1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
32 * Copyright (c) 2011, Whamcloud, Inc.
35 * This file is part of Lustre, http://www.lustre.org/
36 * Lustre is a trademark of Sun Microsystems, Inc.
38 * lustre/osc/osc_create.c
39 * For testing and management it is treated as an obd_device,
40 * although * it does not export a full OBD method table (the
41 * requests are coming * in over the wire, so object target modules
42 * do not have a full * method table.)
44 * Author: Peter Braam <braam@clusterfs.com>
48 # define EXPORT_SYMTAB
50 #define DEBUG_SUBSYSTEM S_OSC
53 # include <libcfs/libcfs.h>
54 #else /* __KERNEL__ */
55 # include <liblustre.h>
62 #include <lustre_dlm.h>
63 #include <obd_class.h>
64 #include "osc_internal.h"
66 /* XXX need AT adjust ? */
67 #define osc_create_timeout (obd_timeout / 2)
69 struct osc_create_async_args {
70 struct osc_creator *rq_oscc;
71 struct lov_stripe_md *rq_lsm;
72 struct obd_info *rq_oinfo;
76 static int oscc_internal_create(struct osc_creator *oscc);
77 static int handle_async_create(struct ptlrpc_request *req, int rc);
79 static int osc_interpret_create(const struct lu_env *env,
80 struct ptlrpc_request *req, void *data, int rc)
82 struct osc_create_async_args *args = ptlrpc_req_async_args(req);
83 struct osc_creator *oscc = args->rq_oscc;
84 struct ost_body *body = NULL;
85 struct ptlrpc_request *fake_req, *pos;
89 body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
90 if (body == NULL && rc == 0)
94 LASSERT(oscc && (oscc->oscc_obd != LP_POISON));
96 cfs_spin_lock(&oscc->oscc_lock);
97 oscc->oscc_flags &= ~OSCC_FLAG_CREATING;
101 int diff =ostid_id(&body->oa.o_oi)- oscc->oscc_last_id;
103 /* oscc_internal_create() stores the original value of
104 * grow_count in osc_create_async_args::rq_grow_count.
105 * We can't compare against oscc_grow_count directly,
106 * because it may have been increased while the RPC
107 * is in flight, so we would always find ourselves
108 * having created fewer objects and decreasing the
109 * precreate request size. b=18577 */
110 if (diff < args->rq_grow_count) {
111 /* the OST has not managed to create all the
112 * objects we asked for */
113 oscc->oscc_grow_count = max(diff,
115 /* don't bump grow_count next time */
116 oscc->oscc_flags |= OSCC_FLAG_LOW;
118 /* the OST is able to keep up with the work,
119 * we could consider increasing grow_count
120 * next time if needed */
121 oscc->oscc_flags &= ~OSCC_FLAG_LOW;
123 oscc->oscc_last_id = ostid_id(&body->oa.o_oi);
125 cfs_spin_unlock(&oscc->oscc_lock);
129 oscc->oscc_flags |= OSCC_FLAG_RDONLY;
133 oscc->oscc_flags |= OSCC_FLAG_NOSPC;
134 if (body && rc == -ENOSPC) {
135 oscc->oscc_last_id = body->oa.o_id;
136 oscc->oscc_grow_count = OST_MIN_PRECREATE;
138 if ((body->oa.o_valid & OBD_MD_FLFLAGS) &&
139 (body->oa.o_flags & OBD_FL_NOSPC_BLK))
140 oscc->oscc_flags |= OSCC_FLAG_NOSPC_BLK;
145 cfs_spin_unlock(&oscc->oscc_lock);
146 DEBUG_REQ(D_INODE, req, "OST out of space, flagging");
149 /* filter always set body->oa.o_id as the last_id
150 * of filter (see filter_handle_precreate for detail)*/
151 if (body && body->oa.o_id > oscc->oscc_last_id)
152 oscc->oscc_last_id = body->oa.o_id;
153 cfs_spin_unlock(&oscc->oscc_lock);
158 /* aka EAGAIN we should not delay create if import failed -
159 * this avoid client stick in create and avoid race with
161 /* EINTR say - old create request is killed due mds<>ost
162 * eviction - OSCC_FLAG_RECOVERING can already set due
