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.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/osc/osc_create.c
37 * For testing and management it is treated as an obd_device,
38 * although * it does not export a full OBD method table (the
39 * requests are coming * in over the wire, so object target modules
40 * do not have a full * method table.)
42 * Author: Peter Braam <braam@clusterfs.com>
46 # define EXPORT_SYMTAB
48 #define DEBUG_SUBSYSTEM S_OSC
51 # include <libcfs/libcfs.h>
52 #else /* __KERNEL__ */
53 # include <liblustre.h>
60 #include <lustre_dlm.h>
61 #include <obd_class.h>
62 #include "osc_internal.h"
64 /* XXX need AT adjust ? */
65 #define osc_create_timeout (obd_timeout / 2)
67 struct osc_create_async_args {
68 struct osc_creator *rq_oscc;
69 struct lov_stripe_md *rq_lsm;
70 struct obd_info *rq_oinfo;
74 static int oscc_internal_create(struct osc_creator *oscc);
75 static int handle_async_create(struct ptlrpc_request *req, int rc);
77 static int osc_interpret_create(const struct lu_env *env,
78 struct ptlrpc_request *req, void *data, int rc)
80 struct osc_create_async_args *args = ptlrpc_req_async_args(req);
81 struct osc_creator *oscc = args->rq_oscc;
82 struct ost_body *body = NULL;
83 struct ptlrpc_request *fake_req, *pos;
87 body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
88 if (body == NULL && rc == 0)
92 LASSERT(oscc && (oscc->oscc_obd != LP_POISON));
94 cfs_spin_lock(&oscc->oscc_lock);
95 oscc->oscc_flags &= ~OSCC_FLAG_CREATING;
99 int diff =ostid_id(&body->oa.o_oi)- oscc->oscc_last_id;
101 /* oscc_internal_create() stores the original value of
102 * grow_count in osc_create_async_args::rq_grow_count.
103 * We can't compare against oscc_grow_count directly,
104 * because it may have been increased while the RPC
105 * is in flight, so we would always find ourselves
106 * having created fewer objects and decreasing the
107 * precreate request size. b=18577 */
108 if (diff < args->rq_grow_count) {
109 /* the OST has not managed to create all the
110 * objects we asked for */
111 oscc->oscc_grow_count = max(diff,
113 /* don't bump grow_count next time */
114 oscc->oscc_flags |= OSCC_FLAG_LOW;
116 /* the OST is able to keep up with the work,
117 * we could consider increasing grow_count
118 * next time if needed */
119 oscc->oscc_flags &= ~OSCC_FLAG_LOW;
121 oscc->oscc_last_id = ostid_id(&body->oa.o_oi);
123 cfs_spin_unlock(&oscc->oscc_lock);
127 oscc->oscc_flags |= OSCC_FLAG_RDONLY;
131 oscc->oscc_flags |= OSCC_FLAG_NOSPC;
132 if (body && rc == -ENOSPC) {
133 oscc->oscc_last_id = body->oa.o_id;
134 oscc->oscc_grow_count = OST_MIN_PRECREATE;
137 cfs_spin_unlock(&oscc->oscc_lock);
138 DEBUG_REQ(D_INODE, req, "OST out of space, flagging");
141 /* filter always set body->oa.o_id as the last_id
142 * of filter (see filter_handle_precreate for detail)*/
143 if (body && body->oa.o_id > oscc->oscc_last_id)
144 oscc->oscc_last_id = body->oa.o_id;
145 cfs_spin_unlock(&oscc->oscc_lock);
150 /* aka EAGAIN we should not delay create if import failed -
151 * this avoid client stick in create and avoid race with
153 /* EINTR say - old create request is killed due mds<>ost
154 * eviction - OSCC_FLAG_RECOVERING can already set due
155 * IMP_DISCONN event */
156 oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
157 /* oscc->oscc_grow_count = OST_MIN_PRECREATE; */
