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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/ofd/ofd_objects.c
34 * This file contains OSD API methods related to OBD Filter Device (OFD)
37 * Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
38 * Author: Mikhail Pershin <mike.pershin@intel.com>
41 #define DEBUG_SUBSYSTEM S_FILTER
43 #include <dt_object.h>
44 #include <lustre_lfsck.h>
46 #include "ofd_internal.h"
49 * Get object version from disk and check it.
51 * This function checks object version from disk with
52 * ofd_thread_info::fti_pre_version filled from incoming RPC. This is part of
53 * VBR (Version-Based Recovery) and ensures that object has the same version
54 * upon replay as it has during original modification.
56 * \param[in] info execution thread OFD private data
57 * \param[in] fo OFD object
59 * \retval 0 if version matches
60 * \retval -EOVERFLOW on version mismatch
62 static int ofd_version_get_check(struct ofd_thread_info *info,
63 struct ofd_object *fo)
65 dt_obj_version_t curr_version;
67 LASSERT(ofd_object_exists(fo));
69 if (info->fti_exp == NULL)
72 curr_version = dt_version_get(info->fti_env, ofd_object_child(fo));
73 if ((__s64)curr_version == -EOPNOTSUPP)
75 /* VBR: version is checked always because costs nothing */
76 if (info->fti_pre_version != 0 &&
77 info->fti_pre_version != curr_version) {
78 CDEBUG(D_INODE, "Version mismatch %#llx != %#llx\n",
79 info->fti_pre_version, curr_version);
80 spin_lock(&info->fti_exp->exp_lock);
81 info->fti_exp->exp_vbr_failed = 1;
82 spin_unlock(&info->fti_exp->exp_lock);
85 info->fti_pre_version = curr_version;
90 * Get OFD object by FID.
92 * This function finds OFD slice of compound object with the given FID.
94 * \param[in] env execution environment
95 * \param[in] ofd OFD device
96 * \param[in] fid FID of the object
98 * \retval pointer to the found ofd_object
99 * \retval ERR_PTR(errno) in case of error
101 struct ofd_object *ofd_object_find(const struct lu_env *env,
102 struct ofd_device *ofd,
103 const struct lu_fid *fid)
105 struct ofd_object *fo;
110 o = lu_object_find(env, &ofd->ofd_dt_dev.dd_lu_dev, fid, NULL);
111 if (likely(!IS_ERR(o)))
114 fo = ERR_CAST(o); /* return error */
120 * Get FID of parent MDT object.
122 * This function reads extended attribute XATTR_NAME_FID of OFD object which
123 * contains the MDT parent object FID and saves it in ofd_object::ofo_ff.
125 * The filter_fid::ff_parent::f_ver field currently holds
126 * the OST-object index in the parent MDT-object's layout EA,
127 * not the actual FID::f_ver of the parent. We therefore access
128 * it via the macro f_stripe_idx.
