4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ofd/ofd_obd.c
38 * Author: Andreas Dilger <adilger@whamcloud.com>
39 * Author: Alex Zhuravlev <bzzz@whamcloud.com>
40 * Author: Mike Pershin <tappro@whamcloud.com>
43 #define DEBUG_SUBSYSTEM S_FILTER
45 #include "ofd_internal.h"
46 #include <obd_cksum.h>
47 #include <lustre_quota.h>
49 static int ofd_export_stats_init(struct ofd_device *ofd,
50 struct obd_export *exp, void *client_nid)
52 struct obd_device *obd = ofd_obd(ofd);
53 struct nid_stat *stats;
59 if (obd_uuid_equals(&exp->exp_client_uuid, &obd->obd_uuid))
60 /* Self-export gets no proc entry */
63 rc = lprocfs_exp_setup(exp, client_nid, &newnid);
65 /* Mask error for already created
75 stats = exp->exp_nid_stats;
76 LASSERT(stats != NULL);
78 num_stats = (sizeof(*obd->obd_type->typ_dt_ops) / sizeof(void *)) +
81 stats->nid_stats = lprocfs_alloc_stats(num_stats,
82 LPROCFS_STATS_FLAG_NOPERCPU);
83 if (stats->nid_stats == NULL)
86 lprocfs_init_ops_stats(LPROC_OFD_LAST, stats->nid_stats);
87 lprocfs_counter_init(stats->nid_stats, LPROC_OFD_READ_BYTES,
88 LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
89 lprocfs_counter_init(stats->nid_stats, LPROC_OFD_WRITE_BYTES,
90 LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes");
92 rc = lprocfs_register_stats(stats->nid_proc, "stats",
97 rc = lprocfs_nid_ldlm_stats_init(stats);
99 lprocfs_free_stats(&stats->nid_stats);
108 static int ofd_parse_connect_data(const struct lu_env *env,
109 struct obd_export *exp,
110 struct obd_connect_data *data)
112 struct ofd_device *ofd = ofd_exp(exp);
113 struct filter_export_data *fed = &exp->exp_filter_data;
118 CDEBUG(D_RPCTRACE, "%s: cli %s/%p ocd_connect_flags: "LPX64
119 " ocd_version: %x ocd_grant: %d ocd_index: %u"
121 exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
122 data->ocd_connect_flags, data->ocd_version,
123 data->ocd_grant, data->ocd_index, data->ocd_group);
125 if (fed->fed_group != 0 && fed->fed_group != data->ocd_group) {
126 CWARN("!!! This export (nid %s) used object group %d "
127 "earlier; now it's trying to use group %d! This could "
128 "be a bug in the MDS. Please report to "
129 "http://bugs.whamcloud.com/\n",
130 obd_export_nid2str(exp), fed->fed_group,
134 fed->fed_group = data->ocd_group;
136 data->ocd_connect_flags &= OST_CONNECT_SUPPORTED;
137 exp->exp_connect_data = *data;
138 data->ocd_version = LUSTRE_VERSION_CODE;
140 /* Kindly make sure the SKIP_ORPHAN flag is from MDS. */
141 if (data->ocd_connect_flags & OBD_CONNECT_MDS)
142 CDEBUG(D_HA, "%s: Received MDS connection for group %u\n",
143 exp->exp_obd->obd_name, data->ocd_group);
144 else if (data->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN)
147 if (ofd_grant_param_supp(exp)) {
148 exp->exp_filter_data.fed_pagesize = data->ocd_blocksize;
149 /* ocd_{blocksize,inodespace} are log2 values */
150 data->ocd_blocksize = ofd->ofd_blockbits;
151 data->ocd_inodespace = ofd->ofd_dt_conf.ddp_inodespace;
152 /* ocd_grant_extent is in 1K blocks */
153 data->ocd_grant_extent = ofd->ofd_dt_conf.ddp_grant_frag >> 10;
156 if (exp_connect_flags(exp) & OBD_CONNECT_GRANT)
157 data->ocd_grant = ofd_grant_connect(env, exp, data->ocd_grant);
159 if (data->ocd_connect_flags & OBD_CONNECT_INDEX) {
160 struct lr_server_data *lsd = &ofd->ofd_lut.lut_lsd;
161 int index = lsd->lsd_osd_index;
163 if (index != data->ocd_index) {
164 LCONSOLE_ERROR_MSG(0x136, "Connection from %s to index"
165 " %u doesn't match actual OST index"
166 " %u in last_rcvd file, bad "
168 obd_export_nid2str(exp), index,
172 if (!(lsd->lsd_feature_compat & OBD_COMPAT_OST)) {
173 /* this will only happen on the first connect */
174 lsd->lsd_feature_compat |= OBD_COMPAT_OST;
175 /* sync is not needed here as lut_client_add will
176 * set exp_need_sync flag */
177 tgt_server_data_update(env, &ofd->ofd_lut, 0);
180 if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_SIZE)) {
181 data->ocd_brw_size = 65536;
182 } else if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
183 data->ocd_brw_size = min(data->ocd_brw_size,
184 (__u32)DT_MAX_BRW_SIZE);
185 if (data->ocd_brw_size == 0) {
186 CERROR("%s: cli %s/%p ocd_connect_flags: "LPX64
187 " ocd_version: %x ocd_grant: %d ocd_index: %u "
188 "ocd_brw_size is unexpectedly zero, "
189 "network data corruption?"