158 cfs_spin_unlock(&oscc->oscc_lock);
162 oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
163 oscc->oscc_grow_count = OST_MIN_PRECREATE;
164 cfs_spin_unlock(&oscc->oscc_lock);
165 DEBUG_REQ(D_ERROR, req,
166 "Unknown rc %d from async create: failing oscc", rc);
167 ptlrpc_fail_import(req->rq_import,
168 lustre_msg_get_conn_cnt(req->rq_reqmsg));
172 CDEBUG(D_HA, "preallocated through id "LPU64" (next to use "LPU64")\n",
173 oscc->oscc_last_id, oscc->oscc_next_id);
175 cfs_spin_lock(&oscc->oscc_lock);
176 cfs_list_for_each_entry_safe(fake_req, pos,
177 &oscc->oscc_wait_create_list, rq_list) {
178 if (handle_async_create(fake_req, rc) == -EAGAIN) {
179 oscc_internal_create(oscc);
180 /* sending request should be never fail because
181 * osc use preallocated requests pool */
182 GOTO(exit_wakeup, rc);
185 cfs_spin_unlock(&oscc->oscc_lock);
188 cfs_waitq_signal(&oscc->oscc_waitq);
192 static int oscc_internal_create(struct osc_creator *oscc)
194 struct osc_create_async_args *args;
195 struct ptlrpc_request *request;
196 struct ost_body *body;
199 LASSERT_SPIN_LOCKED(&oscc->oscc_lock);
201 /* Do not check for a degraded OST here - bug21563/bug18539 */
202 if (oscc->oscc_flags & OSCC_FLAG_RECOVERING) {
203 cfs_spin_unlock(&oscc->oscc_lock);
207 /* we need check it before OSCC_FLAG_CREATING - because need
208 * see lower number of precreate objects */
209 if (oscc->oscc_grow_count < oscc->oscc_max_grow_count &&
210 ((oscc->oscc_flags & OSCC_FLAG_LOW) == 0) &&
211 (__s64)(oscc->oscc_last_id - oscc->oscc_next_id) <=
212 (oscc->oscc_grow_count / 4 + 1)) {
213 oscc->oscc_flags |= OSCC_FLAG_LOW;
214 oscc->oscc_grow_count *= 2;
217 if (oscc->oscc_flags & OSCC_FLAG_CREATING) {
218 cfs_spin_unlock(&oscc->oscc_lock);
222 if (oscc->oscc_grow_count > oscc->oscc_max_grow_count / 2)
223 oscc->oscc_grow_count = oscc->oscc_max_grow_count / 2;
225 oscc->oscc_flags |= OSCC_FLAG_CREATING;
226 cfs_spin_unlock(&oscc->oscc_lock);
228 request = ptlrpc_request_alloc_pack(oscc->oscc_obd->u.cli.cl_import,
230 LUSTRE_OST_VERSION, OST_CREATE);
231 if (request == NULL) {
232 cfs_spin_lock(&oscc->oscc_lock);
233 oscc->oscc_flags &= ~OSCC_FLAG_CREATING;
234 cfs_spin_unlock(&oscc->oscc_lock);
238 request->rq_request_portal = OST_CREATE_PORTAL;
239 ptlrpc_at_set_req_timeout(request);
240 body = req_capsule_client_get(&request->rq_pill, &RMF_OST_BODY);
241 args = ptlrpc_req_async_args(request);
242 args->rq_oscc = oscc;
244 cfs_spin_lock(&oscc->oscc_lock);
245 args->rq_grow_count = oscc->oscc_grow_count;
247 if (likely(fid_seq_is_mdt(oscc->oscc_oa.o_seq))) {
248 body->oa.o_oi.oi_seq = oscc->oscc_oa.o_seq;
249 body->oa.o_oi.oi_id = oscc->oscc_last_id +
250 oscc->oscc_grow_count;
252 /*Just warning here currently, since not sure how fid-on-ost
253 *will be implemented here */
254 CWARN("o_seq: "LPU64" is not indicate any MDTs.\n",
255 oscc->oscc_oa.o_seq);
257 cfs_spin_unlock(&oscc->oscc_lock);
259 body->oa.o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
260 CDEBUG(D_RPCTRACE, "prealloc through id "LPU64" (last seen "LPU64")\n",
261 body->oa.o_id, oscc->oscc_last_id);
263 /* we should not resend create request - anyway we will have delorphan
264 * and kill these objects */
265 request->rq_no_delay = request->rq_no_resend = 1;
266 ptlrpc_request_set_replen(request);
268 request->rq_interpret_reply = osc_interpret_create;
