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) 2005, 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.
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 cfs_atomic_set(&set->set_refcount, 1);
62 cfs_waitq_init(&set->set_waitq);
63 cfs_spin_lock_init(&set->set_lock);
66 void lov_finish_set(struct lov_request_set *set)
72 cfs_list_for_each_safe(pos, n, &set->set_list) {
73 struct lov_request *req = cfs_list_entry(pos,
76 cfs_list_del_init(&req->rq_link);
79 OBDO_FREE(req->rq_oi.oi_oa);
81 OBD_FREE_LARGE(req->rq_oi.oi_md, req->rq_buflen);
82 if (req->rq_oi.oi_osfs)
83 OBD_FREE(req->rq_oi.oi_osfs,
84 sizeof(*req->rq_oi.oi_osfs));
85 OBD_FREE(req, sizeof(*req));
89 int len = set->set_oabufs * sizeof(*set->set_pga);
90 OBD_FREE_LARGE(set->set_pga, len);
93 lov_llh_put(set->set_lockh);
95 OBD_FREE(set, sizeof(*set));
99 int lov_finished_set(struct lov_request_set *set)
101 CDEBUG(D_INFO, "check set %d/%d\n", set->set_completes,
103 return set->set_completes == set->set_count;
106 void lov_update_set(struct lov_request_set *set,
107 struct lov_request *req, int rc)
109 req->rq_complete = 1;
112 set->set_completes++;
116 cfs_waitq_signal(&set->set_waitq);
119 int lov_update_common_set(struct lov_request_set *set,
120 struct lov_request *req, int rc)
122 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
125 lov_update_set(set, req, rc);
127 /* grace error on inactive ost */
128 if (rc && !(lov->lov_tgts[req->rq_idx] &&
129 lov->lov_tgts[req->rq_idx]->ltd_active))
132 /* FIXME in raid1 regime, should return 0 */
136 void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
138 cfs_list_add_tail(&req->rq_link, &set->set_list);
143 extern void osc_update_enqueue(struct lustre_handle *lov_lockhp,
144 struct lov_oinfo *loi, int flags,
145 struct ost_lvb *lvb, __u32 mode, int rc);
147 static int lov_update_enqueue_lov(struct obd_export *exp,
148 struct lustre_handle *lov_lockhp,
149 struct lov_oinfo *loi, int flags, int idx,
152 struct lov_obd *lov = &exp->exp_obd->u.lov;
154 if (rc != ELDLM_OK &&
155 !(rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT))) {
156 memset(lov_lockhp, 0, sizeof(*lov_lockhp));
157 if (lov->lov_tgts[idx] && lov->lov_tgts[idx]->ltd_active) {
158 /* -EUSERS used by OST to report file contention */
159 if (rc != -EINTR && rc != -EUSERS)
160 CERROR("enqueue objid "LPX64" subobj "
161 LPX64" on OST idx %d: rc %d\n",
162 oid, loi->loi_id, loi->loi_ost_idx, rc);
169 int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
171 struct lov_request_set *set = req->rq_rqset;
172 struct lustre_handle *lov_lockhp;
173 struct obd_info *oi = set->set_oi;
174 struct lov_oinfo *loi;
179 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
180 loi = oi->oi_md->lsm_oinfo[req->rq_stripe];
182 /* XXX LOV STACKING: OSC gets a copy, created in lov_prep_enqueue_set
183 * and that copy can be arbitrarily out of date.
185 * The LOV API is due for a serious rewriting anyways, and this
186 * can be addressed then. */
188 lov_stripe_lock(oi->oi_md);
189 osc_update_enqueue(lov_lockhp, loi, oi->oi_flags,
190 &req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb, mode, rc);
191 if (rc == ELDLM_LOCK_ABORTED && (oi->oi_flags & LDLM_FL_HAS_INTENT))
192 memset(lov_lockhp, 0, sizeof *lov_lockhp);
193 rc = lov_update_enqueue_lov(set->set_exp, lov_lockhp, loi, oi->oi_flags,
194 req->rq_idx, oi->oi_md->lsm_object_id, rc);
195 lov_stripe_unlock(oi->oi_md);
196 lov_update_set(set, req, rc);
200 /* The callback for osc_enqueue that updates lov info for every OSC request. */
201 static int cb_update_enqueue(void *cookie, int rc)
203 struct obd_info *oinfo = cookie;
204 struct ldlm_enqueue_info *einfo;
205 struct lov_request *lovreq;
207 lovreq = container_of(oinfo, struct lov_request, rq_oi);
208 einfo = lovreq->rq_rqset->set_ei;
209 return lov_update_enqueue_set(lovreq, einfo->ei_mode, rc);
212 static int enqueue_done(struct lov_request_set *set, __u32 mode)
214 struct lov_request *req;
215 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
219 /* enqueue/match success, just return */
220 if (set->set_completes && set->set_completes == set->set_success)
223 /* cancel enqueued/matched locks */
224 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
225 struct lustre_handle *lov_lockhp;
227 if (!req->rq_complete || req->rq_rc)
230 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
232 if (!lustre_handle_is_used(lov_lockhp))
235 rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
236 req->rq_oi.oi_md, mode, lov_lockhp);
237 if (rc && lov->lov_tgts[req->rq_idx] &&
238 lov->lov_tgts[req->rq_idx]->ltd_active)
239 CERROR("cancelling obdjid "LPX64" on OST "
240 "idx %d error: rc = %d\n",
241 req->rq_oi.oi_md->lsm_object_id,
245 lov_llh_put(set->set_lockh);
