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 2008 Sun Microsystems, Inc. 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.
38 # define EXPORT_SYMTAB
40 #define DEBUG_SUBSYSTEM S_LOV
43 #include <libcfs/libcfs.h>
45 #include <liblustre.h>
48 #include <obd_class.h>
50 #include <lustre/lustre_idl.h>
52 #include "lov_internal.h"
54 static void lov_init_set(struct lov_request_set *set)
57 set->set_completes = 0;
60 CFS_INIT_LIST_HEAD(&set->set_list);
61 atomic_set(&set->set_refcount, 1);
64 static void lov_finish_set(struct lov_request_set *set)
66 struct list_head *pos, *n;
70 list_for_each_safe(pos, n, &set->set_list) {
71 struct lov_request *req = list_entry(pos, struct lov_request,
73 list_del_init(&req->rq_link);
76 OBDO_FREE(req->rq_oi.oi_oa);
78 OBD_FREE(req->rq_oi.oi_md, req->rq_buflen);
79 if (req->rq_oi.oi_osfs)
80 OBD_FREE(req->rq_oi.oi_osfs,
81 sizeof(*req->rq_oi.oi_osfs));
82 OBD_FREE(req, sizeof(*req));
86 int len = set->set_oabufs * sizeof(*set->set_pga);
87 OBD_FREE(set->set_pga, len);
90 lov_llh_put(set->set_lockh);
92 OBD_FREE(set, sizeof(*set));
96 void lov_update_set(struct lov_request_set *set,
97 struct lov_request *req, int rc)
102 set->set_completes++;
107 int lov_update_common_set(struct lov_request_set *set,
108 struct lov_request *req, int rc)
110 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
113 lov_update_set(set, req, rc);
115 /* grace error on inactive ost */
116 if (rc && !(lov->lov_tgts[req->rq_idx] &&
117 lov->lov_tgts[req->rq_idx]->ltd_active))
120 /* FIXME in raid1 regime, should return 0 */
124 void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
126 list_add_tail(&req->rq_link, &set->set_list);
130 extern void osc_update_enqueue(struct lustre_handle *lov_lockhp,
131 struct lov_oinfo *loi, int flags,
132 struct ost_lvb *lvb, __u32 mode, int rc);
134 static int lov_update_enqueue_lov(struct obd_export *exp,
135 struct lustre_handle *lov_lockhp,
136 struct lov_oinfo *loi, int flags, int idx,
139 struct lov_obd *lov = &exp->exp_obd->u.lov;
141 if (rc != ELDLM_OK &&
142 !(rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT))) {
143 memset(lov_lockhp, 0, sizeof(*lov_lockhp));
144 if (lov->lov_tgts[idx] && lov->lov_tgts[idx]->ltd_active) {
145 /* -EUSERS used by OST to report file contention */
146 if (rc != -EINTR && rc != -EUSERS)
147 CERROR("enqueue objid "LPX64" subobj "
148 LPX64" on OST idx %d: rc %d\n",
149 oid, loi->loi_id, loi->loi_ost_idx, rc);
156 int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
158 struct lov_request_set *set = req->rq_rqset;
159 struct lustre_handle *lov_lockhp;
160 struct obd_info *oi = set->set_oi;
161 struct lov_oinfo *loi;
166 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
167 loi = oi->oi_md->lsm_oinfo[req->rq_stripe];
169 /* XXX LOV STACKING: OSC gets a copy, created in lov_prep_enqueue_set
170 * and that copy can be arbitrarily out of date.