190 "Refusing connection of this client\n",
191 exp->exp_obd->obd_name,
192 exp->exp_client_uuid.uuid,
193 exp, data->ocd_connect_flags, data->ocd_version,
194 data->ocd_grant, data->ocd_index);
199 if (data->ocd_connect_flags & OBD_CONNECT_CKSUM) {
200 __u32 cksum_types = data->ocd_cksum_types;
202 /* The client set in ocd_cksum_types the checksum types it
203 * supports. We have to mask off the algorithms that we don't
205 data->ocd_cksum_types &= cksum_types_supported_server();
207 if (unlikely(data->ocd_cksum_types == 0)) {
208 CERROR("%s: Connect with checksum support but no "
209 "ocd_cksum_types is set\n",
210 exp->exp_obd->obd_name);
214 CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return "
215 "%x\n", exp->exp_obd->obd_name, obd_export_nid2str(exp),
216 cksum_types, data->ocd_cksum_types);
218 /* This client does not support OBD_CONNECT_CKSUM
219 * fall back to CRC32 */
220 CDEBUG(D_RPCTRACE, "%s: cli %s does not support "
221 "OBD_CONNECT_CKSUM, CRC32 will be used\n",
222 exp->exp_obd->obd_name, obd_export_nid2str(exp));
225 if (data->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
226 data->ocd_maxbytes = ofd->ofd_dt_conf.ddp_maxbytes;
228 if (data->ocd_connect_flags & OBD_CONNECT_PINGLESS) {
229 if (suppress_pings) {
230 spin_lock(&exp->exp_obd->obd_dev_lock);
231 list_del_init(&exp->exp_obd_chain_timed);
232 spin_unlock(&exp->exp_obd->obd_dev_lock);
234 data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS;
241 static int ofd_obd_reconnect(const struct lu_env *env, struct obd_export *exp,
242 struct obd_device *obd, struct obd_uuid *cluuid,
243 struct obd_connect_data *data, void *localdata)
245 struct ofd_device *ofd;
250 if (exp == NULL || obd == NULL || cluuid == NULL)
253 ofd = ofd_dev(obd->obd_lu_dev);
255 rc = lu_env_refill((struct lu_env *)env);
257 CERROR("Failure to refill session: '%d'\n", rc);
261 ofd_info_init(env, exp);
262 rc = ofd_parse_connect_data(env, exp, data);
264 ofd_export_stats_init(ofd, exp, localdata);
269 static int ofd_obd_connect(const struct lu_env *env, struct obd_export **_exp,
270 struct obd_device *obd, struct obd_uuid *cluuid,
271 struct obd_connect_data *data, void *localdata)
273 struct obd_export *exp;
274 struct ofd_device *ofd;
275 struct lustre_handle conn = { 0 };
279 if (_exp == NULL || obd == NULL || cluuid == NULL)
282 ofd = ofd_dev(obd->obd_lu_dev);
284 rc = class_connect(&conn, obd, cluuid);
288 exp = class_conn2export(&conn);
289 LASSERT(exp != NULL);
291 rc = lu_env_refill((struct lu_env *)env);
293 CERROR("Failure to refill session: '%d'\n", rc);
297 ofd_info_init(env, exp);
299 rc = ofd_parse_connect_data(env, exp, data);
303 if (obd->obd_replayable) {
304 struct tg_export_data *ted = &exp->exp_target_data;
306 memcpy(ted->ted_lcd->lcd_uuid, cluuid,
307 sizeof(ted->ted_lcd->lcd_uuid));
308 rc = tgt_client_new(env, exp);
311 ofd_export_stats_init(ofd, exp, localdata);
314 CDEBUG(D_HA, "%s: get connection from MDS %d\n", obd->obd_name,
319 class_disconnect(exp);
327 static int ofd_obd_disconnect(struct obd_export *exp)
329 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
336 class_export_get(exp);
338 if (!(exp->exp_flags & OBD_OPT_FORCE))
339 ofd_grant_sanity_check(ofd_obd(ofd), __FUNCTION__);
341 rc = server_disconnect_export(exp);
343 ofd_grant_discard(exp);
345 rc = lu_env_init(&env, LCT_DT_THREAD);
349 /* Do not erase record for recoverable client. */
350 if (exp->exp_obd->obd_replayable &&
351 (!exp->exp_obd->obd_fail || exp->exp_failed))
352 tgt_client_del(&env, exp);
355 class_export_put(exp);
359 static int ofd_init_export(struct obd_export *exp)
363 spin_lock_init(&exp->exp_filter_data.fed_lock);
364 CFS_INIT_LIST_HEAD(&exp->exp_filter_data.fed_mod_list);
365 spin_lock(&exp->exp_lock);
366 exp->exp_connecting = 1;
367 spin_unlock(&exp->exp_lock);
369 /* self-export doesn't need client data and ldlm initialization */
370 if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
371 &exp->exp_client_uuid)))
374 rc = tgt_client_alloc(exp);
376 ldlm_init_export(exp);
378 CERROR("%s: Can't initialize export: rc %d\n",
379 exp->exp_obd->obd_name, rc);
383 static int ofd_destroy_export(struct obd_export *exp)
385 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
387 if (exp->exp_filter_data.fed_pending)
388 CERROR("%s: cli %s/%p has %lu pending on destroyed export"
389 "\n", exp->exp_obd->obd_name, exp->exp_client_uuid.uuid,
390 exp, exp->exp_filter_data.fed_pending);
392 target_destroy_export(exp);
394 if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
395 &exp->exp_client_uuid)))
398 ldlm_destroy_export(exp);
399 tgt_client_free(exp);
401 ofd_fmd_cleanup(exp);
404 * discard grants once we're sure no more
405 * interaction with the client is possible
407 ofd_grant_discard(exp);
408 ofd_fmd_cleanup(exp);
410 if (exp_connect_flags(exp) & OBD_CONNECT_GRANT_SHRINK) {
411 if (ofd->ofd_tot_granted_clients > 0)
412 ofd->ofd_tot_granted_clients --;
415 if (!(exp->exp_flags & OBD_OPT_FORCE))
416 ofd_grant_sanity_check(exp->exp_obd, __FUNCTION__);
418 LASSERT(cfs_list_empty(&exp->exp_filter_data.fed_mod_list));
422 int ofd_postrecov(const struct lu_env *env, struct ofd_device *ofd)
424 struct lu_device *ldev = &ofd->ofd_dt_dev.dd_lu_dev;
426 CDEBUG(D_HA, "%s: recovery is over\n", ofd_obd(ofd)->obd_name);
427 return ldev->ld_ops->ldo_recovery_complete(env, ldev);
430 int ofd_obd_postrecov(struct obd_device *obd)
433 struct lu_device *ldev = obd->obd_lu_dev;
438 rc = lu_env_init(&env, LCT_DT_THREAD);
441 ofd_info_init(&env, obd->obd_self_export);
443 rc = ofd_postrecov(&env, ofd_dev(ldev));
449 static int ofd_adapt_sptlrpc_conf(const struct lu_env *env,
450 struct obd_device *obd, int initial)
452 struct filter_obd *fo = &obd->u.filter;
453 struct sptlrpc_rule_set tmp_rset;
