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);
62 cfs_waitq_init(&set->set_waitq);
65 static void lov_finish_set(struct lov_request_set *set)
67 struct list_head *pos, *n;
71 list_for_each_safe(pos, n, &set->set_list) {
72 struct lov_request *req = list_entry(pos, struct lov_request,
74 list_del_init(&req->rq_link);
77 OBDO_FREE(req->rq_oi.oi_oa);
79 OBD_FREE(req->rq_oi.oi_md, req->rq_buflen);
80 if (req->rq_oi.oi_osfs)
81 OBD_FREE(req->rq_oi.oi_osfs,
82 sizeof(*req->rq_oi.oi_osfs));
83 OBD_FREE(req, sizeof(*req));
87 int len = set->set_oabufs * sizeof(*set->set_pga);
88 OBD_FREE(set->set_pga, len);
91 lov_llh_put(set->set_lockh);
93 OBD_FREE(set, sizeof(*set));
97 int lov_finished_set(struct lov_request_set *set)
99 CDEBUG(D_INFO, "check set %d/%d\n", set->set_completes,
101 return set->set_completes == set->set_count;
105 void lov_update_set(struct lov_request_set *set,
106 struct lov_request *req, int rc)
108 req->rq_complete = 1;
111 set->set_completes++;
115 cfs_waitq_signal(&set->set_waitq);
118 int lov_update_common_set(struct lov_request_set *set,
119 struct lov_request *req, int rc)
121 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
124 lov_update_set(set, req, rc);
126 /* grace error on inactive ost */
127 if (rc && !(lov->lov_tgts[req->rq_idx] &&
128 lov->lov_tgts[req->rq_idx]->ltd_active))
131 /* FIXME in raid1 regime, should return 0 */
135 void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
137 list_add_tail(&req->rq_link, &set->set_list);
142 extern void osc_update_enqueue(struct lustre_handle *lov_lockhp,
143 struct lov_oinfo *loi, int flags,
144 struct ost_lvb *lvb, __u32 mode, int rc);
146 static int lov_update_enqueue_lov(struct obd_export *exp,
147 struct lustre_handle *lov_lockhp,
148 struct lov_oinfo *loi, int flags, int idx,
151 struct lov_obd *lov = &exp->exp_obd->u.lov;
153 if (rc != ELDLM_OK &&
154 !(rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT))) {
155 memset(lov_lockhp, 0, sizeof(*lov_lockhp));
156 if (lov->lov_tgts[idx] && lov->lov_tgts[idx]->ltd_active) {
157 /* -EUSERS used by OST to report file contention */
158 if (rc != -EINTR && rc != -EUSERS)
159 CERROR("enqueue objid "LPX64" subobj "
160 LPX64" on OST idx %d: rc %d\n",
161 oid, loi->loi_id, loi->loi_ost_idx, rc);
168 int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
170 struct lov_request_set *set = req->rq_rqset;
171 struct lustre_handle *lov_lockhp;
172 struct obd_info *oi = set->set_oi;
173 struct lov_oinfo *loi;
178 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
179 loi = oi->oi_md->lsm_oinfo[req->rq_stripe];
181 /* XXX LOV STACKING: OSC gets a copy, created in lov_prep_enqueue_set
182 * and that copy can be arbitrarily out of date.
