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.
32 * Copyright (c) 2011, Whamcloud, Inc.
35 * This file is part of Lustre, http://www.lustre.org/
36 * Lustre is a trademark of Sun Microsystems, Inc.
40 # define EXPORT_SYMTAB
42 #define DEBUG_SUBSYSTEM S_LOV
45 #include <libcfs/libcfs.h>
47 #include <liblustre.h>
50 #include <obd_class.h>
52 #include <lustre/lustre_idl.h>
54 #include "lov_internal.h"
56 static void lov_init_set(struct lov_request_set *set)
59 cfs_atomic_set(&set->set_completes, 0);
60 cfs_atomic_set(&set->set_success, 0);
62 CFS_INIT_LIST_HEAD(&set->set_list);
63 cfs_atomic_set(&set->set_refcount, 1);
64 cfs_waitq_init(&set->set_waitq);
65 cfs_spin_lock_init(&set->set_lock);
68 void lov_finish_set(struct lov_request_set *set)
74 cfs_list_for_each_safe(pos, n, &set->set_list) {
75 struct lov_request *req = cfs_list_entry(pos,
78 cfs_list_del_init(&req->rq_link);
81 OBDO_FREE(req->rq_oi.oi_oa);
83 OBD_FREE_LARGE(req->rq_oi.oi_md, req->rq_buflen);
84 if (req->rq_oi.oi_osfs)
85 OBD_FREE(req->rq_oi.oi_osfs,
86 sizeof(*req->rq_oi.oi_osfs));
87 OBD_FREE(req, sizeof(*req));
91 int len = set->set_oabufs * sizeof(*set->set_pga);
92 OBD_FREE_LARGE(set->set_pga, len);
95 lov_llh_put(set->set_lockh);
97 OBD_FREE(set, sizeof(*set));
101 int lov_finished_set(struct lov_request_set *set)
103 int completes = cfs_atomic_read(&set->set_completes);
105 CDEBUG(D_INFO, "check set %d/%d\n", completes,
107 return completes == set->set_count;
110 void lov_update_set(struct lov_request_set *set,
111 struct lov_request *req, int rc)
113 req->rq_complete = 1;
116 cfs_atomic_inc(&set->set_completes);
118 cfs_atomic_inc(&set->set_success);
120 cfs_waitq_signal(&set->set_waitq);
123 int lov_update_common_set(struct lov_request_set *set,
124 struct lov_request *req, int rc)
126 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
129 lov_update_set(set, req, rc);
131 /* grace error on inactive ost */
132 if (rc && !(lov->lov_tgts[req->rq_idx] &&
133 lov->lov_tgts[req->rq_idx]->ltd_active))
136 /* FIXME in raid1 regime, should return 0 */
140 void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
142 cfs_list_add_tail(&req->rq_link, &set->set_list);
147 extern void osc_update_enqueue(struct lustre_handle *lov_lockhp,
148 struct lov_oinfo *loi, int flags,
149 struct ost_lvb *lvb, __u32 mode, int rc);
151 static int lov_update_enqueue_lov(struct obd_export *exp,
152 struct lustre_handle *lov_lockhp,
153 struct lov_oinfo *loi, int flags, int idx,
156 struct lov_obd *lov = &exp->exp_obd->u.lov;
158 if (rc != ELDLM_OK &&
159 !(rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT))) {
160 memset(lov_lockhp, 0, sizeof(*lov_lockhp));
161 if (lov->lov_tgts[idx] && lov->lov_tgts[idx]->ltd_active) {
162 /* -EUSERS used by OST to report file contention */
163 if (rc != -EINTR && rc != -EUSERS)
164 CERROR("enqueue objid "LPX64" subobj "
165 LPX64" on OST idx %d: rc %d\n",
166 oid, loi->loi_id, loi->loi_ost_idx, rc);
173 int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
175 struct lov_request_set *set = req->rq_rqset;
176 struct lustre_handle *lov_lockhp;
177 struct obd_info *oi = set->set_oi;
178 struct lov_oinfo *loi;
183 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
184 loi = oi->oi_md->lsm_oinfo[req->rq_stripe];
186 /* XXX LOV STACKING: OSC gets a copy, created in lov_prep_enqueue_set
187 * and that copy can be arbitrarily out of date.
