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, 2015, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/osd-zfs/osd_object.c
38 * Author: Alex Zhuravlev <bzzz@whamcloud.com>
39 * Author: Mike Pershin <tappro@whamcloud.com>
40 * Author: Johann Lombardi <johann@whamcloud.com>
43 #define DEBUG_SUBSYSTEM S_OSD
45 #include <lustre_ver.h>
46 #include <libcfs/libcfs.h>
47 #include <obd_support.h>
48 #include <lustre_net.h>
50 #include <obd_class.h>
51 #include <lustre_disk.h>
52 #include <lustre_fid.h>
54 #include "osd_internal.h"
56 #include <sys/dnode.h>
61 #include <sys/spa_impl.h>
62 #include <sys/zfs_znode.h>
63 #include <sys/dmu_tx.h>
64 #include <sys/dmu_objset.h>
65 #include <sys/dsl_prop.h>
66 #include <sys/sa_impl.h>
69 char *osd_obj_tag = "osd_object";
71 static struct dt_object_operations osd_obj_ops;
72 static struct lu_object_operations osd_lu_obj_ops;
73 extern struct dt_body_operations osd_body_ops;
74 static struct dt_object_operations osd_obj_otable_it_ops;
76 extern struct kmem_cache *osd_object_kmem;
79 osd_object_sa_fini(struct osd_object *obj)
82 sa_handle_destroy(obj->oo_sa_hdl);
83 obj->oo_sa_hdl = NULL;
88 osd_object_sa_init(struct osd_object *obj, struct osd_device *o)
92 LASSERT(obj->oo_sa_hdl == NULL);
93 LASSERT(obj->oo_db != NULL);
95 rc = -sa_handle_get(o->od_os, obj->oo_db->db_object, obj,
96 SA_HDL_PRIVATE, &obj->oo_sa_hdl);
100 /* Cache the xattr object id, valid for the life of the object */
101 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_XATTR(o), &obj->oo_xattr, 8);
103 obj->oo_xattr = ZFS_NO_OBJECT;
106 osd_object_sa_fini(obj);
113 * Add object to list of dirty objects in tx handle.
116 osd_object_sa_dirty_add(struct osd_object *obj, struct osd_thandle *oh)
118 if (!list_empty(&obj->oo_sa_linkage))
121 down(&oh->ot_sa_lock);
122 write_lock(&obj->oo_attr_lock);
123 if (likely(list_empty(&obj->oo_sa_linkage)))
124 list_add(&obj->oo_sa_linkage, &oh->ot_sa_list);
125 write_unlock(&obj->oo_attr_lock);
130 * Release spill block dbuf hold for all dirty SAs.
132 void osd_object_sa_dirty_rele(struct osd_thandle *oh)
134 struct osd_object *obj;
136 down(&oh->ot_sa_lock);
137 while (!list_empty(&oh->ot_sa_list)) {
138 obj = list_entry(oh->ot_sa_list.next,
139 struct osd_object, oo_sa_linkage);
140 sa_spill_rele(obj->oo_sa_hdl);
141 write_lock(&obj->oo_attr_lock);
142 list_del_init(&obj->oo_sa_linkage);
143 write_unlock(&obj->oo_attr_lock);
149 * Update the SA and add the object to the dirty list.
151 int osd_object_sa_update(struct osd_object *obj, sa_attr_type_t type,
152 void *buf, uint32_t buflen, struct osd_thandle *oh)
156 LASSERT(obj->oo_sa_hdl != NULL);
157 LASSERT(oh->ot_tx != NULL);
159 rc = -sa_update(obj->oo_sa_hdl, type, buf, buflen, oh->ot_tx);
160 osd_object_sa_dirty_add(obj, oh);
166 * Bulk update the SA and add the object to the dirty list.
169 osd_object_sa_bulk_update(struct osd_object *obj, sa_bulk_attr_t *attrs,
170 int count, struct osd_thandle *oh)
174 LASSERT(obj->oo_sa_hdl != NULL);
175 LASSERT(oh->ot_tx != NULL);
177 rc = -sa_bulk_update(obj->oo_sa_hdl, attrs, count, oh->ot_tx);
178 osd_object_sa_dirty_add(obj, oh);
184 * Retrieve the attributes of a DMU object
186 int __osd_object_attr_get(const struct lu_env *env, struct osd_device *o,
187 struct osd_object *obj, struct lu_attr *la)
189 struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
191 sa_bulk_attr_t *bulk;
196 LASSERT(obj->oo_db != NULL);
198 rc = -sa_handle_get(o->od_os, obj->oo_db->db_object, NULL,
199 SA_HDL_PRIVATE, &sa_hdl);
203 OBD_ALLOC(bulk, sizeof(sa_bulk_attr_t) * 9);
205 GOTO(out_sa, rc = -ENOMEM);
207 la->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE | LA_TYPE |
208 LA_SIZE | LA_UID | LA_GID | LA_FLAGS | LA_NLINK;
210 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(o), NULL, osa->atime, 16);
211 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(o), NULL, osa->mtime, 16);
212 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(o), NULL, osa->ctime, 16);
213 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(o), NULL, &osa->mode, 8);
214 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(o), NULL, &osa->size, 8);
215 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(o), NULL, &osa->nlink, 8);
216 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(o), NULL, &osa->uid, 8);
217 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(o), NULL, &osa->gid, 8);
218 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(o), NULL, &osa->flags, 8);
220 rc = -sa_bulk_lookup(sa_hdl, bulk, cnt);
224 la->la_atime = osa->atime[0];
225 la->la_mtime = osa->mtime[0];
226 la->la_ctime = osa->ctime[0];
227 la->la_mode = osa->mode;
228 la->la_uid = osa->uid;
229 la->la_gid = osa->gid;
230 la->la_nlink = osa->nlink;
231 la->la_flags = attrs_zfs2fs(osa->flags);
232 la->la_size = osa->size;
234 /* Try to get extra flag from LMA. Right now, only LMAI_ORPHAN
235 * flags is stored in LMA, and it is only for orphan directory */
236 if (S_ISDIR(la->la_mode) && dt_object_exists(&obj->oo_dt)) {
237 struct osd_thread_info *info = osd_oti_get(env);
238 struct lustre_mdt_attrs *lma;
241 lma = (struct lustre_mdt_attrs *)info->oti_buf;
243 buf.lb_len = sizeof(info->oti_buf);