163 * IMP_DISCONN event */
164 oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
165 /* oscc->oscc_grow_count = OST_MIN_PRECREATE; */
166 cfs_spin_unlock(&oscc->oscc_lock);
170 oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
171 oscc->oscc_grow_count = OST_MIN_PRECREATE;
172 cfs_spin_unlock(&oscc->oscc_lock);
173 DEBUG_REQ(D_ERROR, req,
174 "Unknown rc %d from async create: failing oscc", rc);
175 ptlrpc_fail_import(req->rq_import,
176 lustre_msg_get_conn_cnt(req->rq_reqmsg));
180 CDEBUG(D_HA, "preallocated through id "LPU64" (next to use "LPU64")\n",
181 oscc->oscc_last_id, oscc->oscc_next_id);
183 cfs_spin_lock(&oscc->oscc_lock);
184 cfs_list_for_each_entry_safe(fake_req, pos,
185 &oscc->oscc_wait_create_list, rq_list) {
186 if (handle_async_create(fake_req, rc) == -EAGAIN) {
187 oscc_internal_create(oscc);
188 /* sending request should be never fail because
189 * osc use preallocated requests pool */
190 GOTO(exit_wakeup, rc);
193 cfs_spin_unlock(&oscc->oscc_lock);
196 cfs_waitq_signal(&oscc->oscc_waitq);
200 static int oscc_internal_create(struct osc_creator *oscc)
202 struct osc_create_async_args *args;
203 struct ptlrpc_request *request;
204 struct ost_body *body;
207 LASSERT_SPIN_LOCKED(&oscc->oscc_lock);
209 /* Do not check for a degraded OST here - bug21563/bug18539 */
210 if (oscc->oscc_flags & OSCC_FLAG_RECOVERING) {
211 cfs_spin_unlock(&oscc->oscc_lock);
215 /* we need check it before OSCC_FLAG_CREATING - because need
216 * see lower number of precreate objects */
217 if (oscc->oscc_grow_count < oscc->oscc_max_grow_count &&
218 ((oscc->oscc_flags & OSCC_FLAG_LOW) == 0) &&
219 (__s64)(oscc->oscc_last_id - oscc->oscc_next_id) <=
220 (oscc->oscc_grow_count / 4 + 1)) {
221 oscc->oscc_flags |= OSCC_FLAG_LOW;
222 oscc->oscc_grow_count *= 2;
225 if (oscc->oscc_flags & OSCC_FLAG_CREATING) {
226 cfs_spin_unlock(&oscc->oscc_lock);
230 if (oscc->oscc_grow_count > oscc->oscc_max_grow_count / 2)
231 oscc->oscc_grow_count = oscc->oscc_max_grow_count / 2;
233 oscc->oscc_flags |= OSCC_FLAG_CREATING;
234 cfs_spin_unlock(&oscc->oscc_lock);
236 request = ptlrpc_request_alloc_pack(oscc->oscc_obd->u.cli.cl_import,
238 LUSTRE_OST_VERSION, OST_CREATE);
239 if (request == NULL) {
240 cfs_spin_lock(&oscc->oscc_lock);
241 oscc->oscc_flags &= ~OSCC_FLAG_CREATING;
242 cfs_spin_unlock(&oscc->oscc_lock);
246 request->rq_request_portal = OST_CREATE_PORTAL;
247 ptlrpc_at_set_req_timeout(request);
248 body = req_capsule_client_get(&request->rq_pill, &RMF_OST_BODY);
249 args = ptlrpc_req_async_args(request);
250 args->rq_oscc = oscc;
252 cfs_spin_lock(&oscc->oscc_lock);
253 args->rq_grow_count = oscc->oscc_grow_count;
255 if (likely(fid_seq_is_mdt(oscc->oscc_oa.o_seq))) {
256 body->oa.o_oi.oi_seq = oscc->oscc_oa.o_seq;
257 body->oa.o_oi.oi_id = oscc->oscc_last_id +
258 oscc->oscc_grow_count;
260 /*Just warning here currently, since not sure how fid-on-ost
261 *will be implemented here */
262 CWARN("o_seq: "LPU64" is not indicate any MDTs.\n",
263 oscc->oscc_oa.o_seq);
265 cfs_spin_unlock(&oscc->oscc_lock);
267 body->oa.o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
268 CDEBUG(D_RPCTRACE, "prealloc through id "LPU64" (last seen "LPU64")\n",
269 body->oa.o_id, oscc->oscc_last_id);
271 /* we should not resend create request - anyway we will have delorphan
272 * and kill these objects */
273 request->rq_no_delay = request->rq_no_resend = 1;
274 ptlrpc_request_set_replen(request);
276 request->rq_interpret_reply = osc_interpret_create;