456 sptlrpc_rule_set_init(&tmp_rset);
457 rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial);
459 CERROR("%s: failed get sptlrpc rules: rc = %d\n",
464 sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
466 write_lock(&fo->fo_sptlrpc_lock);
467 sptlrpc_rule_set_free(&fo->fo_sptlrpc_rset);
468 fo->fo_sptlrpc_rset = tmp_rset;
469 write_unlock(&fo->fo_sptlrpc_lock);
474 static int ofd_set_mds_conn(struct obd_export *exp, void *val)
480 LCONSOLE_WARN("%s: received MDS connection from %s\n",
481 exp->exp_obd->obd_name, obd_export_nid2str(exp));
485 static int ofd_set_info_async(const struct lu_env *env, struct obd_export *exp,
486 __u32 keylen, void *key, __u32 vallen, void *val,
487 struct ptlrpc_request_set *set)
489 struct ofd_device *ofd;
494 if (exp->exp_obd == NULL) {
495 CDEBUG(D_IOCTL, "invalid export %p\n", exp);
501 if (KEY_IS(KEY_CAPA_KEY)) {
502 rc = ofd_update_capa_key(ofd, val);
504 CERROR("%s: update capability key failed: rc = %d\n",
505 exp->exp_obd->obd_name, rc);
506 } else if (KEY_IS(KEY_SPTLRPC_CONF)) {
507 ofd_adapt_sptlrpc_conf(env, exp->exp_obd, 0);
508 } else if (KEY_IS(KEY_MDS_CONN)) {
509 rc = ofd_set_mds_conn(exp, val);
510 } else if (KEY_IS(KEY_GRANT_SHRINK)) {
511 struct ost_body *body = val;
513 ofd_info_init(env, exp);
514 /** handle grant shrink, similar to a read request */
515 ofd_grant_prepare_read(env, exp, &body->oa);
517 CERROR("%s: Unsupported key %s\n",
518 exp->exp_obd->obd_name, (char*)key);
525 static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
526 __u32 keylen, void *key, __u32 *vallen, void *val,
527 struct lov_stripe_md *lsm)
529 struct ofd_device *ofd;
534 if (exp->exp_obd == NULL) {
535 CDEBUG(D_IOCTL, "invalid client export %p\n", exp);
541 if (KEY_IS(KEY_BLOCKSIZE)) {
542 __u32 *blocksize = val;
544 if (*vallen < sizeof(*blocksize))
546 *blocksize = 1 << ofd->ofd_dt_conf.ddp_block_shift;
548 *vallen = sizeof(*blocksize);
549 } else if (KEY_IS(KEY_BLOCKSIZE_BITS)) {
550 __u32 *blocksize_bits = val;
551 if (blocksize_bits) {
552 if (*vallen < sizeof(*blocksize_bits))
554 *blocksize_bits = ofd->ofd_dt_conf.ddp_block_shift;
556 *vallen = sizeof(*blocksize_bits);
557 } else if (KEY_IS(KEY_LAST_ID)) {
558 obd_id *last_id = val;
559 struct ofd_seq *oseq;
562 *vallen = sizeof(obd_id);
565 ofd_info_init(env, exp);
566 oseq = ofd_seq_load(env, ofd,
567 (obd_seq)exp->exp_filter_data.fed_group);
568 LASSERT(!IS_ERR(oseq));
570 if (*vallen < sizeof(*last_id)) {
571 ofd_seq_put(env, oseq);
574 *last_id = ofd_seq_last_oid(oseq);
576 ofd_seq_put(env, oseq);
577 *vallen = sizeof(*last_id);
578 } else if (KEY_IS(KEY_FIEMAP)) {
579 struct ofd_thread_info *info;
580 struct ofd_device *ofd = ofd_exp(exp);
581 struct ofd_object *fo;
582 struct ll_fiemap_info_key *fm_key = key;
585 *vallen = fiemap_count_to_size(
586 fm_key->fiemap.fm_extent_count);
590 info = ofd_info_init(env, exp);
592 fid_ostid_unpack(&info->fti_fid, &fm_key->oa.o_oi, 0);
594 CDEBUG(D_INODE, "get FIEMAP of object "DFID"\n",
595 PFID(&info->fti_fid));
597 fo = ofd_object_find(env, ofd, &info->fti_fid);
599 CERROR("%s: error finding object "DFID"\n",
600 exp->exp_obd->obd_name, PFID(&info->fti_fid));
603 struct ll_user_fiemap *fiemap = val;
605 ofd_read_lock(env, fo);
606 if (ofd_object_exists(fo)) {
607 *fiemap = fm_key->fiemap;
608 rc = dt_fiemap_get(env,
609 ofd_object_child(fo),
614 ofd_read_unlock(env, fo);
615 ofd_object_put(env, fo);
617 } else if (KEY_IS(KEY_SYNC_LOCK_CANCEL)) {
618 *((__u32 *) val) = ofd->ofd_sync_lock_cancel;
619 *vallen = sizeof(__u32);
620 } else if (KEY_IS(KEY_LAST_FID)) {
622 struct ofd_device *ofd = ofd_exp(exp);
623 struct ofd_seq *oseq;
624 struct ost_id *oid = val;
628 *vallen = sizeof(struct ost_id);
632 if (*vallen < sizeof(*oid))
635 rc = lu_env_init(&env, LCT_DT_THREAD);
638 ofd_info_init(&env, exp);
640 ostid_le_to_cpu(oid, oid);
641 CDEBUG(D_HA, "Get LAST FID for seq "LPX64"\n", oid->oi_seq);
643 oseq = ofd_seq_load(&env, ofd, oid->oi_seq);
645 GOTO(out_fini, rc = PTR_ERR(oseq));
647 CDEBUG(D_HA, "LAST FID is "POSTID"\n", oseq->os_last_oid,
651 *vallen = sizeof(*oid);
652 ofd_seq_put(&env, oseq);
656 CERROR("Not supported key %s\n", (char*)key);
663 /** helper function for statfs, also used by grant code */
664 int ofd_statfs_internal(const struct lu_env *env, struct ofd_device *ofd,
665 struct obd_statfs *osfs, __u64 max_age, int *from_cache)
669 spin_lock(&ofd->ofd_osfs_lock);
670 if (cfs_time_before_64(ofd->ofd_osfs_age, max_age) || max_age == 0) {
673 /* statfs data are too old, get up-to-date one.
674 * we must be cautious here since multiple threads might be
675 * willing to update statfs data concurrently and we must
676 * grant that cached statfs data are always consistent */
678 if (ofd->ofd_statfs_inflight == 0)
679 /* clear inflight counter if no users, although it would
680 * take a while to overflow this 64-bit counter ... */
681 ofd->ofd_osfs_inflight = 0;
682 /* notify ofd_grant_commit() that we want to track writes
683 * completed as of now */
684 ofd->ofd_statfs_inflight++;
685 /* record value of inflight counter before running statfs to
686 * compute the diff once statfs is completed */
687 unstable = ofd->ofd_osfs_inflight;
688 spin_unlock(&ofd->ofd_osfs_lock);
690 /* statfs can sleep ... hopefully not for too long since we can
691 * call it fairly often as space fills up */
692 rc = dt_statfs(env, ofd->ofd_osd, osfs);
696 spin_lock(&ofd->ofd_grant_lock);
697 spin_lock(&ofd->ofd_osfs_lock);
698 /* calculate how much space was written while we released the
700 unstable = ofd->ofd_osfs_inflight - unstable;
701 ofd->ofd_osfs_unstable = 0;
703 /* some writes completed while we were running statfs
704 * w/o the ofd_osfs_lock. Those ones got added to
705 * the cached statfs data that we are about to crunch.