244 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
247 lma->lma_incompat = le32_to_cpu(lma->lma_incompat);
249 lma_to_lustre_flags(lma->lma_incompat);
251 } else if (rc == -ENODATA) {
256 if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode)) {
257 rc = -sa_lookup(sa_hdl, SA_ZPL_RDEV(o), &osa->rdev, 8);
260 la->la_rdev = osa->rdev;
261 la->la_valid |= LA_RDEV;
264 OBD_FREE(bulk, sizeof(sa_bulk_attr_t) * 9);
266 sa_handle_destroy(sa_hdl);
271 int __osd_obj2dbuf(const struct lu_env *env, objset_t *os,
272 uint64_t oid, dmu_buf_t **dbp)
274 dmu_object_info_t *doi = &osd_oti_get(env)->oti_doi;
277 rc = -sa_buf_hold(os, oid, osd_obj_tag, dbp);
281 dmu_object_info_from_db(*dbp, doi);
282 if (unlikely (oid != DMU_USERUSED_OBJECT &&
283 oid != DMU_GROUPUSED_OBJECT && doi->doi_bonus_type != DMU_OT_SA)) {
284 sa_buf_rele(*dbp, osd_obj_tag);
290 LASSERT((*dbp)->db_object == oid);
291 LASSERT((*dbp)->db_offset == -1);
292 LASSERT((*dbp)->db_data != NULL);
298 * Concurrency: no concurrent access is possible that early in object
301 struct lu_object *osd_object_alloc(const struct lu_env *env,
302 const struct lu_object_header *hdr,
305 struct osd_object *mo;
307 OBD_SLAB_ALLOC_PTR_GFP(mo, osd_object_kmem, GFP_NOFS);
311 l = &mo->oo_dt.do_lu;
312 dt_object_init(&mo->oo_dt, NULL, d);
313 mo->oo_dt.do_ops = &osd_obj_ops;
314 l->lo_ops = &osd_lu_obj_ops;
315 INIT_LIST_HEAD(&mo->oo_sa_linkage);
316 INIT_LIST_HEAD(&mo->oo_unlinked_linkage);
317 init_rwsem(&mo->oo_sem);
318 init_rwsem(&mo->oo_guard);
319 rwlock_init(&mo->oo_attr_lock);
320 mo->oo_destroy = OSD_DESTROY_NONE;
328 * Concurrency: shouldn't matter.
330 int osd_object_init0(const struct lu_env *env, struct osd_object *obj)
332 struct osd_device *osd = osd_obj2dev(obj);
333 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
337 if (obj->oo_db == NULL)
342 rc = osd_object_sa_init(obj, osd);
346 /* cache attrs in object */
347 rc = __osd_object_attr_get(env, osd, obj, &obj->oo_attr);
351 if (likely(!fid_is_acct(fid)))
352 /* no body operations for accounting objects */
353 obj->oo_dt.do_body_ops = &osd_body_ops;
356 * initialize object before marking it existing
358 obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
361 obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
366 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
368 struct osd_thread_info *info = osd_oti_get(env);
371 struct lustre_mdt_attrs *lma;
374 CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
375 lma = (struct lustre_mdt_attrs *)info->oti_buf;
377 buf.lb_len = sizeof(info->oti_buf);
379 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
382 lustre_lma_swab(lma);
383 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
384 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
385 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
386 "fid = "DFID"\n", osd_obj2dev(obj)->od_svname,
387 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
388 PFID(lu_object_fid(&obj->oo_dt.do_lu)));
391 } else if (rc == -ENODATA) {
392 /* haven't initialize LMA xattr */
400 * Concurrency: no concurrent access is possible that early in object
403 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
404 const struct lu_object_conf *conf)
406 struct osd_object *obj = osd_obj(l);
407 struct osd_device *osd = osd_obj2dev(obj);
412 LASSERT(osd_invariant(obj));
414 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
415 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
416 l->lo_header->loh_attr |= LOHA_EXISTS;
420 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
423 rc = osd_fid_lookup(env, osd, lu_object_fid(l), &oid);
425 LASSERT(obj->oo_db == NULL);
426 rc = __osd_obj2dbuf(env, osd->od_os, oid, &obj->oo_db);
427 /* EEXIST will be returned if object is being deleted in ZFS */
433 CERROR("%s: lookup "DFID"/"LPX64" failed: rc = %d\n",
434 osd->od_svname, PFID(lu_object_fid(l)), oid, rc);
438 rc = osd_object_init0(env, obj);
442 rc = osd_check_lma(env, obj);
445 } else if (rc == -ENOENT) {
448 LASSERT(osd_invariant(obj));
454 * Concurrency: no concurrent access is possible that late in object
457 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
459 struct osd_object *obj = osd_obj(l);
461 LASSERT(osd_invariant(obj));
463 dt_object_fini(&obj->oo_dt);
464 OBD_SLAB_FREE_PTR(obj, osd_object_kmem);
468 osd_object_unlinked_add(struct osd_object *obj, struct osd_thandle *oh)
472 LASSERT(obj->oo_destroy == OSD_DESTROY_ASYNC);
474 /* the object is supposed to be exclusively locked by
475 * the caller (osd_object_destroy()), while the transaction
476 * (oh) is per-thread and not shared */
477 if (likely(list_empty(&obj->oo_unlinked_linkage))) {
478 list_add(&obj->oo_unlinked_linkage, &oh->ot_unlinked_list);
485 /* Default to max data size covered by a level-1 indirect block */
486 static unsigned long osd_sync_destroy_max_size =
487 1UL << (DN_MAX_INDBLKSHIFT - SPA_BLKPTRSHIFT + SPA_MAXBLOCKSHIFT);
488 module_param(osd_sync_destroy_max_size, ulong, 0444);
489 MODULE_PARM_DESC(osd_sync_destroy_max_size, "Maximum object size to use synchronous destroy.");
492 osd_object_set_destroy_type(struct osd_object *obj)
495 * Lock-less OST_WRITE can race with OST_DESTROY, so set destroy type
496 * only once and use it consistently thereafter.