184 * The LOV API is due for a serious rewriting anyways, and this
185 * can be addressed then. */
187 lov_stripe_lock(oi->oi_md);
188 osc_update_enqueue(lov_lockhp, loi, oi->oi_flags,
189 &req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb, mode, rc);
190 if (rc == ELDLM_LOCK_ABORTED && (oi->oi_flags & LDLM_FL_HAS_INTENT))
191 memset(lov_lockhp, 0, sizeof *lov_lockhp);
192 rc = lov_update_enqueue_lov(set->set_exp, lov_lockhp, loi, oi->oi_flags,
193 req->rq_idx, oi->oi_md->lsm_object_id, rc);
194 lov_stripe_unlock(oi->oi_md);
195 lov_update_set(set, req, rc);
199 /* The callback for osc_enqueue that updates lov info for every OSC request. */
200 static int cb_update_enqueue(void *cookie, int rc)
202 struct obd_info *oinfo = cookie;
203 struct ldlm_enqueue_info *einfo;
204 struct lov_request *lovreq;
206 lovreq = container_of(oinfo, struct lov_request, rq_oi);
207 einfo = lovreq->rq_rqset->set_ei;
208 return lov_update_enqueue_set(lovreq, einfo->ei_mode, rc);
211 static int enqueue_done(struct lov_request_set *set, __u32 mode)
213 struct lov_request *req;
214 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
218 /* enqueue/match success, just return */
219 if (set->set_completes && set->set_completes == set->set_success)
222 /* cancel enqueued/matched locks */
223 list_for_each_entry(req, &set->set_list, rq_link) {
224 struct lustre_handle *lov_lockhp;
226 if (!req->rq_complete || req->rq_rc)
229 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
231 if (!lustre_handle_is_used(lov_lockhp))
234 rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
235 req->rq_oi.oi_md, mode, lov_lockhp);
236 if (rc && lov->lov_tgts[req->rq_idx] &&
237 lov->lov_tgts[req->rq_idx]->ltd_active)
238 CERROR("cancelling obdjid "LPX64" on OST "
239 "idx %d error: rc = %d\n",
240 req->rq_oi.oi_md->lsm_object_id,
244 lov_llh_put(set->set_lockh);
248 int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
249 struct ptlrpc_request_set *rqset)
256 LASSERT(set->set_exp);
257 /* Do enqueue_done only for sync requests and if any request
261 set->set_completes = 0;
262 ret = enqueue_done(set, mode);
263 } else if (set->set_lockh)
264 lov_llh_put(set->set_lockh);
266 if (atomic_dec_and_test(&set->set_refcount))
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(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_gr = oinfo->oi_md->lsm_object_gr;
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);
390 if (atomic_dec_and_test(&set->set_refcount))
396 int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
397 struct lov_stripe_md *lsm, ldlm_policy_data_t *policy,
398 __u32 mode, struct lustre_handle *lockh,
399 struct lov_request_set **reqset)
401 struct lov_obd *lov = &exp->exp_obd->u.lov;
402 struct lov_request_set *set;
406 OBD_ALLOC(set, sizeof(*set));
413 set->set_oi->oi_md = lsm;
414 set->set_lockh = lov_llh_new(lsm);
415 if (set->set_lockh == NULL)
416 GOTO(out_set, rc = -ENOMEM);
417 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
419 for (i = 0; i < lsm->lsm_stripe_count; i++){
420 struct lov_oinfo *loi;
421 struct lov_request *req;
424 loi = lsm->lsm_oinfo[i];
425 if (!lov_stripe_intersects(lsm, i, policy->l_extent.start,
426 policy->l_extent.end, &start, &end))
429 /* FIXME raid1 should grace this error */
430 if (!lov->lov_tgts[loi->loi_ost_idx] ||
431 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
432 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
433 GOTO(out_set, rc = -EIO);
436 OBD_ALLOC(req, sizeof(*req));
438 GOTO(out_set, rc = -ENOMEM);
440 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
441 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
442 if (req->rq_oi.oi_md == NULL) {
443 OBD_FREE(req, sizeof(*req));
444 GOTO(out_set, rc = -ENOMEM);
447 req->rq_oi.oi_policy.l_extent.start = start;
448 req->rq_oi.oi_policy.l_extent.end = end;
449 req->rq_oi.oi_policy.l_extent.gid = policy->l_extent.gid;
451 req->rq_idx = loi->loi_ost_idx;
454 /* XXX LOV STACKING: submd should be from the subobj */
455 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
456 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
457 req->rq_oi.oi_md->lsm_stripe_count = 0;
459 lov_set_add_req(req, set);
462 GOTO(out_set, rc = -EIO);
466 lov_fini_match_set(set, mode, 0);
470 int lov_fini_cancel_set(struct lov_request_set *set)
478 LASSERT(set->set_exp);
480 lov_llh_put(set->set_lockh);
482 if (atomic_dec_and_test(&set->set_refcount))
488 int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
489 struct lov_stripe_md *lsm, __u32 mode,
490 struct lustre_handle *lockh,
491 struct lov_request_set **reqset)
