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 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(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(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;
107 void lov_update_set(struct lov_request_set *set,
108 struct lov_request *req, int rc)
110 req->rq_complete = 1;
113 set->set_completes++;
117 cfs_waitq_signal(&set->set_waitq);
120 int lov_update_common_set(struct lov_request_set *set,
121 struct lov_request *req, int rc)
123 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
126 lov_update_set(set, req, rc);
128 /* grace error on inactive ost */
129 if (rc && !(lov->lov_tgts[req->rq_idx] &&
130 lov->lov_tgts[req->rq_idx]->ltd_active))
133 /* FIXME in raid1 regime, should return 0 */
137 void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
139 cfs_list_add_tail(&req->rq_link, &set->set_list);
144 extern void osc_update_enqueue(struct lustre_handle *lov_lockhp,
145 struct lov_oinfo *loi, int flags,
146 struct ost_lvb *lvb, __u32 mode, int rc);
148 static int lov_update_enqueue_lov(struct obd_export *exp,
149 struct lustre_handle *lov_lockhp,
150 struct lov_oinfo *loi, int flags, int idx,
153 struct lov_obd *lov = &exp->exp_obd->u.lov;
155 if (rc != ELDLM_OK &&
156 !(rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT))) {
157 memset(lov_lockhp, 0, sizeof(*lov_lockhp));
158 if (lov->lov_tgts[idx] && lov->lov_tgts[idx]->ltd_active) {
159 /* -EUSERS used by OST to report file contention */
160 if (rc != -EINTR && rc != -EUSERS)
161 CERROR("enqueue objid "LPX64" subobj "
162 LPX64" on OST idx %d: rc %d\n",
163 oid, loi->loi_id, loi->loi_ost_idx, rc);
170 int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
172 struct lov_request_set *set = req->rq_rqset;
173 struct lustre_handle *lov_lockhp;
174 struct obd_info *oi = set->set_oi;
175 struct lov_oinfo *loi;
180 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
181 loi = oi->oi_md->lsm_oinfo[req->rq_stripe];
183 /* XXX LOV STACKING: OSC gets a copy, created in lov_prep_enqueue_set
184 * and that copy can be arbitrarily out of date.
186 * The LOV API is due for a serious rewriting anyways, and this
187 * can be addressed then. */
189 lov_stripe_lock(oi->oi_md);
190 osc_update_enqueue(lov_lockhp, loi, oi->oi_flags,
191 &req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb, mode, rc);
192 if (rc == ELDLM_LOCK_ABORTED && (oi->oi_flags & LDLM_FL_HAS_INTENT))
193 memset(lov_lockhp, 0, sizeof *lov_lockhp);
194 rc = lov_update_enqueue_lov(set->set_exp, lov_lockhp, loi, oi->oi_flags,
195 req->rq_idx, oi->oi_md->lsm_object_id, rc);
196 lov_stripe_unlock(oi->oi_md);
197 lov_update_set(set, req, rc);
201 /* The callback for osc_enqueue that updates lov info for every OSC request. */
202 static int cb_update_enqueue(void *cookie, int rc)
204 struct obd_info *oinfo = cookie;
205 struct ldlm_enqueue_info *einfo;
206 struct lov_request *lovreq;
208 lovreq = container_of(oinfo, struct lov_request, rq_oi);
209 einfo = lovreq->rq_rqset->set_ei;
210 return lov_update_enqueue_set(lovreq, einfo->ei_mode, rc);
213 static int enqueue_done(struct lov_request_set *set, __u32 mode)
215 struct lov_request *req;
216 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
220 /* enqueue/match success, just return */
221 if (set->set_completes && set->set_completes == set->set_success)
224 /* cancel enqueued/matched locks */
225 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
226 struct lustre_handle *lov_lockhp;
228 if (!req->rq_complete || req->rq_rc)
231 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
233 if (!lustre_handle_is_used(lov_lockhp))
236 rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
237 req->rq_oi.oi_md, mode, lov_lockhp);
238 if (rc && lov->lov_tgts[req->rq_idx] &&
239 lov->lov_tgts[req->rq_idx]->ltd_active)
240 CERROR("cancelling obdjid "LPX64" on OST "
241 "idx %d error: rc = %d\n",
242 req->rq_oi.oi_md->lsm_object_id,
246 lov_llh_put(set->set_lockh);
250 int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
251 struct ptlrpc_request_set *rqset)
258 LASSERT(set->set_exp);
259 /* Do enqueue_done only for sync requests and if any request
263 set->set_completes = 0;
264 ret = enqueue_done(set, mode);
265 } else if (set->set_lockh)