269 ptlrpcd_add_req(request, PSCOPE_OTHER);
274 static int oscc_has_objects_nolock(struct osc_creator *oscc, int count)
276 return ((__s64)(oscc->oscc_last_id - oscc->oscc_next_id) >= count);
280 static int oscc_has_objects(struct osc_creator *oscc, int count)
284 cfs_spin_lock(&oscc->oscc_lock);
285 have_objs = oscc_has_objects_nolock(oscc, count);
286 cfs_spin_unlock(&oscc->oscc_lock);
291 static int oscc_wait_for_objects(struct osc_creator *oscc, int count)
296 ost_unusable = oscc->oscc_obd->u.cli.cl_import->imp_invalid;
298 cfs_spin_lock(&oscc->oscc_lock);
299 ost_unusable |= (OSCC_FLAG_NOSPC | OSCC_FLAG_RDONLY |
300 OSCC_FLAG_EXITING) & oscc->oscc_flags;
301 have_objs = oscc_has_objects_nolock(oscc, count);
303 if (!ost_unusable && !have_objs)
304 /* they release lock himself */
305 have_objs = oscc_internal_create(oscc);
307 cfs_spin_unlock(&oscc->oscc_lock);
309 return have_objs || ost_unusable;
312 static int oscc_precreate(struct osc_creator *oscc)
314 struct l_wait_info lwi;
318 if (oscc_has_objects(oscc, oscc->oscc_grow_count / 2))
321 /* we should be not block forever - because client's create rpc can
322 * stick in mds for long time and forbid client reconnect */
323 lwi = LWI_TIMEOUT(cfs_timeout_cap(cfs_time_seconds(osc_create_timeout)),
326 rc = l_wait_event(oscc->oscc_waitq, oscc_wait_for_objects(oscc, 1), &lwi);
330 static int oscc_in_sync(struct osc_creator *oscc)
334 cfs_spin_lock(&oscc->oscc_lock);
335 sync = oscc->oscc_flags & OSCC_FLAG_SYNC_IN_PROGRESS;
336 cfs_spin_unlock(&oscc->oscc_lock);
341 /* decide if the OST has remaining object, return value :
342 0 : the OST has remaining objects, may or may not send precreation RPC.
343 1 : the OST has no remaining object, and the sent precreation RPC
344 has not been completed yet.
345 2 : the OST has no remaining object, and will not get any for
346 a potentially very long time
349 int osc_precreate(struct obd_export *exp)
351 struct osc_creator *oscc = &exp->exp_obd->u.cli.cl_oscc;
352 struct obd_import *imp = exp->exp_imp_reverse;
356 LASSERT(oscc != NULL);
357 if (imp != NULL && imp->imp_deactive)
358 GOTO(out_nolock, rc = 1000);
360 /* Handle critical states first */
361 cfs_spin_lock(&oscc->oscc_lock);
362 if (oscc->oscc_flags & OSCC_FLAG_NOSPC ||
363 oscc->oscc_flags & OSCC_FLAG_RDONLY ||
364 oscc->oscc_flags & OSCC_FLAG_EXITING)
365 GOTO(out, rc = 1000);
367 if ((oscc->oscc_flags & OSCC_FLAG_RECOVERING) ||
368 (oscc->oscc_flags & OSCC_FLAG_DEGRADED))
371 if (oscc_has_objects_nolock(oscc, oscc->oscc_grow_count / 2))
374 /* Return 0, if we have at least one object - bug 22884 */
375 rc = oscc_has_objects_nolock(oscc, 1) ? 0 : 1;
377 /* Do not check for OSCC_FLAG_CREATING flag here, let
378 * osc_precreate() call oscc_internal_create() and
379 * adjust oscc_grow_count bug21563 */
380 if (oscc->oscc_flags & OSCC_FLAG_SYNC_IN_PROGRESS)
383 if (oscc_internal_create(oscc))
384 GOTO(out_nolock, rc = 1000);
388 cfs_spin_unlock(&oscc->oscc_lock);
393 static int handle_async_create(struct ptlrpc_request *req, int rc)
395 struct osc_create_async_args *args = ptlrpc_req_async_args(req);
396 struct osc_creator *oscc = args->rq_oscc;
397 struct lov_stripe_md *lsm = args->rq_lsm;
398 struct obd_info *oinfo = args->rq_oinfo;
399 struct obdo *oa = oinfo->oi_oa;
401 LASSERT_SPIN_LOCKED(&oscc->oscc_lock);
406 /* Handle the critical type errors first.