130 * \param[in] env execution environment
131 * \param[in] fo OFD object
133 * \retval 0 if successful
134 * \retval -ENODATA if there is no such xattr
135 * \retval negative value on error
137 int ofd_object_ff_load(const struct lu_env *env, struct ofd_object *fo)
139 struct ofd_thread_info *info = ofd_info(env);
140 struct filter_fid *ff = &fo->ofo_ff;
141 struct lu_buf *buf = &info->fti_buf;
144 if (fid_is_sane(&ff->ff_parent))
148 buf->lb_len = sizeof(*ff);
149 rc = dt_xattr_get(env, ofd_object_child(fo), buf, XATTR_NAME_FID);
153 if (unlikely(rc < sizeof(struct lu_fid))) {
154 fid_zero(&ff->ff_parent);
158 filter_fid_le_to_cpu(ff, ff, rc);
163 struct ofd_precreate_cb {
164 struct dt_txn_commit_cb opc_cb;
165 struct ofd_seq *opc_oseq;
169 static void ofd_cb_precreate(struct lu_env *env, struct thandle *th,
170 struct dt_txn_commit_cb *cb, int err)
172 struct ofd_precreate_cb *opc;
173 struct ofd_seq *oseq;
175 opc = container_of(cb, struct ofd_precreate_cb, opc_cb);
176 oseq = opc->opc_oseq;
178 CDEBUG(D_OTHER, "Sub %d from %d for "DFID", th_sync %d\n",
179 opc->opc_objects, atomic_read(&oseq->os_precreate_in_progress),
180 PFID(&oseq->os_oi.oi_fid), th->th_sync);
181 atomic_sub(opc->opc_objects, &oseq->os_precreate_in_progress);
182 ofd_seq_put(env, opc->opc_oseq);
186 static int ofd_precreate_cb_add(const struct lu_env *env, struct thandle *th,
187 struct ofd_seq *oseq, int objects)
189 struct ofd_precreate_cb *opc;
190 struct dt_txn_commit_cb *dcb;
197 precreate = atomic_read(&oseq->os_precreate_in_progress);
198 atomic_inc(&oseq->os_refc);
199 opc->opc_oseq = oseq;
200 opc->opc_objects = objects;
201 CDEBUG(D_OTHER, "Add %d to %d for "DFID", th_sync %d\n",
202 opc->opc_objects, precreate,
203 PFID(&oseq->os_oi.oi_fid), th->th_sync);
205 if ((precreate + objects) >= (5 * OST_MAX_PRECREATE))
209 dcb->dcb_func = ofd_cb_precreate;
210 INIT_LIST_HEAD(&dcb->dcb_linkage);
211 strlcpy(dcb->dcb_name, "ofd_cb_precreate", sizeof(dcb->dcb_name));
213 rc = dt_trans_cb_add(th, dcb);
215 ofd_seq_put(env, oseq);
220 atomic_add(objects, &oseq->os_precreate_in_progress);
226 * Precreate the given number \a nr of objects in the given sequence \a oseq.
228 * This function precreates new OST objects in the given sequence.
229 * The precreation starts from \a id and creates \a nr objects sequentially.
232 * This function may create fewer objects than requested.
234 * We mark object SUID+SGID to flag it for accepting UID+GID from client on
235 * first write. Currently the permission bits on the OST are never used,
238 * Initialize a/c/m time so any client timestamp will always be newer and
239 * update the inode. The ctime = 0 case is also handled specially in
240 * osd_inode_setattr(). See LU-221, LU-1042 for details.
242 * \param[in] env execution environment
243 * \param[in] ofd OFD device
244 * \param[in] id object ID to start precreation from
245 * \param[in] oseq object sequence
246 * \param[in] nr number of objects to precreate
247 * \param[in] sync synchronous precreation flag
