4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/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 <libcfs/libcfs.h>
42 #include <obd_support.h>
43 #include <lustre_net.h>
45 #include <obd_class.h>
46 #include <lustre_disk.h>
47 #include <lustre_fid.h>
49 #include "osd_internal.h"
51 #include <sys/dnode.h>
56 #include <sys/spa_impl.h>
57 #include <sys/zfs_znode.h>
58 #include <sys/dmu_tx.h>
59 #include <sys/dmu_objset.h>
60 #include <sys/dsl_prop.h>
61 #include <sys/sa_impl.h>
64 char *osd_obj_tag = "osd_object";
65 static int osd_object_sync_delay_us = -1;
67 static struct dt_object_operations osd_obj_ops;
68 static struct lu_object_operations osd_lu_obj_ops;
69 static struct dt_object_operations osd_obj_otable_it_ops;
72 osd_object_sa_fini(struct osd_object *obj)
75 sa_handle_destroy(obj->oo_sa_hdl);
76 obj->oo_sa_hdl = NULL;
81 osd_object_sa_init(struct osd_object *obj, struct osd_device *o)
85 LASSERT(obj->oo_sa_hdl == NULL);
86 LASSERT(obj->oo_dn != NULL);
88 rc = osd_sa_handle_get(obj);
92 /* Cache the xattr object id, valid for the life of the object */
93 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_XATTR(o), &obj->oo_xattr, 8);
95 obj->oo_xattr = ZFS_NO_OBJECT;
98 osd_object_sa_fini(obj);
105 * Add object to list of dirty objects in tx handle.
107 void osd_object_sa_dirty_add(struct osd_object *obj, struct osd_thandle *oh)
109 if (!list_empty(&obj->oo_sa_linkage))
112 write_lock(&obj->oo_attr_lock);
113 if (likely(list_empty(&obj->oo_sa_linkage)))
114 list_add(&obj->oo_sa_linkage, &oh->ot_sa_list);
115 write_unlock(&obj->oo_attr_lock);
119 * Release spill block dbuf hold for all dirty SAs.
121 void osd_object_sa_dirty_rele(const struct lu_env *env, struct osd_thandle *oh)
123 struct osd_object *obj;
125 while (!list_empty(&oh->ot_sa_list)) {
126 obj = list_entry(oh->ot_sa_list.next,
127 struct osd_object, oo_sa_linkage);
128 write_lock(&obj->oo_attr_lock);
129 list_del_init(&obj->oo_sa_linkage);
130 write_unlock(&obj->oo_attr_lock);
131 if (obj->oo_late_xattr) {
133 * take oo_guard to protect oo_sa_xattr buffer
134 * from concurrent update by osd_xattr_set()
136 LASSERT(oh->ot_assigned != 0);
137 down_write(&obj->oo_guard);
138 if (obj->oo_late_attr_set)
139 __osd_sa_attr_init(env, obj, oh);
140 else if (obj->oo_late_xattr)
141 __osd_sa_xattr_update(env, obj, oh);
142 up_write(&obj->oo_guard);
144 sa_spill_rele(obj->oo_sa_hdl);
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 static 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;
190 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
195 LASSERT(obj->oo_dn != NULL);
197 la->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE | LA_TYPE |
198 LA_SIZE | LA_UID | LA_GID | LA_FLAGS | LA_NLINK;
200 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(o), NULL, osa->atime, 16);
201 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(o), NULL, osa->mtime, 16);
202 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(o), NULL, osa->ctime, 16);
203 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(o), NULL, &osa->mode, 8);
204 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(o), NULL, &osa->size, 8);
205 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(o), NULL, &osa->nlink, 8);
206 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(o), NULL, &osa->uid, 8);
207 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(o), NULL, &osa->gid, 8);
208 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(o), NULL, &osa->flags, 8);
209 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
