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, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/osd-zfs/osd_object.c
34 * Author: Alex Zhuravlev <bzzz@whamcloud.com>
35 * Author: Mike Pershin <tappro@whamcloud.com>
36 * Author: Johann Lombardi <johann@whamcloud.com>
39 #define DEBUG_SUBSYSTEM S_OSD
41 #include <lustre_ver.h>
42 #include <libcfs/libcfs.h>
43 #include <obd_support.h>
44 #include <lustre_net.h>
46 #include <obd_class.h>
47 #include <lustre_disk.h>
48 #include <lustre_fid.h>
50 #include "osd_internal.h"
52 #include <sys/dnode.h>
57 #include <sys/spa_impl.h>
58 #include <sys/zfs_znode.h>
59 #include <sys/dmu_tx.h>
60 #include <sys/dmu_objset.h>
61 #include <sys/dsl_prop.h>
62 #include <sys/sa_impl.h>
65 char *osd_obj_tag = "osd_object";
67 static struct dt_object_operations osd_obj_ops;
68 static struct lu_object_operations osd_lu_obj_ops;
69 extern struct dt_body_operations osd_body_ops;
70 static struct dt_object_operations osd_obj_otable_it_ops;
72 extern struct kmem_cache *osd_object_kmem;
75 osd_object_sa_fini(struct osd_object *obj)
78 sa_handle_destroy(obj->oo_sa_hdl);
79 obj->oo_sa_hdl = NULL;
84 osd_object_sa_init(struct osd_object *obj, struct osd_device *o)
88 LASSERT(obj->oo_sa_hdl == NULL);
89 LASSERT(obj->oo_dn != NULL);
91 rc = osd_sa_handle_get(obj);
95 /* Cache the xattr object id, valid for the life of the object */
96 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_XATTR(o), &obj->oo_xattr, 8);
98 obj->oo_xattr = ZFS_NO_OBJECT;
101 osd_object_sa_fini(obj);
108 * Add object to list of dirty objects in tx handle.
111 osd_object_sa_dirty_add(struct osd_object *obj, struct osd_thandle *oh)
113 if (!list_empty(&obj->oo_sa_linkage))
116 down(&oh->ot_sa_lock);
117 write_lock(&obj->oo_attr_lock);
118 if (likely(list_empty(&obj->oo_sa_linkage)))
119 list_add(&obj->oo_sa_linkage, &oh->ot_sa_list);
120 write_unlock(&obj->oo_attr_lock);
125 * Release spill block dbuf hold for all dirty SAs.
127 void osd_object_sa_dirty_rele(struct osd_thandle *oh)
129 struct osd_object *obj;
131 down(&oh->ot_sa_lock);
132 while (!list_empty(&oh->ot_sa_list)) {
133 obj = list_entry(oh->ot_sa_list.next,
134 struct osd_object, oo_sa_linkage);
135 sa_spill_rele(obj->oo_sa_hdl);
136 write_lock(&obj->oo_attr_lock);
137 list_del_init(&obj->oo_sa_linkage);
138 write_unlock(&obj->oo_attr_lock);
144 * Update the SA and add the object to the dirty list.
146 int osd_object_sa_update(struct osd_object *obj, sa_attr_type_t type,
147 void *buf, uint32_t buflen, struct osd_thandle *oh)
151 LASSERT(obj->oo_sa_hdl != NULL);
152 LASSERT(oh->ot_tx != NULL);
154 rc = -sa_update(obj->oo_sa_hdl, type, buf, buflen, oh->ot_tx);
155 osd_object_sa_dirty_add(obj, oh);
161 * Bulk update the SA and add the object to the dirty list.
164 osd_object_sa_bulk_update(struct osd_object *obj, sa_bulk_attr_t *attrs,
165 int count, struct osd_thandle *oh)
169 LASSERT(obj->oo_sa_hdl != NULL);
170 LASSERT(oh->ot_tx != NULL);
172 rc = -sa_bulk_update(obj->oo_sa_hdl, attrs, count, oh->ot_tx);
173 osd_object_sa_dirty_add(obj, oh);
179 * Retrieve the attributes of a DMU object
181 int __osd_object_attr_get(const struct lu_env *env, struct osd_device *o,
182 struct osd_object *obj, struct lu_attr *la)
184 struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
185 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
190 LASSERT(obj->oo_dn != NULL);
192 la->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE | LA_TYPE |
193 LA_SIZE | LA_UID | LA_GID | LA_FLAGS | LA_NLINK;
195 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(o), NULL, osa->atime, 16);
196 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(o), NULL, osa->mtime, 16);
197 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(o), NULL, osa->ctime, 16);
198 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(o), NULL, &osa->mode, 8);
199 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(o), NULL, &osa->size, 8);
200 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(o), NULL, &osa->nlink, 8);
201 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(o), NULL, &osa->uid, 8);
202 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(o), NULL, &osa->gid, 8);
203 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(o), NULL, &osa->flags, 8);
204 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
206 rc = -sa_bulk_lookup(obj->oo_sa_hdl, bulk, cnt);
210 la->la_atime = osa->atime[0];
211 la->la_mtime = osa->mtime[0];
212 la->la_ctime = osa->ctime[0];
213 la->la_mode = osa->mode;
214 la->la_uid = osa->uid;
215 la->la_gid = osa->gid;
216 la->la_nlink = osa->nlink;
217 la->la_flags = attrs_zfs2fs(osa->flags);
218 la->la_size = osa->size;
220 /* Try to get extra flag from LMA. Right now, only LMAI_ORPHAN
221 * flags is stored in LMA, and it is only for orphan directory */
222 if (S_ISDIR(la->la_mode) && dt_object_exists(&obj->oo_dt)) {
223 struct osd_thread_info *info = osd_oti_get(env);
224 struct lustre_mdt_attrs *lma;
227 lma = (struct lustre_mdt_attrs *)info->oti_buf;
229 buf.lb_len = sizeof(info->oti_buf);
230 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
233 lma->lma_incompat = le32_to_cpu(lma->lma_incompat);
235 lma_to_lustre_flags(lma->lma_incompat);
237 } else if (rc == -ENODATA) {
242 if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode)) {
243 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_RDEV(o), &osa->rdev, 8);
246 la->la_rdev = osa->rdev;
247 la->la_valid |= LA_RDEV;
254 int __osd_obj2dnode(objset_t *os, uint64_t oid, dnode_t **dnp)
260 rc = dmu_bonus_hold(os, oid, osd_obj_tag, &db);
264 dbi = (dmu_buf_impl_t *)db;
266 *dnp = DB_DNODE(dbi);
267 LASSERT(*dnp != NULL);
273 * Concurrency: no concurrent access is possible that early in object
276 struct lu_object *osd_object_alloc(const struct lu_env *env,
277 const struct lu_object_header *hdr,
280 struct osd_object *mo;
282 OBD_SLAB_ALLOC_PTR_GFP(mo, osd_object_kmem, GFP_NOFS);
286 l = &mo->oo_dt.do_lu;
287 dt_object_init(&mo->oo_dt, NULL, d);
288 mo->oo_dt.do_ops = &osd_obj_ops;
289 l->lo_ops = &osd_lu_obj_ops;
290 INIT_LIST_HEAD(&mo->oo_sa_linkage);
291 INIT_LIST_HEAD(&mo->oo_unlinked_linkage);
292 init_rwsem(&mo->oo_sem);
293 init_rwsem(&mo->oo_guard);
294 rwlock_init(&mo->oo_attr_lock);
295 mo->oo_destroy = OSD_DESTROY_NONE;
303 * Concurrency: shouldn't matter.