249 int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
250 struct ptlrpc_request_set *rqset)
257 LASSERT(set->set_exp);
258 /* Do enqueue_done only for sync requests and if any request
262 set->set_completes = 0;
263 ret = enqueue_done(set, mode);
264 } else if (set->set_lockh)
265 lov_llh_put(set->set_lockh);
269 RETURN(rc ? rc : ret);
272 int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
273 struct ldlm_enqueue_info *einfo,
274 struct lov_request_set **reqset)
276 struct lov_obd *lov = &exp->exp_obd->u.lov;
277 struct lov_request_set *set;
281 OBD_ALLOC(set, sizeof(*set));
289 set->set_lockh = lov_llh_new(oinfo->oi_md);
290 if (set->set_lockh == NULL)
291 GOTO(out_set, rc = -ENOMEM);
292 oinfo->oi_lockh->cookie = set->set_lockh->llh_handle.h_cookie;
294 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
295 struct lov_oinfo *loi;
296 struct lov_request *req;
299 loi = oinfo->oi_md->lsm_oinfo[i];
300 if (!lov_stripe_intersects(oinfo->oi_md, i,
301 oinfo->oi_policy.l_extent.start,
302 oinfo->oi_policy.l_extent.end,
306 if (!lov->lov_tgts[loi->loi_ost_idx] ||
307 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
308 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
312 OBD_ALLOC(req, sizeof(*req));
314 GOTO(out_set, rc = -ENOMEM);
316 req->rq_buflen = sizeof(*req->rq_oi.oi_md) +
317 sizeof(struct lov_oinfo *) +
318 sizeof(struct lov_oinfo);
319 OBD_ALLOC_LARGE(req->rq_oi.oi_md, req->rq_buflen);
320 if (req->rq_oi.oi_md == NULL) {
321 OBD_FREE(req, sizeof(*req));
322 GOTO(out_set, rc = -ENOMEM);
324 req->rq_oi.oi_md->lsm_oinfo[0] =
325 ((void *)req->rq_oi.oi_md) + sizeof(*req->rq_oi.oi_md) +
326 sizeof(struct lov_oinfo *);
328 /* Set lov request specific parameters. */
329 req->rq_oi.oi_lockh = set->set_lockh->llh_handles + i;
330 req->rq_oi.oi_cb_up = cb_update_enqueue;
331 req->rq_oi.oi_flags = oinfo->oi_flags;
333 LASSERT(req->rq_oi.oi_lockh);
335 req->rq_oi.oi_policy.l_extent.gid =
336 oinfo->oi_policy.l_extent.gid;
337 req->rq_oi.oi_policy.l_extent.start = start;
338 req->rq_oi.oi_policy.l_extent.end = end;
340 req->rq_idx = loi->loi_ost_idx;
343 /* XXX LOV STACKING: submd should be from the subobj */
344 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
345 req->rq_oi.oi_md->lsm_object_seq = loi->loi_seq;
346 req->rq_oi.oi_md->lsm_stripe_count = 0;
347 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms_valid =
349 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms = loi->loi_kms;
350 req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb = loi->loi_lvb;
352 lov_set_add_req(req, set);
355 GOTO(out_set, rc = -EIO);
359 lov_fini_enqueue_set(set, einfo->ei_mode, rc, NULL);
363 int lov_update_match_set(struct lov_request_set *set, struct lov_request *req,
373 lov_update_set(set, req, ret);
377 int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
384 LASSERT(set->set_exp);
385 rc = enqueue_done(set, mode);
386 if ((set->set_count == set->set_success) &&
387 (flags & LDLM_FL_TEST_LOCK))
388 lov_llh_put(set->set_lockh);
395 int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
396 struct lov_stripe_md *lsm, ldlm_policy_data_t *policy,
397 __u32 mode, struct lustre_handle *lockh,
398 struct lov_request_set **reqset)
400 struct lov_obd *lov = &exp->exp_obd->u.lov;
401 struct lov_request_set *set;
405 OBD_ALLOC(set, sizeof(*set));
412 set->set_oi->oi_md = lsm;
413 set->set_lockh = lov_llh_new(lsm);
414 if (set->set_lockh == NULL)
415 GOTO(out_set, rc = -ENOMEM);
416 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
418 for (i = 0; i < lsm->lsm_stripe_count; i++){
419 struct lov_oinfo *loi;
420 struct lov_request *req;
423 loi = lsm->lsm_oinfo[i];
424 if (!lov_stripe_intersects(lsm, i, policy->l_extent.start,
425 policy->l_extent.end, &start, &end))
428 /* FIXME raid1 should grace this error */
429 if (!lov->lov_tgts[loi->loi_ost_idx] ||
430 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
431 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
432 GOTO(out_set, rc = -EIO);
435 OBD_ALLOC(req, sizeof(*req));
437 GOTO(out_set, rc = -ENOMEM);
439 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
440 OBD_ALLOC_LARGE(req->rq_oi.oi_md, req->rq_buflen);
441 if (req->rq_oi.oi_md == NULL) {
442 OBD_FREE(req, sizeof(*req));
443 GOTO(out_set, rc = -ENOMEM);
446 req->rq_oi.oi_policy.l_extent.start = start;
447 req->rq_oi.oi_policy.l_extent.end = end;
448 req->rq_oi.oi_policy.l_extent.gid = policy->l_extent.gid;
450 req->rq_idx = loi->loi_ost_idx;
453 /* XXX LOV STACKING: submd should be from the subobj */
454 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
455 req->rq_oi.oi_md->lsm_object_seq = loi->loi_seq;
456 req->rq_oi.oi_md->lsm_stripe_count = 0;
458 lov_set_add_req(req, set);
461 GOTO(out_set, rc = -EIO);