277 ptlrpcd_add_req(request, PDL_POLICY_ROUND, -1);
282 static int oscc_has_objects_nolock(struct osc_creator *oscc, int count)
284 return ((__s64)(oscc->oscc_last_id - oscc->oscc_next_id) >= count);
287 static int oscc_has_objects(struct osc_creator *oscc, int count)
291 cfs_spin_lock(&oscc->oscc_lock);
292 have_objs = oscc_has_objects_nolock(oscc, count);
293 cfs_spin_unlock(&oscc->oscc_lock);
298 static int oscc_wait_for_objects(struct osc_creator *oscc, int count)
303 ost_unusable = oscc->oscc_obd->u.cli.cl_import->imp_invalid;
305 cfs_spin_lock(&oscc->oscc_lock);
306 ost_unusable |= (OSCC_FLAG_NOSPC | OSCC_FLAG_RDONLY |
307 OSCC_FLAG_EXITING) & oscc->oscc_flags;
308 have_objs = oscc_has_objects_nolock(oscc, count);
310 if (!ost_unusable && !have_objs)
311 /* they release lock himself */
312 have_objs = oscc_internal_create(oscc);
314 cfs_spin_unlock(&oscc->oscc_lock);
316 return have_objs || ost_unusable;
319 static int oscc_precreate(struct osc_creator *oscc)
321 struct l_wait_info lwi;
325 if (oscc_has_objects(oscc, oscc->oscc_grow_count / 2))
328 /* we should be not block forever - because client's create rpc can
329 * stick in mds for long time and forbid client reconnect */
330 lwi = LWI_TIMEOUT(cfs_timeout_cap(cfs_time_seconds(osc_create_timeout)),
333 rc = l_wait_event(oscc->oscc_waitq, oscc_wait_for_objects(oscc, 1), &lwi);
337 static int oscc_in_sync(struct osc_creator *oscc)
341 cfs_spin_lock(&oscc->oscc_lock);
342 sync = oscc->oscc_flags & OSCC_FLAG_SYNC_IN_PROGRESS;
343 cfs_spin_unlock(&oscc->oscc_lock);
348 /* decide if the OST has remaining object, return value :
349 0 : the OST has remaining objects, may or may not send precreation RPC.
350 1 : the OST has no remaining object, and the sent precreation RPC
351 has not been completed yet.
352 2 : the OST has no remaining object, and will not get any for
353 a potentially very long time
356 int osc_precreate(struct obd_export *exp)
358 struct osc_creator *oscc = &exp->exp_obd->u.cli.cl_oscc;
359 struct obd_import *imp = exp->exp_imp_reverse;
363 LASSERT(oscc != NULL);
364 if (imp != NULL && imp->imp_deactive)
365 GOTO(out_nolock, rc = 1000);
367 /* Handle critical states first */
368 cfs_spin_lock(&oscc->oscc_lock);
369 if (oscc->oscc_flags & OSCC_FLAG_NOSPC_BLK ||
370 oscc->oscc_flags & OSCC_FLAG_RDONLY ||
371 oscc->oscc_flags & OSCC_FLAG_EXITING)
372 GOTO(out, rc = 1000);
374 if ((oscc->oscc_flags & OSCC_FLAG_RECOVERING) ||
375 (oscc->oscc_flags & OSCC_FLAG_DEGRADED))
378 if (oscc_has_objects_nolock(oscc, oscc->oscc_grow_count / 2))
381 /* Return 0, if we have at least one object - bug 22884 */
382 rc = oscc_has_objects_nolock(oscc, 1) ? 0 : 1;
384 if (oscc->oscc_flags & OSCC_FLAG_NOSPC)
385 GOTO(out, (rc == 0) ? 0 : 1000);
387 /* Do not check for OSCC_FLAG_CREATING flag here, let
388 * osc_precreate() call oscc_internal_create() and
389 * adjust oscc_grow_count bug21563 */
390 if (oscc->oscc_flags & OSCC_FLAG_SYNC_IN_PROGRESS)
393 if (oscc_internal_create(oscc))
394 GOTO(out_nolock, rc = 1000);
398 cfs_spin_unlock(&oscc->oscc_lock);
403 static int handle_async_create(struct ptlrpc_request *req, int rc)
405 struct osc_create_async_args *args = ptlrpc_req_async_args(req);
406 struct osc_creator *oscc = args->rq_oscc;
407 struct lov_stripe_md *lsm = args->rq_lsm;
408 struct obd_info *oinfo = args->rq_oinfo;
409 struct obdo *oa = oinfo->oi_oa;
411 LASSERT_SPIN_LOCKED(&oscc->oscc_lock);
416 /* Handle the critical type errors first.