249 * \retval 0 if successful
250 * \retval negative value on error
252 int ofd_precreate_objects(const struct lu_env *env, struct ofd_device *ofd,
253 u64 id, struct ofd_seq *oseq, int nr, int sync)
255 struct ofd_thread_info *info = ofd_info(env);
256 struct ofd_object *fo = NULL;
257 struct dt_object *next;
259 struct ofd_object **batch;
260 struct lu_fid *fid = &info->fti_fid;
270 /* Don't create objects beyond the valid range for this SEQ */
271 if (unlikely(fid_seq_is_mdt0(ostid_seq(&oseq->os_oi)) &&
272 (id + nr) > IDIF_MAX_OID)) {
273 CERROR("%s:"DOSTID" hit the IDIF_MAX_OID (1<<48)!\n",
274 ofd_name(ofd), id, ostid_seq(&oseq->os_oi));
275 RETURN(rc = -ENOSPC);
276 } else if (unlikely(!fid_seq_is_mdt0(ostid_seq(&oseq->os_oi)) &&
277 (id + nr) > OBIF_MAX_OID)) {
278 CERROR("%s:"DOSTID" hit the OBIF_MAX_OID (1<<32)!\n",
279 ofd_name(ofd), id, ostid_seq(&oseq->os_oi));
280 RETURN(rc = -ENOSPC);
283 OBD_ALLOC(batch, nr_saved * sizeof(struct ofd_object *));
287 info->fti_attr.la_valid = LA_TYPE | LA_MODE;
288 info->fti_attr.la_mode = S_IFREG | S_ISUID | S_ISGID | S_ISVTX | 0666;
289 info->fti_dof.dof_type = dt_mode_to_dft(S_IFREG);
291 info->fti_attr.la_valid |= LA_ATIME | LA_MTIME | LA_CTIME;
292 info->fti_attr.la_atime = 0;
293 info->fti_attr.la_mtime = 0;
294 info->fti_attr.la_ctime = 0;
298 /* prepare objects */
299 *fid = *lu_object_fid(&oseq->os_lastid_obj->do_lu);
300 for (i = 0; i < nr; i++) {
301 rc = fid_set_id(fid, id + i);
310 fo = ofd_object_find(env, ofd, fid);
313 GOTO(out, rc = PTR_ERR(fo));
319 ofd_write_lock(env, fo);
322 info->fti_buf.lb_buf = &tmp;
323 info->fti_buf.lb_len = sizeof(tmp);
326 th = ofd_trans_create(env, ofd);
328 GOTO(out, rc = PTR_ERR(th));
332 rc = dt_declare_record_write(env, oseq->os_lastid_obj, &info->fti_buf,
335 GOTO(trans_stop, rc);
337 for (i = 0; i < nr; i++) {
341 if (unlikely(ofd_object_exists(fo))) {
342 /* object may exist being re-created by write replay */
343 CDEBUG(D_INODE, "object %#llx/%#llx exists: "
344 DFID"\n", ostid_seq(&oseq->os_oi), id,
345 PFID(lu_object_fid(&fo->ofo_obj.do_lu)));
349 next = ofd_object_child(fo);
350 LASSERT(next != NULL);
352 rc = dt_declare_create(env, next, &info->fti_attr, NULL,
356 GOTO(trans_stop, rc);
363 rc = dt_trans_start_local(env, ofd->ofd_osd, th);
365 GOTO(trans_stop, rc);
367 CDEBUG(D_OTHER, "%s: create new object "DFID" nr %d\n",
368 ofd_name(ofd), PFID(fid), nr);
370 /* When the LFSCK scanning the whole device to verify the LAST_ID file
371 * consistency, it will load the last_id into RAM firstly, and compare
372 * the last_id with each OST-object's ID. If the later one is larger,
373 * then it will regard the LAST_ID file crashed. But during the LFSCK
374 * scanning, the OFD may continue to create new OST-objects. Those new
375 * created OST-objects will have larger IDs than the LFSCK known ones.
376 * So from the LFSCK view, it needs to re-load the last_id from disk
377 * file, and if the latest last_id is still smaller than the object's
378 * ID, then the LAST_ID file is real crashed.