465 lov_fini_match_set(set, mode, 0);
469 int lov_fini_cancel_set(struct lov_request_set *set)
477 LASSERT(set->set_exp);
479 lov_llh_put(set->set_lockh);
486 int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
487 struct lov_stripe_md *lsm, __u32 mode,
488 struct lustre_handle *lockh,
489 struct lov_request_set **reqset)
491 struct lov_request_set *set;
495 OBD_ALLOC(set, sizeof(*set));
502 set->set_oi->oi_md = lsm;
503 set->set_lockh = lov_handle2llh(lockh);
504 if (set->set_lockh == NULL) {
505 CERROR("LOV: invalid lov lock handle %p\n", lockh);
506 GOTO(out_set, rc = -EINVAL);
508 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
510 for (i = 0; i < lsm->lsm_stripe_count; i++){
511 struct lov_request *req;
512 struct lustre_handle *lov_lockhp;
513 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
515 lov_lockhp = set->set_lockh->llh_handles + i;
516 if (!lustre_handle_is_used(lov_lockhp)) {
517 CDEBUG(D_INFO, "lov idx %d subobj "LPX64" no lock\n",
518 loi->loi_ost_idx, loi->loi_id);
522 OBD_ALLOC(req, sizeof(*req));
524 GOTO(out_set, rc = -ENOMEM);
526 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
527 OBD_ALLOC_LARGE(req->rq_oi.oi_md, req->rq_buflen);
528 if (req->rq_oi.oi_md == NULL) {
529 OBD_FREE(req, sizeof(*req));
530 GOTO(out_set, rc = -ENOMEM);
533 req->rq_idx = loi->loi_ost_idx;
536 /* XXX LOV STACKING: submd should be from the subobj */
537 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
538 req->rq_oi.oi_md->lsm_object_seq = loi->loi_seq;
539 req->rq_oi.oi_md->lsm_stripe_count = 0;
541 lov_set_add_req(req, set);
544 GOTO(out_set, rc = -EIO);
548 lov_fini_cancel_set(set);
552 static int lov_update_create_set(struct lov_request_set *set,
553 struct lov_request *req, int rc)
555 struct obd_trans_info *oti = set->set_oti;
556 struct lov_stripe_md *lsm = set->set_oi->oi_md;
557 struct lov_oinfo *loi;
558 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
561 if (rc && lov->lov_tgts[req->rq_idx] &&
562 lov->lov_tgts[req->rq_idx]->ltd_active) {
563 CERROR("error creating fid "LPX64" sub-object"
564 " on OST idx %d/%d: rc = %d\n",
565 set->set_oi->oi_oa->o_id, req->rq_idx,
566 lsm->lsm_stripe_count, rc);
568 CERROR("obd_create returned invalid err %d\n", rc);
573 cfs_spin_lock(&set->set_lock);
574 req->rq_stripe = set->set_success;
575 loi = lsm->lsm_oinfo[req->rq_stripe];
579 lov_update_set(set, req, rc);
580 cfs_spin_unlock(&set->set_lock);
584 loi->loi_id = req->rq_oi.oi_oa->o_id;
585 loi->loi_seq = req->rq_oi.oi_oa->o_seq;
586 loi->loi_ost_idx = req->rq_idx;
589 if (oti && set->set_cookies)
590 ++oti->oti_logcookies;
591 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
592 set->set_cookie_sent++;
594 lov_update_set(set, req, rc);
595 cfs_spin_unlock(&set->set_lock);
597 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
598 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
602 static int create_done(struct obd_export *exp, struct lov_request_set *set,
603 struct lov_stripe_md **lsmp)
605 struct lov_obd *lov = &exp->exp_obd->u.lov;
606 struct obd_trans_info *oti = set->set_oti;
607 struct obdo *src_oa = set->set_oi->oi_oa;
608 struct lov_request *req;
609 struct obdo *ret_oa = NULL;
610 int attrset = 0, rc = 0;
613 LASSERT(set->set_completes);
615 /* try alloc objects on other osts if osc_create fails for
616 * exceptions: RPC failure, ENOSPC, etc */
617 if (set->set_count != set->set_success) {
618 cfs_list_for_each_entry (req, &set->set_list, rq_link) {
622 set->set_completes--;
623 req->rq_complete = 0;
625 rc = qos_remedy_create(set, req);
626 lov_update_create_set(set, req, rc);
630 /* no successful creates */
631 if (set->set_success == 0)
634 if (set->set_count != set->set_success) {
635 set->set_count = set->set_success;
641 GOTO(cleanup, rc = -ENOMEM);
643 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
644 if (!req->rq_complete || req->rq_rc)
646 lov_merge_attrs(ret_oa, req->rq_oi.oi_oa,
647 req->rq_oi.oi_oa->o_valid, set->set_oi->oi_md,
648 req->rq_stripe, &attrset);
650 if (src_oa->o_valid & OBD_MD_FLSIZE &&
651 ret_oa->o_size != src_oa->o_size) {
652 CERROR("original size "LPU64" isn't new object size "LPU64"\n",
653 src_oa->o_size, ret_oa->o_size);
656 ret_oa->o_id = src_oa->o_id;
657 ret_oa->o_seq = src_oa->o_seq;
658 ret_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
659 memcpy(src_oa, ret_oa, sizeof(*src_oa));
662 *lsmp = set->set_oi->oi_md;
666 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
667 struct obd_export *sub_exp;
670 if (!req->rq_complete || req->rq_rc)
673 sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
674 err = obd_destroy(sub_exp, req->rq_oi.oi_oa, NULL, oti, NULL,
677 CERROR("Failed to uncreate objid "LPX64" subobj "
678 LPX64" on OST idx %d: rc = %d\n",