706 * Take them into account in the new statfs data */
707 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
708 unstable >> ofd->ofd_blockbits);
709 /* However, we don't really know if those writes got
710 * accounted in the statfs call, so tell
711 * ofd_grant_space_left() there is some uncertainty
712 * on the accounting of those writes.
713 * The purpose is to prevent spurious error messages in
714 * ofd_grant_space_left() since those writes might be
715 * accounted twice. */
716 ofd->ofd_osfs_unstable += unstable;
718 /* similarly, there is some uncertainty on write requests
719 * between prepare & commit */
720 ofd->ofd_osfs_unstable += ofd->ofd_tot_pending;
721 spin_unlock(&ofd->ofd_grant_lock);
723 /* finally udpate cached statfs data */
724 ofd->ofd_osfs = *osfs;
725 ofd->ofd_osfs_age = cfs_time_current_64();
727 ofd->ofd_statfs_inflight--; /* stop tracking */
728 if (ofd->ofd_statfs_inflight == 0)
729 ofd->ofd_osfs_inflight = 0;
730 spin_unlock(&ofd->ofd_osfs_lock);
735 /* use cached statfs data */
736 *osfs = ofd->ofd_osfs;
737 spin_unlock(&ofd->ofd_osfs_lock);
744 static int ofd_statfs(const struct lu_env *env, struct obd_export *exp,
745 struct obd_statfs *osfs, __u64 max_age, __u32 flags)
747 struct obd_device *obd = class_exp2obd(exp);
748 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
753 rc = ofd_statfs_internal(env, ofd, osfs, max_age, NULL);
757 /* at least try to account for cached pages. its still racy and
758 * might be under-reporting if clients haven't announced their
759 * caches with brw recently */
761 CDEBUG(D_SUPER | D_CACHE, "blocks cached "LPU64" granted "LPU64
762 " pending "LPU64" free "LPU64" avail "LPU64"\n",
763 ofd->ofd_tot_dirty, ofd->ofd_tot_granted, ofd->ofd_tot_pending,
764 osfs->os_bfree << ofd->ofd_blockbits,
765 osfs->os_bavail << ofd->ofd_blockbits);
767 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
768 ((ofd->ofd_tot_dirty + ofd->ofd_tot_pending +
769 osfs->os_bsize - 1) >> ofd->ofd_blockbits));
771 /* The QoS code on the MDS does not care about space reserved for
772 * precreate, so take it out. */
773 if (exp_connect_flags(exp) & OBD_CONNECT_MDS) {
774 struct filter_export_data *fed;
776 fed = &obd->obd_self_export->exp_filter_data;
777 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
778 fed->fed_grant >> ofd->ofd_blockbits);
781 ofd_grant_sanity_check(obd, __FUNCTION__);
782 CDEBUG(D_CACHE, LPU64" blocks: "LPU64" free, "LPU64" avail; "
783 LPU64" objects: "LPU64" free; state %x\n",
784 osfs->os_blocks, osfs->os_bfree, osfs->os_bavail,
785 osfs->os_files, osfs->os_ffree, osfs->os_state);
787 if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOINO,
788 ofd->ofd_lut.lut_lsd.lsd_osd_index))
791 /* OS_STATE_READONLY can be set by OSD already */
792 if (ofd->ofd_raid_degraded)
793 osfs->os_state |= OS_STATE_DEGRADED;
795 if (obd->obd_self_export != exp && ofd_grant_compat(exp, ofd)) {
796 /* clients which don't support OBD_CONNECT_GRANT_PARAM
797 * should not see a block size > page size, otherwise
798 * cl_lost_grant goes mad. Therefore, we emulate a 4KB (=2^12)
799 * block size which is the biggest block size known to work
800 * with all client's page size. */
801 osfs->os_blocks <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
802 osfs->os_bfree <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
803 osfs->os_bavail <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
804 osfs->os_bsize = 1 << COMPAT_BSIZE_SHIFT;
807 if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOSPC,
808 ofd->ofd_lut.lut_lsd.lsd_osd_index))
809 osfs->os_bfree = osfs->os_bavail = 2;
816 int ofd_setattr(const struct lu_env *env, struct obd_export *exp,
817 struct obd_info *oinfo, struct obd_trans_info *oti)
819 struct ofd_thread_info *info;
820 struct ofd_device *ofd = ofd_exp(exp);
821 struct ldlm_namespace *ns = ofd->ofd_namespace;
822 struct ldlm_resource *res;
823 struct ofd_object *fo;
824 struct obdo *oa = oinfo->oi_oa;
825 struct filter_fid *ff = NULL;
830 info = ofd_info_init(env, exp);
831 ofd_oti2info(info, oti);
833 fid_ostid_unpack(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
834 ofd_build_resid(&info->fti_fid, &info->fti_resid);
836 rc = ofd_auth_capa(exp, &info->fti_fid, oa->o_seq,
837 oinfo_capa(oinfo), CAPA_OPC_META_WRITE);
841 /* This would be very bad - accidentally truncating a file when
842 * changing the time or similar - bug 12203. */
843 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE &&
844 oinfo->oi_policy.l_extent.end != OBD_OBJECT_EOF) {
845 static char mdsinum[48];
847 if (oinfo->oi_oa->o_valid & OBD_MD_FLFID)
848 snprintf(mdsinum, sizeof(mdsinum) - 1,
849 "of parent "DFID, oinfo->oi_oa->o_parent_seq,
850 oinfo->oi_oa->o_parent_oid, 0);
854 CERROR("%s: setattr from %s trying to truncate object "DFID
855 " %s\n", exp->exp_obd->obd_name,
856 obd_export_nid2str(exp), PFID(&info->fti_fid), mdsinum);
857 GOTO(out, rc = -EPERM);
860 fo = ofd_object_find(env, ofd, &info->fti_fid);
862 CERROR("%s: can't find object "DFID"\n",
863 exp->exp_obd->obd_name, PFID(&info->fti_fid));
864 GOTO(out, rc = PTR_ERR(fo));
867 la_from_obdo(&info->fti_attr, oinfo->oi_oa, oinfo->oi_oa->o_valid);
868 info->fti_attr.la_valid &= ~LA_TYPE;
870 if (oa->o_valid & OBD_MD_FLFID) {
871 ff = &info->fti_mds_fid;
872 ofd_prepare_fidea(ff, oa);
875 /* setting objects attributes (including owner/group) */
876 rc = ofd_attr_set(env, fo, &info->fti_attr, ff);
878 GOTO(out_unlock, rc);