172 * The LOV API is due for a serious rewriting anyways, and this
173 * can be addressed then. */
175 lov_stripe_lock(oi->oi_md);
176 osc_update_enqueue(lov_lockhp, loi, oi->oi_flags,
177 &req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb, mode, rc);
178 if (rc == ELDLM_LOCK_ABORTED && (oi->oi_flags & LDLM_FL_HAS_INTENT))
179 memset(lov_lockhp, 0, sizeof *lov_lockhp);
180 rc = lov_update_enqueue_lov(set->set_exp, lov_lockhp, loi, oi->oi_flags,
181 req->rq_idx, oi->oi_md->lsm_object_id, rc);
182 lov_stripe_unlock(oi->oi_md);
183 lov_update_set(set, req, rc);
187 /* The callback for osc_enqueue that updates lov info for every OSC request. */
188 static int cb_update_enqueue(void *cookie, int rc)
190 struct obd_info *oinfo = cookie;
191 struct ldlm_enqueue_info *einfo;
192 struct lov_request *lovreq;
194 lovreq = container_of(oinfo, struct lov_request, rq_oi);
195 einfo = lovreq->rq_rqset->set_ei;
196 return lov_update_enqueue_set(lovreq, einfo->ei_mode, rc);
199 static int enqueue_done(struct lov_request_set *set, __u32 mode)
201 struct lov_request *req;
202 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
206 /* enqueue/match success, just return */
207 if (set->set_completes && set->set_completes == set->set_success)
210 /* cancel enqueued/matched locks */
211 list_for_each_entry(req, &set->set_list, rq_link) {
212 struct lustre_handle *lov_lockhp;
214 if (!req->rq_complete || req->rq_rc)
217 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
219 if (!lustre_handle_is_used(lov_lockhp))
222 rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
223 req->rq_oi.oi_md, mode, lov_lockhp);
224 if (rc && lov->lov_tgts[req->rq_idx] &&
225 lov->lov_tgts[req->rq_idx]->ltd_active)
226 CERROR("cancelling obdjid "LPX64" on OST "
227 "idx %d error: rc = %d\n",
228 req->rq_oi.oi_md->lsm_object_id,
232 lov_llh_put(set->set_lockh);
236 int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
237 struct ptlrpc_request_set *rqset)
244 LASSERT(set->set_exp);
245 /* Do enqueue_done only for sync requests and if any request
249 set->set_completes = 0;
250 ret = enqueue_done(set, mode);
251 } else if (set->set_lockh)
252 lov_llh_put(set->set_lockh);
254 if (atomic_dec_and_test(&set->set_refcount))
257 RETURN(rc ? rc : ret);
260 int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
261 struct ldlm_enqueue_info *einfo,
262 struct lov_request_set **reqset)
264 struct lov_obd *lov = &exp->exp_obd->u.lov;
265 struct lov_request_set *set;
269 OBD_ALLOC(set, sizeof(*set));
277 set->set_lockh = lov_llh_new(oinfo->oi_md);
278 if (set->set_lockh == NULL)
279 GOTO(out_set, rc = -ENOMEM);
280 oinfo->oi_lockh->cookie = set->set_lockh->llh_handle.h_cookie;
282 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
283 struct lov_oinfo *loi;
284 struct lov_request *req;
287 loi = oinfo->oi_md->lsm_oinfo[i];
288 if (!lov_stripe_intersects(oinfo->oi_md, i,
289 oinfo->oi_policy.l_extent.start,
290 oinfo->oi_policy.l_extent.end,
294 if (!lov->lov_tgts[loi->loi_ost_idx] ||
295 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
296 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
300 OBD_ALLOC(req, sizeof(*req));
302 GOTO(out_set, rc = -ENOMEM);
304 req->rq_buflen = sizeof(*req->rq_oi.oi_md) +
305 sizeof(struct lov_oinfo *) +
306 sizeof(struct lov_oinfo);
307 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
308 if (req->rq_oi.oi_md == NULL) {
309 OBD_FREE(req, sizeof(*req));
310 GOTO(out_set, rc = -ENOMEM);
312 req->rq_oi.oi_md->lsm_oinfo[0] =
313 ((void *)req->rq_oi.oi_md) + sizeof(*req->rq_oi.oi_md) +
314 sizeof(struct lov_oinfo *);
318 /* Set lov request specific parameters. */
319 req->rq_oi.oi_lockh = set->set_lockh->llh_handles + i;
320 req->rq_oi.oi_cb_up = cb_update_enqueue;
321 req->rq_oi.oi_flags = oinfo->oi_flags;
323 LASSERT(req->rq_oi.oi_lockh);
325 req->rq_oi.oi_policy.l_extent.gid =
326 oinfo->oi_policy.l_extent.gid;
327 req->rq_oi.oi_policy.l_extent.start = start;
328 req->rq_oi.oi_policy.l_extent.end = end;
330 req->rq_idx = loi->loi_ost_idx;
333 /* XXX LOV STACKING: submd should be from the subobj */
334 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
335 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
336 req->rq_oi.oi_md->lsm_stripe_count = 0;
337 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms_valid =
339 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms = loi->loi_kms;
340 req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb = loi->loi_lvb;
342 lov_set_add_req(req, set);
345 GOTO(out_set, rc = -EIO);
349 lov_fini_enqueue_set(set, einfo->ei_mode, rc, NULL);
353 int lov_update_match_set(struct lov_request_set *set, struct lov_request *req,