493 struct lov_request_set *set;
497 OBD_ALLOC(set, sizeof(*set));
504 set->set_oi->oi_md = lsm;
505 set->set_lockh = lov_handle2llh(lockh);
506 if (set->set_lockh == NULL) {
507 CERROR("LOV: invalid lov lock handle %p\n", lockh);
508 GOTO(out_set, rc = -EINVAL);
510 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
512 for (i = 0; i < lsm->lsm_stripe_count; i++){
513 struct lov_request *req;
514 struct lustre_handle *lov_lockhp;
515 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
517 lov_lockhp = set->set_lockh->llh_handles + i;
518 if (!lustre_handle_is_used(lov_lockhp)) {
519 CDEBUG(D_RPCTRACE,"lov idx %d subobj "LPX64" no lock\n",
520 loi->loi_ost_idx, loi->loi_id);
524 OBD_ALLOC(req, sizeof(*req));
526 GOTO(out_set, rc = -ENOMEM);
528 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
529 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
530 if (req->rq_oi.oi_md == NULL) {
531 OBD_FREE(req, sizeof(*req));
532 GOTO(out_set, rc = -ENOMEM);
535 req->rq_idx = loi->loi_ost_idx;
538 /* XXX LOV STACKING: submd should be from the subobj */
539 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
540 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
541 req->rq_oi.oi_md->lsm_stripe_count = 0;
543 lov_set_add_req(req, set);
546 GOTO(out_set, rc = -EIO);
550 lov_fini_cancel_set(set);
554 static int create_done(struct obd_export *exp, struct lov_request_set *set,
555 struct lov_stripe_md **lsmp)
557 struct lov_obd *lov = &exp->exp_obd->u.lov;
558 struct obd_trans_info *oti = set->set_oti;
559 struct obdo *src_oa = set->set_oi->oi_oa;
560 struct lov_request *req;
561 struct obdo *ret_oa = NULL;
562 int attrset = 0, rc = 0;
565 LASSERT(set->set_completes);
567 /* try alloc objects on other osts if osc_create fails for
568 * exceptions: RPC failure, ENOSPC, etc */
569 if (set->set_count != set->set_success) {
570 list_for_each_entry (req, &set->set_list, rq_link) {
574 set->set_completes--;
575 req->rq_complete = 0;
577 rc = qos_remedy_create(set, req);
578 lov_update_create_set(set, req, rc);
582 /* no successful creates */
583 if (set->set_success == 0)
586 if (set->set_count != set->set_success) {
587 set->set_count = set->set_success;
593 GOTO(cleanup, rc = -ENOMEM);
595 list_for_each_entry(req, &set->set_list, rq_link) {
596 if (!req->rq_complete || req->rq_rc)
598 lov_merge_attrs(ret_oa, req->rq_oi.oi_oa,
599 req->rq_oi.oi_oa->o_valid, set->set_oi->oi_md,
600 req->rq_stripe, &attrset);
602 if (src_oa->o_valid & OBD_MD_FLSIZE &&
603 ret_oa->o_size != src_oa->o_size) {
604 CERROR("original size "LPU64" isn't new object size "LPU64"\n",
605 src_oa->o_size, ret_oa->o_size);
608 ret_oa->o_id = src_oa->o_id;
609 ret_oa->o_gr = src_oa->o_gr;
610 ret_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
611 memcpy(src_oa, ret_oa, sizeof(*src_oa));
614 *lsmp = set->set_oi->oi_md;
618 list_for_each_entry(req, &set->set_list, rq_link) {
619 struct obd_export *sub_exp;
622 if (!req->rq_complete || req->rq_rc)
625 sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
626 err = obd_destroy(sub_exp, req->rq_oi.oi_oa, NULL, oti, NULL,
629 CERROR("Failed to uncreate objid "LPX64" subobj "
630 LPX64" on OST idx %d: rc = %d\n",
631 src_oa->o_id, req->rq_oi.oi_oa->o_id,
635 obd_free_memmd(exp, &set->set_oi->oi_md);
637 if (oti && set->set_cookies) {
638 oti->oti_logcookies = set->set_cookies;
639 if (!set->set_cookie_sent) {
640 oti_free_cookies(oti);
641 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
643 src_oa->o_valid |= OBD_MD_FLCOOKIE;
649 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
656 LASSERT(set->set_exp);
657 if (set->set_completes)
658 rc = create_done(set->set_exp, set, lsmp);
660 if (atomic_dec_and_test(&set->set_refcount))
666 int lov_update_create_set(struct lov_request_set *set,
667 struct lov_request *req, int rc)
669 struct obd_trans_info *oti = set->set_oti;
670 struct lov_stripe_md *lsm = set->set_oi->oi_md;
671 struct lov_oinfo *loi;
672 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
675 req->rq_stripe = set->set_success;
676 loi = lsm->lsm_oinfo[req->rq_stripe];
678 if (rc && lov->lov_tgts[req->rq_idx] &&
679 lov->lov_tgts[req->rq_idx]->ltd_active) {
680 CERROR("error creating fid "LPX64" sub-object"
681 " on OST idx %d/%d: rc = %d\n",
682 set->set_oi->oi_oa->o_id, req->rq_idx,
683 lsm->lsm_stripe_count, rc);
685 CERROR("obd_create returned invalid err %d\n", rc);
689 lov_update_set(set, req, rc);
693 loi->loi_id = req->rq_oi.oi_oa->o_id;
694 loi->loi_gr = req->rq_oi.oi_oa->o_gr;
695 loi->loi_ost_idx = req->rq_idx;