407 * Should we also test cl_import state as well ? */
408 if (oscc->oscc_flags & OSCC_FLAG_EXITING)
409 GOTO(out_wake, rc = -EIO);
411 if (oscc->oscc_flags & OSCC_FLAG_NOSPC)
412 GOTO(out_wake, rc = -ENOSPC);
414 if (oscc->oscc_flags & OSCC_FLAG_RDONLY)
415 GOTO(out_wake, rc = -EROFS);
417 /* should be try wait until recovery finished */
418 if((oscc->oscc_flags & OSCC_FLAG_RECOVERING) ||
419 (oscc->oscc_flags & OSCC_FLAG_DEGRADED))
422 if (oscc_has_objects_nolock(oscc, 1)) {
423 memcpy(oa, &oscc->oscc_oa, sizeof(*oa));
424 oa->o_id = oscc->oscc_next_id;
425 lsm->lsm_object_id = oscc->oscc_next_id;
426 oscc->oscc_next_id++;
428 CDEBUG(D_RPCTRACE, " set oscc_next_id = "LPU64"\n",
430 GOTO(out_wake, rc = 0);
433 /* we don't have objects now - continue wait */
438 rc = oinfo->oi_cb_up(oinfo, rc);
439 ptlrpc_fakereq_finished(req);
444 static int async_create_interpret(const struct lu_env *env,
445 struct ptlrpc_request *req, void *data,
448 struct osc_create_async_args *args = ptlrpc_req_async_args(req);
449 struct osc_creator *oscc = args->rq_oscc;
452 cfs_spin_lock(&oscc->oscc_lock);
453 ret = handle_async_create(req, rc);
454 cfs_spin_unlock(&oscc->oscc_lock);
459 int osc_create_async(struct obd_export *exp, struct obd_info *oinfo,
460 struct lov_stripe_md **ea, struct obd_trans_info *oti)
463 struct ptlrpc_request *fake_req;
464 struct osc_create_async_args *args;
465 struct osc_creator *oscc = &exp->exp_obd->u.cli.cl_oscc;
466 struct obdo *oa = oinfo->oi_oa;
469 if ((oa->o_valid & OBD_MD_FLGROUP) && !fid_seq_is_mdt(oa->o_seq)) {
470 rc = osc_real_create(exp, oinfo->oi_oa, ea, oti);
471 rc = oinfo->oi_cb_up(oinfo, rc);
475 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
476 oa->o_flags == OBD_FL_RECREATE_OBJS) {
477 rc = osc_real_create(exp, oinfo->oi_oa, ea, oti);
478 rc = oinfo->oi_cb_up(oinfo, rc);
482 LASSERT((*ea) != NULL);
484 fake_req = ptlrpc_prep_fakereq(oscc->oscc_obd->u.cli.cl_import,
486 async_create_interpret);
487 if (fake_req == NULL) {
488 rc = oinfo->oi_cb_up(oinfo, -ENOMEM);
492 args = ptlrpc_req_async_args(fake_req);
493 CLASSERT(sizeof(*args) <= sizeof(fake_req->rq_async_args));
495 args->rq_oscc = oscc;
497 args->rq_oinfo = oinfo;
499 cfs_spin_lock(&oscc->oscc_lock);
501 rc = handle_async_create(fake_req, 0);
504 /* we not have objects - try wait */
505 is_add = ptlrpcd_add_req(fake_req, PSCOPE_OTHER);
507 cfs_list_add(&fake_req->rq_list,
508 &oscc->oscc_wait_create_list);
512 cfs_spin_unlock(&oscc->oscc_lock);
515 /* need free request if was error hit or
516 * objects already allocated */
517 ptlrpc_req_finished(fake_req);
