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/
31 * lustre/ofd/ofd_objects.c
33 * This file contains OSD API methods related to OBD Filter Device (OFD)
36 * Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
37 * Author: Mikhail Pershin <mike.pershin@intel.com>
40 #define DEBUG_SUBSYSTEM S_FILTER
42 #include <dt_object.h>
43 #include <lustre_lfsck.h>
45 #include "ofd_internal.h"
48 * Get object version from disk and check it.
50 * This function checks object version from disk with
51 * ofd_thread_info::fti_pre_version filled from incoming RPC. This is part of
52 * VBR (Version-Based Recovery) and ensures that object has the same version
53 * upon replay as it has during original modification.
55 * \param[in] info execution thread OFD private data
56 * \param[in] fo OFD object
58 * \retval 0 if version matches
59 * \retval -EOVERFLOW on version mismatch
61 static int ofd_version_get_check(struct ofd_thread_info *info,
62 struct ofd_object *fo)
64 dt_obj_version_t curr_version;
66 if (info->fti_exp == NULL)
69 curr_version = dt_version_get(info->fti_env, ofd_object_child(fo));
70 if ((__s64)curr_version == -EOPNOTSUPP)
72 /* VBR: version is checked always because costs nothing */
73 if (info->fti_pre_version != 0 &&
74 info->fti_pre_version != curr_version) {
75 CDEBUG(D_INODE, "Version mismatch %#llx != %#llx\n",
76 info->fti_pre_version, curr_version);
77 spin_lock(&info->fti_exp->exp_lock);
78 info->fti_exp->exp_vbr_failed = 1;
79 spin_unlock(&info->fti_exp->exp_lock);
82 info->fti_pre_version = curr_version;
87 * Get OFD object by FID.
89 * This function finds OFD slice of compound object with the given FID.
91 * \param[in] env execution environment
92 * \param[in] ofd OFD device
93 * \param[in] fid FID of the object
95 * \retval pointer to the found ofd_object
96 * \retval ERR_PTR(errno) in case of error
98 struct ofd_object *ofd_object_find(const struct lu_env *env,
99 struct ofd_device *ofd,
100 const struct lu_fid *fid)
102 struct ofd_object *fo;
107 o = lu_object_find(env, &ofd->ofd_dt_dev.dd_lu_dev, fid, NULL);
108 if (likely(!IS_ERR(o)))
111 fo = ERR_CAST(o); /* return error */
117 * Get FID of parent MDT object.
119 * This function reads extended attribute XATTR_NAME_FID of OFD object which
120 * contains the MDT parent object FID and saves it in ofd_object::ofo_ff.
122 * The filter_fid::ff_parent::f_ver field currently holds
123 * the OST-object index in the parent MDT-object's layout EA,
124 * not the actual FID::f_ver of the parent. We therefore access
125 * it via the macro f_stripe_idx.