498 down_write(&obj->oo_guard);
499 if (obj->oo_destroy == OSD_DESTROY_NONE) {
500 if (obj->oo_attr.la_size <= osd_sync_destroy_max_size)
501 obj->oo_destroy = OSD_DESTROY_SYNC;
502 else /* Larger objects are destroyed asynchronously */
503 obj->oo_destroy = OSD_DESTROY_ASYNC;
505 up_write(&obj->oo_guard);
508 static int osd_declare_object_destroy(const struct lu_env *env,
509 struct dt_object *dt,
512 char *buf = osd_oti_get(env)->oti_str;
513 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
514 struct osd_object *obj = osd_dt_obj(dt);
515 struct osd_device *osd = osd_obj2dev(obj);
516 struct osd_thandle *oh;
522 LASSERT(dt_object_exists(dt));
524 oh = container_of0(th, struct osd_thandle, ot_super);
525 LASSERT(oh->ot_tx != NULL);
527 /* declare that we'll remove object from fid-dnode mapping */
528 zapid = osd_get_name_n_idx(env, osd, fid, buf);
529 dmu_tx_hold_bonus(oh->ot_tx, zapid);
530 dmu_tx_hold_zap(oh->ot_tx, zapid, FALSE, buf);
532 osd_declare_xattrs_destroy(env, obj, oh);
534 /* declare that we'll remove object from inode accounting ZAPs */
535 dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
536 dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, FALSE, buf);
537 dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
538 dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, FALSE, buf);
541 rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
542 obj->oo_attr.la_gid, -1, oh, false, NULL, false);
546 /* data to be truncated */
547 rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
548 obj->oo_attr.la_gid, 0, oh, true, NULL, false);
552 osd_object_set_destroy_type(obj);
553 if (obj->oo_destroy == OSD_DESTROY_SYNC)
554 dmu_tx_hold_free(oh->ot_tx, obj->oo_db->db_object,
557 dmu_tx_hold_zap(oh->ot_tx, osd->od_unlinkedid, TRUE, NULL);
562 static int osd_object_destroy(const struct lu_env *env,
563 struct dt_object *dt, struct thandle *th)
565 char *buf = osd_oti_get(env)->oti_str;
566 struct osd_object *obj = osd_dt_obj(dt);
567 struct osd_device *osd = osd_obj2dev(obj);
568 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
569 struct osd_thandle *oh;
574 down_write(&obj->oo_guard);
576 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
577 GOTO(out, rc = -ENOENT);
579 LASSERT(obj->oo_db != NULL);
581 oh = container_of0(th, struct osd_thandle, ot_super);
583 LASSERT(oh->ot_tx != NULL);
585 /* remove obj ref from index dir (it depends) */
586 zapid = osd_get_name_n_idx(env, osd, fid, buf);
587 rc = -zap_remove(osd->od_os, zapid, buf, oh->ot_tx);
589 CERROR("%s: zap_remove(%s) failed: rc = %d\n",
590 osd->od_svname, buf, rc);
594 rc = osd_xattrs_destroy(env, obj, oh);
596 CERROR("%s: cannot destroy xattrs for %s: rc = %d\n",
597 osd->od_svname, buf, rc);
601 /* Remove object from inode accounting. It is not fatal for the destroy
602 * operation if something goes wrong while updating accounting, but we
603 * still log an error message to notify the administrator */
604 rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
605 obj->oo_attr.la_uid, -1, oh->ot_tx);
607 CERROR("%s: failed to remove "DFID" from accounting ZAP for usr"
608 " %d: rc = %d\n", osd->od_svname, PFID(fid),
609 obj->oo_attr.la_uid, rc);
610 rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
611 obj->oo_attr.la_gid, -1, oh->ot_tx);
613 CERROR("%s: failed to remove "DFID" from accounting ZAP for grp"
614 " %d: rc = %d\n", osd->od_svname, PFID(fid),
615 obj->oo_attr.la_gid, rc);
617 oid = obj->oo_db->db_object;
618 if (unlikely(obj->oo_destroy == OSD_DESTROY_NONE)) {
619 /* this may happen if the destroy wasn't declared
620 * e.g. when the object is created and then destroyed
621 * in the same transaction - we don't need additional
622 * space for destroy specifically */
623 LASSERT(obj->oo_attr.la_size <= osd_sync_destroy_max_size);
624 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
626 CERROR("%s: failed to free %s "LPU64": rc = %d\n",
627 osd->od_svname, buf, oid, rc);
628 } else if (obj->oo_destroy == OSD_DESTROY_SYNC) {
629 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
631 CERROR("%s: failed to free %s "LPU64": rc = %d\n",
632 osd->od_svname, buf, oid, rc);
633 } else { /* asynchronous destroy */
634 rc = osd_object_unlinked_add(obj, oh);
638 rc = -zap_add_int(osd->od_os, osd->od_unlinkedid,
641 CERROR("%s: zap_add_int() failed %s "LPU64": rc = %d\n",
642 osd->od_svname, buf, oid, rc);
646 /* not needed in the cache anymore */
647 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
649 obj->oo_destroyed = 1;
650 up_write(&obj->oo_guard);
654 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
656 struct osd_object *obj = osd_obj(l);
658 if (obj->oo_db != NULL) {
659 osd_object_sa_fini(obj);
660 if (obj->oo_sa_xattr) {
661 nvlist_free(obj->oo_sa_xattr);
662 obj->oo_sa_xattr = NULL;
664 sa_buf_rele(obj->oo_db, osd_obj_tag);
665 list_del(&obj->oo_sa_linkage);
671 * Concurrency: ->loo_object_release() is called under site spin-lock.
673 static void osd_object_release(const struct lu_env *env,
679 * Concurrency: shouldn't matter.