266 lov_llh_put(set->set_lockh);
270 RETURN(rc ? rc : ret);
273 int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
274 struct ldlm_enqueue_info *einfo,
275 struct lov_request_set **reqset)
277 struct lov_obd *lov = &exp->exp_obd->u.lov;
278 struct lov_request_set *set;
282 OBD_ALLOC(set, sizeof(*set));
290 set->set_lockh = lov_llh_new(oinfo->oi_md);
291 if (set->set_lockh == NULL)
292 GOTO(out_set, rc = -ENOMEM);
293 oinfo->oi_lockh->cookie = set->set_lockh->llh_handle.h_cookie;
295 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
296 struct lov_oinfo *loi;
297 struct lov_request *req;
300 loi = oinfo->oi_md->lsm_oinfo[i];
301 if (!lov_stripe_intersects(oinfo->oi_md, i,
302 oinfo->oi_policy.l_extent.start,
303 oinfo->oi_policy.l_extent.end,
307 if (!lov->lov_tgts[loi->loi_ost_idx] ||
308 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
309 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
313 OBD_ALLOC(req, sizeof(*req));
315 GOTO(out_set, rc = -ENOMEM);
317 req->rq_buflen = sizeof(*req->rq_oi.oi_md) +
318 sizeof(struct lov_oinfo *) +
319 sizeof(struct lov_oinfo);
320 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
321 if (req->rq_oi.oi_md == NULL) {
322 OBD_FREE(req, sizeof(*req));
323 GOTO(out_set, rc = -ENOMEM);
325 req->rq_oi.oi_md->lsm_oinfo[0] =
326 ((void *)req->rq_oi.oi_md) + sizeof(*req->rq_oi.oi_md) +
327 sizeof(struct lov_oinfo *);
329 /* Set lov request specific parameters. */
330 req->rq_oi.oi_lockh = set->set_lockh->llh_handles + i;
331 req->rq_oi.oi_cb_up = cb_update_enqueue;
332 req->rq_oi.oi_flags = oinfo->oi_flags;
334 LASSERT(req->rq_oi.oi_lockh);
336 req->rq_oi.oi_policy.l_extent.gid =
337 oinfo->oi_policy.l_extent.gid;
338 req->rq_oi.oi_policy.l_extent.start = start;
339 req->rq_oi.oi_policy.l_extent.end = end;
341 req->rq_idx = loi->loi_ost_idx;
344 /* XXX LOV STACKING: submd should be from the subobj */
345 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
346 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
347 req->rq_oi.oi_md->lsm_stripe_count = 0;
348 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms_valid =
350 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms = loi->loi_kms;
351 req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb = loi->loi_lvb;
353 lov_set_add_req(req, set);
356 GOTO(out_set, rc = -EIO);
360 lov_fini_enqueue_set(set, einfo->ei_mode, rc, NULL);
364 int lov_update_match_set(struct lov_request_set *set, struct lov_request *req,
374 lov_update_set(set, req, ret);
378 int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
385 LASSERT(set->set_exp);
386 rc = enqueue_done(set, mode);
387 if ((set->set_count == set->set_success) &&
388 (flags & LDLM_FL_TEST_LOCK))
389 lov_llh_put(set->set_lockh);
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);
487 int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
488 struct lov_stripe_md *lsm, __u32 mode,
489 struct lustre_handle *lockh,
490 struct lov_request_set **reqset)
492 struct lov_request_set *set;
496 OBD_ALLOC(set, sizeof(*set));
503 set->set_oi->oi_md = lsm;
504 set->set_lockh = lov_handle2llh(lockh);
505 if (set->set_lockh == NULL) {
506 CERROR("LOV: invalid lov lock handle %p\n", lockh);
507 GOTO(out_set, rc = -EINVAL);
509 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
511 for (i = 0; i < lsm->lsm_stripe_count; i++){
512 struct lov_request *req;
513 struct lustre_handle *lov_lockhp;
514 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
516 lov_lockhp = set->set_lockh->llh_handles + i;
517 if (!lustre_handle_is_used(lov_lockhp)) {
518 CDEBUG(D_INFO, "lov idx %d subobj "LPX64" no lock\n",
519 loi->loi_ost_idx, loi->loi_id);
523 OBD_ALLOC(req, sizeof(*req));
525 GOTO(out_set, rc = -ENOMEM);
527 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
528 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
529 if (req->rq_oi.oi_md == NULL) {
530 OBD_FREE(req, sizeof(*req));
531 GOTO(out_set, rc = -ENOMEM);
534 req->rq_idx = loi->loi_ost_idx;
537 /* XXX LOV STACKING: submd should be from the subobj */
538 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
539 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
540 req->rq_oi.oi_md->lsm_stripe_count = 0;
542 lov_set_add_req(req, set);
545 GOTO(out_set, rc = -EIO);