363 lov_update_set(set, req, ret);
367 int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
374 LASSERT(set->set_exp);
375 rc = enqueue_done(set, mode);
376 if ((set->set_count == set->set_success) &&
377 (flags & LDLM_FL_TEST_LOCK))
378 lov_llh_put(set->set_lockh);
380 if (atomic_dec_and_test(&set->set_refcount))
386 int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
387 struct lov_stripe_md *lsm, ldlm_policy_data_t *policy,
388 __u32 mode, struct lustre_handle *lockh,
389 struct lov_request_set **reqset)
391 struct lov_obd *lov = &exp->exp_obd->u.lov;
392 struct lov_request_set *set;
396 OBD_ALLOC(set, sizeof(*set));
403 set->set_oi->oi_md = lsm;
404 set->set_lockh = lov_llh_new(lsm);
405 if (set->set_lockh == NULL)
406 GOTO(out_set, rc = -ENOMEM);
407 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
409 for (i = 0; i < lsm->lsm_stripe_count; i++){
410 struct lov_oinfo *loi;
411 struct lov_request *req;
414 loi = lsm->lsm_oinfo[i];
415 if (!lov_stripe_intersects(lsm, i, policy->l_extent.start,
416 policy->l_extent.end, &start, &end))
419 /* FIXME raid1 should grace this error */
420 if (!lov->lov_tgts[loi->loi_ost_idx] ||
421 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
422 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
423 GOTO(out_set, rc = -EIO);
426 OBD_ALLOC(req, sizeof(*req));
428 GOTO(out_set, rc = -ENOMEM);
430 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
431 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
432 if (req->rq_oi.oi_md == NULL) {
433 OBD_FREE(req, sizeof(*req));
434 GOTO(out_set, rc = -ENOMEM);
437 req->rq_oi.oi_policy.l_extent.start = start;
438 req->rq_oi.oi_policy.l_extent.end = end;
439 req->rq_oi.oi_policy.l_extent.gid = policy->l_extent.gid;
441 req->rq_idx = loi->loi_ost_idx;
444 /* XXX LOV STACKING: submd should be from the subobj */
445 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
446 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
447 req->rq_oi.oi_md->lsm_stripe_count = 0;
449 lov_set_add_req(req, set);
452 GOTO(out_set, rc = -EIO);
456 lov_fini_match_set(set, mode, 0);
460 int lov_fini_cancel_set(struct lov_request_set *set)
468 LASSERT(set->set_exp);
470 lov_llh_put(set->set_lockh);
472 if (atomic_dec_and_test(&set->set_refcount))
478 int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
479 struct lov_stripe_md *lsm, __u32 mode,
480 struct lustre_handle *lockh,
481 struct lov_request_set **reqset)
483 struct lov_request_set *set;
487 OBD_ALLOC(set, sizeof(*set));
494 set->set_oi->oi_md = lsm;
495 set->set_lockh = lov_handle2llh(lockh);
496 if (set->set_lockh == NULL) {
497 CERROR("LOV: invalid lov lock handle %p\n", lockh);
498 GOTO(out_set, rc = -EINVAL);
500 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
502 for (i = 0; i < lsm->lsm_stripe_count; i++){
503 struct lov_request *req;
504 struct lustre_handle *lov_lockhp;
505 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
507 lov_lockhp = set->set_lockh->llh_handles + i;
508 if (!lustre_handle_is_used(lov_lockhp)) {
509 CDEBUG(D_RPCTRACE,"lov idx %d subobj "LPX64" no lock\n",
510 loi->loi_ost_idx, loi->loi_id);
514 OBD_ALLOC(req, sizeof(*req));
516 GOTO(out_set, rc = -ENOMEM);
518 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
519 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
520 if (req->rq_oi.oi_md == NULL) {
521 OBD_FREE(req, sizeof(*req));
522 GOTO(out_set, rc = -ENOMEM);
525 req->rq_idx = loi->loi_ost_idx;
528 /* XXX LOV STACKING: submd should be from the subobj */
529 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
530 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
531 req->rq_oi.oi_md->lsm_stripe_count = 0;
533 lov_set_add_req(req, set);
536 GOTO(out_set, rc = -EIO);
540 lov_fini_cancel_set(set);
544 static int create_done(struct obd_export *exp, struct lov_request_set *set,
545 struct lov_stripe_md **lsmp)
547 struct lov_obd *lov = &exp->exp_obd->u.lov;
548 struct obd_trans_info *oti = set->set_oti;
549 struct obdo *src_oa = set->set_oi->oi_oa;
550 struct lov_request *req;
551 struct obdo *ret_oa = NULL;
552 int attrset = 0, rc = 0;
555 LASSERT(set->set_completes);
557 /* try alloc objects on other osts if osc_create fails for
558 * exceptions: RPC failure, ENOSPC, etc */
559 if (set->set_count != set->set_success) {
560 list_for_each_entry (req, &set->set_list, rq_link) {
564 set->set_completes--;
565 req->rq_complete = 0;
567 rc = qos_remedy_create(set, req);
568 lov_update_create_set(set, req, rc);
575 /* no successful creates */
576 if (set->set_success == 0)
579 /* If there was an explicit stripe set, fail. Otherwise, we