681 static int osd_object_print(const struct lu_env *env, void *cookie,
682 lu_printer_t p, const struct lu_object *l)
684 struct osd_object *o = osd_obj(l);
686 return (*p)(env, cookie, LUSTRE_OSD_ZFS_NAME"-object@%p", o);
689 static void osd_object_read_lock(const struct lu_env *env,
690 struct dt_object *dt, unsigned role)
692 struct osd_object *obj = osd_dt_obj(dt);
694 LASSERT(osd_invariant(obj));
696 down_read_nested(&obj->oo_sem, role);
699 static void osd_object_write_lock(const struct lu_env *env,
700 struct dt_object *dt, unsigned role)
702 struct osd_object *obj = osd_dt_obj(dt);
704 LASSERT(osd_invariant(obj));
706 down_write_nested(&obj->oo_sem, role);
709 static void osd_object_read_unlock(const struct lu_env *env,
710 struct dt_object *dt)
712 struct osd_object *obj = osd_dt_obj(dt);
714 LASSERT(osd_invariant(obj));
715 up_read(&obj->oo_sem);
718 static void osd_object_write_unlock(const struct lu_env *env,
719 struct dt_object *dt)
721 struct osd_object *obj = osd_dt_obj(dt);
723 LASSERT(osd_invariant(obj));
724 up_write(&obj->oo_sem);
727 static int osd_object_write_locked(const struct lu_env *env,
728 struct dt_object *dt)
730 struct osd_object *obj = osd_dt_obj(dt);
733 LASSERT(osd_invariant(obj));
735 if (down_write_trylock(&obj->oo_sem)) {
737 up_write(&obj->oo_sem);
742 static int osd_attr_get(const struct lu_env *env,
743 struct dt_object *dt,
744 struct lu_attr *attr)
746 struct osd_object *obj = osd_dt_obj(dt);
751 down_read(&obj->oo_guard);
753 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
754 GOTO(out, rc = -ENOENT);
756 LASSERT(osd_invariant(obj));
759 read_lock(&obj->oo_attr_lock);
760 *attr = obj->oo_attr;
761 if (obj->oo_lma_flags & LUSTRE_ORPHAN_FL)
762 attr->la_flags |= LUSTRE_ORPHAN_FL;
763 read_unlock(&obj->oo_attr_lock);
765 /* with ZFS_DEBUG zrl_add_debug() called by DB_DNODE_ENTER()
766 * from within sa_object_size() can block on a mutex, so
767 * we can't call sa_object_size() holding rwlock */
768 sa_object_size(obj->oo_sa_hdl, &blksize, &blocks);
769 /* we do not control size of indices, so always calculate
770 * it from number of blocks reported by DMU */
771 if (S_ISDIR(attr->la_mode))
772 attr->la_size = 512 * blocks;
773 /* Block size may be not set; suggest maximal I/O transfers. */
775 blksize = osd_spa_maxblocksize(
776 dmu_objset_spa(osd_obj2dev(obj)->od_os));
778 attr->la_blksize = blksize;
779 attr->la_blocks = blocks;
780 attr->la_valid |= LA_BLOCKS | LA_BLKSIZE;
783 up_read(&obj->oo_guard);
787 /* Simple wrapper on top of qsd API which implement quota transfer for osd
788 * setattr needs. As a reminder, only the root user can change ownership of
789 * a file, that's why EDQUOT & EINPROGRESS errors are discarded */
790 static inline int qsd_transfer(const struct lu_env *env,
791 struct qsd_instance *qsd,
792 struct lquota_trans *trans, int qtype,
793 __u64 orig_id, __u64 new_id, __u64 bspace,
794 struct lquota_id_info *qi)
798 if (unlikely(qsd == NULL))
801 LASSERT(qtype >= 0 && qtype < MAXQUOTAS);
802 qi->lqi_type = qtype;
804 /* inode accounting */
805 qi->lqi_is_blk = false;
807 /* one more inode for the new owner ... */
808 qi->lqi_id.qid_uid = new_id;
810 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
811 if (rc == -EDQUOT || rc == -EINPROGRESS)
816 /* and one less inode for the current id */
817 qi->lqi_id.qid_uid = orig_id;;
819 /* can't get EDQUOT when reducing usage */
820 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
821 if (rc == -EINPROGRESS)
826 /* block accounting */
827 qi->lqi_is_blk = true;
829 /* more blocks for the new owner ... */
830 qi->lqi_id.qid_uid = new_id;
831 qi->lqi_space = bspace;
832 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
833 if (rc == -EDQUOT || rc == -EINPROGRESS)
838 /* and finally less blocks for the current owner */
839 qi->lqi_id.qid_uid = orig_id;
840 qi->lqi_space = -bspace;
841 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
842 /* can't get EDQUOT when reducing usage */
843 if (rc == -EINPROGRESS)
848 static int osd_declare_attr_set(const struct lu_env *env,
849 struct dt_object *dt,
850 const struct lu_attr *attr,
851 struct thandle *handle)
853 struct osd_thread_info *info = osd_oti_get(env);
854 char *buf = osd_oti_get(env)->oti_str;
855 struct osd_object *obj = osd_dt_obj(dt);
856 struct osd_device *osd = osd_obj2dev(obj);
857 struct osd_thandle *oh;
864 LASSERT(handle != NULL);
865 LASSERT(osd_invariant(obj));
867 oh = container_of0(handle, struct osd_thandle, ot_super);
869 down_read(&obj->oo_guard);
870 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
873 LASSERT(obj->oo_sa_hdl != NULL);
874 LASSERT(oh->ot_tx != NULL);
875 dmu_tx_hold_sa(oh->ot_tx, obj->oo_sa_hdl, 0);
876 if (oh->ot_tx->tx_err != 0)
877 GOTO(out, rc = -oh->ot_tx->tx_err);
879 sa_object_size(obj->oo_sa_hdl, &blksize, &bspace);
880 bspace = toqb(bspace * blksize);
882 __osd_xattr_declare_set(env, obj, sizeof(struct lustre_mdt_attrs),
885 if (attr && attr->la_valid & LA_UID) {
886 /* account for user inode tracking ZAP update */
887 dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
888 dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, TRUE, buf);
890 /* quota enforcement for user */
891 if (attr->la_uid != obj->oo_attr.la_uid) {
892 rc = qsd_transfer(env, osd->od_quota_slave,
893 &oh->ot_quota_trans, USRQUOTA,
894 obj->oo_attr.la_uid, attr->la_uid,
895 bspace, &info->oti_qi);
900 if (attr && attr->la_valid & LA_GID) {
901 /* account for user inode tracking ZAP update */
902 dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
903 dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, TRUE, buf);
905 /* quota enforcement for group */
906 if (attr->la_gid != obj->oo_attr.la_gid) {
907 rc = qsd_transfer(env, osd->od_quota_slave,
908 &oh->ot_quota_trans, GRPQUOTA,
909 obj->oo_attr.la_gid, attr->la_gid,
910 bspace, &info->oti_qi);
917 up_read(&obj->oo_guard);
922 * Set the attributes of an object
924 * The transaction passed to this routine must have
925 * dmu_tx_hold_bonus(tx, oid) called and then assigned
926 * to a transaction group.