696 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
697 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
700 if (oti && set->set_cookies)
701 ++oti->oti_logcookies;
702 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
703 set->set_cookie_sent++;
708 int cb_create_update(void *cookie, int rc)
710 struct obd_info *oinfo = cookie;
711 struct lov_request *lovreq;
713 lovreq = container_of(oinfo, struct lov_request, rq_oi);
714 return lov_update_create_set(lovreq->rq_rqset, lovreq, rc);
718 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
719 struct lov_stripe_md **lsmp, struct obdo *src_oa,
720 struct obd_trans_info *oti,
721 struct lov_request_set **reqset)
723 struct lov_request_set *set;
727 OBD_ALLOC(set, sizeof(*set));
734 set->set_oi->oi_md = *lsmp;
735 set->set_oi->oi_oa = src_oa;
738 rc = qos_prep_create(exp, set);
739 /* qos_shrink_lsm() may have allocated a new lsm */
740 *lsmp = oinfo->oi_md;
742 lov_fini_create_set(set, lsmp);
748 static int common_attr_done(struct lov_request_set *set)
750 struct list_head *pos;
751 struct lov_request *req;
753 int rc = 0, attrset = 0;
756 LASSERT(set->set_oi != NULL);
758 if (set->set_oi->oi_oa == NULL)
761 if (!set->set_success)
766 GOTO(out, rc = -ENOMEM);
768 list_for_each (pos, &set->set_list) {
769 req = list_entry(pos, struct lov_request, rq_link);
771 if (!req->rq_complete || req->rq_rc)
773 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
775 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
776 req->rq_oi.oi_oa->o_valid,
777 set->set_oi->oi_md, req->rq_stripe, &attrset);
780 CERROR("No stripes had valid attrs\n");
783 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
784 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
792 static int brw_done(struct lov_request_set *set)
794 struct lov_stripe_md *lsm = set->set_oi->oi_md;
795 struct lov_oinfo *loi = NULL;
796 struct list_head *pos;
797 struct lov_request *req;
800 list_for_each (pos, &set->set_list) {
801 req = list_entry(pos, struct lov_request, rq_link);
803 if (!req->rq_complete || req->rq_rc)
806 loi = lsm->lsm_oinfo[req->rq_stripe];
808 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
809 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
815 int lov_fini_brw_set(struct lov_request_set *set)
822 LASSERT(set->set_exp);
823 if (set->set_completes) {
825 /* FIXME update qos data here */
827 if (atomic_dec_and_test(&set->set_refcount))
833 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
834 obd_count oa_bufs, struct brw_page *pga,
835 struct obd_trans_info *oti,
836 struct lov_request_set **reqset)
843 struct lov_request_set *set;
844 struct lov_obd *lov = &exp->exp_obd->u.lov;
845 int rc = 0, i, shift;
848 OBD_ALLOC(set, sizeof(*set));
856 set->set_oabufs = oa_bufs;
857 OBD_ALLOC(set->set_pga, oa_bufs * sizeof(*set->set_pga));
859 GOTO(out, rc = -ENOMEM);
861 OBD_ALLOC(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
863 GOTO(out, rc = -ENOMEM);
865 /* calculate the page count for each stripe */
866 for (i = 0; i < oa_bufs; i++) {
867 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
868 info[stripe].count++;
871 /* alloc and initialize lov request */
873 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
874 struct lov_oinfo *loi = NULL;
875 struct lov_request *req;
877 if (info[i].count == 0)
880 loi = oinfo->oi_md->lsm_oinfo[i];
881 if (!lov->lov_tgts[loi->loi_ost_idx] ||
882 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
883 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
884 GOTO(out, rc = -EIO);
887 OBD_ALLOC(req, sizeof(*req));
889 GOTO(out, rc = -ENOMEM);
891 OBDO_ALLOC(req->rq_oi.oi_oa);
892 if (req->rq_oi.oi_oa == NULL) {
893 OBD_FREE(req, sizeof(*req));
894 GOTO(out, rc = -ENOMEM);
898 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
899 sizeof(*req->rq_oi.oi_oa));
901 req->rq_oi.oi_oa->o_id = loi->loi_id;
902 req->rq_oi.oi_oa->o_stripe_idx = i;
904 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
905 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
906 if (req->rq_oi.oi_md == NULL) {
907 OBDO_FREE(req->rq_oi.oi_oa);
908 OBD_FREE(req, sizeof(*req));
909 GOTO(out, rc = -ENOMEM);
912 req->rq_idx = loi->loi_ost_idx;
915 /* XXX LOV STACKING */
916 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
917 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
918 req->rq_oabufs = info[i].count;
919 req->rq_pgaidx = shift;
920 shift += req->rq_oabufs;
922 /* remember the index for sort brw_page array */
923 info[i].index = req->rq_pgaidx;
925 req->rq_oi.oi_capa = oinfo->oi_capa;
927 lov_set_add_req(req, set);