549 lov_fini_cancel_set(set);
553 static int create_done(struct obd_export *exp, struct lov_request_set *set,
554 struct lov_stripe_md **lsmp)
556 struct lov_obd *lov = &exp->exp_obd->u.lov;
557 struct obd_trans_info *oti = set->set_oti;
558 struct obdo *src_oa = set->set_oi->oi_oa;
559 struct lov_request *req;
560 struct obdo *ret_oa = NULL;
561 int attrset = 0, rc = 0;
564 LASSERT(set->set_completes);
566 /* try alloc objects on other osts if osc_create fails for
567 * exceptions: RPC failure, ENOSPC, etc */
568 if (set->set_count != set->set_success) {
569 cfs_list_for_each_entry (req, &set->set_list, rq_link) {
573 set->set_completes--;
574 req->rq_complete = 0;
576 rc = qos_remedy_create(set, req);
577 lov_update_create_set(set, req, rc);
581 /* no successful creates */
582 if (set->set_success == 0)
585 if (set->set_count != set->set_success) {
586 set->set_count = set->set_success;
592 GOTO(cleanup, rc = -ENOMEM);
594 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
595 if (!req->rq_complete || req->rq_rc)
597 lov_merge_attrs(ret_oa, req->rq_oi.oi_oa,
598 req->rq_oi.oi_oa->o_valid, set->set_oi->oi_md,
599 req->rq_stripe, &attrset);
601 if (src_oa->o_valid & OBD_MD_FLSIZE &&
602 ret_oa->o_size != src_oa->o_size) {
603 CERROR("original size "LPU64" isn't new object size "LPU64"\n",
604 src_oa->o_size, ret_oa->o_size);
607 ret_oa->o_id = src_oa->o_id;
608 ret_oa->o_gr = src_oa->o_gr;
609 ret_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
610 memcpy(src_oa, ret_oa, sizeof(*src_oa));
613 *lsmp = set->set_oi->oi_md;
617 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
618 struct obd_export *sub_exp;
621 if (!req->rq_complete || req->rq_rc)
624 sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
625 err = obd_destroy(sub_exp, req->rq_oi.oi_oa, NULL, oti, NULL,
628 CERROR("Failed to uncreate objid "LPX64" subobj "
629 LPX64" on OST idx %d: rc = %d\n",
630 src_oa->o_id, req->rq_oi.oi_oa->o_id,
634 obd_free_memmd(exp, &set->set_oi->oi_md);
636 if (oti && set->set_cookies) {
637 oti->oti_logcookies = set->set_cookies;
638 if (!set->set_cookie_sent) {
639 oti_free_cookies(oti);
640 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
642 src_oa->o_valid |= OBD_MD_FLCOOKIE;
648 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
655 LASSERT(set->set_exp);
656 if (set->set_completes)
657 rc = create_done(set->set_exp, set, lsmp);
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 if (rc && lov->lov_tgts[req->rq_idx] &&
673 lov->lov_tgts[req->rq_idx]->ltd_active) {
674 CERROR("error creating fid "LPX64" sub-object"
675 " on OST idx %d/%d: rc = %d\n",
676 set->set_oi->oi_oa->o_id, req->rq_idx,
677 lsm->lsm_stripe_count, rc);
679 CERROR("obd_create returned invalid err %d\n", rc);
684 cfs_spin_lock(&set->set_lock);
685 req->rq_stripe = set->set_success;
686 loi = lsm->lsm_oinfo[req->rq_stripe];
688 lov_update_set(set, req, rc);
689 cfs_spin_unlock(&set->set_lock);
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;
698 if (oti && set->set_cookies)
699 ++oti->oti_logcookies;
700 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
701 set->set_cookie_sent++;
703 lov_update_set(set, req, rc);
704 cfs_spin_unlock(&set->set_lock);
706 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
707 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
711 int cb_create_update(void *cookie, int rc)
713 struct obd_info *oinfo = cookie;
714 struct lov_request *lovreq;
716 lovreq = container_of(oinfo, struct lov_request, rq_oi);
717 rc= lov_update_create_set(lovreq->rq_rqset, lovreq, rc);
718 if (lov_finished_set(lovreq->rq_rqset))
719 lov_put_reqset(lovreq->rq_rqset);
724 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
725 struct lov_stripe_md **lsmp, struct obdo *src_oa,
726 struct obd_trans_info *oti,
727 struct lov_request_set **reqset)
729 struct lov_request_set *set;
733 OBD_ALLOC(set, sizeof(*set));
740 set->set_oi->oi_md = *lsmp;
741 set->set_oi->oi_oa = src_oa;
745 rc = qos_prep_create(exp, set);
746 /* qos_shrink_lsm() may have allocated a new lsm */
747 *lsmp = oinfo->oi_md;
749 lov_fini_create_set(set, lsmp);
757 static int common_attr_done(struct lov_request_set *set)
760 struct lov_request *req;
762 int rc = 0, attrset = 0;
765 LASSERT(set->set_oi != NULL);