189 * The LOV API is due for a serious rewriting anyways, and this
190 * can be addressed then. */
192 lov_stripe_lock(oi->oi_md);
193 osc_update_enqueue(lov_lockhp, loi, oi->oi_flags,
194 &req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb, mode, rc);
195 if (rc == ELDLM_LOCK_ABORTED && (oi->oi_flags & LDLM_FL_HAS_INTENT))
196 memset(lov_lockhp, 0, sizeof *lov_lockhp);
197 rc = lov_update_enqueue_lov(set->set_exp, lov_lockhp, loi, oi->oi_flags,
198 req->rq_idx, oi->oi_md->lsm_object_id, rc);
199 lov_stripe_unlock(oi->oi_md);
200 lov_update_set(set, req, rc);
204 /* The callback for osc_enqueue that updates lov info for every OSC request. */
205 static int cb_update_enqueue(void *cookie, int rc)
207 struct obd_info *oinfo = cookie;
208 struct ldlm_enqueue_info *einfo;
209 struct lov_request *lovreq;
211 lovreq = container_of(oinfo, struct lov_request, rq_oi);
212 einfo = lovreq->rq_rqset->set_ei;
213 return lov_update_enqueue_set(lovreq, einfo->ei_mode, rc);
216 static int enqueue_done(struct lov_request_set *set, __u32 mode)
218 struct lov_request *req;
219 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
220 int completes = cfs_atomic_read(&set->set_completes);
224 /* enqueue/match success, just return */
225 if (completes && completes == cfs_atomic_read(&set->set_success))
228 /* cancel enqueued/matched locks */
229 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
230 struct lustre_handle *lov_lockhp;
232 if (!req->rq_complete || req->rq_rc)
235 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
237 if (!lustre_handle_is_used(lov_lockhp))
240 rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
241 req->rq_oi.oi_md, mode, lov_lockhp);
242 if (rc && lov->lov_tgts[req->rq_idx] &&
243 lov->lov_tgts[req->rq_idx]->ltd_active)
244 CERROR("cancelling obdjid "LPX64" on OST "
245 "idx %d error: rc = %d\n",
246 req->rq_oi.oi_md->lsm_object_id,
250 lov_llh_put(set->set_lockh);
254 int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
255 struct ptlrpc_request_set *rqset)
262 LASSERT(set->set_exp);
263 /* Do enqueue_done only for sync requests and if any request
267 cfs_atomic_set(&set->set_completes, 0);
268 ret = enqueue_done(set, mode);
269 } else if (set->set_lockh)
270 lov_llh_put(set->set_lockh);
274 RETURN(rc ? rc : ret);
277 int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
278 struct ldlm_enqueue_info *einfo,
279 struct lov_request_set **reqset)
281 struct lov_obd *lov = &exp->exp_obd->u.lov;
282 struct lov_request_set *set;
286 OBD_ALLOC(set, sizeof(*set));
294 set->set_lockh = lov_llh_new(oinfo->oi_md);
295 if (set->set_lockh == NULL)
296 GOTO(out_set, rc = -ENOMEM);
297 oinfo->oi_lockh->cookie = set->set_lockh->llh_handle.h_cookie;
299 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
300 struct lov_oinfo *loi;
301 struct lov_request *req;
304 loi = oinfo->oi_md->lsm_oinfo[i];
305 if (!lov_stripe_intersects(oinfo->oi_md, i,
306 oinfo->oi_policy.l_extent.start,
307 oinfo->oi_policy.l_extent.end,
311 if (!lov->lov_tgts[loi->loi_ost_idx] ||
312 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
313 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
317 OBD_ALLOC(req, sizeof(*req));
319 GOTO(out_set, rc = -ENOMEM);
321 req->rq_buflen = sizeof(*req->rq_oi.oi_md) +
322 sizeof(struct lov_oinfo *) +
323 sizeof(struct lov_oinfo);
324 OBD_ALLOC_LARGE(req->rq_oi.oi_md, req->rq_buflen);
325 if (req->rq_oi.oi_md == NULL) {
326 OBD_FREE(req, sizeof(*req));
327 GOTO(out_set, rc = -ENOMEM);
329 req->rq_oi.oi_md->lsm_oinfo[0] =
330 ((void *)req->rq_oi.oi_md) + sizeof(*req->rq_oi.oi_md) +
331 sizeof(struct lov_oinfo *);
333 /* Set lov request specific parameters. */
334 req->rq_oi.oi_lockh = set->set_lockh->llh_handles + i;
335 req->rq_oi.oi_cb_up = cb_update_enqueue;
336 req->rq_oi.oi_flags = oinfo->oi_flags;
338 LASSERT(req->rq_oi.oi_lockh);
340 req->rq_oi.oi_policy.l_extent.gid =
341 oinfo->oi_policy.l_extent.gid;
342 req->rq_oi.oi_policy.l_extent.start = start;
343 req->rq_oi.oi_policy.l_extent.end = end;
345 req->rq_idx = loi->loi_ost_idx;
348 /* XXX LOV STACKING: submd should be from the subobj */
349 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
350 req->rq_oi.oi_md->lsm_object_seq = loi->loi_seq;
351 req->rq_oi.oi_md->lsm_stripe_count = 0;
352 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms_valid =
354 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms = loi->loi_kms;
355 req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb = loi->loi_lvb;
357 lov_set_add_req(req, set);
360 GOTO(out_set, rc = -EIO);
364 lov_fini_enqueue_set(set, einfo->ei_mode, rc, NULL);
368 int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
375 LASSERT(set->set_exp);
376 rc = enqueue_done(set, mode);
377 if ((set->set_count == cfs_atomic_read(&set->set_success)) &&
378 (flags & LDLM_FL_TEST_LOCK))
379 lov_llh_put(set->set_lockh);