930 GOTO(out, rc = -EIO);
932 /* rotate & sort the brw_page array */
933 for (i = 0; i < oa_bufs; i++) {
934 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
936 shift = info[stripe].index + info[stripe].off;
937 LASSERT(shift < oa_bufs);
938 set->set_pga[shift] = pga[i];
939 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
940 &set->set_pga[shift].off);
945 OBD_FREE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
950 lov_fini_brw_set(set);
955 int lov_fini_getattr_set(struct lov_request_set *set)
962 LASSERT(set->set_exp);
963 if (set->set_completes)
964 rc = common_attr_done(set);
966 if (atomic_dec_and_test(&set->set_refcount))
972 /* The callback for osc_getattr_async that finilizes a request info when a
973 * response is received. */
974 static int cb_getattr_update(void *cookie, int rc)
976 struct obd_info *oinfo = cookie;
977 struct lov_request *lovreq;
978 lovreq = container_of(oinfo, struct lov_request, rq_oi);
979 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
982 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
983 struct lov_request_set **reqset)
985 struct lov_request_set *set;
986 struct lov_obd *lov = &exp->exp_obd->u.lov;
990 OBD_ALLOC(set, sizeof(*set));
998 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
999 struct lov_oinfo *loi;
1000 struct lov_request *req;
1002 loi = oinfo->oi_md->lsm_oinfo[i];
1003 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1004 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1005 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1009 OBD_ALLOC(req, sizeof(*req));
1011 GOTO(out_set, rc = -ENOMEM);
1014 req->rq_idx = loi->loi_ost_idx;
1016 OBDO_ALLOC(req->rq_oi.oi_oa);
1017 if (req->rq_oi.oi_oa == NULL) {
1018 OBD_FREE(req, sizeof(*req));
1019 GOTO(out_set, rc = -ENOMEM);
1021 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1022 sizeof(*req->rq_oi.oi_oa));
1023 req->rq_oi.oi_oa->o_id = loi->loi_id;
1024 req->rq_oi.oi_cb_up = cb_getattr_update;
1025 req->rq_oi.oi_capa = oinfo->oi_capa;
1027 lov_set_add_req(req, set);
1029 if (!set->set_count)
1030 GOTO(out_set, rc = -EIO);
1034 lov_fini_getattr_set(set);
1038 int lov_fini_destroy_set(struct lov_request_set *set)
1044 LASSERT(set->set_exp);
1045 if (set->set_completes) {
1046 /* FIXME update qos data here */
1049 if (atomic_dec_and_test(&set->set_refcount))
1050 lov_finish_set(set);
1055 int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
1056 struct obdo *src_oa, struct lov_stripe_md *lsm,
1057 struct obd_trans_info *oti,
1058 struct lov_request_set **reqset)
1060 struct lov_request_set *set;
1061 struct lov_obd *lov = &exp->exp_obd->u.lov;
1065 OBD_ALLOC(set, sizeof(*set));
1071 set->set_oi = oinfo;
1072 set->set_oi->oi_md = lsm;
1073 set->set_oi->oi_oa = src_oa;
1075 if (oti != NULL && src_oa->o_valid & OBD_MD_FLCOOKIE)
1076 set->set_cookies = oti->oti_logcookies;
1078 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1079 struct lov_oinfo *loi;
1080 struct lov_request *req;
1082 loi = lsm->lsm_oinfo[i];
1083 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1084 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1085 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1089 OBD_ALLOC(req, sizeof(*req));
1091 GOTO(out_set, rc = -ENOMEM);
1094 req->rq_idx = loi->loi_ost_idx;
1096 OBDO_ALLOC(req->rq_oi.oi_oa);
1097 if (req->rq_oi.oi_oa == NULL) {
1098 OBD_FREE(req, sizeof(*req));
1099 GOTO(out_set, rc = -ENOMEM);
1101 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1102 req->rq_oi.oi_oa->o_id = loi->loi_id;
1103 lov_set_add_req(req, set);
1105 if (!set->set_count)
1106 GOTO(out_set, rc = -EIO);
1110 lov_fini_destroy_set(set);
1114 int lov_fini_setattr_set(struct lov_request_set *set)
1121 LASSERT(set->set_exp);
1122 if (set->set_completes) {
1123 rc = common_attr_done(set);
1124 /* FIXME update qos data here */
1127 if (atomic_dec_and_test(&set->set_refcount))
1128 lov_finish_set(set);
1132 int lov_update_setattr_set(struct lov_request_set *set,
1133 struct lov_request *req, int rc)
1135 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1136 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1139 lov_update_set(set, req, rc);
1141 /* grace error on inactive ost */
1142 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1143 lov->lov_tgts[req->rq_idx]->ltd_active))
1147 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1148 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1149 req->rq_oi.oi_oa->o_ctime;
1150 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1151 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1152 req->rq_oi.oi_oa->o_mtime;