380 * To make above mechanism to work, before OFD pre-create OST-objects,
381 * it needs to update the LAST_ID file firstly, otherwise, the LFSCK
382 * may cannot get latest last_id although new OST-object created. */
383 if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_SKIP_LASTID)) {
384 tmp = cpu_to_le64(id + nr - 1);
385 dt_write_lock(env, oseq->os_lastid_obj, 0);
386 rc = dt_record_write(env, oseq->os_lastid_obj,
387 &info->fti_buf, &info->fti_off, th);
388 dt_write_unlock(env, oseq->os_lastid_obj);
390 GOTO(trans_stop, rc);
393 for (i = 0; i < nr; i++) {
397 /* Only the new created objects need to be recorded. */
398 if (ofd->ofd_osd->dd_record_fid_accessed) {
399 struct lfsck_req_local *lrl = &ofd_info(env)->fti_lrl;
401 lfsck_pack_rfa(lrl, lu_object_fid(&fo->ofo_obj.do_lu),
402 LEL_FID_ACCESSED, LFSCK_TYPE_LAYOUT);
403 lfsck_in_notify_local(env, ofd->ofd_osd, lrl, NULL);
406 if (likely(!ofd_object_exists(fo) &&
407 !OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DANGLING))) {
408 next = ofd_object_child(fo);
409 LASSERT(next != NULL);
411 rc = dt_create(env, next, &info->fti_attr, NULL,
415 GOTO(trans_stop, rc);
420 LASSERT(ofd_object_exists(fo));
422 ofd_seq_last_oid_set(oseq, id + i);
426 /* NOT all the wanted objects have been created,
427 * set the LAST_ID as the real created. */
428 if (unlikely(objects < nr)) {
432 tmp = cpu_to_le64(ofd_seq_last_oid(oseq));
433 dt_write_lock(env, oseq->os_lastid_obj, 0);
434 rc1 = dt_record_write(env, oseq->os_lastid_obj,
435 &info->fti_buf, &info->fti_off, th);
436 dt_write_unlock(env, oseq->os_lastid_obj);
438 CERROR("%s: fail to reset the LAST_ID for seq (%#llx"
439 ") from %llu to %llu\n", ofd_name(ofd),
440 ostid_seq(&oseq->os_oi), id + nr - 1,
441 ofd_seq_last_oid(oseq));
445 ofd_precreate_cb_add(env, th, oseq, objects);
447 rc2 = ofd_trans_stop(env, ofd, th, rc);
449 CERROR("%s: failed to stop transaction: rc = %d\n",
454 for (i = 0; i < nr_saved; i++) {
457 ofd_write_unlock(env, fo);
458 ofd_object_put(env, fo);
461 OBD_FREE(batch, nr_saved * sizeof(struct ofd_object *));
463 CDEBUG((objects == 0 && rc == 0) ? D_ERROR : D_OTHER,
464 "created %d/%d objects: %d\n", objects, nr_saved, rc);
466 LASSERT(ergo(objects == 0, rc < 0));
467 RETURN(objects > 0 ? objects : rc);
471 * Fix the OFD object ownership.
473 * If the object still has SUID+SGID bits set, meaning that it was precreated
474 * by the MDT before it was assigned to any file, (see ofd_precreate_objects())
475 * then we will accept the UID/GID/PROJID if sent by the client for initializing
476 * the ownership of this object. We only allow this to happen once (so clear
477 * these bits) and later only allow setattr.
479 * \param[in] env execution environment
480 * \param[in] fo OFD object
481 * \param[in] la object attributes
482 * \param[in] is_setattr was this function called from setattr or not
484 * \retval 0 if successful
485 * \retval negative value on error
487 int ofd_attr_handle_id(const struct lu_env *env, struct ofd_object *fo,
488 struct lu_attr *la, int is_setattr)
490 struct ofd_thread_info *info = ofd_info(env);
491 struct lu_attr *ln = &info->fti_attr2;
497 if (!(la->la_valid & LA_UID) && !(la->la_valid & LA_GID) &&
498 !(la->la_valid & LA_PROJID))
501 rc = dt_attr_get(env, ofd_object_child(fo), ln);
505 LASSERT(ln->la_valid & LA_MODE);
508 * Only allow setattr to change UID/GID/PROJID, if
509 * SUID+SGID is not set which means this is not
510 * initialization of this objects.
513 if (!(ln->la_mode & S_ISUID))
514 la->la_valid &= ~LA_UID;
515 if (!(ln->la_mode & S_ISGID))
516 la->la_valid &= ~LA_GID;
517 if (!(ln->la_mode & S_ISVTX))
518 la->la_valid &= ~LA_PROJID;
521 /* Initialize ownership of this object, clear SUID+SGID bits*/
522 if ((la->la_valid & LA_UID) && (ln->la_mode & S_ISUID))
524 if ((la->la_valid & LA_GID) && (ln->la_mode & S_ISGID))
526 if ((la->la_valid & LA_PROJID) && (ln->la_mode & S_ISVTX))
529 if (!(la->la_valid & LA_MODE) || !is_setattr) {
530 la->la_mode = ln->la_mode;
531 la->la_valid |= LA_MODE;
533 la->la_mode &= ~mask;
540 * Check if it needs to update filter_fid by the value of @oa.