880 res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
882 ldlm_res_lvbo_update(res, NULL, 0);
883 ldlm_resource_putref(res);
886 oinfo->oi_oa->o_valid = OBD_MD_FLID;
888 /* Quota release needs uid/gid info */
889 rc = ofd_attr_get(env, fo, &info->fti_attr);
890 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
891 OFD_VALID_FLAGS | LA_UID | LA_GID);
892 ofd_info2oti(info, oti);
894 ofd_counter_incr(exp, LPROC_OFD_STATS_SETATTR, oti->oti_jobid, 1);
897 ofd_object_put(env, fo);
902 static int ofd_punch(const struct lu_env *env, struct obd_export *exp,
903 struct obd_info *oinfo, struct obd_trans_info *oti,
904 struct ptlrpc_request_set *rqset)
906 struct ofd_thread_info *info;
907 struct ofd_device *ofd = ofd_exp(exp);
908 struct ldlm_namespace *ns = ofd->ofd_namespace;
909 struct ldlm_resource *res;
910 struct ofd_object *fo;
911 struct filter_fid *ff = NULL;
916 info = ofd_info_init(env, exp);
917 ofd_oti2info(info, oti);
919 fid_ostid_unpack(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
920 ofd_build_resid(&info->fti_fid, &info->fti_resid);
922 CDEBUG(D_INODE, "calling punch for object "DFID", valid = "LPX64
923 ", start = "LPD64", end = "LPD64"\n", PFID(&info->fti_fid),
924 oinfo->oi_oa->o_valid, oinfo->oi_policy.l_extent.start,
925 oinfo->oi_policy.l_extent.end);
927 rc = ofd_auth_capa(exp, &info->fti_fid, oinfo->oi_oa->o_seq,
928 oinfo_capa(oinfo), CAPA_OPC_OSS_TRUNC);
932 fo = ofd_object_find(env, ofd, &info->fti_fid);
934 CERROR("%s: error finding object "DFID": rc = %ld\n",
935 exp->exp_obd->obd_name, PFID(&info->fti_fid),
937 GOTO(out_env, rc = PTR_ERR(fo));
940 LASSERT(oinfo->oi_policy.l_extent.end == OBD_OBJECT_EOF);
941 if (oinfo->oi_policy.l_extent.end == OBD_OBJECT_EOF) {
943 oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.start;
944 } else if (oinfo->oi_policy.l_extent.end >= oinfo->oi_oa->o_size) {
945 oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.end;
948 la_from_obdo(&info->fti_attr, oinfo->oi_oa,
949 OBD_MD_FLMTIME | OBD_MD_FLATIME | OBD_MD_FLCTIME);
950 info->fti_attr.la_valid &= ~LA_TYPE;
951 info->fti_attr.la_size = oinfo->oi_policy.l_extent.start;
952 info->fti_attr.la_valid |= LA_SIZE;
954 if (oinfo->oi_oa->o_valid & OBD_MD_FLFID) {
955 ff = &info->fti_mds_fid;
956 ofd_prepare_fidea(ff, oinfo->oi_oa);
959 rc = ofd_object_punch(env, fo, oinfo->oi_policy.l_extent.start,
960 oinfo->oi_policy.l_extent.end, &info->fti_attr,
965 res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
967 ldlm_res_lvbo_update(res, NULL, 0);
968 ldlm_resource_putref(res);
971 oinfo->oi_oa->o_valid = OBD_MD_FLID;
972 /* Quota release needs uid/gid info */
973 rc = ofd_attr_get(env, fo, &info->fti_attr);
974 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
975 OFD_VALID_FLAGS | LA_UID | LA_GID);
976 ofd_info2oti(info, oti);
978 ofd_counter_incr(exp, LPROC_OFD_STATS_PUNCH, oti->oti_jobid, 1);
981 ofd_object_put(env, fo);
986 static int ofd_destroy_by_fid(const struct lu_env *env,
987 struct ofd_device *ofd,
988 const struct lu_fid *fid, int orphan)
990 struct ofd_thread_info *info = ofd_info(env);
991 struct lustre_handle lockh;
992 __u64 flags = LDLM_AST_DISCARD_DATA, rc = 0;
993 ldlm_policy_data_t policy = {
994 .l_extent = { 0, OBD_OBJECT_EOF }
996 struct ofd_object *fo;
1000 fo = ofd_object_find(env, ofd, fid);
1002 RETURN(PTR_ERR(fo));
1004 /* Tell the clients that the object is gone now and that they should
1005 * throw away any cached pages. */
1006 ofd_build_resid(fid, &info->fti_resid);
1007 rc = ldlm_cli_enqueue_local(ofd->ofd_namespace, &info->fti_resid,
1008 LDLM_EXTENT, &policy, LCK_PW, &flags,
1009 ldlm_blocking_ast, ldlm_completion_ast,
1010 NULL, NULL, 0, LVB_T_NONE, NULL, &lockh);
1012 /* We only care about the side-effects, just drop the lock. */
1014 ldlm_lock_decref(&lockh, LCK_PW);
1016 LASSERT(fo != NULL);
1018 rc = ofd_object_destroy(env, fo, orphan);
1020 ofd_object_put(env, fo);
1024 int ofd_destroy(const struct lu_env *env, struct obd_export *exp,
1025 struct obdo *oa, struct lov_stripe_md *md,
1026 struct obd_trans_info *oti, struct obd_export *md_exp,
1029 struct ofd_device *ofd = ofd_exp(exp);
1030 struct ofd_thread_info *info;
1036 info = ofd_info_init(env, exp);
1037 ofd_oti2info(info, oti);
1039 if (!(oa->o_valid & OBD_MD_FLGROUP))
1042 /* check that o_misc makes sense */
1043 if (oa->o_valid & OBD_MD_FLOBJCOUNT)
1046 count = 1; /* default case - single destroy */
1049 * There can be sequence of objects to destroy. Therefore this request
1050 * may have multiple transaction involved in. It is OK, we need only
1051 * the highest used transno to be reported back in reply but not for
1052 * replays, they must report their transno
1054 if (info->fti_transno == 0) /* not replay */
1055 info->fti_mult_trans = 1;
1059 fid_ostid_unpack(&info->fti_fid, &oa->o_oi, 0);
1060 lrc = ofd_destroy_by_fid(env, ofd, &info->fti_fid, 0);
1061 if (lrc == -ENOENT) {
1063 "%s: destroying non-existent object "DFID"\n",
1064 ofd_obd(ofd)->obd_name, PFID(&info->fti_fid));
1065 /* rewrite rc with -ENOENT only if it is 0 */
1068 } else if (lrc != 0) {
1069 CERROR("%s: error destroying object "DFID": %d\n",
1070 ofd_obd(ofd)->obd_name, PFID(&info->fti_fid),
1078 /* if we have transaction then there were some deletions, we don't
1079 * need to return ENOENT in that case because it will not wait
1080 * for commit of these deletions. The ENOENT must be returned only
1081 * if there were no transations.