580 * got some objects and that's not bad. */
581 if (set->set_count != set->set_success) {
584 set->set_count = set->set_success;
590 GOTO(cleanup, rc = -ENOMEM);
592 list_for_each_entry(req, &set->set_list, rq_link) {
593 if (!req->rq_complete || req->rq_rc)
595 lov_merge_attrs(ret_oa, req->rq_oi.oi_oa,
596 req->rq_oi.oi_oa->o_valid, set->set_oi->oi_md,
597 req->rq_stripe, &attrset);
599 if (src_oa->o_valid & OBD_MD_FLSIZE &&
600 ret_oa->o_size != src_oa->o_size) {
601 CERROR("original size "LPU64" isn't new object size "LPU64"\n",
602 src_oa->o_size, ret_oa->o_size);
605 ret_oa->o_id = src_oa->o_id;
606 ret_oa->o_gr = src_oa->o_gr;
607 ret_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
608 memcpy(src_oa, ret_oa, sizeof(*src_oa));
611 *lsmp = set->set_oi->oi_md;
615 list_for_each_entry(req, &set->set_list, rq_link) {
616 struct obd_export *sub_exp;
619 if (!req->rq_complete || req->rq_rc)
622 sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
623 err = obd_destroy(sub_exp, req->rq_oi.oi_oa, NULL, oti, NULL,
626 CERROR("Failed to uncreate objid "LPX64" subobj "
627 LPX64" on OST idx %d: rc = %d\n",
628 src_oa->o_id, req->rq_oi.oi_oa->o_id,
632 obd_free_memmd(exp, &set->set_oi->oi_md);
634 if (oti && set->set_cookies) {
635 oti->oti_logcookies = set->set_cookies;
636 if (!set->set_cookie_sent) {
637 oti_free_cookies(oti);
638 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
640 src_oa->o_valid |= OBD_MD_FLCOOKIE;
646 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
653 LASSERT(set->set_exp);
654 if (set->set_completes)
655 rc = create_done(set->set_exp, set, lsmp);
657 if (atomic_dec_and_test(&set->set_refcount))
663 int lov_update_create_set(struct lov_request_set *set,
664 struct lov_request *req, int rc)
666 struct obd_trans_info *oti = set->set_oti;
667 struct lov_stripe_md *lsm = set->set_oi->oi_md;
668 struct lov_oinfo *loi;
669 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
672 req->rq_stripe = set->set_success;
673 loi = lsm->lsm_oinfo[req->rq_stripe];
675 if (rc && lov->lov_tgts[req->rq_idx] &&
676 lov->lov_tgts[req->rq_idx]->ltd_active) {
677 CERROR("error creating fid "LPX64" sub-object"
678 " on OST idx %d/%d: rc = %d\n",
679 set->set_oi->oi_oa->o_id, req->rq_idx,
680 lsm->lsm_stripe_count, rc);
682 CERROR("obd_create returned invalid err %d\n", rc);
686 lov_update_set(set, req, rc);
690 loi->loi_id = req->rq_oi.oi_oa->o_id;
691 loi->loi_gr = req->rq_oi.oi_oa->o_gr;
692 loi->loi_ost_idx = req->rq_idx;
693 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
694 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
697 if (oti && set->set_cookies)
698 ++oti->oti_logcookies;
699 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
700 set->set_cookie_sent++;
705 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
706 struct lov_stripe_md **lsmp, struct obdo *src_oa,
707 struct obd_trans_info *oti,
708 struct lov_request_set **reqset)
710 struct lov_request_set *set;
714 OBD_ALLOC(set, sizeof(*set));
721 set->set_oi->oi_md = *lsmp;
722 set->set_oi->oi_oa = src_oa;
725 rc = qos_prep_create(exp, set);
727 lov_fini_create_set(set, lsmp);
733 static int common_attr_done(struct lov_request_set *set)
735 struct list_head *pos;
736 struct lov_request *req;
738 int rc = 0, attrset = 0;
741 LASSERT(set->set_oi != NULL);
743 if (set->set_oi->oi_oa == NULL)
746 if (!set->set_success)
751 GOTO(out, rc = -ENOMEM);
753 list_for_each (pos, &set->set_list) {
754 req = list_entry(pos, struct lov_request, rq_link);
756 if (!req->rq_complete || req->rq_rc)
758 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
760 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
761 req->rq_oi.oi_oa->o_valid,
762 set->set_oi->oi_md, req->rq_stripe, &attrset);
765 CERROR("No stripes had valid attrs\n");
768 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
769 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
777 static int brw_done(struct lov_request_set *set)
779 struct lov_stripe_md *lsm = set->set_oi->oi_md;
780 struct lov_oinfo *loi = NULL;
781 struct list_head *pos;
782 struct lov_request *req;
785 list_for_each (pos, &set->set_list) {
786 req = list_entry(pos, struct lov_request, rq_link);
788 if (!req->rq_complete || req->rq_rc)
791 loi = lsm->lsm_oinfo[req->rq_stripe];
793 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
794 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
800 int lov_fini_brw_set(struct lov_request_set *set)
807 LASSERT(set->set_exp);
808 if (set->set_completes) {
810 /* FIXME update qos data here */
812 if (atomic_dec_and_test(&set->set_refcount))
818 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