127 * \param[in] env execution environment
128 * \param[in] fo OFD object
130 * \retval 0 if successful
131 * \retval -ENODATA if there is no such xattr
132 * \retval negative value on error
134 int ofd_object_ff_load(const struct lu_env *env, struct ofd_object *fo)
136 struct ofd_thread_info *info = ofd_info(env);
137 struct filter_fid *ff = &fo->ofo_ff;
138 struct lu_buf *buf = &info->fti_buf;
141 if (fid_is_sane(&ff->ff_parent))
145 buf->lb_len = sizeof(*ff);
146 rc = dt_xattr_get(env, ofd_object_child(fo), buf, XATTR_NAME_FID);
150 if (unlikely(rc < sizeof(struct lu_fid))) {
151 fid_zero(&ff->ff_parent);
155 filter_fid_le_to_cpu(ff, ff, rc);
160 struct ofd_precreate_cb {
161 struct dt_txn_commit_cb opc_cb;
162 struct ofd_seq *opc_oseq;
166 static void ofd_cb_precreate(struct lu_env *env, struct thandle *th,
167 struct dt_txn_commit_cb *cb, int err)
169 struct ofd_precreate_cb *opc;
170 struct ofd_seq *oseq;
172 opc = container_of(cb, struct ofd_precreate_cb, opc_cb);
173 oseq = opc->opc_oseq;
175 CDEBUG(D_OTHER, "Sub %d from %d for "DFID", th_sync %d\n",
176 opc->opc_objects, atomic_read(&oseq->os_precreate_in_progress),
177 PFID(&oseq->os_oi.oi_fid), th->th_sync);
178 atomic_sub(opc->opc_objects, &oseq->os_precreate_in_progress);
179 ofd_seq_put(env, opc->opc_oseq);
183 static int ofd_precreate_cb_add(const struct lu_env *env, struct thandle *th,
184 struct ofd_seq *oseq, int objects)
186 struct ofd_precreate_cb *opc;
187 struct dt_txn_commit_cb *dcb;
194 precreate = atomic_read(&oseq->os_precreate_in_progress);
195 atomic_inc(&oseq->os_refc);
196 opc->opc_oseq = oseq;
197 opc->opc_objects = objects;
198 CDEBUG(D_OTHER, "Add %d to %d for "DFID", th_sync %d\n",
199 opc->opc_objects, precreate,
200 PFID(&oseq->os_oi.oi_fid), th->th_sync);
202 if ((precreate + objects) >= (5 * OST_MAX_PRECREATE))
206 dcb->dcb_func = ofd_cb_precreate;
207 INIT_LIST_HEAD(&dcb->dcb_linkage);
208 strlcpy(dcb->dcb_name, "ofd_cb_precreate", sizeof(dcb->dcb_name));
210 rc = dt_trans_cb_add(th, dcb);
212 ofd_seq_put(env, oseq);
217 atomic_add(objects, &oseq->os_precreate_in_progress);
223 * Precreate the given number \a nr of objects in the given sequence \a oseq.
225 * This function precreates new OST objects in the given sequence.
226 * The precreation starts from \a id and creates \a nr objects sequentially.
229 * This function may create fewer objects than requested.
231 * We mark object SUID+SGID to flag it for accepting UID+GID from client on
232 * first write. Currently the permission bits on the OST are never used,
235 * Initialize a/c/m time so any client timestamp will always be newer and
236 * update the inode. The ctime = 0 case is also handled specially in
237 * osd_inode_setattr(). See LU-221, LU-1042 for details.
239 * \param[in] env execution environment
240 * \param[in] ofd OFD device
241 * \param[in] id object ID to start precreation from
242 * \param[in] oseq object sequence
243 * \param[in] nr number of objects to precreate
244 * \param[in] sync synchronous precreation flag