519 /* EAGAIN mean - request is delayed */
525 int osc_create(struct obd_export *exp, struct obdo *oa,
526 struct lov_stripe_md **ea, struct obd_trans_info *oti)
528 struct osc_creator *oscc = &exp->exp_obd->u.cli.cl_oscc;
529 struct obd_import *imp = exp->exp_obd->u.cli.cl_import;
530 struct lov_stripe_md *lsm;
531 int del_orphan = 0, rc = 0;
536 LASSERT(oa->o_valid & OBD_MD_FLGROUP);
538 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
539 oa->o_flags == OBD_FL_RECREATE_OBJS) {
540 RETURN(osc_real_create(exp, oa, ea, oti));
543 if (!fid_seq_is_mdt(oa->o_seq))
544 RETURN(osc_real_create(exp, oa, ea, oti));
546 /* this is the special case where create removes orphans */
547 if (oa->o_valid & OBD_MD_FLFLAGS &&
548 oa->o_flags == OBD_FL_DELORPHAN) {
549 cfs_spin_lock(&oscc->oscc_lock);
550 if (oscc->oscc_flags & OSCC_FLAG_SYNC_IN_PROGRESS) {
551 cfs_spin_unlock(&oscc->oscc_lock);
554 if (!(oscc->oscc_flags & OSCC_FLAG_RECOVERING)) {
555 cfs_spin_unlock(&oscc->oscc_lock);
559 oscc->oscc_flags |= OSCC_FLAG_SYNC_IN_PROGRESS;
560 /* seting flag LOW we prevent extra grow precreate size
561 * and enforce use last assigned size */
562 oscc->oscc_flags |= OSCC_FLAG_LOW;
563 cfs_spin_unlock(&oscc->oscc_lock);
564 CDEBUG(D_HA, "%s: oscc recovery started - delete to "LPU64"\n",
565 oscc->oscc_obd->obd_name, oscc->oscc_next_id - 1);
569 /* delete from next_id on up */
570 oa->o_valid |= OBD_MD_FLID;
571 oa->o_id = oscc->oscc_next_id - 1;
573 rc = osc_real_create(exp, oa, ea, NULL);
575 cfs_spin_lock(&oscc->oscc_lock);
576 oscc->oscc_flags &= ~OSCC_FLAG_SYNC_IN_PROGRESS;
577 if (rc == 0 || rc == -ENOSPC) {
578 struct obd_connect_data *ocd;
581 oscc->oscc_flags |= OSCC_FLAG_NOSPC;
582 oscc->oscc_flags &= ~OSCC_FLAG_RECOVERING;
584 oscc->oscc_last_id = oa->o_id;
585 ocd = &imp->imp_connect_data;
586 if (ocd->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN) {
588 * The OST reports back in oa->o_id from where
589 * we should restart in order to skip orphan
592 CDEBUG(D_HA, "%s: Skip orphan set, reset last "
593 "objid\n", oscc->oscc_obd->obd_name);
594 oscc->oscc_next_id = oa->o_id + 1;
597 /* sanity check for next objid. see bug 17025 */
598 LASSERT(oscc->oscc_next_id == oa->o_id + 1);
600 CDEBUG(D_HA, "%s: oscc recovery finished, last_id: "
601 LPU64", rc: %d\n", oscc->oscc_obd->obd_name,
602 oscc->oscc_last_id, rc);
604 CDEBUG(D_ERROR, "%s: oscc recovery failed: %d\n",
605 oscc->oscc_obd->obd_name, rc);
608 cfs_waitq_signal(&oscc->oscc_waitq);
609 cfs_spin_unlock(&oscc->oscc_lock);
617 rc = obd_alloc_memmd(exp, &lsm);
623 if (oscc_in_sync(oscc))