819 obd_count oa_bufs, struct brw_page *pga,
820 struct obd_trans_info *oti,
821 struct lov_request_set **reqset)
828 struct lov_request_set *set;
829 struct lov_obd *lov = &exp->exp_obd->u.lov;
830 int rc = 0, i, shift;
833 OBD_ALLOC(set, sizeof(*set));
841 set->set_oabufs = oa_bufs;
842 OBD_ALLOC(set->set_pga, oa_bufs * sizeof(*set->set_pga));
844 GOTO(out, rc = -ENOMEM);
846 OBD_ALLOC(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
848 GOTO(out, rc = -ENOMEM);
850 /* calculate the page count for each stripe */
851 for (i = 0; i < oa_bufs; i++) {
852 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
853 info[stripe].count++;
856 /* alloc and initialize lov request */
858 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
859 struct lov_oinfo *loi = NULL;
860 struct lov_request *req;
862 if (info[i].count == 0)
865 loi = oinfo->oi_md->lsm_oinfo[i];
866 if (!lov->lov_tgts[loi->loi_ost_idx] ||
867 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
868 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
869 GOTO(out, rc = -EIO);
872 OBD_ALLOC(req, sizeof(*req));
874 GOTO(out, rc = -ENOMEM);
876 OBDO_ALLOC(req->rq_oi.oi_oa);
877 if (req->rq_oi.oi_oa == NULL) {
878 OBD_FREE(req, sizeof(*req));
879 GOTO(out, rc = -ENOMEM);
883 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
884 sizeof(*req->rq_oi.oi_oa));
886 req->rq_oi.oi_oa->o_id = loi->loi_id;
887 req->rq_oi.oi_oa->o_stripe_idx = i;
889 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
890 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
891 if (req->rq_oi.oi_md == NULL) {
892 OBDO_FREE(req->rq_oi.oi_oa);
893 OBD_FREE(req, sizeof(*req));
894 GOTO(out, rc = -ENOMEM);
897 req->rq_idx = loi->loi_ost_idx;
900 /* XXX LOV STACKING */
901 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
902 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
903 req->rq_oabufs = info[i].count;
904 req->rq_pgaidx = shift;
905 shift += req->rq_oabufs;
907 /* remember the index for sort brw_page array */
908 info[i].index = req->rq_pgaidx;
910 req->rq_oi.oi_capa = oinfo->oi_capa;
912 lov_set_add_req(req, set);
915 GOTO(out, rc = -EIO);
917 /* rotate & sort the brw_page array */
918 for (i = 0; i < oa_bufs; i++) {
919 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
921 shift = info[stripe].index + info[stripe].off;
922 LASSERT(shift < oa_bufs);
923 set->set_pga[shift] = pga[i];
924 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
925 &set->set_pga[shift].off);
930 OBD_FREE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
935 lov_fini_brw_set(set);
940 int lov_fini_getattr_set(struct lov_request_set *set)
947 LASSERT(set->set_exp);
948 if (set->set_completes)
949 rc = common_attr_done(set);
951 if (atomic_dec_and_test(&set->set_refcount))
957 /* The callback for osc_getattr_async that finilizes a request info when a
958 * response is recieved. */
959 static int cb_getattr_update(void *cookie, int rc)
961 struct obd_info *oinfo = cookie;
962 struct lov_request *lovreq;
963 lovreq = container_of(oinfo, struct lov_request, rq_oi);
964 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
967 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
968 struct lov_request_set **reqset)
970 struct lov_request_set *set;
971 struct lov_obd *lov = &exp->exp_obd->u.lov;
975 OBD_ALLOC(set, sizeof(*set));
983 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
984 struct lov_oinfo *loi;
985 struct lov_request *req;
987 loi = oinfo->oi_md->lsm_oinfo[i];
988 if (!lov->lov_tgts[loi->loi_ost_idx] ||
989 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
990 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
994 OBD_ALLOC(req, sizeof(*req));
996 GOTO(out_set, rc = -ENOMEM);
999 req->rq_idx = loi->loi_ost_idx;
1001 OBDO_ALLOC(req->rq_oi.oi_oa);
1002 if (req->rq_oi.oi_oa == NULL) {
1003 OBD_FREE(req, sizeof(*req));
1004 GOTO(out_set, rc = -ENOMEM);
1006 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1007 sizeof(*req->rq_oi.oi_oa));
1008 req->rq_oi.oi_oa->o_id = loi->loi_id;
1009 req->rq_oi.oi_cb_up = cb_getattr_update;
1010 req->rq_oi.oi_capa = oinfo->oi_capa;
1011 req->rq_rqset = set;
1013 lov_set_add_req(req, set);
1015 if (!set->set_count)
1016 GOTO(out_set, rc = -EIO);
1020 lov_fini_getattr_set(set);
1024 int lov_fini_destroy_set(struct lov_request_set *set)
1030 LASSERT(set->set_exp);
1031 if (set->set_completes) {
1032 /* FIXME update qos data here */
1035 if (atomic_dec_and_test(&set->set_refcount))
1036 lov_finish_set(set);
1041 int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
1042 struct obdo *src_oa, struct lov_stripe_md *lsm,
1043 struct obd_trans_info *oti,
1044 struct lov_request_set **reqset)