679 src_oa->o_id, req->rq_oi.oi_oa->o_id,
683 obd_free_memmd(exp, &set->set_oi->oi_md);
685 if (oti && set->set_cookies) {
686 oti->oti_logcookies = set->set_cookies;
687 if (!set->set_cookie_sent) {
688 oti_free_cookies(oti);
689 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
691 src_oa->o_valid |= OBD_MD_FLCOOKIE;
697 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
704 LASSERT(set->set_exp);
705 if (set->set_completes)
706 rc = create_done(set->set_exp, set, lsmp);
712 int cb_create_update(void *cookie, int rc)
714 struct obd_info *oinfo = cookie;
715 struct lov_request *lovreq;
717 lovreq = container_of(oinfo, struct lov_request, rq_oi);
719 if (CFS_FAIL_CHECK(OBD_FAIL_MDS_OSC_CREATE_FAIL))
720 if (lovreq->rq_idx == cfs_fail_val)
723 rc= lov_update_create_set(lovreq->rq_rqset, lovreq, rc);
724 if (lov_finished_set(lovreq->rq_rqset))
725 lov_put_reqset(lovreq->rq_rqset);
729 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
730 struct lov_stripe_md **lsmp, struct obdo *src_oa,
731 struct obd_trans_info *oti,
732 struct lov_request_set **reqset)
734 struct lov_request_set *set;
738 OBD_ALLOC(set, sizeof(*set));
745 set->set_oi->oi_md = *lsmp;
746 set->set_oi->oi_oa = src_oa;
750 rc = qos_prep_create(exp, set);
751 /* qos_shrink_lsm() may have allocated a new lsm */
752 *lsmp = oinfo->oi_md;
754 lov_fini_create_set(set, lsmp);
762 static int common_attr_done(struct lov_request_set *set)
765 struct lov_request *req;
767 int rc = 0, attrset = 0;
770 LASSERT(set->set_oi != NULL);
772 if (set->set_oi->oi_oa == NULL)
775 if (!set->set_success)
780 GOTO(out, rc = -ENOMEM);
782 cfs_list_for_each (pos, &set->set_list) {
783 req = cfs_list_entry(pos, struct lov_request, rq_link);
785 if (!req->rq_complete || req->rq_rc)
787 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
789 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
790 req->rq_oi.oi_oa->o_valid,
791 set->set_oi->oi_md, req->rq_stripe, &attrset);
794 CERROR("No stripes had valid attrs\n");
797 if ((set->set_oi->oi_oa->o_valid & OBD_MD_FLEPOCH) &&
798 (set->set_oi->oi_md->lsm_stripe_count != attrset)) {
799 /* When we take attributes of some epoch, we require all the
800 * ost to be active. */
801 CERROR("Not all the stripes had valid attrs\n");
802 GOTO(out, rc = -EIO);
805 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
806 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
814 static int brw_done(struct lov_request_set *set)
816 struct lov_stripe_md *lsm = set->set_oi->oi_md;
817 struct lov_oinfo *loi = NULL;
819 struct lov_request *req;
822 cfs_list_for_each (pos, &set->set_list) {
823 req = cfs_list_entry(pos, struct lov_request, rq_link);
825 if (!req->rq_complete || req->rq_rc)
828 loi = lsm->lsm_oinfo[req->rq_stripe];
830 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
831 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
837 int lov_fini_brw_set(struct lov_request_set *set)
844 LASSERT(set->set_exp);
845 if (set->set_completes) {
847 /* FIXME update qos data here */
854 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
855 obd_count oa_bufs, struct brw_page *pga,
856 struct obd_trans_info *oti,
857 struct lov_request_set **reqset)
864 struct lov_request_set *set;
865 struct lov_obd *lov = &exp->exp_obd->u.lov;
866 int rc = 0, i, shift;
869 OBD_ALLOC(set, sizeof(*set));
877 set->set_oabufs = oa_bufs;
878 OBD_ALLOC_LARGE(set->set_pga, oa_bufs * sizeof(*set->set_pga));
880 GOTO(out, rc = -ENOMEM);
882 OBD_ALLOC_LARGE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
884 GOTO(out, rc = -ENOMEM);
886 /* calculate the page count for each stripe */
887 for (i = 0; i < oa_bufs; i++) {
888 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
889 info[stripe].count++;
892 /* alloc and initialize lov request */
894 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
895 struct lov_oinfo *loi = NULL;
896 struct lov_request *req;
898 if (info[i].count == 0)
901 loi = oinfo->oi_md->lsm_oinfo[i];
902 if (!lov->lov_tgts[loi->loi_ost_idx] ||
903 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
904 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
905 GOTO(out, rc = -EIO);
908 OBD_ALLOC(req, sizeof(*req));
910 GOTO(out, rc = -ENOMEM);
912 OBDO_ALLOC(req->rq_oi.oi_oa);
913 if (req->rq_oi.oi_oa == NULL) {
914 OBD_FREE(req, sizeof(*req));
915 GOTO(out, rc = -ENOMEM);
919 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
920 sizeof(*req->rq_oi.oi_oa));
922 req->rq_oi.oi_oa->o_id = loi->loi_id;
923 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
924 req->rq_oi.oi_oa->o_stripe_idx = i;
926 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
927 OBD_ALLOC_LARGE(req->rq_oi.oi_md, req->rq_buflen);
928 if (req->rq_oi.oi_md == NULL) {
929 OBDO_FREE(req->rq_oi.oi_oa);