211 rc = -sa_bulk_lookup(obj->oo_sa_hdl, bulk, cnt);
215 #ifdef ZFS_PROJINHERIT
216 if (o->od_projectused_dn && osa->flags & ZFS_PROJID) {
217 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_PROJID(o),
222 la->la_projid = osa->projid;
223 la->la_valid |= LA_PROJID;
224 obj->oo_with_projid = 1;
226 la->la_projid = ZFS_DEFAULT_PROJID;
227 la->la_valid &= ~LA_PROJID;
231 la->la_valid &= ~LA_PROJID;
234 la->la_atime = osa->atime[0];
235 la->la_mtime = osa->mtime[0];
236 la->la_ctime = osa->ctime[0];
237 la->la_mode = osa->mode;
238 la->la_uid = osa->uid;
239 la->la_gid = osa->gid;
240 la->la_nlink = osa->nlink;
241 la->la_flags = attrs_zfs2fs(osa->flags);
242 la->la_size = osa->size;
244 /* Try to get extra flag from LMA. Right now, only LMAI_ORPHAN
245 * flags is stored in LMA, and it is only for orphan directory */
246 if (S_ISDIR(la->la_mode) && dt_object_exists(&obj->oo_dt)) {
247 struct osd_thread_info *info = osd_oti_get(env);
248 struct lustre_mdt_attrs *lma;
251 lma = (struct lustre_mdt_attrs *)info->oti_buf;
253 buf.lb_len = sizeof(info->oti_buf);
254 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
257 lma->lma_incompat = le32_to_cpu(lma->lma_incompat);
259 lma_to_lustre_flags(lma->lma_incompat);
261 } else if (rc == -ENODATA) {
266 if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode)) {
267 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_RDEV(o), &osa->rdev, 8);
270 la->la_rdev = osa->rdev;
271 la->la_valid |= LA_RDEV;
278 int __osd_obj2dnode(objset_t *os, uint64_t oid, dnode_t **dnp)
284 rc = -dmu_bonus_hold(os, oid, osd_obj_tag, &db);
288 dbi = (dmu_buf_impl_t *)db;
290 *dnp = DB_DNODE(dbi);
292 LASSERT(*dnp != 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);
310 struct lu_object_header *h;
311 struct osd_device *o = osd_dev(d);
313 l = &mo->oo_dt.do_lu;
314 if (unlikely(o->od_in_init)) {
321 lu_object_header_init(h);
322 lu_object_init(l, h, d);
323 lu_object_add_top(h, l);
326 dt_object_init(&mo->oo_dt, NULL, d);
327 mo->oo_header = NULL;
330 mo->oo_dt.do_ops = &osd_obj_ops;
331 l->lo_ops = &osd_lu_obj_ops;
332 INIT_LIST_HEAD(&mo->oo_sa_linkage);
333 INIT_LIST_HEAD(&mo->oo_unlinked_linkage);
334 init_rwsem(&mo->oo_sem);
335 init_rwsem(&mo->oo_guard);
336 rwlock_init(&mo->oo_attr_lock);
337 mo->oo_destroy = OSD_DESTROY_NONE;
344 static void osd_obj_set_blksize(const struct lu_env *env,
345 struct osd_device *osd, struct osd_object *obj)
347 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
349 dnode_t *dn = obj->oo_dn;
354 LASSERT(!osd_oti_get(env)->oti_in_trans);
356 tx = dmu_tx_create(osd->od_os);
358 CERROR("%s: fail to create tx to set blksize for "DFID"\n",
359 osd->od_svname, PFID(fid));
363 dmu_tx_hold_bonus(tx, dn->dn_object);
364 rc = -dmu_tx_assign(tx, TXG_WAIT);
367 CERROR("%s: fail to assign tx to set blksize for "DFID
368 ": rc = %d\n", osd->od_svname, PFID(fid), rc);
372 down_write(&obj->oo_guard);
373 if (unlikely((1 << dn->dn_datablkshift) >= PAGE_SIZE))
376 blksz = dn->dn_datablksz;
377 if (!is_power_of_2(blksz))
378 blksz = size_roundup_power2(blksz);
380 if (blksz > osd->od_max_blksz)
381 blksz = osd->od_max_blksz;
382 else if (blksz < PAGE_SIZE)
384 rc = -dmu_object_set_blocksize(osd->od_os, dn->dn_object, blksz, 0, tx);
389 up_write(&obj->oo_guard);
392 if (unlikely(obj->oo_dn->dn_maxblkid > 0))
395 CERROR("%s: fail to set blksize for "DFID": rc = %d\n",
396 osd->od_svname, PFID(fid), rc);
399 CDEBUG(D_INODE, "%s: set blksize as %u for "DFID"\n",
400 osd->od_svname, blksz, PFID(fid));
405 * Concurrency: shouldn't matter.