386 int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
387 struct lov_stripe_md *lsm, ldlm_policy_data_t *policy,
388 __u32 mode, struct lustre_handle *lockh,
389 struct lov_request_set **reqset)
391 struct lov_obd *lov = &exp->exp_obd->u.lov;
392 struct lov_request_set *set;
396 OBD_ALLOC(set, sizeof(*set));
403 set->set_oi->oi_md = lsm;
404 set->set_lockh = lov_llh_new(lsm);
405 if (set->set_lockh == NULL)
406 GOTO(out_set, rc = -ENOMEM);
407 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
409 for (i = 0; i < lsm->lsm_stripe_count; i++){
410 struct lov_oinfo *loi;
411 struct lov_request *req;
414 loi = lsm->lsm_oinfo[i];
415 if (!lov_stripe_intersects(lsm, i, policy->l_extent.start,
416 policy->l_extent.end, &start, &end))
419 /* FIXME raid1 should grace this error */
420 if (!lov->lov_tgts[loi->loi_ost_idx] ||
421 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
422 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
423 GOTO(out_set, rc = -EIO);
426 OBD_ALLOC(req, sizeof(*req));
428 GOTO(out_set, rc = -ENOMEM);
430 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
431 OBD_ALLOC_LARGE(req->rq_oi.oi_md, req->rq_buflen);
432 if (req->rq_oi.oi_md == NULL) {
433 OBD_FREE(req, sizeof(*req));
434 GOTO(out_set, rc = -ENOMEM);
437 req->rq_oi.oi_policy.l_extent.start = start;
438 req->rq_oi.oi_policy.l_extent.end = end;
439 req->rq_oi.oi_policy.l_extent.gid = policy->l_extent.gid;
441 req->rq_idx = loi->loi_ost_idx;
444 /* XXX LOV STACKING: submd should be from the subobj */
445 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
446 req->rq_oi.oi_md->lsm_object_seq = loi->loi_seq;
447 req->rq_oi.oi_md->lsm_stripe_count = 0;
449 lov_set_add_req(req, set);
452 GOTO(out_set, rc = -EIO);
456 lov_fini_match_set(set, mode, 0);
460 int lov_fini_cancel_set(struct lov_request_set *set)
468 LASSERT(set->set_exp);
470 lov_llh_put(set->set_lockh);
477 int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
478 struct lov_stripe_md *lsm, __u32 mode,
479 struct lustre_handle *lockh,
480 struct lov_request_set **reqset)
482 struct lov_request_set *set;
486 OBD_ALLOC(set, sizeof(*set));
493 set->set_oi->oi_md = lsm;
494 set->set_lockh = lov_handle2llh(lockh);
495 if (set->set_lockh == NULL) {
496 CERROR("LOV: invalid lov lock handle %p\n", lockh);
497 GOTO(out_set, rc = -EINVAL);
499 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
501 for (i = 0; i < lsm->lsm_stripe_count; i++){
502 struct lov_request *req;
503 struct lustre_handle *lov_lockhp;
504 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
506 lov_lockhp = set->set_lockh->llh_handles + i;
507 if (!lustre_handle_is_used(lov_lockhp)) {
508 CDEBUG(D_INFO, "lov idx %d subobj "LPX64" no lock\n",
509 loi->loi_ost_idx, loi->loi_id);
513 OBD_ALLOC(req, sizeof(*req));
515 GOTO(out_set, rc = -ENOMEM);
517 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
518 OBD_ALLOC_LARGE(req->rq_oi.oi_md, req->rq_buflen);
519 if (req->rq_oi.oi_md == NULL) {
520 OBD_FREE(req, sizeof(*req));
521 GOTO(out_set, rc = -ENOMEM);
524 req->rq_idx = loi->loi_ost_idx;
527 /* XXX LOV STACKING: submd should be from the subobj */
528 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
529 req->rq_oi.oi_md->lsm_object_seq = loi->loi_seq;
530 req->rq_oi.oi_md->lsm_stripe_count = 0;
532 lov_set_add_req(req, set);
535 GOTO(out_set, rc = -EIO);
539 lov_fini_cancel_set(set);
543 static int lov_update_create_set(struct lov_request_set *set,
544 struct lov_request *req, int rc)
546 struct obd_trans_info *oti = set->set_oti;
547 struct lov_stripe_md *lsm = set->set_oi->oi_md;
548 struct lov_oinfo *loi;
549 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
552 if (rc && lov->lov_tgts[req->rq_idx] &&
553 lov->lov_tgts[req->rq_idx]->ltd_active) {
554 CERROR("error creating fid "LPX64" sub-object"
555 " on OST idx %d/%d: rc = %d\n",
556 set->set_oi->oi_oa->o_id, req->rq_idx,
557 lsm->lsm_stripe_count, rc);
559 CERROR("obd_create returned invalid err %d\n", rc);
564 cfs_spin_lock(&set->set_lock);
565 req->rq_stripe = cfs_atomic_read(&set->set_success);
566 loi = lsm->lsm_oinfo[req->rq_stripe];
570 lov_update_set(set, req, rc);
571 cfs_spin_unlock(&set->set_lock);
575 loi->loi_id = req->rq_oi.oi_oa->o_id;
576 loi->loi_seq = req->rq_oi.oi_oa->o_seq;
577 loi->loi_ost_idx = req->rq_idx;
580 if (oti && set->set_cookies)
581 ++oti->oti_logcookies;
582 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
583 set->set_cookie_sent++;
585 lov_update_set(set, req, rc);
586 cfs_spin_unlock(&set->set_lock);
588 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
589 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
593 static int create_done(struct obd_export *exp, struct lov_request_set *set,
594 struct lov_stripe_md **lsmp)
596 struct lov_obd *lov = &exp->exp_obd->u.lov;
597 struct obd_trans_info *oti = set->set_oti;
598 struct obdo *src_oa = set->set_oi->oi_oa;