305 int osd_object_init0(const struct lu_env *env, struct osd_object *obj)
307 struct osd_device *osd = osd_obj2dev(obj);
308 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
312 if (obj->oo_dn == NULL)
317 rc = osd_object_sa_init(obj, osd);
321 /* cache attrs in object */
322 rc = __osd_object_attr_get(env, osd, obj, &obj->oo_attr);
326 if (likely(!fid_is_acct(fid)))
327 /* no body operations for accounting objects */
328 obj->oo_dt.do_body_ops = &osd_body_ops;
331 * initialize object before marking it existing
333 obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
336 obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
341 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
343 struct osd_thread_info *info = osd_oti_get(env);
346 struct lustre_mdt_attrs *lma;
349 CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
350 lma = (struct lustre_mdt_attrs *)info->oti_buf;
352 buf.lb_len = sizeof(info->oti_buf);
354 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
357 lustre_lma_swab(lma);
358 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
359 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
360 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
361 "fid = "DFID"\n", osd_obj2dev(obj)->od_svname,
362 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
363 PFID(lu_object_fid(&obj->oo_dt.do_lu)));
366 } else if (rc == -ENODATA) {
367 /* haven't initialize LMA xattr */
375 * Concurrency: no concurrent access is possible that early in object
378 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
379 const struct lu_object_conf *conf)
381 struct osd_object *obj = osd_obj(l);
382 struct osd_device *osd = osd_obj2dev(obj);
387 LASSERT(osd_invariant(obj));
389 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
390 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
391 l->lo_header->loh_attr |= LOHA_EXISTS;
395 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
398 rc = osd_fid_lookup(env, osd, lu_object_fid(l), &oid);
400 LASSERT(obj->oo_dn == NULL);
401 rc = __osd_obj2dnode(osd->od_os, oid, &obj->oo_dn);
402 /* EEXIST will be returned if object is being deleted in ZFS */
408 CERROR("%s: lookup "DFID"/%#llx failed: rc = %d\n",
409 osd->od_svname, PFID(lu_object_fid(l)), oid, rc);
413 rc = osd_object_init0(env, obj);
417 rc = osd_check_lma(env, obj);
420 } else if (rc == -ENOENT) {
423 LASSERT(osd_invariant(obj));
429 * Concurrency: no concurrent access is possible that late in object
432 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
434 struct osd_object *obj = osd_obj(l);
436 LASSERT(osd_invariant(obj));
438 dt_object_fini(&obj->oo_dt);
439 OBD_SLAB_FREE_PTR(obj, osd_object_kmem);
443 osd_object_unlinked_add(struct osd_object *obj, struct osd_thandle *oh)
447 LASSERT(obj->oo_destroy == OSD_DESTROY_ASYNC);
449 /* the object is supposed to be exclusively locked by
450 * the caller (osd_object_destroy()), while the transaction
451 * (oh) is per-thread and not shared */
452 if (likely(list_empty(&obj->oo_unlinked_linkage))) {
453 list_add(&obj->oo_unlinked_linkage, &oh->ot_unlinked_list);
460 /* Default to max data size covered by a level-1 indirect block */
461 static unsigned long osd_sync_destroy_max_size =
462 1UL << (DN_MAX_INDBLKSHIFT - SPA_BLKPTRSHIFT + SPA_MAXBLOCKSHIFT);
463 module_param(osd_sync_destroy_max_size, ulong, 0444);
464 MODULE_PARM_DESC(osd_sync_destroy_max_size, "Maximum object size to use synchronous destroy.");
467 osd_object_set_destroy_type(struct osd_object *obj)
470 * Lock-less OST_WRITE can race with OST_DESTROY, so set destroy type
471 * only once and use it consistently thereafter.