1083 if (rc == -ENOENT) {
1084 if (info->fti_transno != 0)
1086 } else if (rc != 0) {
1088 * If we have at least one transaction then llog record
1089 * on server will be removed upon commit, so for rc != 0
1090 * we return no transno and llog record will be reprocessed.
1092 info->fti_transno = 0;
1094 ofd_info2oti(info, oti);
1098 static int ofd_orphans_destroy(const struct lu_env *env,
1099 struct obd_export *exp, struct ofd_device *ofd,
1102 struct ofd_thread_info *info = ofd_info(env);
1106 struct ost_id oi = oa->o_oi;
1107 struct ofd_seq *oseq;
1111 oseq = ofd_seq_get(ofd, oa->o_seq);
1113 CERROR("%s: Can not find seq for "LPU64":"LPU64"\n",
1114 ofd_name(ofd), oa->o_seq, oa->o_id);
1118 LASSERT(exp != NULL);
1119 skip_orphan = !!(exp_connect_flags(exp) & OBD_CONNECT_SKIP_ORPHAN);
1121 last = ofd_seq_last_oid(oseq);
1122 LCONSOLE_INFO("%s: deleting orphan objects from "LPX64":"LPU64
1123 " to "LPU64"\n", ofd_name(ofd), oa->o_seq,
1124 oa->o_id + 1, last);
1126 for (oi.oi_id = last; oi.oi_id > oa->o_id; oi.oi_id--) {
1127 fid_ostid_unpack(&info->fti_fid, &oi, 0);
1128 rc = ofd_destroy_by_fid(env, ofd, &info->fti_fid, 1);
1129 if (rc && rc != -ENOENT) /* this is pretty fatal... */
1130 CEMERG("error destroying precreated id "LPU64": %d\n",
1133 ofd_seq_last_oid_set(oseq, oi.oi_id - 1);
1134 /* update last_id on disk periodically so that if we
1135 * restart * we don't need to re-scan all of the just
1136 * deleted objects. */
1137 if ((oi.oi_id & 511) == 0)
1138 ofd_seq_last_oid_write(env, ofd, oseq);
1141 CDEBUG(D_HA, "%s: after destroy: set last_objids["LPU64"] = "LPU64"\n",
1142 ofd_obd(ofd)->obd_name, oa->o_seq, oa->o_id);
1144 rc = ofd_seq_last_oid_write(env, ofd, oseq);
1146 /* don't reuse orphan object, return last used objid */
1150 ofd_seq_put(env, oseq);
1154 int ofd_create(const struct lu_env *env, struct obd_export *exp,
1155 struct obdo *oa, struct lov_stripe_md **ea,
1156 struct obd_trans_info *oti)
1158 struct ofd_device *ofd = ofd_exp(exp);
1159 struct ofd_thread_info *info;
1160 obd_seq seq = oa->o_seq;
1161 struct ofd_seq *oseq;
1167 info = ofd_info_init(env, exp);
1168 ofd_oti2info(info, oti);
1170 LASSERT(oa->o_seq >= FID_SEQ_OST_MDT0);
1171 LASSERT(oa->o_valid & OBD_MD_FLGROUP);
1173 CDEBUG(D_INFO, "ofd_create(oa->o_seq="LPU64",oa->o_id="LPU64")\n",
1176 oseq = ofd_seq_load(env, ofd, seq);
1178 CERROR("%s: Can't find FID Sequence "LPX64": rc = %ld\n",
1179 ofd_name(ofd), seq, PTR_ERR(oseq));
1183 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
1184 (oa->o_flags & OBD_FL_RECREATE_OBJS)) {
1185 if (!ofd_obd(ofd)->obd_recovering ||
1186 oa->o_id > ofd_seq_last_oid(oseq)) {
1187 CERROR("recreate objid "LPU64" > last id "LPU64"\n",
1188 oa->o_id, ofd_seq_last_oid(oseq));
1189 GOTO(out_nolock, rc = -EINVAL);
1191 /* do nothing because we create objects during first write */
1192 GOTO(out_nolock, rc = 0);
1194 /* former ofd_handle_precreate */
1195 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
1196 (oa->o_flags & OBD_FL_DELORPHAN)) {
1197 /* destroy orphans */
1198 if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
1199 CERROR("%s: dropping old orphan cleanup request\n",
1201 GOTO(out_nolock, rc = 0);
1203 /* This causes inflight precreates to abort and drop lock */
1204 oseq->os_destroys_in_progress = 1;
1205 mutex_lock(&oseq->os_create_lock);
1206 if (!oseq->os_destroys_in_progress) {
1207 CERROR("%s:["LPU64"] destroys_in_progress already cleared\n",
1208 exp->exp_obd->obd_name, oa->o_seq);
1211 diff = oa->o_id - ofd_seq_last_oid(oseq);
1212 CDEBUG(D_HA, "ofd_last_id() = "LPU64" -> diff = %d\n",
1213 ofd_seq_last_oid(oseq), diff);
1214 if (-diff > OST_MAX_PRECREATE) {
1215 /* FIXME: should reset precreate_next_id on MDS */
1217 } else if (diff < 0) {
1218 rc = ofd_orphans_destroy(env, exp, ofd, oa);
1219 oseq->os_destroys_in_progress = 0;
1221 /* XXX: Used by MDS for the first time! */
1222 oseq->os_destroys_in_progress = 0;
1225 mutex_lock(&oseq->os_create_lock);
1226 if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
1227 CERROR("%s: dropping old precreate request\n",
1228 ofd_obd(ofd)->obd_name);
1231 /* only precreate if seq is 0, IDIF or normal and also o_id
1232 * must be specfied */
1233 if ((!fid_seq_is_mdt(oa->o_seq) &&
1234 !fid_seq_is_norm(oa->o_seq) &&
1235 !fid_seq_is_idif(oa->o_seq)) || oa->o_id == 0) {
1236 diff = 1; /* shouldn't we create this right now? */
1238 diff = oa->o_id - ofd_seq_last_oid(oseq);
1239 /* Do sync create if the seq is about to used up */
1240 if (fid_seq_is_idif(oa->o_seq) ||
1241 fid_seq_is_mdt0(oa->o_seq)) {