599 struct lov_request *req;
600 struct obdo *ret_oa = NULL;
601 int success, attrset = 0, rc = 0;
604 LASSERT(cfs_atomic_read(&set->set_completes));
606 /* try alloc objects on other osts if osc_create fails for
607 * exceptions: RPC failure, ENOSPC, etc */
608 if (set->set_count != cfs_atomic_read(&set->set_success)) {
609 cfs_list_for_each_entry (req, &set->set_list, rq_link) {
613 cfs_atomic_dec(&set->set_completes);
614 req->rq_complete = 0;
616 rc = qos_remedy_create(set, req);
617 lov_update_create_set(set, req, rc);
621 success = cfs_atomic_read(&set->set_success);
622 /* no successful creates */
626 if (set->set_count != success) {
627 set->set_count = success;
633 GOTO(cleanup, rc = -ENOMEM);
635 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
636 if (!req->rq_complete || req->rq_rc)
638 lov_merge_attrs(ret_oa, req->rq_oi.oi_oa,
639 req->rq_oi.oi_oa->o_valid, set->set_oi->oi_md,
640 req->rq_stripe, &attrset);
642 if (src_oa->o_valid & OBD_MD_FLSIZE &&
643 ret_oa->o_size != src_oa->o_size) {
644 CERROR("original size "LPU64" isn't new object size "LPU64"\n",
645 src_oa->o_size, ret_oa->o_size);
648 ret_oa->o_id = src_oa->o_id;
649 ret_oa->o_seq = src_oa->o_seq;
650 ret_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
651 memcpy(src_oa, ret_oa, sizeof(*src_oa));
654 *lsmp = set->set_oi->oi_md;
658 cfs_list_for_each_entry(req, &set->set_list, rq_link) {
659 struct obd_export *sub_exp;
662 if (!req->rq_complete || req->rq_rc)
665 sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
666 err = obd_destroy(sub_exp, req->rq_oi.oi_oa, NULL, oti, NULL,
669 CERROR("Failed to uncreate objid "LPX64" subobj "
670 LPX64" on OST idx %d: rc = %d\n",
671 src_oa->o_id, req->rq_oi.oi_oa->o_id,
675 obd_free_memmd(exp, &set->set_oi->oi_md);
677 if (oti && set->set_cookies) {
678 oti->oti_logcookies = set->set_cookies;
679 if (!set->set_cookie_sent) {
680 oti_free_cookies(oti);
681 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
683 src_oa->o_valid |= OBD_MD_FLCOOKIE;
689 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
696 LASSERT(set->set_exp);
697 if (cfs_atomic_read(&set->set_completes))
698 rc = create_done(set->set_exp, set, lsmp);
704 int cb_create_update(void *cookie, int rc)
706 struct obd_info *oinfo = cookie;
707 struct lov_request *lovreq;
709 lovreq = container_of(oinfo, struct lov_request, rq_oi);
711 if (CFS_FAIL_CHECK(OBD_FAIL_MDS_OSC_CREATE_FAIL))
712 if (lovreq->rq_idx == cfs_fail_val)
715 rc= lov_update_create_set(lovreq->rq_rqset, lovreq, rc);
716 if (lov_finished_set(lovreq->rq_rqset))
717 lov_put_reqset(lovreq->rq_rqset);
721 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
722 struct lov_stripe_md **lsmp, struct obdo *src_oa,
723 struct obd_trans_info *oti,
724 struct lov_request_set **reqset)
726 struct lov_request_set *set;
730 OBD_ALLOC(set, sizeof(*set));
737 set->set_oi->oi_md = *lsmp;
738 set->set_oi->oi_oa = src_oa;
742 rc = qos_prep_create(exp, set);
743 /* qos_shrink_lsm() may have allocated a new lsm */
744 *lsmp = oinfo->oi_md;
746 lov_fini_create_set(set, lsmp);
754 static int common_attr_done(struct lov_request_set *set)
757 struct lov_request *req;
759 int rc = 0, attrset = 0;
762 LASSERT(set->set_oi != NULL);
764 if (set->set_oi->oi_oa == NULL)
767 if (!cfs_atomic_read(&set->set_success))
772 GOTO(out, rc = -ENOMEM);
774 cfs_list_for_each (pos, &set->set_list) {
775 req = cfs_list_entry(pos, struct lov_request, rq_link);
777 if (!req->rq_complete || req->rq_rc)
779 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
781 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
782 req->rq_oi.oi_oa->o_valid,
783 set->set_oi->oi_md, req->rq_stripe, &attrset);
786 CERROR("No stripes had valid attrs\n");
789 if ((set->set_oi->oi_oa->o_valid & OBD_MD_FLEPOCH) &&
790 (set->set_oi->oi_md->lsm_stripe_count != attrset)) {
791 /* When we take attributes of some epoch, we require all the
792 * ost to be active. */
793 CERROR("Not all the stripes had valid attrs\n");
794 GOTO(out, rc = -EIO);
797 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
798 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
806 static int brw_done(struct lov_request_set *set)
808 struct lov_stripe_md *lsm = set->set_oi->oi_md;
809 struct lov_oinfo *loi = NULL;
811 struct lov_request *req;
814 cfs_list_for_each (pos, &set->set_list) {
815 req = cfs_list_entry(pos, struct lov_request, rq_link);
817 if (!req->rq_complete || req->rq_rc)
820 loi = lsm->lsm_oinfo[req->rq_stripe];
822 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
823 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
829 int lov_fini_brw_set(struct lov_request_set *set)
836 LASSERT(set->set_exp);
837 if (cfs_atomic_read(&set->set_completes)) {
839 /* FIXME update qos data here */
846 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
847 obd_count oa_bufs, struct brw_page *pga,