928 static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
929 const struct lu_attr *la, struct thandle *handle)
931 struct osd_thread_info *info = osd_oti_get(env);
932 struct osd_object *obj = osd_dt_obj(dt);
933 struct osd_device *osd = osd_obj2dev(obj);
934 struct osd_thandle *oh;
935 struct osa_attr *osa = &info->oti_osa;
936 sa_bulk_attr_t *bulk;
937 __u64 valid = la->la_valid;
943 down_read(&obj->oo_guard);
944 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
945 GOTO(out, rc = -ENOENT);
947 LASSERT(handle != NULL);
948 LASSERT(osd_invariant(obj));
949 LASSERT(obj->oo_sa_hdl);
951 oh = container_of0(handle, struct osd_thandle, ot_super);
952 /* Assert that the transaction has been assigned to a
953 transaction group. */
954 LASSERT(oh->ot_tx->tx_txg != 0);
956 /* Only allow set size for regular file */
957 if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
958 valid &= ~(LA_SIZE | LA_BLOCKS);
960 if (valid & LA_CTIME && la->la_ctime == obj->oo_attr.la_ctime)
963 if (valid & LA_MTIME && la->la_mtime == obj->oo_attr.la_mtime)
966 if (valid & LA_ATIME && la->la_atime == obj->oo_attr.la_atime)
972 if (valid & LA_FLAGS) {
973 struct lustre_mdt_attrs *lma;
976 if (la->la_flags & LUSTRE_LMA_FL_MASKS) {
977 CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
978 lma = (struct lustre_mdt_attrs *)&info->oti_buf;
980 buf.lb_len = sizeof(info->oti_buf);
981 rc = osd_xattr_get(env, &obj->oo_dt, &buf,
985 le32_to_cpu(lma->lma_incompat);
987 lustre_to_lma_flags(la->la_flags);
989 cpu_to_le32(lma->lma_incompat);
991 buf.lb_len = sizeof(*lma);
992 rc = osd_xattr_set_internal(env, obj, &buf,
998 CWARN("%s: failed to set LMA flags: rc = %d\n",
1005 OBD_ALLOC(bulk, sizeof(sa_bulk_attr_t) * 10);
1007 GOTO(out, rc = -ENOMEM);
1009 /* do both accounting updates outside oo_attr_lock below */
1010 if ((valid & LA_UID) && (la->la_uid != obj->oo_attr.la_uid)) {
1011 /* Update user accounting. Failure isn't fatal, but we still
1012 * log an error message */
1013 rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
1014 la->la_uid, 1, oh->ot_tx);
1016 CERROR("%s: failed to update accounting ZAP for user "
1017 "%d (%d)\n", osd->od_svname, la->la_uid, rc);
1018 rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
1019 obj->oo_attr.la_uid, -1, oh->ot_tx);
1021 CERROR("%s: failed to update accounting ZAP for user "
1022 "%d (%d)\n", osd->od_svname,
1023 obj->oo_attr.la_uid, rc);
1025 if ((valid & LA_GID) && (la->la_gid != obj->oo_attr.la_gid)) {
1026 /* Update group accounting. Failure isn't fatal, but we still
1027 * log an error message */
1028 rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
1029 la->la_gid, 1, oh->ot_tx);
1031 CERROR("%s: failed to update accounting ZAP for user "
1032 "%d (%d)\n", osd->od_svname, la->la_gid, rc);
1033 rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
1034 obj->oo_attr.la_gid, -1, oh->ot_tx);
1036 CERROR("%s: failed to update accounting ZAP for user "
1037 "%d (%d)\n", osd->od_svname,
1038 obj->oo_attr.la_gid, rc);
1041 write_lock(&obj->oo_attr_lock);
1043 if (valid & LA_ATIME) {
1044 osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
1045 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL,
1048 if (valid & LA_MTIME) {
1049 osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
1050 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL,
1053 if (valid & LA_CTIME) {
1054 osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
1055 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL,
1058 if (valid & LA_MODE) {
1059 /* mode is stored along with type, so read it first */
1060 obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
1061 (la->la_mode & ~S_IFMT);
1062 osa->mode = obj->oo_attr.la_mode;
1063 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL,
1066 if (valid & LA_SIZE) {
1067 osa->size = obj->oo_attr.la_size = la->la_size;
1068 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL,
1071 if (valid & LA_NLINK) {
1072 osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
1073 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL,
1076 if (valid & LA_RDEV) {
1077 osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
1078 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL,
1081 if (valid & LA_FLAGS) {
1082 osa->flags = attrs_fs2zfs(la->la_flags);
1083 /* many flags are not supported by zfs, so ensure a good cached
1085 obj->oo_attr.la_flags = attrs_zfs2fs(osa->flags);
1086 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL,
1089 if (valid & LA_UID) {
1090 osa->uid = obj->oo_attr.la_uid = la->la_uid;
1091 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL,
1094 if (valid & LA_GID) {
1095 osa->gid = obj->oo_attr.la_gid = la->la_gid;
1096 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL,
1099 obj->oo_attr.la_valid |= valid;
1100 write_unlock(&obj->oo_attr_lock);
1102 rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);
1104 OBD_FREE(bulk, sizeof(sa_bulk_attr_t) * 10);
1106 up_read(&obj->oo_guard);
1113 * XXX temporary solution.