767 if (set->set_oi->oi_oa == NULL)
770 if (!set->set_success)
775 GOTO(out, rc = -ENOMEM);
777 cfs_list_for_each (pos, &set->set_list) {
778 req = cfs_list_entry(pos, struct lov_request, rq_link);
780 if (!req->rq_complete || req->rq_rc)
782 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
784 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
785 req->rq_oi.oi_oa->o_valid,
786 set->set_oi->oi_md, req->rq_stripe, &attrset);
789 CERROR("No stripes had valid attrs\n");
792 if ((set->set_oi->oi_oa->o_valid & OBD_MD_FLEPOCH) &&
793 (set->set_oi->oi_md->lsm_stripe_count != attrset)) {
794 /* When we take attributes of some epoch, we require all the
795 * ost to be active. */
796 CERROR("Not all the stripes had valid attrs\n");
797 GOTO(out, rc = -EIO);
800 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
801 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
809 static int brw_done(struct lov_request_set *set)
811 struct lov_stripe_md *lsm = set->set_oi->oi_md;
812 struct lov_oinfo *loi = NULL;
814 struct lov_request *req;
817 cfs_list_for_each (pos, &set->set_list) {
818 req = cfs_list_entry(pos, struct lov_request, rq_link);
820 if (!req->rq_complete || req->rq_rc)
823 loi = lsm->lsm_oinfo[req->rq_stripe];
825 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
826 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
832 int lov_fini_brw_set(struct lov_request_set *set)
839 LASSERT(set->set_exp);
840 if (set->set_completes) {
842 /* FIXME update qos data here */
849 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
850 obd_count oa_bufs, struct brw_page *pga,
851 struct obd_trans_info *oti,
852 struct lov_request_set **reqset)
859 struct lov_request_set *set;
860 struct lov_obd *lov = &exp->exp_obd->u.lov;
861 int rc = 0, i, shift;
864 OBD_ALLOC(set, sizeof(*set));
872 set->set_oabufs = oa_bufs;
873 OBD_ALLOC(set->set_pga, oa_bufs * sizeof(*set->set_pga));
875 GOTO(out, rc = -ENOMEM);
877 OBD_ALLOC(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
879 GOTO(out, rc = -ENOMEM);
881 /* calculate the page count for each stripe */
882 for (i = 0; i < oa_bufs; i++) {
883 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
884 info[stripe].count++;
887 /* alloc and initialize lov request */
889 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
890 struct lov_oinfo *loi = NULL;
891 struct lov_request *req;
893 if (info[i].count == 0)
896 loi = oinfo->oi_md->lsm_oinfo[i];
897 if (!lov->lov_tgts[loi->loi_ost_idx] ||
898 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
899 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
900 GOTO(out, rc = -EIO);
903 OBD_ALLOC(req, sizeof(*req));
905 GOTO(out, rc = -ENOMEM);
907 OBDO_ALLOC(req->rq_oi.oi_oa);
908 if (req->rq_oi.oi_oa == NULL) {
909 OBD_FREE(req, sizeof(*req));
910 GOTO(out, rc = -ENOMEM);
914 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
915 sizeof(*req->rq_oi.oi_oa));
917 req->rq_oi.oi_oa->o_id = loi->loi_id;
918 req->rq_oi.oi_oa->o_stripe_idx = i;
920 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
921 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
922 if (req->rq_oi.oi_md == NULL) {
923 OBDO_FREE(req->rq_oi.oi_oa);
924 OBD_FREE(req, sizeof(*req));
925 GOTO(out, rc = -ENOMEM);
928 req->rq_idx = loi->loi_ost_idx;
931 /* XXX LOV STACKING */
932 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
933 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
934 req->rq_oabufs = info[i].count;
935 req->rq_pgaidx = shift;
936 shift += req->rq_oabufs;
938 /* remember the index for sort brw_page array */
939 info[i].index = req->rq_pgaidx;
941 req->rq_oi.oi_capa = oinfo->oi_capa;
943 lov_set_add_req(req, set);
946 GOTO(out, rc = -EIO);
948 /* rotate & sort the brw_page array */
949 for (i = 0; i < oa_bufs; i++) {
950 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
952 shift = info[stripe].index + info[stripe].off;
953 LASSERT(shift < oa_bufs);
954 set->set_pga[shift] = pga[i];
955 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
956 &set->set_pga[shift].off);
961 OBD_FREE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
966 lov_fini_brw_set(set);
971 int lov_fini_getattr_set(struct lov_request_set *set)
978 LASSERT(set->set_exp);
979 if (set->set_completes)
980 rc = common_attr_done(set);