473 down_write(&obj->oo_guard);
474 if (obj->oo_destroy == OSD_DESTROY_NONE) {
475 if (obj->oo_attr.la_size <= osd_sync_destroy_max_size)
476 obj->oo_destroy = OSD_DESTROY_SYNC;
477 else /* Larger objects are destroyed asynchronously */
478 obj->oo_destroy = OSD_DESTROY_ASYNC;
480 up_write(&obj->oo_guard);
483 static int osd_declare_object_destroy(const struct lu_env *env,
484 struct dt_object *dt,
487 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
488 struct osd_object *obj = osd_dt_obj(dt);
489 struct osd_device *osd = osd_obj2dev(obj);
490 struct osd_thandle *oh;
497 LASSERT(dt_object_exists(dt));
499 oh = container_of0(th, struct osd_thandle, ot_super);
500 LASSERT(oh->ot_tx != NULL);
502 /* declare that we'll remove object from fid-dnode mapping */
503 zapid = osd_get_name_n_idx(env, osd, fid, NULL, 0, &dn);
504 osd_tx_hold_zap(oh->ot_tx, zapid, dn, FALSE, NULL);
506 osd_declare_xattrs_destroy(env, obj, oh);
509 rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
510 obj->oo_attr.la_gid, -1, oh, false, NULL, false);
514 /* data to be truncated */
515 rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
516 obj->oo_attr.la_gid, 0, oh, true, NULL, false);
520 osd_object_set_destroy_type(obj);
521 if (obj->oo_destroy == OSD_DESTROY_SYNC)
522 dmu_tx_hold_free(oh->ot_tx, obj->oo_dn->dn_object,
525 osd_tx_hold_zap(oh->ot_tx, osd->od_unlinked->dn_object,
526 osd->od_unlinked, TRUE, NULL);
528 /* will help to find FID->ino when this object is being
529 * added to PENDING/ */
530 osd_idc_find_and_init(env, osd, obj);
535 static int osd_object_destroy(const struct lu_env *env,
536 struct dt_object *dt, struct thandle *th)
538 struct osd_thread_info *info = osd_oti_get(env);
539 char *buf = info->oti_str;
540 struct osd_object *obj = osd_dt_obj(dt);
541 struct osd_device *osd = osd_obj2dev(obj);
542 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
543 struct osd_thandle *oh;
549 down_write(&obj->oo_guard);
551 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
552 GOTO(out, rc = -ENOENT);
554 LASSERT(obj->oo_dn != NULL);
556 oh = container_of0(th, struct osd_thandle, ot_super);
558 LASSERT(oh->ot_tx != NULL);
560 /* remove obj ref from index dir (it depends) */
561 zapid = osd_get_name_n_idx(env, osd, fid, buf,
562 sizeof(info->oti_str), &zdn);
563 rc = osd_zap_remove(osd, zapid, zdn, buf, oh->ot_tx);
565 CERROR("%s: zap_remove(%s) failed: rc = %d\n",
566 osd->od_svname, buf, rc);
570 rc = osd_xattrs_destroy(env, obj, oh);
572 CERROR("%s: cannot destroy xattrs for %s: rc = %d\n",
573 osd->od_svname, buf, rc);
577 oid = obj->oo_dn->dn_object;
578 if (unlikely(obj->oo_destroy == OSD_DESTROY_NONE)) {
579 /* this may happen if the destroy wasn't declared
580 * e.g. when the object is created and then destroyed
581 * in the same transaction - we don't need additional
582 * space for destroy specifically */
583 LASSERT(obj->oo_attr.la_size <= osd_sync_destroy_max_size);
584 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
586 CERROR("%s: failed to free %s %llu: rc = %d\n",
587 osd->od_svname, buf, oid, rc);
588 } else if (obj->oo_destroy == OSD_DESTROY_SYNC) {
589 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
591 CERROR("%s: failed to free %s %llu: rc = %d\n",
592 osd->od_svname, buf, oid, rc);
593 } else { /* asynchronous destroy */
594 char *key = info->oti_key;
596 rc = osd_object_unlinked_add(obj, oh);
600 snprintf(key, sizeof(info->oti_key), "%llx", oid);
601 rc = osd_zap_add(osd, osd->od_unlinked->dn_object,
602 osd->od_unlinked, key, 8, 1, &oid, oh->ot_tx);
604 CERROR("%s: zap_add_int() failed %s %llu: rc = %d\n",
605 osd->od_svname, buf, oid, rc);
609 /* not needed in the cache anymore */
610 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
612 obj->oo_destroyed = 1;
613 up_write(&obj->oo_guard);
617 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
619 struct osd_object *obj = osd_obj(l);
621 if (obj->oo_dn != NULL) {
622 osd_object_sa_fini(obj);
623 if (obj->oo_sa_xattr) {
624 nvlist_free(obj->oo_sa_xattr);
625 obj->oo_sa_xattr = NULL;
627 osd_dnode_rele(obj->oo_dn);
628 list_del(&obj->oo_sa_linkage);
634 * Concurrency: ->loo_object_release() is called under site spin-lock.
636 static void osd_object_release(const struct lu_env *env,
642 * Concurrency: shouldn't matter.