543 * \param[in] fo ofd object
544 * \param[in] oa obdo from client or MDT
545 * \param[out] ff if filter_fid needs updating, this field is used to
546 * return the new buffer
548 * \retval < 0 error occurred
549 * \retval 0 doesn't need to update filter_fid
550 * \retval FL_XATTR_{CREATE,REPLACE} flag for xattr update
552 int ofd_object_ff_update(const struct lu_env *env, struct ofd_object *fo,
553 const struct obdo *oa, struct filter_fid *ff)
559 (OBD_MD_FLFID | OBD_MD_FLOSTLAYOUT | OBD_MD_LAYOUT_VERSION)))
562 rc = ofd_object_ff_load(env, fo);
563 if (rc < 0 && rc != -ENODATA)
566 LASSERT(ff != &fo->ofo_ff);
567 if (rc == -ENODATA) {
568 rc = LU_XATTR_CREATE;
569 memset(ff, 0, sizeof(*ff));
571 rc = LU_XATTR_REPLACE;
572 memcpy(ff, &fo->ofo_ff, sizeof(*ff));
575 if (oa->o_valid & OBD_MD_FLFID) {
576 /* packing fid and converting it to LE for storing into EA.
577 * Here ->o_stripe_idx should be filled by LOV and rest of
578 * fields - by client. */
579 ff->ff_parent.f_seq = oa->o_parent_seq;
580 ff->ff_parent.f_oid = oa->o_parent_oid;
581 /* XXX: we are ignoring o_parent_ver here, since this should
582 * be the same for all objects in this fileset. */
583 ff->ff_parent.f_ver = oa->o_stripe_idx;
585 if (oa->o_valid & OBD_MD_FLOSTLAYOUT)
586 ff->ff_layout = oa->o_layout;
588 if (oa->o_valid & OBD_MD_LAYOUT_VERSION) {
589 CDEBUG(D_INODE, DFID": OST("DFID") layout version %u -> %u\n",
590 PFID(&fo->ofo_ff.ff_parent),
591 PFID(lu_object_fid(&fo->ofo_obj.do_lu)),
592 ff->ff_layout_version, oa->o_layout_version);
594 /* only the MDS has the authority to update layout version */
595 if (!(exp_connect_flags(ofd_info(env)->fti_exp) &
597 CERROR(DFID": update layout version from client\n",
598 PFID(&fo->ofo_ff.ff_parent));
603 if (ff->ff_layout_version & LU_LAYOUT_RESYNC) {
604 /* this opens a new era of writing */
605 ff->ff_layout_version = 0;
609 /* it's not allowed to change it to a smaller value */
610 if (oa->o_layout_version < ff->ff_layout_version)
613 if (ff->ff_layout_version == 0 ||
614 oa->o_layout_version & LU_LAYOUT_RESYNC) {
615 /* if LU_LAYOUT_RESYNC is set, it closes the era of
616 * writing. Only mirror I/O can write this object. */
617 ff->ff_layout_version = oa->o_layout_version;
619 } else if (oa->o_layout_version > ff->ff_layout_version) {
620 ff->ff_range = MAX(ff->ff_range,
621 oa->o_layout_version - ff->ff_layout_version);
625 if (memcmp(ff, &fo->ofo_ff, sizeof(*ff)))
626 filter_fid_cpu_to_le(ff, ff, sizeof(*ff));
634 * Set OFD object attributes.
636 * This function sets OFD object attributes taken from incoming request.
637 * It sets not only regular attributes but also XATTR_NAME_FID extended
638 * attribute if needed. The "fid" xattr allows the object's MDT parent inode
639 * to be found and verified by LFSCK and other tools in case of inconsistency.