848 struct obd_trans_info *oti,
849 struct lov_request_set **reqset)
856 struct lov_request_set *set;
857 struct lov_obd *lov = &exp->exp_obd->u.lov;
858 int rc = 0, i, shift;
861 OBD_ALLOC(set, sizeof(*set));
869 set->set_oabufs = oa_bufs;
870 OBD_ALLOC_LARGE(set->set_pga, oa_bufs * sizeof(*set->set_pga));
872 GOTO(out, rc = -ENOMEM);
874 OBD_ALLOC_LARGE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
876 GOTO(out, rc = -ENOMEM);
878 /* calculate the page count for each stripe */
879 for (i = 0; i < oa_bufs; i++) {
880 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
881 info[stripe].count++;
884 /* alloc and initialize lov request */
886 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
887 struct lov_oinfo *loi = NULL;
888 struct lov_request *req;
890 if (info[i].count == 0)
893 loi = oinfo->oi_md->lsm_oinfo[i];
894 if (!lov->lov_tgts[loi->loi_ost_idx] ||
895 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
896 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
897 GOTO(out, rc = -EIO);
900 OBD_ALLOC(req, sizeof(*req));
902 GOTO(out, rc = -ENOMEM);
904 OBDO_ALLOC(req->rq_oi.oi_oa);
905 if (req->rq_oi.oi_oa == NULL) {
906 OBD_FREE(req, sizeof(*req));
907 GOTO(out, rc = -ENOMEM);
911 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
912 sizeof(*req->rq_oi.oi_oa));
914 req->rq_oi.oi_oa->o_id = loi->loi_id;
915 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
916 req->rq_oi.oi_oa->o_stripe_idx = i;
918 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
919 OBD_ALLOC_LARGE(req->rq_oi.oi_md, req->rq_buflen);
920 if (req->rq_oi.oi_md == NULL) {
921 OBDO_FREE(req->rq_oi.oi_oa);
922 OBD_FREE(req, sizeof(*req));
923 GOTO(out, rc = -ENOMEM);
926 req->rq_idx = loi->loi_ost_idx;
929 /* XXX LOV STACKING */
930 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
931 req->rq_oi.oi_md->lsm_object_seq = loi->loi_seq;
932 req->rq_oabufs = info[i].count;
933 req->rq_pgaidx = shift;
934 shift += req->rq_oabufs;
936 /* remember the index for sort brw_page array */
937 info[i].index = req->rq_pgaidx;
939 req->rq_oi.oi_capa = oinfo->oi_capa;
941 lov_set_add_req(req, set);
944 GOTO(out, rc = -EIO);
946 /* rotate & sort the brw_page array */
947 for (i = 0; i < oa_bufs; i++) {
948 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
950 shift = info[stripe].index + info[stripe].off;
951 LASSERT(shift < oa_bufs);
952 set->set_pga[shift] = pga[i];
953 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
954 &set->set_pga[shift].off);
960 sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
965 lov_fini_brw_set(set);
970 int lov_fini_getattr_set(struct lov_request_set *set)
977 LASSERT(set->set_exp);
978 if (cfs_atomic_read(&set->set_completes))
979 rc = common_attr_done(set);
986 /* The callback for osc_getattr_async that finilizes a request info when a
987 * response is received. */
988 static int cb_getattr_update(void *cookie, int rc)
990 struct obd_info *oinfo = cookie;
991 struct lov_request *lovreq;
992 lovreq = container_of(oinfo, struct lov_request, rq_oi);
993 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
996 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
997 struct lov_request_set **reqset)
999 struct lov_request_set *set;
1000 struct lov_obd *lov = &exp->exp_obd->u.lov;
1004 OBD_ALLOC(set, sizeof(*set));
1010 set->set_oi = oinfo;
1012 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1013 struct lov_oinfo *loi;
1014 struct lov_request *req;
1016 loi = oinfo->oi_md->lsm_oinfo[i];
1017 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1018 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1019 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1020 if (oinfo->oi_oa->o_valid & OBD_MD_FLEPOCH)
1021 /* SOM requires all the OSTs to be active. */
1022 GOTO(out_set, rc = -EIO);
1026 OBD_ALLOC(req, sizeof(*req));
1028 GOTO(out_set, rc = -ENOMEM);
1031 req->rq_idx = loi->loi_ost_idx;
1033 OBDO_ALLOC(req->rq_oi.oi_oa);
1034 if (req->rq_oi.oi_oa == NULL) {
1035 OBD_FREE(req, sizeof(*req));
1036 GOTO(out_set, rc = -ENOMEM);
1038 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1039 sizeof(*req->rq_oi.oi_oa));
1040 req->rq_oi.oi_oa->o_id = loi->loi_id;
1041 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
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 (cfs_atomic_read(&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 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
1121 lov_set_add_req(req, set);
1123 if (!set->set_count)
1124 GOTO(out_set, rc = -EIO);
1128 lov_fini_destroy_set(set);
1132 int lov_fini_setattr_set(struct lov_request_set *set)
1139 LASSERT(set->set_exp);
1140 if (cfs_atomic_read(&set->set_completes)) {
1141 rc = common_attr_done(set);
1142 /* FIXME update qos data here */
1145 lov_put_reqset(set);
1149 int lov_update_setattr_set(struct lov_request_set *set,
1150 struct lov_request *req, int rc)