644 static int osd_object_print(const struct lu_env *env, void *cookie,
645 lu_printer_t p, const struct lu_object *l)
647 struct osd_object *o = osd_obj(l);
649 return (*p)(env, cookie, LUSTRE_OSD_ZFS_NAME"-object@%p", o);
652 static void osd_object_read_lock(const struct lu_env *env,
653 struct dt_object *dt, unsigned role)
655 struct osd_object *obj = osd_dt_obj(dt);
657 LASSERT(osd_invariant(obj));
659 down_read_nested(&obj->oo_sem, role);
662 static void osd_object_write_lock(const struct lu_env *env,
663 struct dt_object *dt, unsigned role)
665 struct osd_object *obj = osd_dt_obj(dt);
667 LASSERT(osd_invariant(obj));
669 down_write_nested(&obj->oo_sem, role);
672 static void osd_object_read_unlock(const struct lu_env *env,
673 struct dt_object *dt)
675 struct osd_object *obj = osd_dt_obj(dt);
677 LASSERT(osd_invariant(obj));
678 up_read(&obj->oo_sem);
681 static void osd_object_write_unlock(const struct lu_env *env,
682 struct dt_object *dt)
684 struct osd_object *obj = osd_dt_obj(dt);
686 LASSERT(osd_invariant(obj));
687 up_write(&obj->oo_sem);
690 static int osd_object_write_locked(const struct lu_env *env,
691 struct dt_object *dt)
693 struct osd_object *obj = osd_dt_obj(dt);
696 LASSERT(osd_invariant(obj));
698 if (down_write_trylock(&obj->oo_sem)) {
700 up_write(&obj->oo_sem);
705 static int osd_attr_get(const struct lu_env *env,
706 struct dt_object *dt,
707 struct lu_attr *attr)
709 struct osd_object *obj = osd_dt_obj(dt);
714 down_read(&obj->oo_guard);
716 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
717 GOTO(out, rc = -ENOENT);
719 LASSERT(osd_invariant(obj));
722 read_lock(&obj->oo_attr_lock);
723 *attr = obj->oo_attr;
724 if (obj->oo_lma_flags & LUSTRE_ORPHAN_FL)
725 attr->la_flags |= LUSTRE_ORPHAN_FL;
726 read_unlock(&obj->oo_attr_lock);
728 /* with ZFS_DEBUG zrl_add_debug() called by DB_DNODE_ENTER()
729 * from within sa_object_size() can block on a mutex, so
730 * we can't call sa_object_size() holding rwlock */
731 sa_object_size(obj->oo_sa_hdl, &blksize, &blocks);
732 /* we do not control size of indices, so always calculate
733 * it from number of blocks reported by DMU */
734 if (S_ISDIR(attr->la_mode))
735 attr->la_size = 512 * blocks;
736 /* Block size may be not set; suggest maximal I/O transfers. */
738 blksize = osd_spa_maxblocksize(
739 dmu_objset_spa(osd_obj2dev(obj)->od_os));
741 attr->la_blksize = blksize;
742 attr->la_blocks = blocks;
743 attr->la_valid |= LA_BLOCKS | LA_BLKSIZE;
746 up_read(&obj->oo_guard);
750 /* Simple wrapper on top of qsd API which implement quota transfer for osd
751 * setattr needs. As a reminder, only the root user can change ownership of
752 * a file, that's why EDQUOT & EINPROGRESS errors are discarded */
753 static inline int qsd_transfer(const struct lu_env *env,
754 struct qsd_instance *qsd,
755 struct lquota_trans *trans, int qtype,
756 __u64 orig_id, __u64 new_id, __u64 bspace,
757 struct lquota_id_info *qi)
761 if (unlikely(qsd == NULL))
764 LASSERT(qtype >= 0 && qtype < LL_MAXQUOTAS);
765 qi->lqi_type = qtype;
767 /* inode accounting */
768 qi->lqi_is_blk = false;
770 /* one more inode for the new owner ... */
771 qi->lqi_id.qid_uid = new_id;
773 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
774 if (rc == -EDQUOT || rc == -EINPROGRESS)
779 /* and one less inode for the current id */
780 qi->lqi_id.qid_uid = orig_id;;
782 /* can't get EDQUOT when reducing usage */
783 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
784 if (rc == -EINPROGRESS)
789 /* block accounting */
790 qi->lqi_is_blk = true;
792 /* more blocks for the new owner ... */
793 qi->lqi_id.qid_uid = new_id;
794 qi->lqi_space = bspace;
795 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
796 if (rc == -EDQUOT || rc == -EINPROGRESS)
801 /* and finally less blocks for the current owner */
802 qi->lqi_id.qid_uid = orig_id;
803 qi->lqi_space = -bspace;
804 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
805 /* can't get EDQUOT when reducing usage */
806 if (rc == -EINPROGRESS)
811 static int osd_declare_attr_set(const struct lu_env *env,
812 struct dt_object *dt,
813 const struct lu_attr *attr,
814 struct thandle *handle)
816 struct osd_thread_info *info = osd_oti_get(env);
817 struct osd_object *obj = osd_dt_obj(dt);
818 struct osd_device *osd = osd_obj2dev(obj);
820 struct osd_thandle *oh;
828 LASSERT(handle != NULL);
829 LASSERT(osd_invariant(obj));
831 oh = container_of0(handle, struct osd_thandle, ot_super);
833 down_read(&obj->oo_guard);
834 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
837 LASSERT(obj->oo_sa_hdl != NULL);
838 LASSERT(oh->ot_tx != NULL);
839 /* regular attributes are part of the bonus buffer */
840 /* let's check whether this object is already part of
843 for (txh = list_head(&oh->ot_tx->tx_holds); txh;
844 txh = list_next(&oh->ot_tx->tx_holds, txh)) {
845 if (txh->txh_dnode == NULL)
847 if (txh->txh_dnode->dn_object != obj->oo_dn->dn_object)
849 /* this object is part of the transaction already
850 * we don't need to declare bonus again */
855 dmu_tx_hold_bonus(oh->ot_tx, obj->oo_dn->dn_object);
856 if (oh->ot_tx->tx_err != 0)
857 GOTO(out, rc = -oh->ot_tx->tx_err);
859 if (attr && attr->la_valid & LA_FLAGS) {
860 /* LMA is usually a part of bonus, no need to declare
864 if (attr && (attr->la_valid & (LA_UID | LA_GID))) {
865 sa_object_size(obj->oo_sa_hdl, &blksize, &bspace);
866 bspace = toqb(bspace * blksize);
869 if (attr && attr->la_valid & LA_UID) {
870 /* quota enforcement for user */
871 if (attr->la_uid != obj->oo_attr.la_uid) {
872 rc = qsd_transfer(env, osd->od_quota_slave,
873 &oh->ot_quota_trans, USRQUOTA,
874 obj->oo_attr.la_uid, attr->la_uid,
875 bspace, &info->oti_qi);
880 if (attr && attr->la_valid & LA_GID) {
881 /* quota enforcement for group */
882 if (attr->la_gid != obj->oo_attr.la_gid) {
883 rc = qsd_transfer(env, osd->od_quota_slave,
884 &oh->ot_quota_trans, GRPQUOTA,
885 obj->oo_attr.la_gid, attr->la_gid,
886 bspace, &info->oti_qi);
893 up_read(&obj->oo_guard);
898 * Set the attributes of an object
900 * The transaction passed to this routine must have
901 * dmu_tx_hold_bonus(tx, oid) called and then assigned
902 * to a transaction group.