987 /* The callback for osc_getattr_async that finilizes a request info when a
988 * response is received. */
989 static int cb_getattr_update(void *cookie, int rc)
991 struct obd_info *oinfo = cookie;
992 struct lov_request *lovreq;
993 lovreq = container_of(oinfo, struct lov_request, rq_oi);
994 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
997 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
998 struct lov_request_set **reqset)
1000 struct lov_request_set *set;
1001 struct lov_obd *lov = &exp->exp_obd->u.lov;
1005 OBD_ALLOC(set, sizeof(*set));
1011 set->set_oi = oinfo;
1013 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1014 struct lov_oinfo *loi;
1015 struct lov_request *req;
1017 loi = oinfo->oi_md->lsm_oinfo[i];
1018 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1019 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1020 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1021 if (oinfo->oi_oa->o_valid & OBD_MD_FLEPOCH)
1022 /* SOM requires all the OSTs to be active. */
1023 GOTO(out_set, rc = -EIO);
1027 OBD_ALLOC(req, sizeof(*req));
1029 GOTO(out_set, rc = -ENOMEM);
1032 req->rq_idx = loi->loi_ost_idx;
1034 OBDO_ALLOC(req->rq_oi.oi_oa);
1035 if (req->rq_oi.oi_oa == NULL) {
1036 OBD_FREE(req, sizeof(*req));
1037 GOTO(out_set, rc = -ENOMEM);
1039 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1040 sizeof(*req->rq_oi.oi_oa));
1041 req->rq_oi.oi_oa->o_id = loi->loi_id;
1042 req->rq_oi.oi_cb_up = cb_getattr_update;
1043 req->rq_oi.oi_capa = oinfo->oi_capa;
1045 lov_set_add_req(req, set);
1047 if (!set->set_count)
1048 GOTO(out_set, rc = -EIO);
1052 lov_fini_getattr_set(set);
1056 int lov_fini_destroy_set(struct lov_request_set *set)
1062 LASSERT(set->set_exp);
1063 if (set->set_completes) {
1064 /* FIXME update qos data here */
1067 lov_put_reqset(set);
1072 int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
1073 struct obdo *src_oa, struct lov_stripe_md *lsm,
1074 struct obd_trans_info *oti,
1075 struct lov_request_set **reqset)
1077 struct lov_request_set *set;
1078 struct lov_obd *lov = &exp->exp_obd->u.lov;
1082 OBD_ALLOC(set, sizeof(*set));
1088 set->set_oi = oinfo;
1089 set->set_oi->oi_md = lsm;
1090 set->set_oi->oi_oa = src_oa;
1092 if (oti != NULL && src_oa->o_valid & OBD_MD_FLCOOKIE)
1093 set->set_cookies = oti->oti_logcookies;
1095 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1096 struct lov_oinfo *loi;
1097 struct lov_request *req;
1099 loi = lsm->lsm_oinfo[i];
1100 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1101 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1102 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1106 OBD_ALLOC(req, sizeof(*req));
1108 GOTO(out_set, rc = -ENOMEM);
1111 req->rq_idx = loi->loi_ost_idx;
1113 OBDO_ALLOC(req->rq_oi.oi_oa);
1114 if (req->rq_oi.oi_oa == NULL) {
1115 OBD_FREE(req, sizeof(*req));
1116 GOTO(out_set, rc = -ENOMEM);
1118 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1119 req->rq_oi.oi_oa->o_id = loi->loi_id;
1120 lov_set_add_req(req, set);
1122 if (!set->set_count)
1123 GOTO(out_set, rc = -EIO);
1127 lov_fini_destroy_set(set);
1131 int lov_fini_setattr_set(struct lov_request_set *set)
1138 LASSERT(set->set_exp);
1139 if (set->set_completes) {
1140 rc = common_attr_done(set);
1141 /* FIXME update qos data here */
1144 lov_put_reqset(set);
1148 int lov_update_setattr_set(struct lov_request_set *set,
1149 struct lov_request *req, int rc)
1151 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1152 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1155 lov_update_set(set, req, rc);
1157 /* grace error on inactive ost */
1158 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1159 lov->lov_tgts[req->rq_idx]->ltd_active))
1163 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1164 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1165 req->rq_oi.oi_oa->o_ctime;
1166 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1167 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1168 req->rq_oi.oi_oa->o_mtime;
1169 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1170 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1171 req->rq_oi.oi_oa->o_atime;
1177 /* The callback for osc_setattr_async that finilizes a request info when a