1116 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1117 struct dt_object *parent, struct dt_object *child,
1122 ah->dah_parent = parent;
1123 ah->dah_mode = child_mode;
1126 static int osd_declare_object_create(const struct lu_env *env,
1127 struct dt_object *dt,
1128 struct lu_attr *attr,
1129 struct dt_allocation_hint *hint,
1130 struct dt_object_format *dof,
1131 struct thandle *handle)
1133 char *buf = osd_oti_get(env)->oti_str;
1134 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1135 struct osd_object *obj = osd_dt_obj(dt);
1136 struct osd_device *osd = osd_obj2dev(obj);
1137 struct osd_thandle *oh;
1144 switch (dof->dof_type) {
1148 if (obj->oo_dt.do_body_ops == NULL)
1149 obj->oo_dt.do_body_ops = &osd_body_ops;
1155 LASSERT(handle != NULL);
1156 oh = container_of0(handle, struct osd_thandle, ot_super);
1157 LASSERT(oh->ot_tx != NULL);
1159 switch (dof->dof_type) {
1161 dt->do_index_ops = &osd_dir_ops;
1163 /* for zap create */
1164 dmu_tx_hold_zap(oh->ot_tx, DMU_NEW_OBJECT, 1, NULL);
1169 /* first, we'll create new object */
1170 dmu_tx_hold_bonus(oh->ot_tx, DMU_NEW_OBJECT);
1178 /* and we'll add it to some mapping */
1179 zapid = osd_get_name_n_idx(env, osd, fid, buf);
1180 dmu_tx_hold_bonus(oh->ot_tx, zapid);
1181 dmu_tx_hold_zap(oh->ot_tx, zapid, TRUE, buf);
1183 /* we will also update inode accounting ZAPs */
1184 dmu_tx_hold_bonus(oh->ot_tx, osd->od_iusr_oid);
1185 dmu_tx_hold_zap(oh->ot_tx, osd->od_iusr_oid, TRUE, buf);
1186 dmu_tx_hold_bonus(oh->ot_tx, osd->od_igrp_oid);
1187 dmu_tx_hold_zap(oh->ot_tx, osd->od_igrp_oid, TRUE, buf);
1189 dmu_tx_hold_sa_create(oh->ot_tx, ZFS_SA_BASE_ATTR_SIZE);
1191 __osd_xattr_declare_set(env, obj, sizeof(struct lustre_mdt_attrs),
1192 XATTR_NAME_LMA, oh);
1194 rc = osd_declare_quota(env, osd, attr->la_uid, attr->la_gid, 1, oh,
1195 false, NULL, false);
1199 int __osd_attr_init(const struct lu_env *env, struct osd_device *osd,
1200 uint64_t oid, dmu_tx_t *tx, struct lu_attr *la,
1203 sa_bulk_attr_t *bulk;
1204 sa_handle_t *sa_hdl;
1205 struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
1213 gen = dmu_tx_get_txg(tx);
1215 ZFS_TIME_ENCODE(&now, crtime);
1217 osa->atime[0] = la->la_atime;
1218 osa->ctime[0] = la->la_ctime;
1219 osa->mtime[0] = la->la_mtime;
1220 osa->mode = la->la_mode;
1221 osa->uid = la->la_uid;
1222 osa->gid = la->la_gid;
1223 osa->rdev = la->la_rdev;
1224 osa->nlink = la->la_nlink;
1225 osa->flags = attrs_fs2zfs(la->la_flags);
1226 osa->size = la->la_size;
1228 /* Now add in all of the "SA" attributes */
1229 rc = -sa_handle_get(osd->od_os, oid, NULL, SA_HDL_PRIVATE, &sa_hdl);
1233 OBD_ALLOC(bulk, sizeof(sa_bulk_attr_t) * 13);
1239 * we need to create all SA below upon object create.
1241 * XXX The attribute order matters since the accounting callback relies
1242 * on static offsets (i.e. SA_*_OFFSET, see zfs_space_delta_cb()) to
1243 * look up the UID/GID attributes. Moreover, the callback does not seem
1244 * to support the spill block.
1245 * We define attributes in the same order as SA_*_OFFSET in order to
1246 * work around the problem. See ORI-610.
1249 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL, &osa->mode, 8);
1250 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL, &osa->size, 8);
1251 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GEN(osd), NULL, &gen, 8);
1252 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL, &osa->uid, 8);
1253 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL, &osa->gid, 8);
1254 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PARENT(osd), NULL, &parent, 8);
1255 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL, &osa->flags, 8);
1256 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL, osa->atime, 16);
1257 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL, osa->mtime, 16);
1258 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL, osa->ctime, 16);
1259 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CRTIME(osd), NULL, crtime, 16);
1260 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL, &osa->nlink, 8);
1261 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL, &osa->rdev, 8);
1263 rc = -sa_replace_all_by_template(sa_hdl, bulk, cnt, tx);
1265 OBD_FREE(bulk, sizeof(sa_bulk_attr_t) * 13);
1267 sa_handle_destroy(sa_hdl);
1272 * The transaction passed to this routine must have
1273 * dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT) called and then assigned
1274 * to a transaction group.
1276 int __osd_object_create(const struct lu_env *env, struct osd_object *obj,
1277 dmu_buf_t **dbp, dmu_tx_t *tx, struct lu_attr *la,
1282 struct osd_device *osd = osd_obj2dev(obj);
1283 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
1284 dmu_object_type_t type = DMU_OT_PLAIN_FILE_CONTENTS;
1286 /* Assert that the transaction has been assigned to a
1287 transaction group. */
1288 LASSERT(tx->tx_txg != 0);
1290 /* Use DMU_OTN_UINT8_METADATA for local objects so their data blocks
1291 * would get an additional ditto copy */
1292 if (unlikely(S_ISREG(la->la_mode) &&
1293 fid_seq_is_local_file(fid_seq(fid))))
1294 type = DMU_OTN_UINT8_METADATA;
1296 /* Create a new DMU object. */
1297 oid = dmu_object_alloc(osd->od_os, type, 0,
1298 DMU_OT_SA, DN_MAX_BONUSLEN, tx);
1299 rc = -sa_buf_hold(osd->od_os, oid, osd_obj_tag, dbp);
1300 LASSERTF(rc == 0, "sa_buf_hold "LPU64" failed: %d\n", oid, rc);
1302 LASSERT(la->la_valid & LA_MODE);
1306 rc = __osd_attr_init(env, osd, oid, tx, la, parent);
1308 sa_buf_rele(*dbp, osd_obj_tag);
1310 dmu_object_free(osd->od_os, oid, tx);
1318 * The transaction passed to this routine must have
1319 * dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, ...) called and then assigned
1320 * to a transaction group.
1322 * Using ZAP_FLAG_HASH64 will force the ZAP to always be a FAT ZAP.