407 static int osd_object_init0(const struct lu_env *env, struct osd_object *obj)
409 struct osd_device *osd = osd_obj2dev(obj);
410 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
416 rc = osd_object_sa_init(obj, osd);
420 /* cache attrs in object */
421 rc = __osd_object_attr_get(env, osd, obj, &obj->oo_attr);
425 if (likely(!fid_is_acct(fid))) {
426 /* no body operations for accounting objects */
427 obj->oo_dt.do_body_ops = &osd_body_ops;
429 if (S_ISREG(obj->oo_attr.la_mode) &&
430 obj->oo_dn->dn_maxblkid == 0 &&
431 (1 << obj->oo_dn->dn_datablkshift) < PAGE_SIZE &&
432 (fid_is_idif(fid) || fid_is_norm(fid) ||
434 osd->od_is_ost && !osd->od_dt_dev.dd_rdonly)
435 osd_obj_set_blksize(env, osd, obj);
439 * initialize object before marking it existing
441 obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
444 obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
449 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
451 struct osd_thread_info *info = osd_oti_get(env);
454 struct lustre_mdt_attrs *lma;
455 const struct lu_fid *rfid = lu_object_fid(&obj->oo_dt.do_lu);
458 BUILD_BUG_ON(sizeof(info->oti_buf) < sizeof(*lma));
459 lma = (struct lustre_mdt_attrs *)info->oti_buf;
461 buf.lb_len = sizeof(info->oti_buf);
463 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
466 lustre_lma_swab(lma);
467 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
468 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
469 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
470 "fid = "DFID"\n", osd_obj2dev(obj)->od_svname,
471 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
474 } else if (unlikely(!lu_fid_eq(rfid, &lma->lma_self_fid))) {
475 CERROR("%s: FID-in-LMA "DFID" does not match the "
476 "object self-fid "DFID"\n",
477 osd_obj2dev(obj)->od_svname,
478 PFID(&lma->lma_self_fid), PFID(rfid));
481 struct osd_device *osd = osd_obj2dev(obj);
483 if (lma->lma_compat & LMAC_STRIPE_INFO &&
485 obj->oo_pfid_in_lma = 1;
486 if (unlikely(lma->lma_incompat & LMAI_REMOTE_PARENT) &&
487 osd->od_remote_parent_dir != ZFS_NO_OBJECT)
488 lu_object_set_agent_entry(&obj->oo_dt.do_lu);
490 } else if (rc == -ENODATA) {
491 /* haven't initialize LMA xattr */
499 * Helper function to retrieve DMU object id from fid for accounting object
501 static dnode_t *osd_quota_fid2dmu(const struct osd_device *osd,
502 const struct lu_fid *fid)
506 LASSERT(fid_is_acct(fid));
508 switch (fid_oid(fid)) {
510 dn = osd->od_userused_dn;
513 dn = osd->od_groupused_dn;
515 #ifdef ZFS_PROJINHERIT
516 case ACCT_PROJECT_OID:
517 dn = osd->od_projectused_dn;
528 * Concurrency: no concurrent access is possible that early in object
531 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
532 const struct lu_object_conf *conf)
534 struct osd_object *obj = osd_obj(l);
535 struct osd_device *osd = osd_obj2dev(obj);
536 const struct lu_fid *fid = lu_object_fid(l);
537 struct lustre_scrub *scrub = &osd->od_scrub;
538 struct osd_thread_info *info = osd_oti_get(env);
539 struct luz_direntry *zde = &info->oti_zde;
540 struct osd_idmap_cache *idc;
541 char *name = info->oti_str;
548 LASSERT(osd_invariant(obj));
550 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
551 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
552 l->lo_header->loh_attr |= LOHA_EXISTS;
557 if (conf && conf->loc_flags & LOC_F_NEW)
560 if (unlikely(fid_is_acct(fid))) {
561 obj->oo_dn = osd_quota_fid2dmu(osd, fid);
563 obj->oo_dt.do_index_ops = &osd_acct_index_ops;
564 l->lo_header->loh_attr |= LOHA_EXISTS;
570 idc = osd_idc_find(env, osd, fid);
571 if (idc && !idc->oic_remote && idc->oic_dnode != ZFS_NO_OBJECT) {
572 oid = idc->oic_dnode;
577 if (!list_empty(&osd->od_scrub.os_inconsistent_items))
578 rc = osd_oii_lookup(osd, fid, &oid);
581 rc = osd_fid_lookup(env, osd, fid, &oid);
584 if (likely(!(fid_is_norm(fid) || fid_is_igif(fid)) ||
585 fid_is_on_ost(env, osd, fid) ||
586 !zfs_test_bit(osd_oi_fid2idx(osd, fid),
587 scrub->os_file.sf_oi_bitmap)))
598 LASSERT(obj->oo_dn == NULL);
600 rc = __osd_obj2dnode(osd->od_os, oid, &obj->oo_dn);
601 /* EEXIST will be returned if object is being deleted in ZFS */
606 CERROR("%s: lookup "DFID"/%#llx failed: rc = %d\n",
607 osd->od_svname, PFID(lu_object_fid(l)), oid, rc);
611 rc = osd_object_init0(env, obj);
615 if (unlikely(obj->oo_header))
618 rc = osd_check_lma(env, obj);
619 if ((!rc && !remote) || (rc != -EREMCHG))
623 /* We still have chance to get the valid dnode: for the object that is
624 * referenced by remote name entry, the object on the local MDT will be
625 * linked under the dir /REMOTE_PARENT_DIR with its FID string as name.