930 OBD_FREE(req, sizeof(*req));
931 GOTO(out, rc = -ENOMEM);
934 req->rq_idx = loi->loi_ost_idx;
937 /* XXX LOV STACKING */
938 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
939 req->rq_oi.oi_md->lsm_object_seq = loi->loi_seq;
940 req->rq_oabufs = info[i].count;
941 req->rq_pgaidx = shift;
942 shift += req->rq_oabufs;
944 /* remember the index for sort brw_page array */
945 info[i].index = req->rq_pgaidx;
947 req->rq_oi.oi_capa = oinfo->oi_capa;
949 lov_set_add_req(req, set);
952 GOTO(out, rc = -EIO);
954 /* rotate & sort the brw_page array */
955 for (i = 0; i < oa_bufs; i++) {
956 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
958 shift = info[stripe].index + info[stripe].off;
959 LASSERT(shift < oa_bufs);
960 set->set_pga[shift] = pga[i];
961 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
962 &set->set_pga[shift].off);
968 sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
973 lov_fini_brw_set(set);
978 int lov_fini_getattr_set(struct lov_request_set *set)
985 LASSERT(set->set_exp);
986 if (set->set_completes)
987 rc = common_attr_done(set);
994 /* The callback for osc_getattr_async that finilizes a request info when a
995 * response is received. */
996 static int cb_getattr_update(void *cookie, int rc)
998 struct obd_info *oinfo = cookie;
999 struct lov_request *lovreq;
1000 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1001 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
1004 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
1005 struct lov_request_set **reqset)
1007 struct lov_request_set *set;
1008 struct lov_obd *lov = &exp->exp_obd->u.lov;
1012 OBD_ALLOC(set, sizeof(*set));
1018 set->set_oi = oinfo;
1020 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1021 struct lov_oinfo *loi;
1022 struct lov_request *req;
1024 loi = oinfo->oi_md->lsm_oinfo[i];
1025 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1026 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1027 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1028 if (oinfo->oi_oa->o_valid & OBD_MD_FLEPOCH)
1029 /* SOM requires all the OSTs to be active. */
1030 GOTO(out_set, rc = -EIO);
1034 OBD_ALLOC(req, sizeof(*req));
1036 GOTO(out_set, rc = -ENOMEM);
1039 req->rq_idx = loi->loi_ost_idx;
1041 OBDO_ALLOC(req->rq_oi.oi_oa);
1042 if (req->rq_oi.oi_oa == NULL) {
1043 OBD_FREE(req, sizeof(*req));
1044 GOTO(out_set, rc = -ENOMEM);
1046 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1047 sizeof(*req->rq_oi.oi_oa));
1048 req->rq_oi.oi_oa->o_id = loi->loi_id;
1049 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
1050 req->rq_oi.oi_cb_up = cb_getattr_update;
1051 req->rq_oi.oi_capa = oinfo->oi_capa;
1053 lov_set_add_req(req, set);
1055 if (!set->set_count)
1056 GOTO(out_set, rc = -EIO);
1060 lov_fini_getattr_set(set);
1064 int lov_fini_destroy_set(struct lov_request_set *set)
1070 LASSERT(set->set_exp);
1071 if (set->set_completes) {
1072 /* FIXME update qos data here */
1075 lov_put_reqset(set);
1080 int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
1081 struct obdo *src_oa, struct lov_stripe_md *lsm,
1082 struct obd_trans_info *oti,
1083 struct lov_request_set **reqset)
1085 struct lov_request_set *set;
1086 struct lov_obd *lov = &exp->exp_obd->u.lov;
1090 OBD_ALLOC(set, sizeof(*set));
1096 set->set_oi = oinfo;
1097 set->set_oi->oi_md = lsm;
1098 set->set_oi->oi_oa = src_oa;
1100 if (oti != NULL && src_oa->o_valid & OBD_MD_FLCOOKIE)
1101 set->set_cookies = oti->oti_logcookies;
1103 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1104 struct lov_oinfo *loi;
1105 struct lov_request *req;
1107 loi = lsm->lsm_oinfo[i];
1108 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1109 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1110 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1114 OBD_ALLOC(req, sizeof(*req));
1116 GOTO(out_set, rc = -ENOMEM);
1119 req->rq_idx = loi->loi_ost_idx;
1121 OBDO_ALLOC(req->rq_oi.oi_oa);
1122 if (req->rq_oi.oi_oa == NULL) {
1123 OBD_FREE(req, sizeof(*req));
1124 GOTO(out_set, rc = -ENOMEM);
1126 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1127 req->rq_oi.oi_oa->o_id = loi->loi_id;
1128 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
1129 lov_set_add_req(req, set);
1131 if (!set->set_count)
1132 GOTO(out_set, rc = -EIO);
1136 lov_fini_destroy_set(set);
1140 int lov_fini_setattr_set(struct lov_request_set *set)
1147 LASSERT(set->set_exp);
1148 if (set->set_completes) {
1149 rc = common_attr_done(set);
1150 /* FIXME update qos data here */
1153 lov_put_reqset(set);
1157 int lov_update_setattr_set(struct lov_request_set *set,
1158 struct lov_request *req, int rc)
1160 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1161 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1164 lov_update_set(set, req, rc);