417 * Should we also test cl_import state as well ? */
418 if (oscc->oscc_flags & OSCC_FLAG_EXITING)
419 GOTO(out_wake, rc = -EIO);
421 if (oscc->oscc_flags & OSCC_FLAG_NOSPC_BLK)
422 GOTO(out_wake, rc = -ENOSPC);
424 if (oscc->oscc_flags & OSCC_FLAG_RDONLY)
425 GOTO(out_wake, rc = -EROFS);
427 /* should be try wait until recovery finished */
428 if((oscc->oscc_flags & OSCC_FLAG_RECOVERING) ||
429 (oscc->oscc_flags & OSCC_FLAG_DEGRADED))
432 if (oscc_has_objects_nolock(oscc, 1)) {
433 memcpy(oa, &oscc->oscc_oa, sizeof(*oa));
434 oa->o_id = oscc->oscc_next_id;
435 lsm->lsm_object_id = oscc->oscc_next_id;
436 oscc->oscc_next_id++;
438 CDEBUG(D_RPCTRACE, " set oscc_next_id = "LPU64"\n",
440 GOTO(out_wake, rc = 0);
443 /* we don't have objects now - continue wait */
448 rc = oinfo->oi_cb_up(oinfo, rc);
449 ptlrpc_fakereq_finished(req);
454 static int async_create_interpret(const struct lu_env *env,
455 struct ptlrpc_request *req, void *data,
458 struct osc_create_async_args *args = ptlrpc_req_async_args(req);
459 struct osc_creator *oscc = args->rq_oscc;
462 cfs_spin_lock(&oscc->oscc_lock);
463 ret = handle_async_create(req, rc);
464 cfs_spin_unlock(&oscc->oscc_lock);
469 int osc_create_async(struct obd_export *exp, struct obd_info *oinfo,
470 struct lov_stripe_md **ea, struct obd_trans_info *oti)
473 struct ptlrpc_request *fake_req;
474 struct osc_create_async_args *args;
475 struct osc_creator *oscc = &exp->exp_obd->u.cli.cl_oscc;
476 struct obdo *oa = oinfo->oi_oa;
479 if ((oa->o_valid & OBD_MD_FLGROUP) && !fid_seq_is_mdt(oa->o_seq)) {
480 rc = osc_real_create(exp, oinfo->oi_oa, ea, oti);
481 rc = oinfo->oi_cb_up(oinfo, rc);
485 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
486 oa->o_flags == OBD_FL_RECREATE_OBJS) {
487 rc = osc_real_create(exp, oinfo->oi_oa, ea, oti);
488 rc = oinfo->oi_cb_up(oinfo, rc);
492 LASSERT((*ea) != NULL);
494 fake_req = ptlrpc_prep_fakereq(oscc->oscc_obd->u.cli.cl_import,
496 async_create_interpret);
497 if (fake_req == NULL) {
498 rc = oinfo->oi_cb_up(oinfo, -ENOMEM);
502 args = ptlrpc_req_async_args(fake_req);
503 CLASSERT(sizeof(*args) <= sizeof(fake_req->rq_async_args));
505 args->rq_oscc = oscc;
507 args->rq_oinfo = oinfo;
509 cfs_spin_lock(&oscc->oscc_lock);
511 rc = handle_async_create(fake_req, 0);
513 /* We don't have any objects, wait until we get a reply. */
514 ptlrpcd_add_req(fake_req, PDL_POLICY_ROUND, -1);
515 cfs_list_add(&fake_req->rq_list,
516 &oscc->oscc_wait_create_list);
517 cfs_spin_unlock(&oscc->oscc_lock);
518 /* EAGAIN mean - request is delayed */
521 cfs_spin_unlock(&oscc->oscc_lock);
522 /* need free request if was error hit or
523 * objects already allocated */
524 ptlrpc_req_finished(fake_req);
530 int osc_create(struct obd_export *exp, struct obdo *oa,
531 struct lov_stripe_md **ea, struct obd_trans_info *oti)
533 struct osc_creator *oscc = &exp->exp_obd->u.cli.cl_oscc;
534 struct obd_import *imp = exp->exp_obd->u.cli.cl_import;
535 struct lov_stripe_md *lsm;
536 int del_orphan = 0, rc = 0;