904 static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
905 const struct lu_attr *la, struct thandle *handle)
907 struct osd_thread_info *info = osd_oti_get(env);
908 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
909 struct osd_object *obj = osd_dt_obj(dt);
910 struct osd_device *osd = osd_obj2dev(obj);
911 struct osd_thandle *oh;
912 struct osa_attr *osa = &info->oti_osa;
913 __u64 valid = la->la_valid;
919 down_read(&obj->oo_guard);
920 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
921 GOTO(out, rc = -ENOENT);
923 LASSERT(handle != NULL);
924 LASSERT(osd_invariant(obj));
925 LASSERT(obj->oo_sa_hdl);
927 oh = container_of0(handle, struct osd_thandle, ot_super);
928 /* Assert that the transaction has been assigned to a
929 transaction group. */
930 LASSERT(oh->ot_tx->tx_txg != 0);
932 /* Only allow set size for regular file */
933 if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
934 valid &= ~(LA_SIZE | LA_BLOCKS);
936 if (valid & LA_CTIME && la->la_ctime == obj->oo_attr.la_ctime)
939 if (valid & LA_MTIME && la->la_mtime == obj->oo_attr.la_mtime)
942 if (valid & LA_ATIME && la->la_atime == obj->oo_attr.la_atime)
948 if (valid & LA_FLAGS) {
949 struct lustre_mdt_attrs *lma;
952 if (la->la_flags & LUSTRE_LMA_FL_MASKS) {
953 CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
954 lma = (struct lustre_mdt_attrs *)&info->oti_buf;
956 buf.lb_len = sizeof(info->oti_buf);
957 rc = osd_xattr_get(env, &obj->oo_dt, &buf,
961 le32_to_cpu(lma->lma_incompat);
963 lustre_to_lma_flags(la->la_flags);
965 cpu_to_le32(lma->lma_incompat);
967 buf.lb_len = sizeof(*lma);
968 rc = osd_xattr_set_internal(env, obj, &buf,
974 CWARN("%s: failed to set LMA flags: rc = %d\n",
981 write_lock(&obj->oo_attr_lock);
983 if (valid & LA_ATIME) {
984 osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
985 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL,
988 if (valid & LA_MTIME) {
989 osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
990 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL,
993 if (valid & LA_CTIME) {
994 osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
995 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL,
998 if (valid & LA_MODE) {
999 /* mode is stored along with type, so read it first */
1000 obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
1001 (la->la_mode & ~S_IFMT);
1002 osa->mode = obj->oo_attr.la_mode;
1003 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL,
1006 if (valid & LA_SIZE) {
1007 osa->size = obj->oo_attr.la_size = la->la_size;
1008 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL,
1011 if (valid & LA_NLINK) {
1012 osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
1013 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL,
1016 if (valid & LA_RDEV) {
1017 osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
1018 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL,
1021 if (valid & LA_FLAGS) {
1022 osa->flags = attrs_fs2zfs(la->la_flags);
1023 /* many flags are not supported by zfs, so ensure a good cached
1025 obj->oo_attr.la_flags = attrs_zfs2fs(osa->flags);
1026 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL,
1029 if (valid & LA_UID) {
1030 osa->uid = obj->oo_attr.la_uid = la->la_uid;
1031 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL,
1034 if (valid & LA_GID) {
1035 osa->gid = obj->oo_attr.la_gid = la->la_gid;
1036 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL,
1039 obj->oo_attr.la_valid |= valid;
1040 write_unlock(&obj->oo_attr_lock);
1042 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
1043 rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);
1046 up_read(&obj->oo_guard);
1053 * XXX temporary solution.
1056 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1057 struct dt_object *parent, struct dt_object *child,
1062 ah->dah_parent = parent;
1063 ah->dah_mode = child_mode;
1065 if (parent != NULL && !dt_object_remote(parent)) {
1066 /* will help to find FID->ino at dt_insert("..") */
1067 struct osd_object *pobj = osd_dt_obj(parent);
1069 osd_idc_find_and_init(env, osd_obj2dev(pobj), pobj);
1073 static int osd_declare_object_create(const struct lu_env *env,
1074 struct dt_object *dt,
1075 struct lu_attr *attr,
1076 struct dt_allocation_hint *hint,
1077 struct dt_object_format *dof,
1078 struct thandle *handle)
1080 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1081 struct osd_object *obj = osd_dt_obj(dt);
1082 struct osd_device *osd = osd_obj2dev(obj);
1083 struct osd_thandle *oh;
1091 switch (dof->dof_type) {
1095 if (obj->oo_dt.do_body_ops == NULL)
1096 obj->oo_dt.do_body_ops = &osd_body_ops;
1102 LASSERT(handle != NULL);
1103 oh = container_of0(handle, struct osd_thandle, ot_super);
1104 LASSERT(oh->ot_tx != NULL);
1106 /* this is the minimum set of EAs on every Lustre object */
1107 obj->oo_ea_in_bonus = ZFS_SA_BASE_ATTR_SIZE +
1108 sizeof(__u64) + /* VBR VERSION */
1109 sizeof(struct lustre_mdt_attrs); /* LMA */
1110 /* reserve 32 bytes for extra stuff like ACLs */
1111 dnode_size = size_roundup_power2(obj->oo_ea_in_bonus + 32);
1113 switch (dof->dof_type) {
1115 dt->do_index_ops = &osd_dir_ops;
1117 /* for zap create */
1118 dmu_tx_hold_zap(oh->ot_tx, DMU_NEW_OBJECT, FALSE, NULL);
1119 dmu_tx_hold_sa_create(oh->ot_tx, dnode_size);
1124 /* first, we'll create new object */
1125 dmu_tx_hold_sa_create(oh->ot_tx, dnode_size);
1133 /* and we'll add it to some mapping */
1134 zapid = osd_get_name_n_idx(env, osd, fid, NULL, 0, &dn);
1135 osd_tx_hold_zap(oh->ot_tx, zapid, dn, TRUE, NULL);
1137 /* will help to find FID->ino mapping at dt_insert() */
1138 osd_idc_find_and_init(env, osd, obj);
1140 rc = osd_declare_quota(env, osd, attr->la_uid, attr->la_gid, 1, oh,
1141 false, NULL, false);
1146 int __osd_attr_init(const struct lu_env *env, struct osd_device *osd,
1147 sa_handle_t *sa_hdl, dmu_tx_t *tx,
1148 struct lu_attr *la, uint64_t parent)
1150 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
1151 struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
1160 gen = dmu_tx_get_txg(tx);
1162 ZFS_TIME_ENCODE(&now, crtime);
1164 osa->atime[0] = la->la_atime;
1165 osa->ctime[0] = la->la_ctime;
1166 osa->mtime[0] = la->la_mtime;
1167 osa->mode = la->la_mode;
1168 osa->uid = la->la_uid;
1169 osa->gid = la->la_gid;
1170 osa->rdev = la->la_rdev;
1171 osa->nlink = la->la_nlink;
1172 osa->flags = attrs_fs2zfs(la->la_flags);
1173 osa->size = la->la_size;
1176 * we need to create all SA below upon object create.