1152 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1153 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1156 lov_update_set(set, req, rc);
1158 /* grace error on inactive ost */
1159 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1160 lov->lov_tgts[req->rq_idx]->ltd_active))
1164 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1165 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1166 req->rq_oi.oi_oa->o_ctime;
1167 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1168 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1169 req->rq_oi.oi_oa->o_mtime;
1170 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1171 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1172 req->rq_oi.oi_oa->o_atime;
1178 /* The callback for osc_setattr_async that finilizes a request info when a
1179 * response is received. */
1180 static int cb_setattr_update(void *cookie, int rc)
1182 struct obd_info *oinfo = cookie;
1183 struct lov_request *lovreq;
1184 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1185 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1188 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1189 struct obd_trans_info *oti,
1190 struct lov_request_set **reqset)
1192 struct lov_request_set *set;
1193 struct lov_obd *lov = &exp->exp_obd->u.lov;
1197 OBD_ALLOC(set, sizeof(*set));
1204 set->set_oi = oinfo;
1205 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1206 set->set_cookies = oti->oti_logcookies;
1208 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1209 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1210 struct lov_request *req;
1212 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1213 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1214 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1218 OBD_ALLOC(req, sizeof(*req));
1220 GOTO(out_set, rc = -ENOMEM);
1222 req->rq_idx = loi->loi_ost_idx;
1224 OBDO_ALLOC(req->rq_oi.oi_oa);
1225 if (req->rq_oi.oi_oa == NULL) {
1226 OBD_FREE(req, sizeof(*req));
1227 GOTO(out_set, rc = -ENOMEM);
1229 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1230 sizeof(*req->rq_oi.oi_oa));
1231 req->rq_oi.oi_oa->o_id = loi->loi_id;
1232 req->rq_oi.oi_oa->o_seq= loi->loi_seq;
1233 req->rq_oi.oi_oa->o_stripe_idx = i;
1234 req->rq_oi.oi_cb_up = cb_setattr_update;
1235 req->rq_oi.oi_capa = oinfo->oi_capa;
1237 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1238 int off = lov_stripe_offset(oinfo->oi_md,
1239 oinfo->oi_oa->o_size, i,
1240 &req->rq_oi.oi_oa->o_size);
1242 if (off < 0 && req->rq_oi.oi_oa->o_size)
1243 req->rq_oi.oi_oa->o_size--;
1245 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1246 i, req->rq_oi.oi_oa->o_size,
1247 oinfo->oi_oa->o_size);
1249 lov_set_add_req(req, set);
1251 if (!set->set_count)
1252 GOTO(out_set, rc = -EIO);
1256 lov_fini_setattr_set(set);
1260 int lov_fini_punch_set(struct lov_request_set *set)
1267 LASSERT(set->set_exp);
1268 if (cfs_atomic_read(&set->set_completes)) {
1270 /* FIXME update qos data here */
1271 if (cfs_atomic_read(&set->set_success))
1272 rc = common_attr_done(set);
1275 lov_put_reqset(set);
1280 int lov_update_punch_set(struct lov_request_set *set,
1281 struct lov_request *req, int rc)
1283 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1284 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1287 lov_update_set(set, req, rc);
1289 /* grace error on inactive ost */
1290 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1294 lov_stripe_lock(lsm);
1295 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1296 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1297 req->rq_oi.oi_oa->o_blocks;
1300 /* Do we need to update lvb_size here? It needn't because
1301 * it have been done in ll_truncate(). -jay */
1302 lov_stripe_unlock(lsm);
1308 /* The callback for osc_punch that finilizes a request info when a response
1310 static int cb_update_punch(void *cookie, int rc)
1312 struct obd_info *oinfo = cookie;
1313 struct lov_request *lovreq;
1314 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1315 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1318 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1319 struct obd_trans_info *oti,
1320 struct lov_request_set **reqset)
1322 struct lov_request_set *set;
1323 struct lov_obd *lov = &exp->exp_obd->u.lov;
1327 OBD_ALLOC(set, sizeof(*set));
1332 set->set_oi = oinfo;
1335 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1336 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1337 struct lov_request *req;
1340 if (!lov_stripe_intersects(oinfo->oi_md, i,
1341 oinfo->oi_policy.l_extent.start,
1342 oinfo->oi_policy.l_extent.end,
1346 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1347 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1348 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1349 GOTO(out_set, rc = -EIO);
1352 OBD_ALLOC(req, sizeof(*req));