627 * During the OI scrub, if we cannot find the OI mapping, we may still
628 * have change to map the FID to local OID via lookup the dir
629 * /REMOTE_PARENT_DIR. */
630 if (!remote && !fid_is_on_ost(env, osd, fid)) {
631 osd_fid2str(name, fid, sizeof(info->oti_str));
632 rc = osd_zap_lookup(osd, osd->od_remote_parent_dir,
633 NULL, name, 8, 3, (void *)zde);
635 oid = zde->lzd_reg.zde_dnode;
636 osd_dnode_rele(obj->oo_dn);
643 /* The case someone triggered the OI scrub already. */
644 if (thread_is_running(&scrub->os_thread)) {
648 lu_object_set_agent_entry(l);
649 osd_oii_insert(env, osd, fid, oid, false);
657 /* The case NOT allow to trigger OI scrub automatically. */
658 if (osd->od_auto_scrub_interval == AS_NEVER)
661 /* It is me to trigger the OI scrub. */
662 rc1 = osd_scrub_start(env, osd, SS_CLEAR_DRYRUN |
663 SS_CLEAR_FAILOUT | SS_AUTO_FULL);
664 LCONSOLE_WARN("%s: trigger OI scrub by RPC for the "DFID": rc = %d\n",
665 osd_name(osd), PFID(fid), rc1);
669 lu_object_set_agent_entry(l);
671 osd_oii_insert(env, osd, fid, oid, false);
686 * Concurrency: no concurrent access is possible that late in object
689 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
691 struct osd_object *obj = osd_obj(l);
692 struct lu_object_header *h = obj->oo_header;
694 LASSERT(osd_invariant(obj));
696 dt_object_fini(&obj->oo_dt);
697 OBD_SLAB_FREE_PTR(obj, osd_object_kmem);
699 lu_object_header_fini(h);
705 osd_object_unlinked_add(struct osd_object *obj, struct osd_thandle *oh)
709 LASSERT(obj->oo_destroy == OSD_DESTROY_ASYNC);
711 /* the object is supposed to be exclusively locked by
712 * the caller (osd_destroy()), while the transaction
713 * (oh) is per-thread and not shared */
714 if (likely(list_empty(&obj->oo_unlinked_linkage))) {
715 list_add(&obj->oo_unlinked_linkage, &oh->ot_unlinked_list);
722 /* Default to max data size covered by a level-1 indirect block */
723 static unsigned long osd_sync_destroy_max_size =
724 1UL << (DN_MAX_INDBLKSHIFT - SPA_BLKPTRSHIFT + SPA_MAXBLOCKSHIFT);
725 module_param(osd_sync_destroy_max_size, ulong, 0444);
726 MODULE_PARM_DESC(osd_sync_destroy_max_size, "Maximum object size to use synchronous destroy.");
729 osd_object_set_destroy_type(struct osd_object *obj)
732 * Lock-less OST_WRITE can race with OST_DESTROY, so set destroy type
733 * only once and use it consistently thereafter.