1178 * XXX The attribute order matters since the accounting callback relies
1179 * on static offsets (i.e. SA_*_OFFSET, see zfs_space_delta_cb()) to
1180 * look up the UID/GID attributes. Moreover, the callback does not seem
1181 * to support the spill block.
1182 * We define attributes in the same order as SA_*_OFFSET in order to
1183 * work around the problem. See ORI-610.
1186 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL, &osa->mode, 8);
1187 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL, &osa->size, 8);
1188 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GEN(osd), NULL, &gen, 8);
1189 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL, &osa->uid, 8);
1190 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL, &osa->gid, 8);
1191 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PARENT(osd), NULL, &parent, 8);
1192 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL, &osa->flags, 8);
1193 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL, osa->atime, 16);
1194 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL, osa->mtime, 16);
1195 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL, osa->ctime, 16);
1196 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CRTIME(osd), NULL, crtime, 16);
1197 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL, &osa->nlink, 8);
1198 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL, &osa->rdev, 8);
1199 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
1201 rc = -sa_replace_all_by_template(sa_hdl, bulk, cnt, tx);
1206 static int osd_find_new_dnode(const struct lu_env *env, dmu_tx_t *tx,
1207 uint64_t oid, dnode_t **dnp)
1212 /* take dnode_t from tx to save on dnode#->dnode_t lookup */
1213 for (txh = list_tail(&tx->tx_holds); txh;
1214 txh = list_prev(&tx->tx_holds, txh)) {
1215 dnode_t *dn = txh->txh_dnode;
1220 if (dn->dn_object != oid)
1224 rw_enter(&dn->dn_struct_rwlock, RW_WRITER);
1225 if (dn->dn_bonus == NULL)
1226 dbuf_create_bonus(dn);
1227 rw_exit(&dn->dn_struct_rwlock);
1231 LASSERT(dn->dn_handle);
1233 if (refcount_add(&db->db_holds, osd_obj_tag) == 1) {
1234 refcount_add(&dn->dn_holds, tag);
1235 atomic_inc_32(&dn->dn_dbufs_count);
1238 dbuf_read(db, NULL, DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH);
1242 if (unlikely(*dnp == NULL))
1243 rc = __osd_obj2dnode(tx->tx_objset, oid, dnp);
1249 * The transaction passed to this routine must have
1250 * dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT) called and then assigned
1251 * to a transaction group.
1253 int __osd_object_create(const struct lu_env *env, struct osd_object *obj,
1254 dnode_t **dnp, dmu_tx_t *tx, struct lu_attr *la)
1256 struct osd_device *osd = osd_obj2dev(obj);
1257 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
1258 dmu_object_type_t type = DMU_OT_PLAIN_FILE_CONTENTS;
1261 /* Use DMU_OTN_UINT8_METADATA for local objects so their data blocks
1262 * would get an additional ditto copy */
1263 if (unlikely(S_ISREG(la->la_mode) &&
1264 fid_seq_is_local_file(fid_seq(fid))))
1265 type = DMU_OTN_UINT8_METADATA;
1267 /* Create a new DMU object using the default dnode size. */
1268 oid = osd_dmu_object_alloc(osd->od_os, type, 0, 0, tx);
1270 LASSERT(la->la_valid & LA_MODE);
1274 return osd_find_new_dnode(env, tx, oid, dnp);
1278 * The transaction passed to this routine must have
1279 * dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, ...) called and then assigned
1280 * to a transaction group.
1282 * Using ZAP_FLAG_HASH64 will force the ZAP to always be a FAT ZAP.
1283 * This is fine for directories today, because storing the FID in the dirent
1284 * will also require a FAT ZAP. If there is a new type of micro ZAP created
1285 * then we might need to re-evaluate the use of this flag and instead do
1286 * a conversion from the different internal ZAP hash formats being used. */
1287 int __osd_zap_create(const struct lu_env *env, struct osd_device *osd,
1288 dnode_t **dnp, dmu_tx_t *tx, struct lu_attr *la,
1293 /* Assert that the transaction has been assigned to a
1294 transaction group. */
1295 LASSERT(tx->tx_txg != 0);
1298 oid = osd_zap_create_flags(osd->od_os, 0, flags | ZAP_FLAG_HASH64,
1299 DMU_OT_DIRECTORY_CONTENTS,
1300 14, /* == ZFS fzap_default_blockshift */
1301 DN_MAX_INDBLKSHIFT, /* indirect blockshift */
1307 return osd_find_new_dnode(env, tx, oid, dnp);
1310 static dnode_t *osd_mkidx(const struct lu_env *env, struct osd_object *obj,
1311 struct lu_attr *la, struct osd_thandle *oh)
1316 /* Index file should be created as regular file in order not to confuse
1317 * ZPL which could interpret them as directory.