1153 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1154 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1155 req->rq_oi.oi_oa->o_atime;
1161 /* The callback for osc_setattr_async that finilizes a request info when a
1162 * response is received. */
1163 static int cb_setattr_update(void *cookie, int rc)
1165 struct obd_info *oinfo = cookie;
1166 struct lov_request *lovreq;
1167 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1168 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1171 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1172 struct obd_trans_info *oti,
1173 struct lov_request_set **reqset)
1175 struct lov_request_set *set;
1176 struct lov_obd *lov = &exp->exp_obd->u.lov;
1180 OBD_ALLOC(set, sizeof(*set));
1187 set->set_oi = oinfo;
1188 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1189 set->set_cookies = oti->oti_logcookies;
1191 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1192 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1193 struct lov_request *req;
1195 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1196 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1197 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1201 OBD_ALLOC(req, sizeof(*req));
1203 GOTO(out_set, rc = -ENOMEM);
1205 req->rq_idx = loi->loi_ost_idx;
1207 OBDO_ALLOC(req->rq_oi.oi_oa);
1208 if (req->rq_oi.oi_oa == NULL) {
1209 OBD_FREE(req, sizeof(*req));
1210 GOTO(out_set, rc = -ENOMEM);
1212 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1213 sizeof(*req->rq_oi.oi_oa));
1214 req->rq_oi.oi_oa->o_id = loi->loi_id;
1215 LASSERTF(!(req->rq_oi.oi_oa->o_valid & OBD_MD_FLGROUP) ||
1216 CHECK_MDS_GROUP(req->rq_oi.oi_oa->o_gr),
1217 "req->rq_oi.oi_oa->o_valid="LPX64" "
1218 "req->rq_oi.oi_oa->o_gr="LPU64"\n",
1219 req->rq_oi.oi_oa->o_valid, req->rq_oi.oi_oa->o_gr);
1220 req->rq_oi.oi_oa->o_stripe_idx = i;
1221 req->rq_oi.oi_cb_up = cb_setattr_update;
1222 req->rq_oi.oi_capa = oinfo->oi_capa;
1224 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1225 int off = lov_stripe_offset(oinfo->oi_md,
1226 oinfo->oi_oa->o_size, i,
1227 &req->rq_oi.oi_oa->o_size);
1229 if (off < 0 && req->rq_oi.oi_oa->o_size)
1230 req->rq_oi.oi_oa->o_size--;
1232 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1233 i, req->rq_oi.oi_oa->o_size,
1234 oinfo->oi_oa->o_size);
1236 lov_set_add_req(req, set);
1238 if (!set->set_count)
1239 GOTO(out_set, rc = -EIO);
1243 lov_fini_setattr_set(set);
1247 int lov_fini_punch_set(struct lov_request_set *set)
1254 LASSERT(set->set_exp);
1255 if (set->set_completes) {
1257 /* FIXME update qos data here */
1258 if (set->set_success)
1259 rc = common_attr_done(set);
1262 if (atomic_dec_and_test(&set->set_refcount))
1263 lov_finish_set(set);
1268 int lov_update_punch_set(struct lov_request_set *set,
1269 struct lov_request *req, int rc)
1271 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1272 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1275 lov_update_set(set, req, rc);
1277 /* grace error on inactive ost */
1278 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1282 lov_stripe_lock(lsm);
1283 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1284 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1285 req->rq_oi.oi_oa->o_blocks;
1288 /* Do we need to update lvb_size here? It needn't because
1289 * it have been done in ll_truncate(). -jay */
1290 lov_stripe_unlock(lsm);
1296 /* The callback for osc_punch that finilizes a request info when a response
1298 static int cb_update_punch(void *cookie, int rc)
1300 struct obd_info *oinfo = cookie;
1301 struct lov_request *lovreq;
1302 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1303 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1306 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1307 struct obd_trans_info *oti,
1308 struct lov_request_set **reqset)
1310 struct lov_request_set *set;
1311 struct lov_obd *lov = &exp->exp_obd->u.lov;
1315 OBD_ALLOC(set, sizeof(*set));
1320 set->set_oi = oinfo;
1323 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1324 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1325 struct lov_request *req;
1328 if (!lov_stripe_intersects(oinfo->oi_md, i,
1329 oinfo->oi_policy.l_extent.start,
1330 oinfo->oi_policy.l_extent.end,
1334 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1335 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1336 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1337 GOTO(out_set, rc = -EIO);
1340 OBD_ALLOC(req, sizeof(*req));
1342 GOTO(out_set, rc = -ENOMEM);
1344 req->rq_idx = loi->loi_ost_idx;