1166 /* grace error on inactive ost */
1167 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1168 lov->lov_tgts[req->rq_idx]->ltd_active))
1172 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1173 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1174 req->rq_oi.oi_oa->o_ctime;
1175 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1176 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1177 req->rq_oi.oi_oa->o_mtime;
1178 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1179 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1180 req->rq_oi.oi_oa->o_atime;
1186 /* The callback for osc_setattr_async that finilizes a request info when a
1187 * response is received. */
1188 static int cb_setattr_update(void *cookie, int rc)
1190 struct obd_info *oinfo = cookie;
1191 struct lov_request *lovreq;
1192 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1193 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1196 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1197 struct obd_trans_info *oti,
1198 struct lov_request_set **reqset)
1200 struct lov_request_set *set;
1201 struct lov_obd *lov = &exp->exp_obd->u.lov;
1205 OBD_ALLOC(set, sizeof(*set));
1212 set->set_oi = oinfo;
1213 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1214 set->set_cookies = oti->oti_logcookies;
1216 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1217 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1218 struct lov_request *req;
1220 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1221 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1222 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1226 OBD_ALLOC(req, sizeof(*req));
1228 GOTO(out_set, rc = -ENOMEM);
1230 req->rq_idx = loi->loi_ost_idx;
1232 OBDO_ALLOC(req->rq_oi.oi_oa);
1233 if (req->rq_oi.oi_oa == NULL) {
1234 OBD_FREE(req, sizeof(*req));
1235 GOTO(out_set, rc = -ENOMEM);
1237 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1238 sizeof(*req->rq_oi.oi_oa));
1239 req->rq_oi.oi_oa->o_id = loi->loi_id;
1240 req->rq_oi.oi_oa->o_seq= loi->loi_seq;
1241 req->rq_oi.oi_oa->o_stripe_idx = i;
1242 req->rq_oi.oi_cb_up = cb_setattr_update;
1243 req->rq_oi.oi_capa = oinfo->oi_capa;
1245 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1246 int off = lov_stripe_offset(oinfo->oi_md,
1247 oinfo->oi_oa->o_size, i,
1248 &req->rq_oi.oi_oa->o_size);
1250 if (off < 0 && req->rq_oi.oi_oa->o_size)
1251 req->rq_oi.oi_oa->o_size--;
1253 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1254 i, req->rq_oi.oi_oa->o_size,
1255 oinfo->oi_oa->o_size);
1257 lov_set_add_req(req, set);
1259 if (!set->set_count)
1260 GOTO(out_set, rc = -EIO);
1264 lov_fini_setattr_set(set);
1268 int lov_fini_punch_set(struct lov_request_set *set)
1275 LASSERT(set->set_exp);
1276 if (set->set_completes) {
1278 /* FIXME update qos data here */
1279 if (set->set_success)
1280 rc = common_attr_done(set);
1283 lov_put_reqset(set);
1288 int lov_update_punch_set(struct lov_request_set *set,
1289 struct lov_request *req, int rc)
1291 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1292 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1295 lov_update_set(set, req, rc);
1297 /* grace error on inactive ost */
1298 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1302 lov_stripe_lock(lsm);
1303 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1304 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1305 req->rq_oi.oi_oa->o_blocks;
1308 /* Do we need to update lvb_size here? It needn't because
1309 * it have been done in ll_truncate(). -jay */
1310 lov_stripe_unlock(lsm);
1316 /* The callback for osc_punch that finilizes a request info when a response
1318 static int cb_update_punch(void *cookie, int rc)
1320 struct obd_info *oinfo = cookie;
1321 struct lov_request *lovreq;
1322 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1323 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1326 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1327 struct obd_trans_info *oti,
1328 struct lov_request_set **reqset)
1330 struct lov_request_set *set;
1331 struct lov_obd *lov = &exp->exp_obd->u.lov;
1335 OBD_ALLOC(set, sizeof(*set));
1340 set->set_oi = oinfo;
1343 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1344 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1345 struct lov_request *req;
1348 if (!lov_stripe_intersects(oinfo->oi_md, i,
1349 oinfo->oi_policy.l_extent.start,
1350 oinfo->oi_policy.l_extent.end,
1354 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1355 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1356 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1357 GOTO(out_set, rc = -EIO);
1360 OBD_ALLOC(req, sizeof(*req));
1362 GOTO(out_set, rc = -ENOMEM);