641 * \param[in] env execution environment
642 * \param[in] fo OFD object
643 * \param[in] la object attributes
644 * \param[in] oa obdo carries fid, ost_layout, layout version
646 * \retval 0 if successful
647 * \retval negative value on error
649 int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo,
650 struct lu_attr *la, struct obdo *oa)
652 struct ofd_thread_info *info = ofd_info(env);
653 struct ofd_device *ofd = ofd_obj2dev(fo);
654 struct filter_fid *ff = &info->fti_mds_fid;
660 ofd_write_lock(env, fo);
661 if (!ofd_object_exists(fo))
662 GOTO(unlock, rc = -ENOENT);
664 if (la->la_valid & (LA_ATIME | LA_MTIME | LA_CTIME))
665 tgt_fmd_update(info->fti_exp, &fo->ofo_header.loh_fid,
668 /* VBR: version recovery check */
669 rc = ofd_version_get_check(info, fo);
673 rc = ofd_attr_handle_id(env, fo, la, 1 /* is_setattr */);
677 fl = ofd_object_ff_update(env, fo, oa, ff);
679 GOTO(unlock, rc = fl);
681 th = ofd_trans_create(env, ofd);
683 GOTO(unlock, rc = PTR_ERR(th));
685 rc = dt_declare_attr_set(env, ofd_object_child(fo), la, th);
690 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR1))
691 ff->ff_parent.f_oid = cpu_to_le32(1UL << 31);
692 else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR2))
693 le32_add_cpu(&ff->ff_parent.f_oid, -1);
695 info->fti_buf.lb_buf = ff;
696 info->fti_buf.lb_len = sizeof(*ff);
697 rc = dt_declare_xattr_set(env, ofd_object_child(fo),
698 &info->fti_buf, XATTR_NAME_FID, fl,
704 rc = ofd_trans_start(env, ofd, la->la_valid & LA_SIZE ? fo : NULL, th);
708 rc = dt_attr_set(env, ofd_object_child(fo), la, th);
713 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NOPFID))
716 info->fti_buf.lb_buf = ff;
717 info->fti_buf.lb_len = sizeof(*ff);
718 rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
719 XATTR_NAME_FID, fl, th);
721 filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
727 rc2 = ofd_trans_stop(env, ofd, th, rc);
729 CERROR("%s: failed to stop transaction: rc = %d\n",
735 ofd_write_unlock(env, fo);
741 * Truncate/punch OFD object.
743 * This function frees all of the allocated object's space from the \a start
744 * offset to the \a end offset. For truncate() operations the \a end offset
745 * is OBD_OBJECT_EOF. The functionality to punch holes in an object via
746 * fallocate(FALLOC_FL_PUNCH_HOLE) is not yet implemented (see LU-3606).
748 * \param[in] env execution environment
749 * \param[in] fo OFD object
750 * \param[in] start start offset to punch from
751 * \param[in] end end of punch
752 * \param[in] la object attributes
753 * \param[in] oa obdo struct from incoming request
755 * \retval 0 if successful
756 * \retval negative value on error
758 int ofd_object_punch(const struct lu_env *env, struct ofd_object *fo,
759 __u64 start, __u64 end, struct lu_attr *la,
762 struct ofd_thread_info *info = ofd_info(env);
763 struct ofd_device *ofd = ofd_obj2dev(fo);
764 struct dt_object *dob = ofd_object_child(fo);
765 struct filter_fid *ff = &info->fti_mds_fid;
771 /* we support truncate, not punch yet */
772 LASSERT(end == OBD_OBJECT_EOF);
774 ofd_write_lock(env, fo);
775 if (la->la_valid & (LA_ATIME | LA_MTIME | LA_CTIME))
776 tgt_fmd_update(info->fti_exp, &fo->ofo_header.loh_fid,
779 if (!ofd_object_exists(fo))
780 GOTO(unlock, rc = -ENOENT);