1346 OBDO_ALLOC(req->rq_oi.oi_oa);
1347 if (req->rq_oi.oi_oa == NULL) {
1348 OBD_FREE(req, sizeof(*req));
1349 GOTO(out_set, rc = -ENOMEM);
1351 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1352 sizeof(*req->rq_oi.oi_oa));
1353 req->rq_oi.oi_oa->o_id = loi->loi_id;
1354 req->rq_oi.oi_oa->o_gr = loi->loi_gr;
1355 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1357 req->rq_oi.oi_oa->o_stripe_idx = i;
1358 req->rq_oi.oi_cb_up = cb_update_punch;
1360 req->rq_oi.oi_policy.l_extent.start = rs;
1361 req->rq_oi.oi_policy.l_extent.end = re;
1362 req->rq_oi.oi_policy.l_extent.gid = -1;
1364 req->rq_oi.oi_capa = oinfo->oi_capa;
1366 lov_set_add_req(req, set);
1368 if (!set->set_count)
1369 GOTO(out_set, rc = -EIO);
1373 lov_fini_punch_set(set);
1377 int lov_fini_sync_set(struct lov_request_set *set)
1384 LASSERT(set->set_exp);
1385 if (set->set_completes) {
1386 if (!set->set_success)
1388 /* FIXME update qos data here */
1391 if (atomic_dec_and_test(&set->set_refcount))
1392 lov_finish_set(set);
1397 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1398 struct obdo *src_oa, struct lov_stripe_md *lsm,
1399 obd_off start, obd_off end,
1400 struct lov_request_set **reqset)
1402 struct lov_request_set *set;
1403 struct lov_obd *lov = &exp->exp_obd->u.lov;
1407 OBD_ALLOC(set, sizeof(*set));
1413 set->set_oi = oinfo;
1414 set->set_oi->oi_md = lsm;
1415 set->set_oi->oi_oa = src_oa;
1417 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1418 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
1419 struct lov_request *req;
1422 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1423 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1424 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1428 if (!lov_stripe_intersects(lsm, i, start, end, &rs, &re))
1431 OBD_ALLOC(req, sizeof(*req));
1433 GOTO(out_set, rc = -ENOMEM);
1435 req->rq_idx = loi->loi_ost_idx;
1437 OBDO_ALLOC(req->rq_oi.oi_oa);
1438 if (req->rq_oi.oi_oa == NULL) {
1439 OBD_FREE(req, sizeof(*req));
1440 GOTO(out_set, rc = -ENOMEM);
1442 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1443 req->rq_oi.oi_oa->o_id = loi->loi_id;
1444 req->rq_oi.oi_oa->o_stripe_idx = i;
1446 req->rq_oi.oi_policy.l_extent.start = rs;
1447 req->rq_oi.oi_policy.l_extent.end = re;
1448 req->rq_oi.oi_policy.l_extent.gid = -1;
1450 lov_set_add_req(req, set);
1452 if (!set->set_count)
1453 GOTO(out_set, rc = -EIO);
1457 lov_fini_sync_set(set);
1461 #define LOV_U64_MAX ((__u64)~0ULL)
1462 #define LOV_SUM_MAX(tot, add) \
1464 if ((tot) + (add) < (tot)) \
1465 (tot) = LOV_U64_MAX; \
1470 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1475 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov, 0);
1477 if (osfs->os_files != LOV_U64_MAX)
1478 do_div(osfs->os_files, expected_stripes);
1479 if (osfs->os_ffree != LOV_U64_MAX)
1480 do_div(osfs->os_ffree, expected_stripes);
1482 spin_lock(&obd->obd_osfs_lock);
1483 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1484 obd->obd_osfs_age = cfs_time_current_64();
1485 spin_unlock(&obd->obd_osfs_lock);
1492 int lov_fini_statfs_set(struct lov_request_set *set)
1500 if (set->set_completes) {
1501 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1505 if (atomic_dec_and_test(&set->set_refcount))
1506 lov_finish_set(set);
1511 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1514 int shift = 0, quit = 0;
1518 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1520 if (osfs->os_bsize != lov_sfs->os_bsize) {
1521 /* assume all block sizes are always powers of 2 */
1522 /* get the bits difference */
1523 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1524 for (shift = 0; shift <= 64; ++shift) {
1536 if (osfs->os_bsize < lov_sfs->os_bsize) {
1537 osfs->os_bsize = lov_sfs->os_bsize;
1539 osfs->os_bfree >>= shift;
1540 osfs->os_bavail >>= shift;
1541 osfs->os_blocks >>= shift;
1542 } else if (shift != 0) {
1543 lov_sfs->os_bfree >>= shift;
1544 lov_sfs->os_bavail >>= shift;
1545 lov_sfs->os_blocks >>= shift;
1548 /* Sandia requested that df (and so, statfs) only
1549 returned minimal available space on
1550 a single OST, so people would be able to
1551 write this much data guaranteed. */
1552 if (osfs->os_bavail > lov_sfs->os_bavail) {
1553 /* Presumably if new bavail is smaller,
1554 new bfree is bigger as well */
1555 osfs->os_bfree = lov_sfs->os_bfree;
1556 osfs->os_bavail = lov_sfs->os_bavail;
1559 osfs->os_bfree += lov_sfs->os_bfree;
1560 osfs->os_bavail += lov_sfs->os_bavail;
1562 osfs->os_blocks += lov_sfs->os_blocks;
1563 /* XXX not sure about this one - depends on policy.