1318 * We set ZAP_FLAG_UINT64_KEY to let ZFS know than we are going to use
1320 LASSERT(S_ISREG(la->la_mode));
1321 rc = __osd_zap_create(env, osd_obj2dev(obj), &dn, oh->ot_tx, la,
1322 ZAP_FLAG_UINT64_KEY);
1328 static dnode_t *osd_mkdir(const struct lu_env *env, struct osd_object *obj,
1329 struct lu_attr *la, struct osd_thandle *oh)
1334 LASSERT(S_ISDIR(la->la_mode));
1335 rc = __osd_zap_create(env, osd_obj2dev(obj), &dn, oh->ot_tx, la, 0);
1341 static dnode_t *osd_mkreg(const struct lu_env *env, struct osd_object *obj,
1342 struct lu_attr *la, struct osd_thandle *oh)
1344 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
1345 struct osd_device *osd = osd_obj2dev(obj);
1349 LASSERT(S_ISREG(la->la_mode));
1350 rc = __osd_object_create(env, obj, &dn, oh->ot_tx, la);
1354 if ((fid_is_idif(fid) || fid_is_norm(fid) || fid_is_echo(fid)) &&
1356 /* The minimum block size must be at least page size otherwise
1357 * it will break the assumption in tgt_thread_big_cache where
1358 * the array size is PTLRPC_MAX_BRW_PAGES. It will also affect
1359 * RDMA due to subpage transfer size */
1360 rc = -dmu_object_set_blocksize(osd->od_os, dn->dn_object,
1361 PAGE_SIZE, 0, oh->ot_tx);
1363 CERROR("%s: can't change blocksize: %d\n",
1364 osd->od_svname, rc);
1372 static dnode_t *osd_mksym(const struct lu_env *env, struct osd_object *obj,
1373 struct lu_attr *la, struct osd_thandle *oh)
1378 LASSERT(S_ISLNK(la->la_mode));
1379 rc = __osd_object_create(env, obj, &dn, oh->ot_tx, la);
1385 static dnode_t *osd_mknod(const struct lu_env *env, struct osd_object *obj,
1386 struct lu_attr *la, struct osd_thandle *oh)
1391 if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode))
1392 la->la_valid |= LA_RDEV;
1394 rc = __osd_object_create(env, obj, &dn, oh->ot_tx, la);
1400 typedef dnode_t *(*osd_obj_type_f)(const struct lu_env *env,
1401 struct osd_object *obj,
1403 struct osd_thandle *oh);
1405 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1407 osd_obj_type_f result;
1433 * Concurrency: @dt is write locked.
1435 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
1436 struct lu_attr *attr,
1437 struct dt_allocation_hint *hint,
1438 struct dt_object_format *dof,
1441 struct osd_thread_info *info = osd_oti_get(env);
1442 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
1443 struct zpl_direntry *zde = &info->oti_zde.lzd_reg;
1444 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1445 struct osd_object *obj = osd_dt_obj(dt);
1446 struct osd_device *osd = osd_obj2dev(obj);
1447 char *buf = info->oti_str;
1448 struct osd_thandle *oh;
1449 dnode_t *dn = NULL, *zdn = NULL;
1450 uint64_t zapid, parent = 0;
1455 /* concurrent create declarations should not see
1456 * the object inconsistent (db, attr, etc).
1457 * in regular cases acquisition should be cheap */
1458 down_write(&obj->oo_guard);
1460 if (unlikely(dt_object_exists(dt)))
1461 GOTO(out, rc = -EEXIST);
1463 LASSERT(osd_invariant(obj));
1464 LASSERT(dof != NULL);
1466 LASSERT(th != NULL);
1467 oh = container_of0(th, struct osd_thandle, ot_super);
1469 LASSERT(obj->oo_dn == NULL);
1471 /* to follow ZFS on-disk format we need
1472 * to initialize parent dnode properly */
1473 if (hint != NULL && hint->dah_parent != NULL &&
1474 !dt_object_remote(hint->dah_parent))
1475 parent = osd_dt_obj(hint->dah_parent)->oo_dn->dn_object;
1477 /* we may fix some attributes, better do not change the source */
1478 obj->oo_attr = *attr;
1479 obj->oo_attr.la_valid |= LA_SIZE | LA_NLINK | LA_TYPE;
1481 dn = osd_create_type_f(dof->dof_type)(env, obj, &obj->oo_attr, oh);
1489 zde->zde_dnode = dn->dn_object;
1490 zde->zde_type = IFTODT(attr->la_mode & S_IFMT);
1492 zapid = osd_get_name_n_idx(env, osd, fid, buf,
1493 sizeof(info->oti_str), &zdn);
1494 rc = osd_zap_add(osd, zapid, zdn, buf, 8, 1, zde, oh->ot_tx);
1498 /* Now add in all of the "SA" attributes */
1499 rc = osd_sa_handle_get(obj);
1503 /* configure new osd object */
1504 parent = parent != 0 ? parent : zapid;
1505 rc = __osd_attr_init(env, osd, obj->oo_sa_hdl, oh->ot_tx,
1506 &obj->oo_attr, parent);
1510 /* XXX: oo_lma_flags */
1511 obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
1512 if (likely(!fid_is_acct(lu_object_fid(&obj->oo_dt.do_lu))))
1513 /* no body operations for accounting objects */
1514 obj->oo_dt.do_body_ops = &osd_body_ops;
1516 rc = -nvlist_alloc(&obj->oo_sa_xattr, NV_UNIQUE_NAME, KM_SLEEP);
1520 /* initialize LMA */
1521 lustre_lma_init(lma, lu_object_fid(&obj->oo_dt.do_lu), 0, 0);
1522 lustre_lma_swab(lma);
1523 rc = -nvlist_add_byte_array(obj->oo_sa_xattr, XATTR_NAME_LMA,
1524 (uchar_t *)lma, sizeof(*lma));
1527 rc = __osd_sa_xattr_update(env, obj, oh);
1530 osd_idc_find_and_init(env, osd, obj);
1533 if (unlikely(rc && dn)) {
1534 dmu_object_free(osd->od_os, dn->dn_object, oh->ot_tx);
1538 obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
1540 up_write(&obj->oo_guard);
1544 static int osd_declare_object_ref_add(const struct lu_env *env,
1545 struct dt_object *dt,
1548 return osd_declare_attr_set(env, dt, NULL, th);
1552 * Concurrency: @dt is write locked.