1178 * response is received. */
1179 static int cb_setattr_update(void *cookie, int rc)
1181 struct obd_info *oinfo = cookie;
1182 struct lov_request *lovreq;
1183 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1184 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1187 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1188 struct obd_trans_info *oti,
1189 struct lov_request_set **reqset)
1191 struct lov_request_set *set;
1192 struct lov_obd *lov = &exp->exp_obd->u.lov;
1196 OBD_ALLOC(set, sizeof(*set));
1203 set->set_oi = oinfo;
1204 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1205 set->set_cookies = oti->oti_logcookies;
1207 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1208 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1209 struct lov_request *req;
1211 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1212 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1213 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1217 OBD_ALLOC(req, sizeof(*req));
1219 GOTO(out_set, rc = -ENOMEM);
1221 req->rq_idx = loi->loi_ost_idx;
1223 OBDO_ALLOC(req->rq_oi.oi_oa);
1224 if (req->rq_oi.oi_oa == NULL) {
1225 OBD_FREE(req, sizeof(*req));
1226 GOTO(out_set, rc = -ENOMEM);
1228 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1229 sizeof(*req->rq_oi.oi_oa));
1230 req->rq_oi.oi_oa->o_id = loi->loi_id;
1231 req->rq_oi.oi_oa->o_stripe_idx = i;
1232 req->rq_oi.oi_cb_up = cb_setattr_update;
1233 req->rq_oi.oi_capa = oinfo->oi_capa;
1235 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1236 int off = lov_stripe_offset(oinfo->oi_md,
1237 oinfo->oi_oa->o_size, i,
1238 &req->rq_oi.oi_oa->o_size);
1240 if (off < 0 && req->rq_oi.oi_oa->o_size)
1241 req->rq_oi.oi_oa->o_size--;
1243 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1244 i, req->rq_oi.oi_oa->o_size,
1245 oinfo->oi_oa->o_size);
1247 lov_set_add_req(req, set);
1249 if (!set->set_count)
1250 GOTO(out_set, rc = -EIO);
1254 lov_fini_setattr_set(set);
1258 int lov_fini_punch_set(struct lov_request_set *set)
1265 LASSERT(set->set_exp);
1266 if (set->set_completes) {
1268 /* FIXME update qos data here */
1269 if (set->set_success)
1270 rc = common_attr_done(set);
1273 lov_put_reqset(set);
1278 int lov_update_punch_set(struct lov_request_set *set,
1279 struct lov_request *req, int rc)
1281 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1282 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1285 lov_update_set(set, req, rc);
1287 /* grace error on inactive ost */
1288 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1292 lov_stripe_lock(lsm);
1293 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1294 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1295 req->rq_oi.oi_oa->o_blocks;
1298 /* Do we need to update lvb_size here? It needn't because
1299 * it have been done in ll_truncate(). -jay */
1300 lov_stripe_unlock(lsm);
1306 /* The callback for osc_punch that finilizes a request info when a response
1308 static int cb_update_punch(void *cookie, int rc)
1310 struct obd_info *oinfo = cookie;
1311 struct lov_request *lovreq;
1312 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1313 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1316 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1317 struct obd_trans_info *oti,
1318 struct lov_request_set **reqset)
1320 struct lov_request_set *set;
1321 struct lov_obd *lov = &exp->exp_obd->u.lov;
1325 OBD_ALLOC(set, sizeof(*set));
1330 set->set_oi = oinfo;
1333 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1334 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1335 struct lov_request *req;
1338 if (!lov_stripe_intersects(oinfo->oi_md, i,
1339 oinfo->oi_policy.l_extent.start,
1340 oinfo->oi_policy.l_extent.end,
1344 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1345 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1346 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1347 GOTO(out_set, rc = -EIO);
1350 OBD_ALLOC(req, sizeof(*req));
1352 GOTO(out_set, rc = -ENOMEM);
1354 req->rq_idx = loi->loi_ost_idx;
1356 OBDO_ALLOC(req->rq_oi.oi_oa);
1357 if (req->rq_oi.oi_oa == NULL) {
1358 OBD_FREE(req, sizeof(*req));
1359 GOTO(out_set, rc = -ENOMEM);
1361 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1362 sizeof(*req->rq_oi.oi_oa));