1354 GOTO(out_set, rc = -ENOMEM);
1356 req->rq_idx = loi->loi_ost_idx;
1358 OBDO_ALLOC(req->rq_oi.oi_oa);
1359 if (req->rq_oi.oi_oa == NULL) {
1360 OBD_FREE(req, sizeof(*req));
1361 GOTO(out_set, rc = -ENOMEM);
1363 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1364 sizeof(*req->rq_oi.oi_oa));
1365 req->rq_oi.oi_oa->o_id = loi->loi_id;
1366 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
1367 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1369 req->rq_oi.oi_oa->o_stripe_idx = i;
1370 req->rq_oi.oi_cb_up = cb_update_punch;
1372 req->rq_oi.oi_policy.l_extent.start = rs;
1373 req->rq_oi.oi_policy.l_extent.end = re;
1374 req->rq_oi.oi_policy.l_extent.gid = -1;
1376 req->rq_oi.oi_capa = oinfo->oi_capa;
1378 lov_set_add_req(req, set);
1380 if (!set->set_count)
1381 GOTO(out_set, rc = -EIO);
1385 lov_fini_punch_set(set);
1389 int lov_fini_sync_set(struct lov_request_set *set)
1396 LASSERT(set->set_exp);
1397 if (cfs_atomic_read(&set->set_completes)) {
1398 if (!cfs_atomic_read(&set->set_success))
1400 /* FIXME update qos data here */
1403 lov_put_reqset(set);
1408 /* The callback for osc_sync that finilizes a request info when a
1409 * response is recieved. */
1410 static int cb_sync_update(void *cookie, int rc)
1412 struct obd_info *oinfo = cookie;
1413 struct lov_request *lovreq;
1415 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1416 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
1419 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1420 obd_off start, obd_off end,
1421 struct lov_request_set **reqset)
1423 struct lov_request_set *set;
1424 struct lov_obd *lov = &exp->exp_obd->u.lov;
1434 set->set_oi = oinfo;
1436 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1437 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1438 struct lov_request *req;
1441 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1442 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1443 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1447 if (!lov_stripe_intersects(oinfo->oi_md, i, start, end, &rs,
1453 GOTO(out_set, rc = -ENOMEM);
1455 req->rq_idx = loi->loi_ost_idx;
1457 OBDO_ALLOC(req->rq_oi.oi_oa);
1458 if (req->rq_oi.oi_oa == NULL) {
1459 OBD_FREE(req, sizeof(*req));
1460 GOTO(out_set, rc = -ENOMEM);
1462 *req->rq_oi.oi_oa = *oinfo->oi_oa;
1463 req->rq_oi.oi_oa->o_id = loi->loi_id;
1464 req->rq_oi.oi_oa->o_seq = loi->loi_seq;
1465 req->rq_oi.oi_oa->o_stripe_idx = i;
1467 req->rq_oi.oi_policy.l_extent.start = rs;
1468 req->rq_oi.oi_policy.l_extent.end = re;
1469 req->rq_oi.oi_policy.l_extent.gid = -1;
1470 req->rq_oi.oi_cb_up = cb_sync_update;
1472 lov_set_add_req(req, set);
1474 if (!set->set_count)
1475 GOTO(out_set, rc = -EIO);
1479 lov_fini_sync_set(set);
1483 #define LOV_U64_MAX ((__u64)~0ULL)
1484 #define LOV_SUM_MAX(tot, add) \
1486 if ((tot) + (add) < (tot)) \
1487 (tot) = LOV_U64_MAX; \
1492 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1497 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov,
1499 if (osfs->os_files != LOV_U64_MAX)
1500 do_div(osfs->os_files, expected_stripes);
1501 if (osfs->os_ffree != LOV_U64_MAX)
1502 do_div(osfs->os_ffree, expected_stripes);
1504 cfs_spin_lock(&obd->obd_osfs_lock);
1505 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1506 obd->obd_osfs_age = cfs_time_current_64();
1507 cfs_spin_unlock(&obd->obd_osfs_lock);
1514 int lov_fini_statfs_set(struct lov_request_set *set)
1522 if (cfs_atomic_read(&set->set_completes)) {
1523 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1524 cfs_atomic_read(&set->set_success));
1526 lov_put_reqset(set);
1530 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1533 int shift = 0, quit = 0;
1537 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1539 if (osfs->os_bsize != lov_sfs->os_bsize) {
1540 /* assume all block sizes are always powers of 2 */
1541 /* get the bits difference */
1542 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1543 for (shift = 0; shift <= 64; ++shift) {
1555 if (osfs->os_bsize < lov_sfs->os_bsize) {
1556 osfs->os_bsize = lov_sfs->os_bsize;
1558 osfs->os_bfree >>= shift;
1559 osfs->os_bavail >>= shift;
1560 osfs->os_blocks >>= shift;
1561 } else if (shift != 0) {
1562 lov_sfs->os_bfree >>= shift;
1563 lov_sfs->os_bavail >>= shift;
1564 lov_sfs->os_blocks >>= shift;
1567 /* Sandia requested that df (and so, statfs) only
1568 returned minimal available space on
1569 a single OST, so people would be able to
1570 write this much data guaranteed. */
1571 if (osfs->os_bavail > lov_sfs->os_bavail) {
1572 /* Presumably if new bavail is smaller,
1573 new bfree is bigger as well */
1574 osfs->os_bfree = lov_sfs->os_bfree;
1575 osfs->os_bavail = lov_sfs->os_bavail;
1578 osfs->os_bfree += lov_sfs->os_bfree;
1579 osfs->os_bavail += lov_sfs->os_bavail;
1581 osfs->os_blocks += lov_sfs->os_blocks;
1582 /* XXX not sure about this one - depends on policy.