1364 req->rq_idx = loi->loi_ost_idx;
1366 OBDO_ALLOC(req->rq_oi.oi_oa);
1367 if (req->rq_oi.oi_oa == NULL) {
1368 OBD_FREE(req, sizeof(*req));
1369 GOTO(out_set, rc = -ENOMEM);
1371 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1372 sizeof(*req->rq_oi.oi_oa));
1373 req->rq_oi.oi_oa->o_id = loi->loi_id;
1374 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
1375 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1377 req->rq_oi.oi_oa->o_stripe_idx = i;
1378 req->rq_oi.oi_cb_up = cb_update_punch;
1380 req->rq_oi.oi_policy.l_extent.start = rs;
1381 req->rq_oi.oi_policy.l_extent.end = re;
1382 req->rq_oi.oi_policy.l_extent.gid = -1;
1384 req->rq_oi.oi_capa = oinfo->oi_capa;
1386 lov_set_add_req(req, set);
1388 if (!set->set_count)
1389 GOTO(out_set, rc = -EIO);
1393 lov_fini_punch_set(set);
1397 int lov_fini_sync_set(struct lov_request_set *set)
1404 LASSERT(set->set_exp);
1405 if (set->set_completes) {
1406 if (!set->set_success)
1408 /* FIXME update qos data here */
1411 lov_put_reqset(set);
1416 /* The callback for osc_sync that finilizes a request info when a
1417 * response is recieved. */
1418 static int cb_sync_update(void *cookie, int rc)
1420 struct obd_info *oinfo = cookie;
1421 struct lov_request *lovreq;
1423 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1424 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
1427 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1428 obd_off start, obd_off end,
1429 struct lov_request_set **reqset)
1431 struct lov_request_set *set;
1432 struct lov_obd *lov = &exp->exp_obd->u.lov;
1442 set->set_oi = oinfo;
1444 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1445 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1446 struct lov_request *req;
1449 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1450 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1451 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1455 if (!lov_stripe_intersects(oinfo->oi_md, i, start, end, &rs,
1461 GOTO(out_set, rc = -ENOMEM);
1463 req->rq_idx = loi->loi_ost_idx;
1465 OBDO_ALLOC(req->rq_oi.oi_oa);
1466 if (req->rq_oi.oi_oa == NULL) {
1467 OBD_FREE(req, sizeof(*req));
1468 GOTO(out_set, rc = -ENOMEM);
1470 *req->rq_oi.oi_oa = *oinfo->oi_oa;
1471 req->rq_oi.oi_oa->o_id = loi->loi_id;
1472 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
1473 req->rq_oi.oi_oa->o_stripe_idx = i;
1475 req->rq_oi.oi_policy.l_extent.start = rs;
1476 req->rq_oi.oi_policy.l_extent.end = re;
1477 req->rq_oi.oi_policy.l_extent.gid = -1;
1478 req->rq_oi.oi_cb_up = cb_sync_update;
1480 lov_set_add_req(req, set);
1482 if (!set->set_count)
1483 GOTO(out_set, rc = -EIO);
1487 lov_fini_sync_set(set);
1491 #define LOV_U64_MAX ((__u64)~0ULL)
1492 #define LOV_SUM_MAX(tot, add) \
1494 if ((tot) + (add) < (tot)) \
1495 (tot) = LOV_U64_MAX; \
1500 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1505 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov, 0);
1507 if (osfs->os_files != LOV_U64_MAX)
1508 do_div(osfs->os_files, expected_stripes);
1509 if (osfs->os_ffree != LOV_U64_MAX)
1510 do_div(osfs->os_ffree, expected_stripes);
1512 cfs_spin_lock(&obd->obd_osfs_lock);
1513 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1514 obd->obd_osfs_age = cfs_time_current_64();
1515 cfs_spin_unlock(&obd->obd_osfs_lock);
1522 int lov_fini_statfs_set(struct lov_request_set *set)
1530 if (set->set_completes) {
1531 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1534 lov_put_reqset(set);
1538 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1541 int shift = 0, quit = 0;
1545 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1547 if (osfs->os_bsize != lov_sfs->os_bsize) {
1548 /* assume all block sizes are always powers of 2 */
1549 /* get the bits difference */
1550 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1551 for (shift = 0; shift <= 64; ++shift) {
1563 if (osfs->os_bsize < lov_sfs->os_bsize) {
1564 osfs->os_bsize = lov_sfs->os_bsize;
1566 osfs->os_bfree >>= shift;
1567 osfs->os_bavail >>= shift;
1568 osfs->os_blocks >>= shift;
1569 } else if (shift != 0) {
1570 lov_sfs->os_bfree >>= shift;
1571 lov_sfs->os_bavail >>= shift;
1572 lov_sfs->os_blocks >>= shift;
1575 /* Sandia requested that df (and so, statfs) only
1576 returned minimal available space on
1577 a single OST, so people would be able to
1578 write this much data guaranteed. */
1579 if (osfs->os_bavail > lov_sfs->os_bavail) {
1580 /* Presumably if new bavail is smaller,
1581 new bfree is bigger as well */
1582 osfs->os_bfree = lov_sfs->os_bfree;
1583 osfs->os_bavail = lov_sfs->os_bavail;
1586 osfs->os_bfree += lov_sfs->os_bfree;
1587 osfs->os_bavail += lov_sfs->os_bavail;
1589 osfs->os_blocks += lov_sfs->os_blocks;
1590 /* XXX not sure about this one - depends on policy.