1046 struct lov_request_set *set;
1047 struct lov_obd *lov = &exp->exp_obd->u.lov;
1051 OBD_ALLOC(set, sizeof(*set));
1057 set->set_oi = oinfo;
1058 set->set_oi->oi_md = lsm;
1059 set->set_oi->oi_oa = src_oa;
1061 if (oti != NULL && src_oa->o_valid & OBD_MD_FLCOOKIE)
1062 set->set_cookies = oti->oti_logcookies;
1064 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1065 struct lov_oinfo *loi;
1066 struct lov_request *req;
1068 loi = lsm->lsm_oinfo[i];
1069 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1070 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1071 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1075 OBD_ALLOC(req, sizeof(*req));
1077 GOTO(out_set, rc = -ENOMEM);
1080 req->rq_idx = loi->loi_ost_idx;
1082 OBDO_ALLOC(req->rq_oi.oi_oa);
1083 if (req->rq_oi.oi_oa == NULL) {
1084 OBD_FREE(req, sizeof(*req));
1085 GOTO(out_set, rc = -ENOMEM);
1087 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1088 req->rq_oi.oi_oa->o_id = loi->loi_id;
1089 lov_set_add_req(req, set);
1091 if (!set->set_count)
1092 GOTO(out_set, rc = -EIO);
1096 lov_fini_destroy_set(set);
1100 int lov_fini_setattr_set(struct lov_request_set *set)
1107 LASSERT(set->set_exp);
1108 if (set->set_completes) {
1109 rc = common_attr_done(set);
1110 /* FIXME update qos data here */
1113 if (atomic_dec_and_test(&set->set_refcount))
1114 lov_finish_set(set);
1118 int lov_update_setattr_set(struct lov_request_set *set,
1119 struct lov_request *req, int rc)
1121 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1122 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1125 lov_update_set(set, req, rc);
1127 /* grace error on inactive ost */
1128 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1129 lov->lov_tgts[req->rq_idx]->ltd_active))
1133 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1134 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1135 req->rq_oi.oi_oa->o_ctime;
1136 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1137 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1138 req->rq_oi.oi_oa->o_mtime;
1139 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1140 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1141 req->rq_oi.oi_oa->o_atime;
1147 /* The callback for osc_setattr_async that finilizes a request info when a
1148 * response is recieved. */
1149 static int cb_setattr_update(void *cookie, int rc)
1151 struct obd_info *oinfo = cookie;
1152 struct lov_request *lovreq;
1153 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1154 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1157 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1158 struct obd_trans_info *oti,
1159 struct lov_request_set **reqset)
1161 struct lov_request_set *set;
1162 struct lov_obd *lov = &exp->exp_obd->u.lov;
1166 OBD_ALLOC(set, sizeof(*set));
1173 set->set_oi = oinfo;
1174 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1175 set->set_cookies = oti->oti_logcookies;
1177 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1178 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1179 struct lov_request *req;
1181 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1182 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1183 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1187 OBD_ALLOC(req, sizeof(*req));
1189 GOTO(out_set, rc = -ENOMEM);
1191 req->rq_idx = loi->loi_ost_idx;
1193 OBDO_ALLOC(req->rq_oi.oi_oa);
1194 if (req->rq_oi.oi_oa == NULL) {
1195 OBD_FREE(req, sizeof(*req));
1196 GOTO(out_set, rc = -ENOMEM);
1198 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1199 sizeof(*req->rq_oi.oi_oa));
1200 req->rq_oi.oi_oa->o_id = loi->loi_id;
1201 LASSERTF(!(req->rq_oi.oi_oa->o_valid & OBD_MD_FLGROUP) ||
1202 CHECK_MDS_GROUP(req->rq_oi.oi_oa->o_gr),
1203 "req->rq_oi.oi_oa->o_valid="LPX64" "
1204 "req->rq_oi.oi_oa->o_gr="LPU64"\n",
1205 req->rq_oi.oi_oa->o_valid, req->rq_oi.oi_oa->o_gr);
1206 req->rq_oi.oi_oa->o_stripe_idx = i;
1207 req->rq_oi.oi_cb_up = cb_setattr_update;
1208 req->rq_oi.oi_capa = oinfo->oi_capa;
1209 req->rq_rqset = set;
1211 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1212 int off = lov_stripe_offset(oinfo->oi_md,
1213 oinfo->oi_oa->o_size, i,
1214 &req->rq_oi.oi_oa->o_size);
1216 if (off < 0 && req->rq_oi.oi_oa->o_size)
1217 req->rq_oi.oi_oa->o_size--;
1219 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1220 i, req->rq_oi.oi_oa->o_size,
1221 oinfo->oi_oa->o_size);
1223 lov_set_add_req(req, set);
1225 if (!set->set_count)
1226 GOTO(out_set, rc = -EIO);
1230 lov_fini_setattr_set(set);
1234 int lov_fini_punch_set(struct lov_request_set *set)
1241 LASSERT(set->set_exp);
1242 if (set->set_completes) {