246 * \retval 0 if successful
247 * \retval negative value on error
249 int ofd_precreate_objects(const struct lu_env *env, struct ofd_device *ofd,
250 u64 id, struct ofd_seq *oseq, int nr, int sync)
252 struct ofd_thread_info *info = ofd_info(env);
253 struct ofd_object *fo = NULL;
254 struct dt_object *next;
256 struct ofd_object **batch;
257 struct lu_fid *fid = &info->fti_fid;
267 /* Don't create objects beyond the valid range for this SEQ */
268 if (unlikely(fid_seq_is_mdt0(ostid_seq(&oseq->os_oi)) &&
269 (id + nr) > IDIF_MAX_OID)) {
270 CERROR("%s:"DOSTID" hit the IDIF_MAX_OID (1<<48)!\n",
271 ofd_name(ofd), id, ostid_seq(&oseq->os_oi));
272 RETURN(rc = -ENOSPC);
273 } else if (unlikely(!fid_seq_is_mdt0(ostid_seq(&oseq->os_oi)) &&
274 (id + nr) > OBIF_MAX_OID)) {
275 CERROR("%s:"DOSTID" hit the OBIF_MAX_OID (1<<32)!\n",
276 ofd_name(ofd), id, ostid_seq(&oseq->os_oi));
277 RETURN(rc = -ENOSPC);
280 OBD_ALLOC_PTR_ARRAY(batch, nr_saved);
284 info->fti_attr.la_valid = LA_TYPE | LA_MODE;
285 info->fti_attr.la_mode = S_IFREG | S_ISUID | S_ISGID | S_ISVTX | 0666;
286 info->fti_dof.dof_type = dt_mode_to_dft(S_IFREG);
288 info->fti_attr.la_valid |= LA_ATIME | LA_MTIME | LA_CTIME;
289 info->fti_attr.la_atime = 0;
290 info->fti_attr.la_mtime = 0;
291 info->fti_attr.la_ctime = 0;
295 /* prepare objects */
296 *fid = *lu_object_fid(&oseq->os_lastid_obj->do_lu);
297 for (i = 0; i < nr; i++) {
298 rc = fid_set_id(fid, id + i);
307 fo = ofd_object_find(env, ofd, fid);
310 GOTO(out, rc = PTR_ERR(fo));
318 info->fti_buf.lb_buf = &tmp;
319 info->fti_buf.lb_len = sizeof(tmp);
322 th = ofd_trans_create(env, ofd);
324 GOTO(out, rc = PTR_ERR(th));
328 rc = dt_declare_record_write(env, oseq->os_lastid_obj, &info->fti_buf,
331 GOTO(trans_stop, rc);
333 for (i = 0; i < nr; i++) {
337 if (unlikely(ofd_object_exists(fo))) {
338 /* object may exist being re-created by write replay */
339 CDEBUG(D_INODE, "object %#llx/%#llx exists: "
340 DFID"\n", ostid_seq(&oseq->os_oi), id,
341 PFID(lu_object_fid(&fo->ofo_obj.do_lu)));
345 next = ofd_object_child(fo);
346 LASSERT(next != NULL);
348 rc = dt_declare_create(env, next, &info->fti_attr, NULL,
352 GOTO(trans_stop, rc);
359 rc = dt_trans_start(env, ofd->ofd_osd, th);
361 GOTO(trans_stop, rc);
363 CDEBUG(D_OTHER, "%s: create new object "DFID" nr %d\n",
364 ofd_name(ofd), PFID(fid), nr);
366 /* When the LFSCK scanning the whole device to verify the LAST_ID file
367 * consistency, it will load the last_id into RAM firstly, and compare
368 * the last_id with each OST-object's ID. If the later one is larger,
369 * then it will regard the LAST_ID file crashed. But during the LFSCK
370 * scanning, the OFD may continue to create new OST-objects. Those new
371 * created OST-objects will have larger IDs than the LFSCK known ones.
372 * So from the LFSCK view, it needs to re-load the last_id from disk
373 * file, and if the latest last_id is still smaller than the object's
374 * ID, then the LAST_ID file is real crashed.