1583 * - could be minimum if we always stripe on all OBDs
1584 * (but that would be wrong for any other policy,
1585 * if one of the OBDs has no more objects left)
1586 * - could be sum if we stripe whole objects
1587 * - could be average, just to give a nice number
1589 * To give a "reasonable" (if not wholly accurate)
1590 * number, we divide the total number of free objects
1591 * by expected stripe count (watch out for overflow).
1593 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1594 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1598 /* The callback for osc_statfs_async that finilizes a request info when a
1599 * response is received. */
1600 static int cb_statfs_update(void *cookie, int rc)
1602 struct obd_info *oinfo = cookie;
1603 struct lov_request *lovreq;
1604 struct lov_request_set *set;
1605 struct obd_statfs *osfs, *lov_sfs;
1606 struct lov_obd *lov;
1607 struct lov_tgt_desc *tgt;
1608 struct obd_device *lovobd, *tgtobd;
1612 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1613 set = lovreq->rq_rqset;
1614 lovobd = set->set_obd;
1615 lov = &lovobd->u.lov;
1616 osfs = set->set_oi->oi_osfs;
1617 lov_sfs = oinfo->oi_osfs;
1618 success = cfs_atomic_read(&set->set_success);
1619 /* XXX: the same is done in lov_update_common_set, however
1620 lovset->set_exp is not initialized. */
1621 lov_update_set(set, lovreq, rc);
1626 tgt = lov->lov_tgts[lovreq->rq_idx];
1627 if (!tgt || !tgt->ltd_active)
1628 GOTO(out_update, rc);
1630 tgtobd = class_exp2obd(tgt->ltd_exp);
1631 cfs_spin_lock(&tgtobd->obd_osfs_lock);
1632 memcpy(&tgtobd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1633 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1634 tgtobd->obd_osfs_age = cfs_time_current_64();
1635 cfs_spin_unlock(&tgtobd->obd_osfs_lock);
1638 lov_update_statfs(osfs, lov_sfs, success);
1643 if (set->set_oi->oi_flags & OBD_STATFS_PTLRPCD &&
1644 lov_finished_set(set)) {
1645 lov_statfs_interpret(NULL, set, set->set_count !=
1646 cfs_atomic_read(&set->set_success));
1647 if (lov->lov_qos.lq_statfs_in_progress)
1648 qos_statfs_done(lov);
1654 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1655 struct lov_request_set **reqset)
1657 struct lov_request_set *set;
1658 struct lov_obd *lov = &obd->u.lov;
1662 OBD_ALLOC(set, sizeof(*set));
1668 set->set_oi = oinfo;
1670 /* We only get block data from the OBD */
1671 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1672 struct lov_request *req;
1674 if (!lov->lov_tgts[i] || (!lov->lov_tgts[i]->ltd_active
1675 && (oinfo->oi_flags & OBD_STATFS_NODELAY))) {
1676 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1680 /* skip targets that have been explicitely disabled by the
1682 if (!lov->lov_tgts[i]->ltd_exp) {
1683 CDEBUG(D_HA, "lov idx %d administratively disabled\n", i);
1687 OBD_ALLOC(req, sizeof(*req));
1689 GOTO(out_set, rc = -ENOMEM);
1691 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1692 if (req->rq_oi.oi_osfs == NULL) {
1693 OBD_FREE(req, sizeof(*req));
1694 GOTO(out_set, rc = -ENOMEM);
1698 req->rq_oi.oi_cb_up = cb_statfs_update;
1699 req->rq_oi.oi_flags = oinfo->oi_flags;
1701 lov_set_add_req(req, set);
1703 if (!set->set_count)
1704 GOTO(out_set, rc = -EIO);
1708 lov_fini_statfs_set(set);