1244 /* FIXME update qos data here */
1245 if (set->set_success)
1246 rc = common_attr_done(set);
1249 if (atomic_dec_and_test(&set->set_refcount))
1250 lov_finish_set(set);
1255 int lov_update_punch_set(struct lov_request_set *set,
1256 struct lov_request *req, int rc)
1258 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1259 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1262 lov_update_set(set, req, rc);
1264 /* grace error on inactive ost */
1265 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1269 lov_stripe_lock(lsm);
1270 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1271 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1272 req->rq_oi.oi_oa->o_blocks;
1275 /* Do we need to update lvb_size here? It needn't because
1276 * it have been done in ll_truncate(). -jay */
1277 lov_stripe_unlock(lsm);
1283 /* The callback for osc_punch that finilizes a request info when a response
1285 static int cb_update_punch(void *cookie, int rc)
1287 struct obd_info *oinfo = cookie;
1288 struct lov_request *lovreq;
1289 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1290 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1293 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1294 struct obd_trans_info *oti,
1295 struct lov_request_set **reqset)
1297 struct lov_request_set *set;
1298 struct lov_obd *lov = &exp->exp_obd->u.lov;
1302 OBD_ALLOC(set, sizeof(*set));
1307 set->set_oi = oinfo;
1310 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1311 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1312 struct lov_request *req;
1315 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1316 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1317 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1321 if (!lov_stripe_intersects(oinfo->oi_md, i,
1322 oinfo->oi_policy.l_extent.start,
1323 oinfo->oi_policy.l_extent.end,
1327 OBD_ALLOC(req, sizeof(*req));
1329 GOTO(out_set, rc = -ENOMEM);
1331 req->rq_idx = loi->loi_ost_idx;
1333 OBDO_ALLOC(req->rq_oi.oi_oa);
1334 if (req->rq_oi.oi_oa == NULL) {
1335 OBD_FREE(req, sizeof(*req));
1336 GOTO(out_set, rc = -ENOMEM);
1338 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1339 sizeof(*req->rq_oi.oi_oa));
1340 req->rq_oi.oi_oa->o_id = loi->loi_id;
1341 req->rq_oi.oi_oa->o_gr = loi->loi_gr;
1342 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1344 req->rq_oi.oi_oa->o_stripe_idx = i;
1345 req->rq_oi.oi_cb_up = cb_update_punch;
1346 req->rq_rqset = set;
1348 req->rq_oi.oi_policy.l_extent.start = rs;
1349 req->rq_oi.oi_policy.l_extent.end = re;
1350 req->rq_oi.oi_policy.l_extent.gid = -1;
1352 req->rq_oi.oi_capa = oinfo->oi_capa;
1354 lov_set_add_req(req, set);
1356 if (!set->set_count)
1357 GOTO(out_set, rc = -EIO);
1361 lov_fini_punch_set(set);
1365 int lov_fini_sync_set(struct lov_request_set *set)
1372 LASSERT(set->set_exp);
1373 if (set->set_completes) {
1374 if (!set->set_success)
1376 /* FIXME update qos data here */
1379 if (atomic_dec_and_test(&set->set_refcount))
1380 lov_finish_set(set);
1385 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1386 struct obdo *src_oa, struct lov_stripe_md *lsm,
1387 obd_off start, obd_off end,
1388 struct lov_request_set **reqset)
1390 struct lov_request_set *set;
1391 struct lov_obd *lov = &exp->exp_obd->u.lov;
1395 OBD_ALLOC(set, sizeof(*set));
1401 set->set_oi = oinfo;
1402 set->set_oi->oi_md = lsm;
1403 set->set_oi->oi_oa = src_oa;
1405 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1406 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
1407 struct lov_request *req;
1410 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1411 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1412 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1416 if (!lov_stripe_intersects(lsm, i, start, end, &rs, &re))
1419 OBD_ALLOC(req, sizeof(*req));
1421 GOTO(out_set, rc = -ENOMEM);
1423 req->rq_idx = loi->loi_ost_idx;
1425 OBDO_ALLOC(req->rq_oi.oi_oa);
1426 if (req->rq_oi.oi_oa == NULL) {
1427 OBD_FREE(req, sizeof(*req));
1428 GOTO(out_set, rc = -ENOMEM);
1430 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1431 req->rq_oi.oi_oa->o_id = loi->loi_id;
1432 req->rq_oi.oi_oa->o_stripe_idx = i;
1434 req->rq_oi.oi_policy.l_extent.start = rs;
1435 req->rq_oi.oi_policy.l_extent.end = re;
1436 req->rq_oi.oi_policy.l_extent.gid = -1;
1438 lov_set_add_req(req, set);
1440 if (!set->set_count)
1441 GOTO(out_set, rc = -EIO);
1445 lov_fini_sync_set(set);
1449 #define LOV_U64_MAX ((__u64)~0ULL)
1450 #define LOV_SUM_MAX(tot, add) \
1452 if ((tot) + (add) < (tot)) \
1453 (tot) = LOV_U64_MAX; \