1242 if (unlikely(oa->o_id >= IDIF_MAX_OID - 1))
1244 } else if (fid_seq_is_norm(oa->o_seq)) {
1245 if (unlikely(oa->o_id >=
1246 LUSTRE_DATA_SEQ_MAX_WIDTH - 1))
1249 CERROR("%s : invalid o_seq "LPX64": rc = %d\n",
1250 ofd_name(ofd), oa->o_seq, -EINVAL);
1251 GOTO(out, rc = -EINVAL);
1256 cfs_time_t enough_time = cfs_time_shift(DISK_TIMEOUT);
1261 if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
1262 !(oa->o_flags & OBD_FL_DELORPHAN)) {
1263 /* don't enforce grant during orphan recovery */
1264 rc = ofd_grant_create(env,
1265 ofd_obd(ofd)->obd_self_export,
1268 CDEBUG(D_HA, "%s: failed to acquire grant "
1269 "space for precreate (%d): rc = %d\n",
1270 ofd_name(ofd), diff, rc);
1276 next_id = ofd_seq_last_oid(oseq) + 1;
1277 count = ofd_precreate_batch(ofd, diff);
1279 CDEBUG(D_HA, "%s: reserve %d objects in group "LPU64
1280 " at "LPU64"\n", ofd_obd(ofd)->obd_name,
1281 count, oa->o_seq, next_id);
1283 if (cfs_time_after(jiffies, enough_time)) {
1284 LCONSOLE_WARN("%s: Slow creates, %d/%d objects"
1285 " created at a rate of %d/s\n",
1286 ofd_obd(ofd)->obd_name,
1287 created, diff + created,
1288 created / DISK_TIMEOUT);
1292 rc = ofd_precreate_objects(env, ofd, next_id,
1293 oseq, count, sync_trans);
1297 } else if (rc < 0) {
1302 /* some objects got created, we can return
1303 * them, even if last creation failed */
1306 CERROR("%s: unable to precreate: rc = %d\n",
1309 oa->o_id = ofd_seq_last_oid(oseq);
1310 oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
1312 if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
1313 !(oa->o_flags & OBD_FL_DELORPHAN))
1314 ofd_grant_commit(env, ofd_obd(ofd)->obd_self_export,
1318 ofd_info2oti(info, oti);
1320 mutex_unlock(&oseq->os_create_lock);
1322 if (rc == 0 && ea != NULL) {
1323 struct lov_stripe_md *lsm = *ea;
1325 lsm->lsm_object_id = oa->o_id;
1327 ofd_seq_put(env, oseq);
1331 int ofd_getattr(const struct lu_env *env, struct obd_export *exp,
1332 struct obd_info *oinfo)
1334 struct ofd_device *ofd = ofd_exp(exp);
1335 struct ofd_thread_info *info;
1336 struct ofd_object *fo;
1342 info = ofd_info_init(env, exp);
1344 fid_ostid_unpack(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
1345 rc = ofd_auth_capa(exp, &info->fti_fid, oinfo->oi_oa->o_seq,
1346 oinfo_capa(oinfo), CAPA_OPC_META_READ);
1350 fo = ofd_object_find(env, ofd, &info->fti_fid);
1352 GOTO(out, rc = PTR_ERR(fo));
1353 LASSERT(fo != NULL);
1354 rc = ofd_attr_get(env, fo, &info->fti_attr);
1355 oinfo->oi_oa->o_valid = OBD_MD_FLID;
1357 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
1358 OFD_VALID_FLAGS | LA_UID | LA_GID);
1360 /* Store object version in reply */
1361 curr_version = dt_version_get(env, ofd_object_child(fo));
1362 if ((__s64)curr_version != -EOPNOTSUPP) {
1363 oinfo->oi_oa->o_valid |= OBD_MD_FLDATAVERSION;
1364 oinfo->oi_oa->o_data_version = curr_version;
1366 ofd_object_put(env, fo);
1371 static int ofd_sync(const struct lu_env *env, struct obd_export *exp,
1372 struct obd_info *oinfo, obd_size start, obd_size end,
1373 struct ptlrpc_request_set *set)
1375 struct ofd_device *ofd = ofd_exp(exp);
1376 struct ofd_thread_info *info;
1377 struct ofd_object *fo;
1382 /* if no objid is specified, it means "sync whole filesystem" */
1383 if (oinfo->oi_oa == NULL || !(oinfo->oi_oa->o_valid & OBD_MD_FLID)) {
1384 rc = dt_sync(env, ofd->ofd_osd);
1388 info = ofd_info_init(env, exp);
1389 fid_ostid_unpack(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
1391 rc = ofd_auth_capa(exp, &info->fti_fid, oinfo->oi_oa->o_seq,
1392 oinfo_capa(oinfo), CAPA_OPC_OSS_TRUNC);
1396 fo = ofd_object_find(env, ofd, &info->fti_fid);
1398 CERROR("%s: error finding object "DFID": rc = %ld\n",
1399 exp->exp_obd->obd_name, PFID(&info->fti_fid),
1401 GOTO(out, rc = PTR_ERR(fo));
1404 if (!ofd_object_exists(fo))
1405 GOTO(put, rc = -ENOENT);
1407 if (dt_version_get(env, ofd_object_child(fo)) >
1408 ofd_obd(ofd)->obd_last_committed) {
1409 rc = dt_object_sync(env, ofd_object_child(fo));
1414 oinfo->oi_oa->o_valid = OBD_MD_FLID;
1415 rc = ofd_attr_get(env, fo, &info->fti_attr);
1416 obdo_from_la(oinfo->oi_oa, &info->fti_attr, OFD_VALID_FLAGS);
1418 ofd_counter_incr(exp, LPROC_OFD_STATS_SYNC, oinfo->oi_jobid, 1);
1421 ofd_object_put(env, fo);
1426 static int ofd_ioc_get_obj_version(const struct lu_env *env,
1427 struct ofd_device *ofd, void *karg)
1429 struct obd_ioctl_data *data = karg;
1431 struct ofd_object *fo;
1432 dt_obj_version_t version;
1437 if (data->ioc_inlbuf2 == NULL || data->ioc_inllen2 != sizeof(version))
1438 GOTO(out, rc = -EINVAL);
1440 if (data->ioc_inlbuf1 != NULL && data->ioc_inllen1 == sizeof(fid)) {