376 * To make above mechanism to work, before OFD pre-create OST-objects,
377 * it needs to update the LAST_ID file firstly, otherwise, the LFSCK
378 * may cannot get latest last_id although new OST-object created. */
379 if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_SKIP_LASTID)) {
380 tmp = cpu_to_le64(id + nr - 1);
381 dt_write_lock(env, oseq->os_lastid_obj, DT_LASTID);
382 rc = dt_record_write(env, oseq->os_lastid_obj,
383 &info->fti_buf, &info->fti_off, th);
384 dt_write_unlock(env, oseq->os_lastid_obj);
386 GOTO(trans_stop, rc);
389 for (i = 0; i < nr; i++) {
393 ofd_write_lock(env, fo);
395 /* Only the new created objects need to be recorded. */
396 if (ofd->ofd_osd->dd_record_fid_accessed) {
397 struct lfsck_req_local *lrl = &ofd_info(env)->fti_lrl;
399 lfsck_pack_rfa(lrl, lu_object_fid(&fo->ofo_obj.do_lu),
400 LEL_FID_ACCESSED, LFSCK_TYPE_LAYOUT);
401 lfsck_in_notify_local(env, ofd->ofd_osd, lrl, NULL);
404 if (likely(!ofd_object_exists(fo) &&
405 !OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DANGLING))) {
406 next = ofd_object_child(fo);
407 LASSERT(next != NULL);
409 rc = dt_create(env, next, &info->fti_attr, NULL,
411 ofd_write_unlock(env, fo);
414 GOTO(trans_stop, rc);
419 LASSERT(ofd_object_exists(fo));
421 ofd_write_unlock(env, fo);
424 ofd_seq_last_oid_set(oseq, id + i);
428 /* NOT all the wanted objects have been created,
429 * set the LAST_ID as the real created. */
430 if (unlikely(objects < nr)) {
434 tmp = cpu_to_le64(ofd_seq_last_oid(oseq));
435 dt_write_lock(env, oseq->os_lastid_obj, DT_LASTID);
436 rc1 = dt_record_write(env, oseq->os_lastid_obj,
437 &info->fti_buf, &info->fti_off, th);
438 dt_write_unlock(env, oseq->os_lastid_obj);
440 CERROR("%s: fail to reset the LAST_ID for seq (%#llx"
441 ") from %llu to %llu\n", ofd_name(ofd),
442 ostid_seq(&oseq->os_oi), id + nr - 1,
443 ofd_seq_last_oid(oseq));
447 ofd_precreate_cb_add(env, th, oseq, objects);
449 rc2 = ofd_trans_stop(env, ofd, th, rc);
451 CERROR("%s: failed to stop transaction: rc = %d\n",
456 for (i = 0; i < nr_saved; i++) {
460 ofd_object_put(env, fo);
462 OBD_FREE_PTR_ARRAY(batch, nr_saved);
464 CDEBUG((objects == 0 && rc == 0) ? D_ERROR : D_OTHER,
465 "created %d/%d objects: %d\n", objects, nr_saved, rc);
467 LASSERT(ergo(objects == 0, rc < 0));
468 RETURN(objects > 0 ? objects : rc);
472 * Fix the OFD object ownership.
474 * If the object still has SUID+SGID bits set, meaning that it was precreated
475 * by the MDT before it was assigned to any file, (see ofd_precreate_objects())
476 * then we will accept the UID/GID/PROJID if sent by the client for initializing
477 * the ownership of this object. We only allow this to happen once (so clear
478 * these bits) and later only allow setattr.
480 * \param[in] env execution environment
481 * \param[in] fo OFD object
482 * \param[in] la object attributes
483 * \param[in] is_setattr was this function called from setattr or not
485 * \retval 0 if successful
486 * \retval negative value on error
488 int ofd_attr_handle_id(const struct lu_env *env, struct ofd_object *fo,
489 struct lu_attr *la, int is_setattr)
491 struct ofd_thread_info *info = ofd_info(env);
492 struct lu_attr *ln = &info->fti_attr2;
498 if (!(la->la_valid & LA_UID) && !(la->la_valid & LA_GID) &&
499 !(la->la_valid & LA_PROJID))
502 rc = dt_attr_get(env, ofd_object_child(fo), ln);
506 LASSERT(ln->la_valid & LA_MODE);
509 * Only allow setattr to change UID/GID/PROJID, if
510 * SUID+SGID is not set which means this is not
511 * initialization of this objects.
514 if (!(ln->la_mode & S_ISUID))
515 la->la_valid &= ~LA_UID;
516 if (!(ln->la_mode & S_ISGID))
517 la->la_valid &= ~LA_GID;
518 if (!(ln->la_mode & S_ISVTX))
519 la->la_valid &= ~LA_PROJID;
522 /* Initialize ownership of this object, clear SUID+SGID bits*/
523 if ((la->la_valid & LA_UID) && (ln->la_mode & S_ISUID))
525 if ((la->la_valid & LA_GID) && (ln->la_mode & S_ISGID))
527 if ((la->la_valid & LA_PROJID) && (ln->la_mode & S_ISVTX))
530 if (!(la->la_valid & LA_MODE) || !is_setattr) {
531 la->la_mode = ln->la_mode;
532 la->la_valid |= LA_MODE;
534 la->la_mode &= ~mask;
541 * Check if it needs to update filter_fid by the value of @oa.