1591 * - could be minimum if we always stripe on all OBDs
1592 * (but that would be wrong for any other policy,
1593 * if one of the OBDs has no more objects left)
1594 * - could be sum if we stripe whole objects
1595 * - could be average, just to give a nice number
1597 * To give a "reasonable" (if not wholly accurate)
1598 * number, we divide the total number of free objects
1599 * by expected stripe count (watch out for overflow).
1601 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1602 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1606 /* The callback for osc_statfs_async that finilizes a request info when a
1607 * response is received. */
1608 static int cb_statfs_update(void *cookie, int rc)
1610 struct obd_info *oinfo = cookie;
1611 struct lov_request *lovreq;
1612 struct obd_statfs *osfs, *lov_sfs;
1613 struct lov_obd *lov;
1614 struct lov_tgt_desc *tgt;
1615 struct obd_device *lovobd, *tgtobd;
1619 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1620 lovobd = lovreq->rq_rqset->set_obd;
1621 lov = &lovobd->u.lov;
1622 osfs = lovreq->rq_rqset->set_oi->oi_osfs;
1623 lov_sfs = oinfo->oi_osfs;
1624 success = lovreq->rq_rqset->set_success;
1625 /* XXX: the same is done in lov_update_common_set, however
1626 lovset->set_exp is not initialized. */
1627 lov_update_set(lovreq->rq_rqset, lovreq, rc);
1632 tgt = lov->lov_tgts[lovreq->rq_idx];
1633 if (!tgt || !tgt->ltd_active)
1634 GOTO(out_update, rc);
1636 tgtobd = class_exp2obd(tgt->ltd_exp);
1637 cfs_spin_lock(&tgtobd->obd_osfs_lock);
1638 memcpy(&tgtobd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1639 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1640 tgtobd->obd_osfs_age = cfs_time_current_64();
1641 cfs_spin_unlock(&tgtobd->obd_osfs_lock);
1644 lov_update_statfs(osfs, lov_sfs, success);
1649 if (lovreq->rq_rqset->set_oi->oi_flags & OBD_STATFS_PTLRPCD &&
1650 lov_finished_set(lovreq->rq_rqset)) {
1651 lov_statfs_interpret(NULL, lovreq->rq_rqset,
1652 lovreq->rq_rqset->set_success !=
1653 lovreq->rq_rqset->set_count);
1654 qos_statfs_done(lov);
1660 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1661 struct lov_request_set **reqset)
1663 struct lov_request_set *set;
1664 struct lov_obd *lov = &obd->u.lov;
1668 OBD_ALLOC(set, sizeof(*set));
1674 set->set_oi = oinfo;
1676 /* We only get block data from the OBD */
1677 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1678 struct lov_request *req;
1680 if (!lov->lov_tgts[i] || (!lov->lov_tgts[i]->ltd_active
1681 && (oinfo->oi_flags & OBD_STATFS_NODELAY))) {
1682 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1686 /* skip targets that have been explicitely disabled by the
1688 if (!lov->lov_tgts[i]->ltd_exp) {
1689 CDEBUG(D_HA, "lov idx %d administratively disabled\n", i);
1693 OBD_ALLOC(req, sizeof(*req));
1695 GOTO(out_set, rc = -ENOMEM);
1697 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1698 if (req->rq_oi.oi_osfs == NULL) {
1699 OBD_FREE(req, sizeof(*req));
1700 GOTO(out_set, rc = -ENOMEM);
1704 req->rq_oi.oi_cb_up = cb_statfs_update;
1705 req->rq_oi.oi_flags = oinfo->oi_flags;
1707 lov_set_add_req(req, set);
1709 if (!set->set_count)
1710 GOTO(out_set, rc = -EIO);
1714 lov_fini_statfs_set(set);