624 CDEBUG(D_HA,"%s: oscc recovery in progress, waiting\n",
625 oscc->oscc_obd->obd_name);
627 rc = oscc_precreate(oscc);
629 CDEBUG(D_HA,"%s: error create %d\n",
630 oscc->oscc_obd->obd_name, rc);
632 cfs_spin_lock(&oscc->oscc_lock);
634 /* wakeup but recovery did not finished */
635 if ((oscc->oscc_obd->u.cli.cl_import->imp_invalid) ||
636 (oscc->oscc_flags & OSCC_FLAG_RECOVERING)) {
638 cfs_spin_unlock(&oscc->oscc_lock);
642 if (oscc->oscc_flags & OSCC_FLAG_NOSPC) {
644 cfs_spin_unlock(&oscc->oscc_lock);
648 if (oscc->oscc_flags & OSCC_FLAG_RDONLY) {
650 cfs_spin_unlock(&oscc->oscc_lock);
654 // Should we report -EIO error ?
655 if (oscc->oscc_flags & OSCC_FLAG_EXITING) {
656 cfs_spin_unlock(&oscc->oscc_lock);
661 * If this is DELORPHAN process, no need create object here,
662 * otherwise this will create a gap of object id, and MDS
663 * might create some orphan log (mds_lov_update_objids), then
664 * remove objects wrongly on OST. Bug 21379.
666 if (oa->o_valid & OBD_MD_FLFLAGS &&
667 oa->o_flags == OBD_FL_DELORPHAN) {
668 cfs_spin_unlock(&oscc->oscc_lock);
672 if (oscc_has_objects_nolock(oscc, 1)) {
673 memcpy(oa, &oscc->oscc_oa, sizeof(*oa));
674 oa->o_id = oscc->oscc_next_id;
675 lsm->lsm_object_id = oscc->oscc_next_id;
677 oscc->oscc_next_id++;
678 cfs_spin_unlock(&oscc->oscc_lock);
680 CDEBUG(D_RPCTRACE, "%s: set oscc_next_id = "LPU64"\n",
681 exp->exp_obd->obd_name, oscc->oscc_next_id);
685 cfs_spin_unlock(&oscc->oscc_lock);
689 CDEBUG(D_INFO, "%s: returning objid "LPU64"\n",
690 obd2cli_tgt(oscc->oscc_obd), lsm->lsm_object_id);
693 obd_free_memmd(exp, &lsm);
694 if (del_orphan != 0 && rc != -EIO)
695 /* Ignore non-IO precreate error for clear orphan */
701 void oscc_init(struct obd_device *obd)
703 struct osc_creator *oscc;
708 oscc = &obd->u.cli.cl_oscc;
710 memset(oscc, 0, sizeof(*oscc));
712 cfs_waitq_init(&oscc->oscc_waitq);
713 cfs_spin_lock_init(&oscc->oscc_lock);
714 oscc->oscc_obd = obd;
715 oscc->oscc_grow_count = OST_MIN_PRECREATE;
716 oscc->oscc_max_grow_count = OST_MAX_PRECREATE;
718 oscc->oscc_next_id = 2;
719 oscc->oscc_last_id = 1;
720 oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
722 CFS_INIT_LIST_HEAD(&oscc->oscc_wait_create_list);
724 /* XXX the export handle should give the oscc the last object */
725 /* oed->oed_oscc.oscc_last_id = exph->....; */
728 void oscc_fini(struct obd_device *obd)
730 struct osc_creator *oscc = &obd->u.cli.cl_oscc;
734 cfs_spin_lock(&oscc->oscc_lock);
735 oscc->oscc_flags &= ~OSCC_FLAG_RECOVERING;
736 oscc->oscc_flags |= OSCC_FLAG_EXITING;
737 cfs_spin_unlock(&oscc->oscc_lock);