782 if (ofd->ofd_lfsck_verify_pfid && oa->o_valid & OBD_MD_FLFID) {
783 rc = ofd_verify_ff(env, fo, oa);
788 /* need to verify layout version */
789 if (oa->o_valid & OBD_MD_LAYOUT_VERSION) {
790 rc = ofd_verify_layout_version(env, fo, oa);
794 oa->o_valid &= ~OBD_MD_LAYOUT_VERSION;
797 /* VBR: version recovery check */
798 rc = ofd_version_get_check(info, fo);
802 rc = ofd_attr_handle_id(env, fo, la, 0 /* !is_setattr */);
806 fl = ofd_object_ff_update(env, fo, oa, ff);
808 GOTO(unlock, rc = fl);
810 th = ofd_trans_create(env, ofd);
812 GOTO(unlock, rc = PTR_ERR(th));
814 rc = dt_declare_attr_set(env, dob, la, th);
818 rc = dt_declare_punch(env, dob, start, OBD_OBJECT_EOF, th);
823 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR1))
824 ff->ff_parent.f_oid = cpu_to_le32(1UL << 31);
825 else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR2))
826 le32_add_cpu(&ff->ff_parent.f_oid, -1);
828 info->fti_buf.lb_buf = ff;
829 info->fti_buf.lb_len = sizeof(*ff);
830 rc = dt_declare_xattr_set(env, ofd_object_child(fo),
831 &info->fti_buf, XATTR_NAME_FID, fl,
837 rc = ofd_trans_start(env, ofd, fo, th);
841 rc = dt_punch(env, dob, start, OBD_OBJECT_EOF, th);
845 rc = dt_attr_set(env, dob, la, th);
850 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NOPFID))
853 rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
854 XATTR_NAME_FID, fl, th);
856 filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
862 rc2 = ofd_trans_stop(env, ofd, th, rc);
864 CERROR("%s: failed to stop transaction: rc = %d\n",
869 ofd_write_unlock(env, fo);
875 * Destroy OFD object.
877 * This function destroys OFD object. If object wasn't used at all (orphan)
878 * then local transaction is used, which means the transaction data is not
879 * returned back in reply.
881 * \param[in] env execution environment
882 * \param[in] fo OFD object
883 * \param[in] orphan flag to indicate that object is orphaned
885 * \retval 0 if successful
886 * \retval negative value on error
888 int ofd_destroy(const struct lu_env *env, struct ofd_object *fo,
891 struct ofd_device *ofd = ofd_obj2dev(fo);
898 ofd_write_lock(env, fo);
899 if (!ofd_object_exists(fo))
900 GOTO(unlock, rc = -ENOENT);
902 th = ofd_trans_create(env, ofd);
904 GOTO(unlock, rc = PTR_ERR(th));
906 rc = dt_declare_ref_del(env, ofd_object_child(fo), th);
910 rc = dt_declare_destroy(env, ofd_object_child(fo), th);
915 rc = dt_trans_start_local(env, ofd->ofd_osd, th);
917 rc = ofd_trans_start(env, ofd, NULL, th);
921 tgt_fmd_drop(ofd_info(env)->fti_exp, &fo->ofo_header.loh_fid);
923 dt_ref_del(env, ofd_object_child(fo), th);
924 dt_destroy(env, ofd_object_child(fo), th);
926 rc2 = ofd_trans_stop(env, ofd, th, rc);
928 CERROR("%s failed to stop transaction: %d\n",
933 ofd_write_unlock(env, fo);
938 * Get OFD object attributes.
940 * This function gets OFD object regular attributes. It is used to serve
941 * incoming request as well as for local OFD purposes.
943 * \param[in] env execution environment
944 * \param[in] fo OFD object
945 * \param[in] la object attributes
947 * \retval 0 if successful
948 * \retval negative value on error
950 int ofd_attr_get(const struct lu_env *env, struct ofd_object *fo,
957 if (ofd_object_exists(fo)) {
958 rc = dt_attr_get(env, ofd_object_child(fo), la);