544 * \param[in] fo ofd object
545 * \param[in] oa obdo from client or MDT
546 * \param[out] ff if filter_fid needs updating, this field is used to
547 * return the new buffer
549 * \retval < 0 error occurred
550 * \retval 0 doesn't need to update filter_fid
551 * \retval FL_XATTR_{CREATE,REPLACE} flag for xattr update
553 int ofd_object_ff_update(const struct lu_env *env, struct ofd_object *fo,
554 const struct obdo *oa, struct filter_fid *ff)
560 (OBD_MD_FLFID | OBD_MD_FLOSTLAYOUT | OBD_MD_LAYOUT_VERSION)))
563 rc = ofd_object_ff_load(env, fo);
564 if (rc < 0 && rc != -ENODATA)
567 LASSERT(ff != &fo->ofo_ff);
568 if (rc == -ENODATA) {
569 rc = LU_XATTR_CREATE;
570 memset(ff, 0, sizeof(*ff));
572 rc = LU_XATTR_REPLACE;
573 memcpy(ff, &fo->ofo_ff, sizeof(*ff));
576 if (oa->o_valid & OBD_MD_FLFID) {
577 /* packing fid and converting it to LE for storing into EA.
578 * Here ->o_stripe_idx should be filled by LOV and rest of
579 * fields - by client. */
580 ff->ff_parent.f_seq = oa->o_parent_seq;
581 ff->ff_parent.f_oid = oa->o_parent_oid;
582 /* XXX: we are ignoring o_parent_ver here, since this should
583 * be the same for all objects in this fileset. */
584 ff->ff_parent.f_ver = oa->o_stripe_idx;
586 if (oa->o_valid & OBD_MD_FLOSTLAYOUT)
587 ff->ff_layout = oa->o_layout;
589 if (oa->o_valid & OBD_MD_LAYOUT_VERSION) {
590 CDEBUG(D_INODE, DFID": OST("DFID") layout version %u -> %u\n",
591 PFID(&fo->ofo_ff.ff_parent),
592 PFID(lu_object_fid(&fo->ofo_obj.do_lu)),
593 ff->ff_layout_version, oa->o_layout_version);
596 * resync write from client on non-primary objects and
597 * resync start from MDS on primary objects will contain
598 * LU_LAYOUT_RESYNC flag in the @oa.
600 * The layout version checking for write/punch from client
601 * happens in ofd_verify_layout_version() before coming to
602 * here, so that resync with smaller layout version client
603 * will be rejected there, the biggest resync version will
604 * be recorded in the OFD objects.
606 if (ff->ff_layout_version & LU_LAYOUT_RESYNC) {
607 /* this opens a new era of writing */
608 ff->ff_layout_version = 0;
612 /* it's not allowed to change it to a smaller value */
613 if (ofd_layout_version_less(oa->o_layout_version,
614 ff->ff_layout_version))
617 if (ff->ff_layout_version == 0 ||
618 oa->o_layout_version & LU_LAYOUT_RESYNC) {
619 /* if LU_LAYOUT_RESYNC is set, it closes the era of
620 * writing. Only mirror I/O can write this object. */
621 ff->ff_layout_version = oa->o_layout_version;
623 } else if (oa->o_layout_version > ff->ff_layout_version) {
624 ff->ff_range = max_t(__u32, ff->ff_range,
625 oa->o_layout_version -
626 ff->ff_layout_version);
630 if (memcmp(ff, &fo->ofo_ff, sizeof(*ff)))
631 filter_fid_cpu_to_le(ff, ff, sizeof(*ff));
639 * Set OFD object attributes.