1363 req->rq_oi.oi_oa->o_id = loi->loi_id;
1364 req->rq_oi.oi_oa->o_gr = loi->loi_gr;
1365 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1367 req->rq_oi.oi_oa->o_stripe_idx = i;
1368 req->rq_oi.oi_cb_up = cb_update_punch;
1370 req->rq_oi.oi_policy.l_extent.start = rs;
1371 req->rq_oi.oi_policy.l_extent.end = re;
1372 req->rq_oi.oi_policy.l_extent.gid = -1;
1374 req->rq_oi.oi_capa = oinfo->oi_capa;
1376 lov_set_add_req(req, set);
1378 if (!set->set_count)
1379 GOTO(out_set, rc = -EIO);
1383 lov_fini_punch_set(set);
1387 int lov_fini_sync_set(struct lov_request_set *set)
1394 LASSERT(set->set_exp);
1395 if (set->set_completes) {
1396 if (!set->set_success)
1398 /* FIXME update qos data here */
1401 lov_put_reqset(set);
1406 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1407 struct obdo *src_oa, struct lov_stripe_md *lsm,
1408 obd_off start, obd_off end,
1409 struct lov_request_set **reqset)
1411 struct lov_request_set *set;
1412 struct lov_obd *lov = &exp->exp_obd->u.lov;
1416 OBD_ALLOC(set, sizeof(*set));
1422 set->set_oi = oinfo;
1423 set->set_oi->oi_md = lsm;
1424 set->set_oi->oi_oa = src_oa;
1426 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1427 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
1428 struct lov_request *req;
1431 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1432 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1433 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1437 if (!lov_stripe_intersects(lsm, i, start, end, &rs, &re))
1440 OBD_ALLOC(req, sizeof(*req));
1442 GOTO(out_set, rc = -ENOMEM);
1444 req->rq_idx = loi->loi_ost_idx;
1446 OBDO_ALLOC(req->rq_oi.oi_oa);
1447 if (req->rq_oi.oi_oa == NULL) {
1448 OBD_FREE(req, sizeof(*req));
1449 GOTO(out_set, rc = -ENOMEM);
1451 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1452 req->rq_oi.oi_oa->o_id = loi->loi_id;
1453 req->rq_oi.oi_oa->o_stripe_idx = i;
1455 req->rq_oi.oi_policy.l_extent.start = rs;
1456 req->rq_oi.oi_policy.l_extent.end = re;
1457 req->rq_oi.oi_policy.l_extent.gid = -1;
1459 lov_set_add_req(req, set);
1461 if (!set->set_count)
1462 GOTO(out_set, rc = -EIO);
1466 lov_fini_sync_set(set);
1470 #define LOV_U64_MAX ((__u64)~0ULL)
1471 #define LOV_SUM_MAX(tot, add) \
1473 if ((tot) + (add) < (tot)) \
1474 (tot) = LOV_U64_MAX; \
1479 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1484 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov, 0);
1486 if (osfs->os_files != LOV_U64_MAX)
1487 do_div(osfs->os_files, expected_stripes);
1488 if (osfs->os_ffree != LOV_U64_MAX)
1489 do_div(osfs->os_ffree, expected_stripes);
1491 cfs_spin_lock(&obd->obd_osfs_lock);
1492 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1493 obd->obd_osfs_age = cfs_time_current_64();
1494 cfs_spin_unlock(&obd->obd_osfs_lock);
1501 int lov_fini_statfs_set(struct lov_request_set *set)
1509 if (set->set_completes) {
1510 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1513 lov_put_reqset(set);
1517 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1520 int shift = 0, quit = 0;
1524 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1526 if (osfs->os_bsize != lov_sfs->os_bsize) {
1527 /* assume all block sizes are always powers of 2 */
1528 /* get the bits difference */
1529 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1530 for (shift = 0; shift <= 64; ++shift) {
1542 if (osfs->os_bsize < lov_sfs->os_bsize) {
1543 osfs->os_bsize = lov_sfs->os_bsize;
1545 osfs->os_bfree >>= shift;
1546 osfs->os_bavail >>= shift;
1547 osfs->os_blocks >>= shift;
1548 } else if (shift != 0) {
1549 lov_sfs->os_bfree >>= shift;
1550 lov_sfs->os_bavail >>= shift;
1551 lov_sfs->os_blocks >>= shift;
1554 /* Sandia requested that df (and so, statfs) only
1555 returned minimal available space on
1556 a single OST, so people would be able to
1557 write this much data guaranteed. */
1558 if (osfs->os_bavail > lov_sfs->os_bavail) {
1559 /* Presumably if new bavail is smaller,
1560 new bfree is bigger as well */
1561 osfs->os_bfree = lov_sfs->os_bfree;
1562 osfs->os_bavail = lov_sfs->os_bavail;
1565 osfs->os_bfree += lov_sfs->os_bfree;
1566 osfs->os_bavail += lov_sfs->os_bavail;
1568 osfs->os_blocks += lov_sfs->os_blocks;
1569 /* XXX not sure about this one - depends on policy.