1564 * - could be minimum if we always stripe on all OBDs
1565 * (but that would be wrong for any other policy,
1566 * if one of the OBDs has no more objects left)
1567 * - could be sum if we stripe whole objects
1568 * - could be average, just to give a nice number
1570 * To give a "reasonable" (if not wholly accurate)
1571 * number, we divide the total number of free objects
1572 * by expected stripe count (watch out for overflow).
1574 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1575 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1579 /* The callback for osc_statfs_async that finilizes a request info when a
1580 * response is received. */
1581 static int cb_statfs_update(void *cookie, int rc)
1583 struct obd_info *oinfo = cookie;
1584 struct lov_request *lovreq;
1585 struct obd_statfs *osfs, *lov_sfs;
1586 struct obd_device *obd;
1587 struct lov_obd *lov;
1591 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1592 lov = &lovreq->rq_rqset->set_obd->u.lov;
1593 obd = class_exp2obd(lov->lov_tgts[lovreq->rq_idx]->ltd_exp);
1595 osfs = lovreq->rq_rqset->set_oi->oi_osfs;
1596 lov_sfs = oinfo->oi_osfs;
1598 success = lovreq->rq_rqset->set_success;
1599 /* XXX: the same is done in lov_update_common_set, however
1600 lovset->set_exp is not initialized. */
1601 lov_update_set(lovreq->rq_rqset, lovreq, rc);
1603 /* XXX ignore error for disconnected ost ? */
1604 if (rc && !(lov->lov_tgts[lovreq->rq_idx] &&
1605 lov->lov_tgts[lovreq->rq_idx]->ltd_active))
1610 spin_lock(&obd->obd_osfs_lock);
1611 memcpy(&obd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1612 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1613 obd->obd_osfs_age = cfs_time_current_64();
1614 spin_unlock(&obd->obd_osfs_lock);
1616 lov_update_statfs(osfs, lov_sfs, success);
1619 if (lovreq->rq_rqset->set_oi->oi_flags & OBD_STATFS_PTLRPCD &&
1620 lov_finished_set(lovreq->rq_rqset)) {
1621 lov_statfs_interpret(NULL, lovreq->rq_rqset,
1622 lovreq->rq_rqset->set_success !=
1623 lovreq->rq_rqset->set_count);
1624 qos_statfs_done(lov);
1630 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1631 struct lov_request_set **reqset)
1633 struct lov_request_set *set;
1634 struct lov_obd *lov = &obd->u.lov;
1638 OBD_ALLOC(set, sizeof(*set));
1644 set->set_oi = oinfo;
1646 /* We only get block data from the OBD */
1647 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1648 struct lov_request *req;
1650 if (!lov->lov_tgts[i] || (!lov->lov_tgts[i]->ltd_active
1651 && (oinfo->oi_flags & OBD_STATFS_NODELAY))) {
1652 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1656 OBD_ALLOC(req, sizeof(*req));
1658 GOTO(out_set, rc = -ENOMEM);
1660 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1661 if (req->rq_oi.oi_osfs == NULL) {
1662 OBD_FREE(req, sizeof(*req));
1663 GOTO(out_set, rc = -ENOMEM);
1667 req->rq_oi.oi_cb_up = cb_statfs_update;
1668 req->rq_oi.oi_flags = oinfo->oi_flags;
1670 lov_set_add_req(req, set);
1672 if (!set->set_count)
1673 GOTO(out_set, rc = -EIO);
1677 lov_fini_statfs_set(set);