1323 * This is fine for directories today, because storing the FID in the dirent
1324 * will also require a FAT ZAP. If there is a new type of micro ZAP created
1325 * then we might need to re-evaluate the use of this flag and instead do
1326 * a conversion from the different internal ZAP hash formats being used. */
1327 int __osd_zap_create(const struct lu_env *env, struct osd_device *osd,
1328 dmu_buf_t **zap_dbp, dmu_tx_t *tx,
1329 struct lu_attr *la, uint64_t parent, zap_flags_t flags)
1334 /* Assert that the transaction has been assigned to a
1335 transaction group. */
1336 LASSERT(tx->tx_txg != 0);
1338 oid = zap_create_flags(osd->od_os, 0, flags | ZAP_FLAG_HASH64,
1339 DMU_OT_DIRECTORY_CONTENTS,
1340 14, /* == ZFS fzap_default_block_shift */
1341 DN_MAX_INDBLKSHIFT, /* indirect block shift */
1342 DMU_OT_SA, DN_MAX_BONUSLEN, tx);
1344 rc = -sa_buf_hold(osd->od_os, oid, osd_obj_tag, zap_dbp);
1348 LASSERT(la->la_valid & LA_MODE);
1352 return __osd_attr_init(env, osd, oid, tx, la, parent);
1355 static dmu_buf_t *osd_mkidx(const struct lu_env *env, struct osd_object *obj,
1356 struct lu_attr *la, uint64_t parent,
1357 struct osd_thandle *oh)
1362 /* Index file should be created as regular file in order not to confuse
1363 * ZPL which could interpret them as directory.
1364 * We set ZAP_FLAG_UINT64_KEY to let ZFS know than we are going to use
1366 LASSERT(S_ISREG(la->la_mode));
1367 rc = __osd_zap_create(env, osd_obj2dev(obj), &db, oh->ot_tx, la, parent,
1368 ZAP_FLAG_UINT64_KEY);
1374 static dmu_buf_t *osd_mkdir(const struct lu_env *env, struct osd_object *obj,
1375 struct lu_attr *la, uint64_t parent,
1376 struct osd_thandle *oh)
1381 LASSERT(S_ISDIR(la->la_mode));
1382 rc = __osd_zap_create(env, osd_obj2dev(obj), &db,
1383 oh->ot_tx, la, parent, 0);
1389 static dmu_buf_t *osd_mkreg(const struct lu_env *env, struct osd_object *obj,
1390 struct lu_attr *la, uint64_t parent,
1391 struct osd_thandle *oh)
1393 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
1396 struct osd_device *osd = osd_obj2dev(obj);
1398 LASSERT(S_ISREG(la->la_mode));
1399 rc = __osd_object_create(env, obj, &db, oh->ot_tx, la, parent);
1404 * XXX: This heuristic is non-optimal. It would be better to
1405 * increase the blocksize up to osd->od_max_blksz during the write.
1406 * This is exactly how the ZPL behaves and it ensures that the right
1407 * blocksize is selected based on the file size rather than the
1408 * making broad assumptions based on the osd type.
1410 if ((fid_is_idif(fid) || fid_is_norm(fid)) && osd->od_is_ost) {
1411 rc = -dmu_object_set_blocksize(osd->od_os, db->db_object,
1412 osd->od_max_blksz, 0, oh->ot_tx);
1414 CERROR("%s: can't change blocksize: %d\n",
1415 osd->od_svname, rc);
1423 static dmu_buf_t *osd_mksym(const struct lu_env *env, struct osd_object *obj,
1424 struct lu_attr *la, uint64_t parent,
1425 struct osd_thandle *oh)
1430 LASSERT(S_ISLNK(la->la_mode));
1431 rc = __osd_object_create(env, obj, &db, oh->ot_tx, la, parent);
1437 static dmu_buf_t *osd_mknod(const struct lu_env *env, struct osd_object *obj,
1438 struct lu_attr *la, uint64_t parent,
1439 struct osd_thandle *oh)
1444 la->la_valid = LA_MODE;
1445 if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode))
1446 la->la_valid |= LA_RDEV;
1448 rc = __osd_object_create(env, obj, &db, oh->ot_tx, la, parent);
1454 typedef dmu_buf_t *(*osd_obj_type_f)(const struct lu_env *env,
1455 struct osd_object *obj,
1458 struct osd_thandle *oh);
1460 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1462 osd_obj_type_f result;
1488 * Primitives for directory (i.e. ZAP) handling
1490 static inline int osd_init_lma(const struct lu_env *env, struct osd_object *obj,
1491 const struct lu_fid *fid, struct osd_thandle *oh)
1493 struct osd_thread_info *info = osd_oti_get(env);
1494 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
1498 lustre_lma_init(lma, fid, 0, 0);
1499 lustre_lma_swab(lma);
1501 buf.lb_len = sizeof(*lma);
1503 rc = osd_xattr_set_internal(env, obj, &buf, XATTR_NAME_LMA,
1504 LU_XATTR_CREATE, oh);
1510 * Concurrency: @dt is write locked.
1512 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
1513 struct lu_attr *attr,
1514 struct dt_allocation_hint *hint,
1515 struct dt_object_format *dof,
1518 struct zpl_direntry *zde = &osd_oti_get(env)->oti_zde.lzd_reg;
1519 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1520 struct osd_object *obj = osd_dt_obj(dt);
1521 struct osd_device *osd = osd_obj2dev(obj);
1522 char *buf = osd_oti_get(env)->oti_str;
1523 struct osd_thandle *oh;
1530 /* concurrent create declarations should not see
1531 * the object inconsistent (db, attr, etc).
1532 * in regular cases acquisition should be cheap */
1533 down_write(&obj->oo_guard);
1535 if (unlikely(dt_object_exists(dt)))
1536 GOTO(out, rc = -EEXIST);
1538 LASSERT(osd_invariant(obj));
1539 LASSERT(dof != NULL);
1541 LASSERT(th != NULL);
1542 oh = container_of0(th, struct osd_thandle, ot_super);
1545 * XXX missing: Quote handling.
1548 LASSERT(obj->oo_db == NULL);
1550 /* to follow ZFS on-disk format we need
1551 * to initialize parent dnode properly */
1553 if (hint != NULL && hint->dah_parent != NULL &&
1554 !dt_object_remote(hint->dah_parent))
1555 zapid = osd_dt_obj(hint->dah_parent)->oo_db->db_object;
1557 db = osd_create_type_f(dof->dof_type)(env, obj, attr, zapid, oh);
1559 GOTO(out, rc = PTR_ERR(db));
1562 zde->zde_dnode = db->db_object;
1563 zde->zde_type = IFTODT(attr->la_mode & S_IFMT);
1565 zapid = osd_get_name_n_idx(env, osd, fid, buf);
1567 rc = -zap_add(osd->od_os, zapid, buf, 8, 1, zde, oh->ot_tx);
1571 /* Add new object to inode accounting.