641 * This function sets OFD object attributes taken from incoming request.
642 * It sets not only regular attributes but also XATTR_NAME_FID extended
643 * attribute if needed. The "fid" xattr allows the object's MDT parent inode
644 * to be found and verified by LFSCK and other tools in case of inconsistency.
646 * \param[in] env execution environment
647 * \param[in] fo OFD object
648 * \param[in] la object attributes
649 * \param[in] oa obdo carries fid, ost_layout, layout version
651 * \retval 0 if successful
652 * \retval negative value on error
654 int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo,
655 struct lu_attr *la, struct obdo *oa)
657 struct ofd_thread_info *info = ofd_info(env);
658 struct ofd_device *ofd = ofd_obj2dev(fo);
659 struct filter_fid *ff = &info->fti_mds_fid;
665 if (!ofd_object_exists(fo))
666 GOTO(out, rc = -ENOENT);
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 th = ofd_trans_create(env, ofd);
679 GOTO(out, rc = PTR_ERR(th));
681 rc = dt_declare_attr_set(env, ofd_object_child(fo), la, th);
685 info->fti_buf.lb_buf = ff;
686 info->fti_buf.lb_len = sizeof(*ff);
687 rc = dt_declare_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
688 XATTR_NAME_FID, 0, th);
692 rc = ofd_trans_start(env, ofd, la->la_valid & LA_SIZE ? fo : NULL, th);
696 ofd_write_lock(env, fo);
697 if (!ofd_object_exists(fo))
698 GOTO(unlock, rc = -ENOENT);
700 /* serialize vs ofd_commitrw_write() */
701 if (la->la_valid & (LA_ATIME | LA_MTIME | LA_CTIME))
702 tgt_fmd_update(info->fti_exp, &fo->ofo_header.loh_fid,
705 rc = dt_attr_set(env, ofd_object_child(fo), la, th);
709 fl = ofd_object_ff_update(env, fo, oa, ff);
711 GOTO(unlock, rc = fl);
714 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR1))
715 ff->ff_parent.f_oid = cpu_to_le32(1UL << 31);
716 else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR2))
717 le32_add_cpu(&ff->ff_parent.f_oid, -1);
718 else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NOPFID))
721 info->fti_buf.lb_buf = ff;
722 info->fti_buf.lb_len = sizeof(*ff);
723 rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
724 XATTR_NAME_FID, fl, th);
726 filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
732 ofd_write_unlock(env, fo);
734 rc2 = ofd_trans_stop(env, ofd, th, rc);
736 CERROR("%s: failed to stop transaction: rc = %d\n",
745 * Fallocate(Preallocate) space for OFD object.
747 * This function allocates space for the object from the \a start
748 * offset to the \a end offset.
