd_storage);
735 if (d->opd_syn_rpc_in_progress) {
736 /* just wait till destroys are done */
737 /* see l_wait_even() few lines below */
739 if (d->opd_syn_changes +
740 d->opd_syn_rpc_in_progress == 0) {
741 /* no hope for free space */
746 /* XXX: don't wake up if precreation is in progress */
747 cfs_waitq_signal(&d->opd_pre_waitq);
749 l_wait_event(d->opd_pre_user_waitq,
750 osp_precreate_ready_condition(d), &lwi);
757 * this function relies on reservation made before
759 __u64 osp_precreate_get_id(struct osp_device *d)
763 /* grab next id from the pool */
764 cfs_spin_lock(&d->opd_pre_lock);
765 LASSERT(d->opd_pre_next <= d->opd_pre_last_created);
766 objid = d->opd_pre_next++;
767 d->opd_pre_reserved--;
769 * last_used_id must be changed along with getting new id otherwise
770 * we might miscalculate gap causing object loss or leak
772 osp_update_last_id(d, objid);
773 cfs_spin_unlock(&d->opd_pre_lock);
776 * probably main thread suspended orphan cleanup till
777 * all reservations are released, see comment in
778 * osp_precreate_thread() just before orphan cleanup
780 if (unlikely(d->opd_pre_reserved == 0 && d->opd_pre_status))
781 cfs_waitq_signal(&d->opd_pre_waitq);
789 int osp_object_truncate(const struct lu_env *env, struct dt_object *dt,
792 struct osp_device *d = lu2osp_dev(dt->do_lu.lo_dev);
793 struct ptlrpc_request *req = NULL;
794 struct obd_import *imp;
795 struct ost_body *body;
796 struct obdo *oa = NULL;
801 imp = d->opd_obd->u.cli.cl_import;
804 req = ptlrpc_request_alloc(imp, &RQF_OST_PUNCH);
808 /* XXX: capa support? */
809 /* osc_set_capa_size(req, &RMF_CAPA1, capa); */
810 rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_PUNCH);
812 ptlrpc_request_free(req);
817 * XXX: decide how do we do here with resend
818 * if we don't resend, then client may see wrong file size
819 * if we do resend, then MDS thread can get stuck for quite long
821 req->rq_no_resend = req->rq_no_delay = 1;
823 req->rq_request_portal = OST_IO_PORTAL; /* bug 7198 */
824 ptlrpc_at_set_req_timeout(req);
828 GOTO(out, rc = -ENOMEM);
830 rc = fid_ostid_pack(lu_object_fid(&dt->do_lu), &oa->o_oi);
833 oa->o_blocks = OBD_OBJECT_EOF;
834 oa->o_valid = OBD_MD_FLSIZE | OBD_MD_FLBLOCKS |
835 OBD_MD_FLID | OBD_MD_FLGROUP;
837 body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
839 lustre_set_wire_obdo(&body->oa, oa);
841 /* XXX: capa support? */
842 /* osc_pack_capa(req, body, capa); */
844 ptlrpc_request_set_replen(req);
846 rc = ptlrpc_queue_wait(req);
848 CERROR("can't punch object: %d\n", rc);
850 ptlrpc_req_finished(req);
856 int osp_init_precreate(struct osp_device *d)
858 struct l_wait_info lwi = { 0 };
863 /* initially precreation isn't ready */
864 d->opd_pre_status = -EAGAIN;
866 d->opd_pre_last_created = 1;
867 d->opd_pre_reserved = 0;
868 d->opd_got_disconnected = 1;
869 d->opd_pre_grow_slow = 0;
870 d->opd_pre_grow_count = OST_MIN_PRECREATE;
871 d->opd_pre_min_grow_count = OST_MIN_PRECREATE;
872 d->opd_pre_max_grow_count = OST_MAX_PRECREATE;
874 cfs_spin_lock_init(&d->opd_pre_lock);
875 cfs_waitq_init(&d->opd_pre_waitq);
876 cfs_waitq_init(&d->opd_pre_user_waitq);
877 cfs_waitq_init(&d->opd_pre_thread.t_ctl_waitq);
880 * Initialize statfs-related things
882 d->opd_statfs_maxage = 5; /* default update interval */
883 d->opd_statfs_fresh_till = cfs_time_shift(-1000);
884 CDEBUG(D_OTHER, "current %llu, fresh till %llu\n",
885 (unsigned long long)cfs_time_current(),
886 (unsigned long long)d->opd_statfs_fresh_till);
887 cfs_timer_init(&d->opd_statfs_timer, osp_statfs_timer_cb, d);
890 * start thread handling precreation and statfs updates
892 rc = cfs_create_thread(osp_precreate_thread, d, 0);
894 CERROR("can't start precreate thread %d\n", rc);
898 l_wait_event(d->opd_pre_thread.t_ctl_waitq,
899 osp_precreate_running(d) || osp_precreate_stopped(d),
905 void osp_precreate_fini(struct osp_device *d)
907 struct ptlrpc_thread *thread = &d->opd_pre_thread;
911 cfs_timer_disarm(&d->opd_statfs_timer);
913 thread->t_flags = SVC_STOPPING;
914 cfs_waitq_signal(&d->opd_pre_waitq);
916 cfs_wait_event(thread->t_ctl_waitq, thread->t_flags & SVC_STOPPED);