1441 fid = *(struct lu_fid *)data->ioc_inlbuf1;
1442 } else if (data->ioc_inlbuf3 != NULL &&
1443 data->ioc_inllen3 == sizeof(__u64) &&
1444 data->ioc_inlbuf4 != NULL &&
1445 data->ioc_inllen4 == sizeof(__u64)) {
1446 struct ost_id ostid;
1448 ostid.oi_id = *(__u64 *)data->ioc_inlbuf3;
1449 ostid.oi_seq = *(__u64 *)data->ioc_inlbuf4;
1450 rc = fid_ostid_unpack(&fid, &ostid, 0);
1454 GOTO(out, rc = -EINVAL);
1457 if (!fid_is_sane(&fid))
1458 GOTO(out, rc = -EINVAL);
1460 fo = ofd_object_find(env, ofd, &fid);
1462 GOTO(out, rc = PTR_ERR(fo));
1464 if (!ofd_object_exists(fo))
1465 GOTO(out_fo, rc = -ENOENT);
1467 if (lu_object_remote(&fo->ofo_obj.do_lu))
1468 GOTO(out_fo, rc = -EREMOTE);
1470 version = dt_version_get(env, ofd_object_child(fo));
1472 GOTO(out_fo, rc = -EIO);
1474 *(dt_obj_version_t *)data->ioc_inlbuf2 = version;
1478 ofd_object_put(env, fo);
1483 int ofd_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
1484 void *karg, void *uarg)
1487 struct ofd_device *ofd = ofd_exp(exp);
1488 struct obd_device *obd = ofd_obd(ofd);
1493 CDEBUG(D_IOCTL, "handling ioctl cmd %#x\n", cmd);
1494 rc = lu_env_init(&env, LCT_DT_THREAD);
1499 case OBD_IOC_ABORT_RECOVERY:
1500 CERROR("%s: aborting recovery\n", obd->obd_name);
1501 target_stop_recovery_thread(obd);
1504 CDEBUG(D_RPCTRACE, "syncing ost %s\n", obd->obd_name);
1505 rc = dt_sync(&env, ofd->ofd_osd);
1507 case OBD_IOC_SET_READONLY:
1508 rc = dt_sync(&env, ofd->ofd_osd);
1510 rc = dt_ro(&env, ofd->ofd_osd);
1512 case OBD_IOC_GET_OBJ_VERSION:
1513 rc = ofd_ioc_get_obj_version(&env, ofd, karg);
1516 CERROR("%s: not supported cmd = %d\n", obd->obd_name, cmd);
1524 static int ofd_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
1531 case OBD_CLEANUP_EARLY:
1533 case OBD_CLEANUP_EXPORTS:
1534 target_cleanup_recovery(obd);
1540 static int ofd_ping(const struct lu_env *env, struct obd_export *exp)
1542 ofd_fmd_expire(exp);
1546 static int ofd_health_check(const struct lu_env *nul, struct obd_device *obd)
1548 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
1549 struct ofd_thread_info *info;
1551 #ifdef USE_HEALTH_CHECK_WRITE
1556 /* obd_proc_read_health pass NULL env, we need real one */
1557 rc = lu_env_init(&env, LCT_DT_THREAD);
1561 info = ofd_info_init(&env, NULL);
1562 rc = dt_statfs(&env, ofd->ofd_osd, &info->fti_u.osfs);
1566 if (info->fti_u.osfs.os_state == OS_STATE_READONLY)
1567 GOTO(out, rc = -EROFS);
1569 #ifdef USE_HEALTH_CHECK_WRITE
1570 OBD_ALLOC(info->fti_buf.lb_buf, CFS_PAGE_SIZE);
1571 if (info->fti_buf.lb_buf == NULL)
1572 GOTO(out, rc = -ENOMEM);
1574 info->fti_buf.lb_len = CFS_PAGE_SIZE;
1577 th = dt_trans_create(&env, ofd->ofd_osd);
1579 GOTO(out, rc = PTR_ERR(th));
1581 rc = dt_declare_record_write(&env, ofd->ofd_health_check_file,
1582 info->fti_buf.lb_len, info->fti_off, th);
1584 th->th_sync = 1; /* sync IO is needed */
1585 rc = dt_trans_start_local(&env, ofd->ofd_osd, th);
1587 rc = dt_record_write(&env, ofd->ofd_health_check_file,
1588 &info->fti_buf, &info->fti_off,
1591 dt_trans_stop(&env, ofd->ofd_osd, th);
1593 OBD_FREE(info->fti_buf.lb_buf, CFS_PAGE_SIZE);
1595 CDEBUG(D_INFO, "write 1 page synchronously for checking io rc %d\n",rc);
1603 * Handle quota control requests to consult current usage/limit.
1605 * \param obd - is the obd device associated with the ofd
1606 * \param exp - is the client's export
1607 * \param oqctl - is the obd_quotactl request to be processed
1609 static int ofd_quotactl(struct obd_device *obd, struct obd_export *exp,
1610 struct obd_quotactl *oqctl)
1612 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
1617 /* report success for quota on/off for interoperability with current MDT
1619 if (oqctl->qc_cmd == Q_QUOTAON || oqctl->qc_cmd == Q_QUOTAOFF)
1622 rc = lu_env_init(&env, LCT_DT_THREAD);
1626 rc = lquotactl_slv(&env, ofd->ofd_osd, oqctl);
1632 struct obd_ops ofd_obd_ops = {
1633 .o_owner = THIS_MODULE,
1634 .o_connect = ofd_obd_connect,
1635 .o_reconnect = ofd_obd_reconnect,
1636 .o_disconnect = ofd_obd_disconnect,
1637 .o_set_info_async = ofd_set_info_async,
1638 .o_get_info = ofd_get_info,
1639 .o_create = ofd_create,
1640 .o_statfs = ofd_statfs,
1641 .o_setattr = ofd_setattr,
1642 .o_preprw = ofd_preprw,
1643 .o_commitrw = ofd_commitrw,
1644 .o_destroy = ofd_destroy,
1645 .o_init_export = ofd_init_export,
1646 .o_destroy_export = ofd_destroy_export,
1647 .o_postrecov = ofd_obd_postrecov,
1648 .o_punch = ofd_punch,
1649 .o_getattr = ofd_getattr,
1651 .o_iocontrol = ofd_iocontrol,
1652 .o_precleanup = ofd_precleanup,
1654 .o_health_check = ofd_health_check,
1655 .o_quotactl = ofd_quotactl,