1554 static int osd_object_ref_add(const struct lu_env *env,
1555 struct dt_object *dt,
1556 struct thandle *handle)
1558 struct osd_object *obj = osd_dt_obj(dt);
1559 struct osd_thandle *oh;
1560 struct osd_device *osd = osd_obj2dev(obj);
1566 down_read(&obj->oo_guard);
1567 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1568 GOTO(out, rc = -ENOENT);
1570 LASSERT(osd_invariant(obj));
1571 LASSERT(obj->oo_sa_hdl != NULL);
1573 oh = container_of0(handle, struct osd_thandle, ot_super);
1575 write_lock(&obj->oo_attr_lock);
1576 nlink = ++obj->oo_attr.la_nlink;
1577 write_unlock(&obj->oo_attr_lock);
1579 rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1582 up_read(&obj->oo_guard);
1586 static int osd_declare_object_ref_del(const struct lu_env *env,
1587 struct dt_object *dt,
1588 struct thandle *handle)
1590 return osd_declare_attr_set(env, dt, NULL, handle);
1594 * Concurrency: @dt is write locked.
1596 static int osd_object_ref_del(const struct lu_env *env,
1597 struct dt_object *dt,
1598 struct thandle *handle)
1600 struct osd_object *obj = osd_dt_obj(dt);
1601 struct osd_thandle *oh;
1602 struct osd_device *osd = osd_obj2dev(obj);
1608 down_read(&obj->oo_guard);
1610 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1611 GOTO(out, rc = -ENOENT);
1613 LASSERT(osd_invariant(obj));
1614 LASSERT(obj->oo_sa_hdl != NULL);
1616 oh = container_of0(handle, struct osd_thandle, ot_super);
1617 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
1619 write_lock(&obj->oo_attr_lock);
1620 nlink = --obj->oo_attr.la_nlink;
1621 write_unlock(&obj->oo_attr_lock);
1623 rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1626 up_read(&obj->oo_guard);
1630 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
1631 __u64 start, __u64 end)
1633 struct osd_device *osd = osd_obj2dev(osd_dt_obj(dt));
1636 /* XXX: no other option than syncing the whole filesystem until we
1637 * support ZIL. If the object tracked the txg that it was last
1638 * modified in, it could pass that txg here instead of "0". Maybe
1639 * the changes are already committed, so no wait is needed at all? */
1640 if (!osd->od_dt_dev.dd_rdonly)
1641 txg_wait_synced(dmu_objset_pool(osd->od_os), 0ULL);
1646 static int osd_invalidate(const struct lu_env *env, struct dt_object *dt)
1651 static struct dt_object_operations osd_obj_ops = {
1652 .do_read_lock = osd_object_read_lock,
1653 .do_write_lock = osd_object_write_lock,
1654 .do_read_unlock = osd_object_read_unlock,
1655 .do_write_unlock = osd_object_write_unlock,
1656 .do_write_locked = osd_object_write_locked,
1657 .do_attr_get = osd_attr_get,
1658 .do_declare_attr_set = osd_declare_attr_set,
1659 .do_attr_set = osd_attr_set,
1660 .do_ah_init = osd_ah_init,
1661 .do_declare_create = osd_declare_object_create,
1662 .do_create = osd_object_create,
1663 .do_declare_destroy = osd_declare_object_destroy,
1664 .do_destroy = osd_object_destroy,
1665 .do_index_try = osd_index_try,
1666 .do_declare_ref_add = osd_declare_object_ref_add,
1667 .do_ref_add = osd_object_ref_add,
1668 .do_declare_ref_del = osd_declare_object_ref_del,
1669 .do_ref_del = osd_object_ref_del,
1670 .do_xattr_get = osd_xattr_get,
1671 .do_declare_xattr_set = osd_declare_xattr_set,
1672 .do_xattr_set = osd_xattr_set,
1673 .do_declare_xattr_del = osd_declare_xattr_del,
1674 .do_xattr_del = osd_xattr_del,
1675 .do_xattr_list = osd_xattr_list,
1676 .do_object_sync = osd_object_sync,
1677 .do_invalidate = osd_invalidate,
1680 static struct lu_object_operations osd_lu_obj_ops = {
1681 .loo_object_init = osd_object_init,
1682 .loo_object_delete = osd_object_delete,
1683 .loo_object_release = osd_object_release,
1684 .loo_object_free = osd_object_free,
1685 .loo_object_print = osd_object_print,
1686 .loo_object_invariant = osd_object_invariant,
1689 static int osd_otable_it_attr_get(const struct lu_env *env,
1690 struct dt_object *dt,
1691 struct lu_attr *attr)
1697 static struct dt_object_operations osd_obj_otable_it_ops = {
1698 .do_attr_get = osd_otable_it_attr_get,
1699 .do_index_try = osd_index_try,