750 * \param[in] env execution environment
751 * \param[in] fo OFD object
752 * \param[in] start start offset to allocate from
753 * \param[in] end end of allocate
754 * \param[in] mode fallocate mode
755 * \param[in] la object attributes
756 * \param[in] ff filter_fid structure
758 * \retval 0 if successful
759 * \retval negative value on error
761 int ofd_object_fallocate(const struct lu_env *env, struct ofd_object *fo,
762 __u64 start, __u64 end, int mode, struct lu_attr *la,
765 struct ofd_thread_info *info = ofd_info(env);
766 struct ofd_device *ofd = ofd_obj2dev(fo);
767 struct dt_object *dob = ofd_object_child(fo);
769 struct filter_fid *ff = &info->fti_mds_fid;
770 bool ff_needed = false;
775 if (!ofd_object_exists(fo))
778 /* VBR: version recovery check */
779 rc = ofd_version_get_check(info, fo);
784 rc = ofd_object_ff_load(env, fo);
791 if (oa->o_valid & OBD_MD_FLFID) {
792 ff->ff_parent.f_seq = oa->o_parent_seq;
793 ff->ff_parent.f_oid = oa->o_parent_oid;
794 ff->ff_parent.f_ver = oa->o_stripe_idx;
796 if (oa->o_valid & OBD_MD_FLOSTLAYOUT)
797 ff->ff_layout = oa->o_layout;
798 if (oa->o_valid & OBD_MD_LAYOUT_VERSION)
799 ff->ff_layout_version = oa->o_layout_version;
800 filter_fid_cpu_to_le(ff, ff, sizeof(*ff));
804 th = ofd_trans_create(env, ofd);
808 rc = dt_declare_attr_set(env, dob, la, th);
812 rc = dt_declare_fallocate(env, dob, start, end, mode, th);
817 info->fti_buf.lb_buf = ff;
818 info->fti_buf.lb_len = sizeof(*ff);
819 rc = dt_declare_xattr_set(env, ofd_object_child(fo),
820 &info->fti_buf, XATTR_NAME_FID, 0,
826 rc = ofd_trans_start(env, ofd, fo, th);
830 ofd_read_lock(env, fo);
831 if (!ofd_object_exists(fo))
832 GOTO(unlock, rc = -ENOENT);
834 if (la->la_valid & (LA_ATIME | LA_MTIME | LA_CTIME))
835 tgt_fmd_update(info->fti_exp, &fo->ofo_header.loh_fid,
838 rc = dt_falloc(env, dob, start, end, mode, th);
842 rc = dt_attr_set(env, dob, la, th);
847 rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
848 XATTR_NAME_FID, 0, th);
850 filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
853 ofd_read_unlock(env, fo);
855 ofd_trans_stop(env, ofd, th, rc);
860 * Truncate/punch OFD object.
862 * This function frees all of the allocated object's space from the \a start
863 * offset to the \a end offset. For truncate() operations the \a end offset
864 * is OBD_OBJECT_EOF. The functionality to punch holes in an object via
865 * fallocate(FALLOC_FL_PUNCH_HOLE) is not yet implemented (see LU-3606).
867 * \param[in] env execution environment
868 * \param[in] fo OFD object
869 * \param[in] start start offset to punch from
870 * \param[in] end end of punch
871 * \param[in] la object attributes
872 * \param[in] oa obdo struct from incoming request
874 * \retval 0 if successful
875 * \retval negative value on error
877 int ofd_object_punch(const struct lu_env *env, struct ofd_object *fo,
878 __u64 start, __u64 end, struct lu_attr *la,
881 struct ofd_thread_info *info = ofd_info(env);
882 struct ofd_device *ofd = ofd_obj2dev(fo);
883 struct dt_object *dob = ofd_object_child(fo);
884 struct filter_fid *ff = &info->fti_mds_fid;
890 /* we support truncate, not punch yet */
891 LASSERT(end == OBD_OBJECT_EOF);
893 if (!ofd_object_exists(fo))
894 GOTO(out, rc = -ENOENT);
896 if (ofd->ofd_lfsck_verify_pfid && oa->o_valid & OBD_MD_FLFID) {
897 rc = ofd_verify_ff(env, fo, oa);
902 /* VBR: version recovery check */
903 rc = ofd_version_get_check(info, fo);
907 rc = ofd_attr_handle_id(env, fo, la, 0 /* !is_setattr */);
911 th = ofd_trans_create(env, ofd);
913 GOTO(out, rc = PTR_ERR(th));