541 LASSERT(oa->o_valid & OBD_MD_FLGROUP);
543 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
544 oa->o_flags == OBD_FL_RECREATE_OBJS) {
545 RETURN(osc_real_create(exp, oa, ea, oti));
548 if (!fid_seq_is_mdt(oa->o_seq))
549 RETURN(osc_real_create(exp, oa, ea, oti));
551 /* this is the special case where create removes orphans */
552 if (oa->o_valid & OBD_MD_FLFLAGS &&
553 oa->o_flags == OBD_FL_DELORPHAN) {
554 cfs_spin_lock(&oscc->oscc_lock);
555 if (oscc->oscc_flags & OSCC_FLAG_SYNC_IN_PROGRESS) {
556 cfs_spin_unlock(&oscc->oscc_lock);
559 if (!(oscc->oscc_flags & OSCC_FLAG_RECOVERING)) {
560 cfs_spin_unlock(&oscc->oscc_lock);
564 oscc->oscc_flags |= OSCC_FLAG_SYNC_IN_PROGRESS;
565 /* seting flag LOW we prevent extra grow precreate size
566 * and enforce use last assigned size */
567 oscc->oscc_flags |= OSCC_FLAG_LOW;
568 cfs_spin_unlock(&oscc->oscc_lock);
569 CDEBUG(D_HA, "%s: oscc recovery started - delete to "LPU64"\n",
570 oscc->oscc_obd->obd_name, oscc->oscc_next_id - 1);
574 /* delete from next_id on up */
575 oa->o_valid |= OBD_MD_FLID;
576 oa->o_id = oscc->oscc_next_id - 1;
578 rc = osc_real_create(exp, oa, ea, NULL);
580 cfs_spin_lock(&oscc->oscc_lock);
581 oscc->oscc_flags &= ~OSCC_FLAG_SYNC_IN_PROGRESS;
582 if (rc == 0 || rc == -ENOSPC) {
583 struct obd_connect_data *ocd;
586 oscc->oscc_flags |= OSCC_FLAG_NOSPC;
587 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
588 (oa->o_flags & OBD_FL_NOSPC_BLK))
589 oscc->oscc_flags |= OSCC_FLAG_NOSPC_BLK;
591 oscc->oscc_flags &= ~OSCC_FLAG_RECOVERING;
593 oscc->oscc_last_id = oa->o_id;
594 ocd = &imp->imp_connect_data;
595 if (ocd->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN) {
597 * The OST reports back in oa->o_id from where
598 * we should restart in order to skip orphan
601 CDEBUG(D_HA, "%s: Skip orphan set, reset last "
602 "objid\n", oscc->oscc_obd->obd_name);
603 oscc->oscc_next_id = oa->o_id + 1;
606 /* sanity check for next objid. see bug 17025 */
607 LASSERT(oscc->oscc_next_id == oa->o_id + 1);
609 CDEBUG(D_HA, "%s: oscc recovery finished, last_id: "
610 LPU64", rc: %d\n", oscc->oscc_obd->obd_name,
611 oscc->oscc_last_id, rc);
613 CDEBUG(D_ERROR, "%s: oscc recovery failed: %d\n",
614 oscc->oscc_obd->obd_name, rc);
617 cfs_waitq_signal(&oscc->oscc_waitq);
618 cfs_spin_unlock(&oscc->oscc_lock);
626 rc = obd_alloc_memmd(exp, &lsm);
632 if (oscc_in_sync(oscc))
633 CDEBUG(D_HA,"%s: oscc recovery in progress, waiting\n",
634 oscc->oscc_obd->obd_name);
636 rc = oscc_precreate(oscc);
638 CDEBUG(D_HA,"%s: error create %d\n",
639 oscc->oscc_obd->obd_name, rc);
641 cfs_spin_lock(&oscc->oscc_lock);
643 /* wakeup but recovery did not finished */
644 if ((oscc->oscc_obd->u.cli.cl_import->imp_invalid) ||
645 (oscc->oscc_flags & OSCC_FLAG_RECOVERING)) {
647 cfs_spin_unlock(&oscc->oscc_lock);
651 if (oscc->oscc_flags & OSCC_FLAG_NOSPC_BLK) {
653 cfs_spin_unlock(&oscc->oscc_lock);
657 if (oscc->oscc_flags & OSCC_FLAG_RDONLY) {
659 cfs_spin_unlock(&oscc->oscc_lock);
663 // Should we report -EIO error ?