1570 * - could be minimum if we always stripe on all OBDs
1571 * (but that would be wrong for any other policy,
1572 * if one of the OBDs has no more objects left)
1573 * - could be sum if we stripe whole objects
1574 * - could be average, just to give a nice number
1576 * To give a "reasonable" (if not wholly accurate)
1577 * number, we divide the total number of free objects
1578 * by expected stripe count (watch out for overflow).
1580 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1581 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1585 /* The callback for osc_statfs_async that finilizes a request info when a
1586 * response is received. */
1587 static int cb_statfs_update(void *cookie, int rc)
1589 struct obd_info *oinfo = cookie;
1590 struct lov_request *lovreq;
1591 struct obd_statfs *osfs, *lov_sfs;
1592 struct lov_obd *lov;
1593 struct lov_tgt_desc *tgt;
1594 struct obd_device *lovobd, *tgtobd;
1598 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1599 lovobd = lovreq->rq_rqset->set_obd;
1600 lov = &lovobd->u.lov;
1601 osfs = lovreq->rq_rqset->set_oi->oi_osfs;
1602 lov_sfs = oinfo->oi_osfs;
1603 success = lovreq->rq_rqset->set_success;
1604 /* XXX: the same is done in lov_update_common_set, however
1605 lovset->set_exp is not initialized. */
1606 lov_update_set(lovreq->rq_rqset, lovreq, rc);
1611 tgt = lov->lov_tgts[lovreq->rq_idx];
1612 if (!tgt || !tgt->ltd_active)
1613 GOTO(out_update, rc);
1615 tgtobd = class_exp2obd(tgt->ltd_exp);
1616 cfs_spin_lock(&tgtobd->obd_osfs_lock);
1617 memcpy(&tgtobd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1618 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1619 tgtobd->obd_osfs_age = cfs_time_current_64();
1620 cfs_spin_unlock(&tgtobd->obd_osfs_lock);
1623 lov_update_statfs(osfs, lov_sfs, success);
1628 if (lovreq->rq_rqset->set_oi->oi_flags & OBD_STATFS_PTLRPCD &&
1629 lov_finished_set(lovreq->rq_rqset)) {
1630 lov_statfs_interpret(NULL, lovreq->rq_rqset,
1631 lovreq->rq_rqset->set_success !=
1632 lovreq->rq_rqset->set_count);
1633 qos_statfs_done(lov);
1639 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1640 struct lov_request_set **reqset)
1642 struct lov_request_set *set;
1643 struct lov_obd *lov = &obd->u.lov;
1647 OBD_ALLOC(set, sizeof(*set));
1653 set->set_oi = oinfo;
1655 /* We only get block data from the OBD */
1656 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1657 struct lov_request *req;
1659 if (!lov->lov_tgts[i] || (!lov->lov_tgts[i]->ltd_active
1660 && (oinfo->oi_flags & OBD_STATFS_NODELAY))) {
1661 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1665 /* skip targets that have been explicitely disabled by the
1667 if (!lov->lov_tgts[i]->ltd_exp) {
1668 CDEBUG(D_HA, "lov idx %d administratively disabled\n", i);
1672 OBD_ALLOC(req, sizeof(*req));
1674 GOTO(out_set, rc = -ENOMEM);
1676 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1677 if (req->rq_oi.oi_osfs == NULL) {
1678 OBD_FREE(req, sizeof(*req));
1679 GOTO(out_set, rc = -ENOMEM);
1683 req->rq_oi.oi_cb_up = cb_statfs_update;
1684 req->rq_oi.oi_flags = oinfo->oi_flags;
1686 lov_set_add_req(req, set);
1688 if (!set->set_count)
1689 GOTO(out_set, rc = -EIO);
1693 lov_fini_statfs_set(set);