915 if (oa->o_valid & OBD_MD_FLFLAGS && oa->o_flags & LUSTRE_ENCRYPT_FL) {
916 /* punch must be aware we are dealing with an encrypted file */
917 la->la_valid |= LA_FLAGS;
918 la->la_flags |= LUSTRE_ENCRYPT_FL;
920 rc = dt_declare_attr_set(env, dob, la, th);
924 rc = dt_declare_punch(env, dob, start, OBD_OBJECT_EOF, th);
928 info->fti_buf.lb_buf = ff;
929 info->fti_buf.lb_len = sizeof(*ff);
930 rc = dt_declare_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
931 XATTR_NAME_FID, 0, th);
935 rc = ofd_trans_start(env, ofd, fo, th);
939 ofd_write_lock(env, fo);
941 if (la->la_valid & (LA_ATIME | LA_MTIME | LA_CTIME))
942 tgt_fmd_update(info->fti_exp, &fo->ofo_header.loh_fid,
945 if (!ofd_object_exists(fo))
946 GOTO(unlock, rc = -ENOENT);
948 /* need to verify layout version */
949 if (oa->o_valid & OBD_MD_LAYOUT_VERSION) {
950 rc = ofd_verify_layout_version(env, fo, oa);
955 rc = dt_punch(env, dob, start, OBD_OBJECT_EOF, th);
959 fl = ofd_object_ff_update(env, fo, oa, ff);
961 GOTO(unlock, rc = fl);
963 rc = dt_attr_set(env, dob, la, th);
968 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR1))
969 ff->ff_parent.f_oid = cpu_to_le32(1UL << 31);
970 else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR2))
971 le32_add_cpu(&ff->ff_parent.f_oid, -1);
972 else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NOPFID))
975 info->fti_buf.lb_buf = ff;
976 info->fti_buf.lb_len = sizeof(*ff);
977 rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
978 XATTR_NAME_FID, fl, th);
980 filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
986 ofd_write_unlock(env, fo);
988 rc2 = ofd_trans_stop(env, ofd, th, rc);
990 CERROR("%s: failed to stop transaction: rc = %d\n",
999 * Destroy OFD object.
1001 * This function destroys OFD object. If object wasn't used at all (orphan)
1002 * then local transaction is used, which means the transaction data is not
1003 * returned back in reply.
1005 * \param[in] env execution environment
1006 * \param[in] fo OFD object
1007 * \param[in] orphan flag to indicate that object is orphaned
1009 * \retval 0 if successful
1010 * \retval negative value on error
1012 int ofd_destroy(const struct lu_env *env, struct ofd_object *fo,
1015 struct ofd_device *ofd = ofd_obj2dev(fo);
1022 if (!ofd_object_exists(fo))
1023 GOTO(out, rc = -ENOENT);
1025 th = ofd_trans_create(env, ofd);
1027 GOTO(out, rc = PTR_ERR(th));
1029 rc = dt_declare_ref_del(env, ofd_object_child(fo), th);
1033 rc = dt_declare_destroy(env, ofd_object_child(fo), th);
1038 rc = dt_trans_start_local(env, ofd->ofd_osd, th);
1040 rc = ofd_trans_start(env, ofd, NULL, th);
1044 ofd_write_lock(env, fo);
1045 if (!ofd_object_exists(fo))
1046 GOTO(unlock, rc = -ENOENT);
1048 tgt_fmd_drop(ofd_info(env)->fti_exp, &fo->ofo_header.loh_fid);
1050 dt_ref_del(env, ofd_object_child(fo), th);
1051 dt_destroy(env, ofd_object_child(fo), th);
1053 ofd_write_unlock(env, fo);
1055 rc2 = ofd_trans_stop(env, ofd, th, rc);
1057 CERROR("%s failed to stop transaction: %d\n",
1058 ofd_name(ofd), rc2);
1066 * Get OFD object attributes.
1068 * This function gets OFD object regular attributes. It is used to serve
1069 * incoming request as well as for local OFD purposes.
1071 * \param[in] env execution environment
1072 * \param[in] fo OFD object
1073 * \param[in] la object attributes
1075 * \retval 0 if successful
1076 * \retval negative value on error
1078 int ofd_attr_get(const struct lu_env *env, struct ofd_object *fo,
1085 if (ofd_object_exists(fo)) {
1086 rc = dt_attr_get(env, ofd_object_child(fo), la);