1572 * Errors are not considered as fatal */
1573 rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
1574 (attr->la_valid & LA_UID) ? attr->la_uid : 0, 1,
1577 CERROR("%s: failed to add "DFID" to accounting ZAP for usr %d "
1578 "(%d)\n", osd->od_svname, PFID(fid), attr->la_uid, rc);
1579 rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
1580 (attr->la_valid & LA_GID) ? attr->la_gid : 0, 1,
1583 CERROR("%s: failed to add "DFID" to accounting ZAP for grp %d "
1584 "(%d)\n", osd->od_svname, PFID(fid), attr->la_gid, rc);
1586 /* configure new osd object */
1588 rc = osd_object_init0(env, obj);
1589 LASSERT(ergo(rc == 0, dt_object_exists(dt)));
1590 LASSERT(osd_invariant(obj));
1592 rc = osd_init_lma(env, obj, fid, oh);
1594 CERROR("%s: can not set LMA on "DFID": rc = %d\n",
1595 osd->od_svname, PFID(fid), rc);
1598 up_write(&obj->oo_guard);
1602 static int osd_declare_object_ref_add(const struct lu_env *env,
1603 struct dt_object *dt,
1606 return osd_declare_attr_set(env, dt, NULL, th);
1610 * Concurrency: @dt is write locked.
1612 static int osd_object_ref_add(const struct lu_env *env,
1613 struct dt_object *dt,
1614 struct thandle *handle)
1616 struct osd_object *obj = osd_dt_obj(dt);
1617 struct osd_thandle *oh;
1618 struct osd_device *osd = osd_obj2dev(obj);
1624 down_read(&obj->oo_guard);
1625 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1626 GOTO(out, rc = -ENOENT);
1628 LASSERT(osd_invariant(obj));
1629 LASSERT(obj->oo_sa_hdl != NULL);
1631 oh = container_of0(handle, struct osd_thandle, ot_super);
1633 write_lock(&obj->oo_attr_lock);
1634 nlink = ++obj->oo_attr.la_nlink;
1635 write_unlock(&obj->oo_attr_lock);
1637 rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1640 up_read(&obj->oo_guard);
1644 static int osd_declare_object_ref_del(const struct lu_env *env,
1645 struct dt_object *dt,
1646 struct thandle *handle)
1648 return osd_declare_attr_set(env, dt, NULL, handle);
1652 * Concurrency: @dt is write locked.
1654 static int osd_object_ref_del(const struct lu_env *env,
1655 struct dt_object *dt,
1656 struct thandle *handle)
1658 struct osd_object *obj = osd_dt_obj(dt);
1659 struct osd_thandle *oh;
1660 struct osd_device *osd = osd_obj2dev(obj);
1666 down_read(&obj->oo_guard);
1668 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1669 GOTO(out, rc = -ENOENT);
1671 LASSERT(osd_invariant(obj));
1672 LASSERT(obj->oo_sa_hdl != NULL);
1674 oh = container_of0(handle, struct osd_thandle, ot_super);
1675 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
1677 write_lock(&obj->oo_attr_lock);
1678 nlink = --obj->oo_attr.la_nlink;
1679 write_unlock(&obj->oo_attr_lock);
1681 rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1684 up_read(&obj->oo_guard);
1688 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
1689 __u64 start, __u64 end)
1691 struct osd_device *osd = osd_obj2dev(osd_dt_obj(dt));
1694 /* XXX: no other option than syncing the whole filesystem until we
1695 * support ZIL. If the object tracked the txg that it was last
1696 * modified in, it could pass that txg here instead of "0". Maybe
1697 * the changes are already committed, so no wait is needed at all? */
1698 txg_wait_synced(dmu_objset_pool(osd->od_os), 0ULL);
1703 static struct dt_object_operations osd_obj_ops = {
1704 .do_read_lock = osd_object_read_lock,
1705 .do_write_lock = osd_object_write_lock,
1706 .do_read_unlock = osd_object_read_unlock,
1707 .do_write_unlock = osd_object_write_unlock,
1708 .do_write_locked = osd_object_write_locked,
1709 .do_attr_get = osd_attr_get,
1710 .do_declare_attr_set = osd_declare_attr_set,
1711 .do_attr_set = osd_attr_set,
1712 .do_ah_init = osd_ah_init,
1713 .do_declare_create = osd_declare_object_create,
1714 .do_create = osd_object_create,
1715 .do_declare_destroy = osd_declare_object_destroy,
1716 .do_destroy = osd_object_destroy,
1717 .do_index_try = osd_index_try,
1718 .do_declare_ref_add = osd_declare_object_ref_add,
1719 .do_ref_add = osd_object_ref_add,
1720 .do_declare_ref_del = osd_declare_object_ref_del,
1721 .do_ref_del = osd_object_ref_del,
1722 .do_xattr_get = osd_xattr_get,
1723 .do_declare_xattr_set = osd_declare_xattr_set,
1724 .do_xattr_set = osd_xattr_set,
1725 .do_declare_xattr_del = osd_declare_xattr_del,
1726 .do_xattr_del = osd_xattr_del,
1727 .do_xattr_list = osd_xattr_list,
1728 .do_object_sync = osd_object_sync,
1731 static struct lu_object_operations osd_lu_obj_ops = {
1732 .loo_object_init = osd_object_init,
1733 .loo_object_delete = osd_object_delete,
1734 .loo_object_release = osd_object_release,
1735 .loo_object_free = osd_object_free,
1736 .loo_object_print = osd_object_print,
1737 .loo_object_invariant = osd_object_invariant,
1740 static int osd_otable_it_attr_get(const struct lu_env *env,
1741 struct dt_object *dt,
1742 struct lu_attr *attr)
1748 static struct dt_object_operations osd_obj_otable_it_ops = {
1749 .do_attr_get = osd_otable_it_attr_get,
1750 .do_index_try = osd_index_try,