1458 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1463 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov, 0);
1465 if (osfs->os_files != LOV_U64_MAX)
1466 do_div(osfs->os_files, expected_stripes);
1467 if (osfs->os_ffree != LOV_U64_MAX)
1468 do_div(osfs->os_ffree, expected_stripes);
1470 spin_lock(&obd->obd_osfs_lock);
1471 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1472 obd->obd_osfs_age = cfs_time_current_64();
1473 spin_unlock(&obd->obd_osfs_lock);
1480 int lov_fini_statfs_set(struct lov_request_set *set)
1488 if (set->set_completes) {
1489 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1493 if (atomic_dec_and_test(&set->set_refcount))
1494 lov_finish_set(set);
1499 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1502 int shift = 0, quit = 0;
1506 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1508 if (osfs->os_bsize != lov_sfs->os_bsize) {
1509 /* assume all block sizes are always powers of 2 */
1510 /* get the bits difference */
1511 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1512 for (shift = 0; shift <= 64; ++shift) {
1524 if (osfs->os_bsize < lov_sfs->os_bsize) {
1525 osfs->os_bsize = lov_sfs->os_bsize;
1527 osfs->os_bfree >>= shift;
1528 osfs->os_bavail >>= shift;
1529 osfs->os_blocks >>= shift;
1530 } else if (shift != 0) {
1531 lov_sfs->os_bfree >>= shift;
1532 lov_sfs->os_bavail >>= shift;
1533 lov_sfs->os_blocks >>= shift;
1536 /* Sandia requested that df (and so, statfs) only
1537 returned minimal available space on
1538 a single OST, so people would be able to
1539 write this much data guaranteed. */
1540 if (osfs->os_bavail > lov_sfs->os_bavail) {
1541 /* Presumably if new bavail is smaller,
1542 new bfree is bigger as well */
1543 osfs->os_bfree = lov_sfs->os_bfree;
1544 osfs->os_bavail = lov_sfs->os_bavail;
1547 osfs->os_bfree += lov_sfs->os_bfree;
1548 osfs->os_bavail += lov_sfs->os_bavail;
1550 osfs->os_blocks += lov_sfs->os_blocks;
1551 /* XXX not sure about this one - depends on policy.
1552 * - could be minimum if we always stripe on all OBDs
1553 * (but that would be wrong for any other policy,
1554 * if one of the OBDs has no more objects left)
1555 * - could be sum if we stripe whole objects
1556 * - could be average, just to give a nice number
1558 * To give a "reasonable" (if not wholly accurate)
1559 * number, we divide the total number of free objects
1560 * by expected stripe count (watch out for overflow).
1562 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1563 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1567 /* The callback for osc_statfs_async that finilizes a request info when a
1568 * response is recieved. */
1569 static int cb_statfs_update(void *cookie, int rc)
1571 struct obd_info *oinfo = cookie;
1572 struct lov_request *lovreq;
1573 struct obd_statfs *osfs, *lov_sfs;
1574 struct obd_device *obd;
1575 struct lov_obd *lov;
1579 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1580 lov = &lovreq->rq_rqset->set_obd->u.lov;
1581 obd = class_exp2obd(lov->lov_tgts[lovreq->rq_idx]->ltd_exp);
1583 osfs = lovreq->rq_rqset->set_oi->oi_osfs;
1584 lov_sfs = oinfo->oi_osfs;
1586 success = lovreq->rq_rqset->set_success;
1588 /* XXX: the same is done in lov_update_common_set, however
1589 lovset->set_exp is not initialized. */
1590 lov_update_set(lovreq->rq_rqset, lovreq, rc);
1592 if (rc && !(lov->lov_tgts[lovreq->rq_idx] &&
1593 lov->lov_tgts[lovreq->rq_idx]->ltd_active))
1598 spin_lock(&obd->obd_osfs_lock);
1599 memcpy(&obd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1600 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1601 obd->obd_osfs_age = cfs_time_current_64();
1602 spin_unlock(&obd->obd_osfs_lock);
1604 lov_update_statfs(osfs, lov_sfs, success);
1610 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1611 struct lov_request_set **reqset)
1613 struct lov_request_set *set;
1614 struct lov_obd *lov = &obd->u.lov;
1618 OBD_ALLOC(set, sizeof(*set));
1624 set->set_oi = oinfo;
1626 /* We only get block data from the OBD */
1627 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1628 struct lov_request *req;
1630 if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active) {
1631 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1635 OBD_ALLOC(req, sizeof(*req));
1637 GOTO(out_set, rc = -ENOMEM);
1639 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1640 if (req->rq_oi.oi_osfs == NULL) {
1641 OBD_FREE(req, sizeof(*req));
1642 GOTO(out_set, rc = -ENOMEM);
1646 req->rq_oi.oi_cb_up = cb_statfs_update;
1647 req->rq_oi.oi_flags = oinfo->oi_flags;
1648 req->rq_rqset = set;
1650 lov_set_add_req(req, set);
1652 if (!set->set_count)
1653 GOTO(out_set, rc = -EIO);
1657 lov_fini_statfs_set(set);