664 if (oscc->oscc_flags & OSCC_FLAG_EXITING) {
665 cfs_spin_unlock(&oscc->oscc_lock);
670 * If this is DELORPHAN process, no need create object here,
671 * otherwise this will create a gap of object id, and MDS
672 * might create some orphan log (mds_lov_update_objids), then
673 * remove objects wrongly on OST. Bug 21379.
675 if (oa->o_valid & OBD_MD_FLFLAGS &&
676 oa->o_flags == OBD_FL_DELORPHAN) {
677 cfs_spin_unlock(&oscc->oscc_lock);
681 if (oscc_has_objects_nolock(oscc, 1)) {
682 memcpy(oa, &oscc->oscc_oa, sizeof(*oa));
683 oa->o_id = oscc->oscc_next_id;
684 lsm->lsm_object_id = oscc->oscc_next_id;
686 oscc->oscc_next_id++;
687 cfs_spin_unlock(&oscc->oscc_lock);
689 CDEBUG(D_RPCTRACE, "%s: set oscc_next_id = "LPU64"\n",
690 exp->exp_obd->obd_name, oscc->oscc_next_id);
694 if (oscc->oscc_flags & OSCC_FLAG_NOSPC) {
696 cfs_spin_unlock(&oscc->oscc_lock);
700 cfs_spin_unlock(&oscc->oscc_lock);
704 CDEBUG(D_INFO, "%s: returning objid "LPU64"\n",
705 obd2cli_tgt(oscc->oscc_obd), lsm->lsm_object_id);
708 obd_free_memmd(exp, &lsm);
709 if (del_orphan != 0 && rc != -EIO)
710 /* Ignore non-IO precreate error for clear orphan */
716 void oscc_init(struct obd_device *obd)
718 struct osc_creator *oscc;
723 oscc = &obd->u.cli.cl_oscc;
725 memset(oscc, 0, sizeof(*oscc));
727 cfs_waitq_init(&oscc->oscc_waitq);
728 cfs_spin_lock_init(&oscc->oscc_lock);
729 oscc->oscc_obd = obd;
730 oscc->oscc_grow_count = OST_MIN_PRECREATE;
731 oscc->oscc_max_grow_count = OST_MAX_PRECREATE;
733 oscc->oscc_next_id = 2;
734 oscc->oscc_last_id = 1;
735 oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
737 CFS_INIT_LIST_HEAD(&oscc->oscc_wait_create_list);
739 /* XXX the export handle should give the oscc the last object */
740 /* oed->oed_oscc.oscc_last_id = exph->....; */
743 void oscc_fini(struct obd_device *obd)
745 struct osc_creator *oscc = &obd->u.cli.cl_oscc;
749 cfs_spin_lock(&oscc->oscc_lock);
750 oscc->oscc_flags &= ~OSCC_FLAG_RECOVERING;
751 oscc->oscc_flags |= OSCC_FLAG_EXITING;
752 cfs_spin_unlock(&oscc->oscc_lock);