735 down_write(&obj->oo_guard);
736 if (obj->oo_destroy == OSD_DESTROY_NONE) {
737 if (obj->oo_attr.la_size <= osd_sync_destroy_max_size)
738 obj->oo_destroy = OSD_DESTROY_SYNC;
739 else /* Larger objects are destroyed asynchronously */
740 obj->oo_destroy = OSD_DESTROY_ASYNC;
742 up_write(&obj->oo_guard);
745 static int osd_declare_destroy(const struct lu_env *env, struct dt_object *dt,
748 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
749 struct osd_object *obj = osd_dt_obj(dt);
750 struct osd_device *osd = osd_obj2dev(obj);
751 struct osd_thandle *oh;
758 LASSERT(dt_object_exists(dt));
760 oh = container_of0(th, struct osd_thandle, ot_super);
761 LASSERT(oh->ot_tx != NULL);
763 dmu_tx_mark_netfree(oh->ot_tx);
765 /* declare that we'll remove object from fid-dnode mapping */
766 zapid = osd_get_name_n_idx(env, osd, fid, NULL, 0, &dn);
767 osd_tx_hold_zap(oh->ot_tx, zapid, dn, FALSE, NULL);
769 osd_declare_xattrs_destroy(env, obj, oh);
772 rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
773 obj->oo_attr.la_gid, obj->oo_attr.la_projid,
774 -1, oh, NULL, OSD_QID_INODE);
778 /* data to be truncated */
779 rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
780 obj->oo_attr.la_gid, obj->oo_attr.la_projid,
781 0, oh, NULL, OSD_QID_BLK);
785 osd_object_set_destroy_type(obj);
786 if (obj->oo_destroy == OSD_DESTROY_SYNC)
787 dmu_tx_hold_free(oh->ot_tx, obj->oo_dn->dn_object,
790 osd_tx_hold_zap(oh->ot_tx, osd->od_unlinked->dn_object,
791 osd->od_unlinked, TRUE, NULL);
793 /* remove agent entry (if have) from remote parent */
794 if (lu_object_has_agent_entry(&obj->oo_dt.do_lu))
795 osd_tx_hold_zap(oh->ot_tx, osd->od_remote_parent_dir,
798 /* will help to find FID->ino when this object is being
799 * added to PENDING/ */
800 osd_idc_find_and_init(env, osd, obj);
805 static int osd_destroy(const struct lu_env *env, struct dt_object *dt,
808 struct osd_thread_info *info = osd_oti_get(env);
809 char *buf = info->oti_str;
810 struct osd_object *obj = osd_dt_obj(dt);
811 struct osd_device *osd = osd_obj2dev(obj);
812 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
813 struct osd_thandle *oh;
819 down_write(&obj->oo_guard);
821 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
822 GOTO(out, rc = -ENOENT);
824 LASSERT(obj->oo_dn != NULL);
826 oh = container_of0(th, struct osd_thandle, ot_super);
828 LASSERT(oh->ot_tx != NULL);
830 /* remove obj ref from index dir (it depends) */
831 zapid = osd_get_name_n_idx(env, osd, fid, buf,
832 sizeof(info->oti_str), &zdn);
833 rc = osd_xattrs_destroy(env, obj, oh);
835 CERROR("%s: cannot destroy xattrs for %s: rc = %d\n",
836 osd->od_svname, buf, rc);
840 if (lu_object_has_agent_entry(&obj->oo_dt.do_lu)) {
841 rc = osd_delete_from_remote_parent(env, osd, obj, oh, true);
846 oid = obj->oo_dn->dn_object;
847 if (unlikely(obj->oo_destroy == OSD_DESTROY_NONE)) {
848 /* this may happen if the destroy wasn't declared
849 * e.g. when the object is created and then destroyed
850 * in the same transaction - we don't need additional
851 * space for destroy specifically */
852 LASSERT(obj->oo_attr.la_size <= osd_sync_destroy_max_size);
853 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
855 CERROR("%s: failed to free %s %llu: rc = %d\n",
856 osd->od_svname, buf, oid, rc);
857 } else if (obj->oo_destroy == OSD_DESTROY_SYNC) {
858 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
860 CERROR("%s: failed to free %s %llu: rc = %d\n",
861 osd->od_svname, buf, oid, rc);
862 } else { /* asynchronous destroy */
863 char *key = info->oti_key;
865 rc = osd_object_unlinked_add(obj, oh);
869 snprintf(key, sizeof(info->oti_key), "%llx", oid);
870 rc = osd_zap_add(osd, osd->od_unlinked->dn_object,
871 osd->od_unlinked, key, 8, 1, &oid, oh->ot_tx);
873 CERROR("%s: zap_add_int() failed %s %llu: rc = %d\n",
874 osd->od_svname, buf, oid, rc);
877 /* Remove the OI mapping after the destroy to handle the race with
878 * OI scrub that may insert missed OI mapping during the interval. */
879 rc = osd_zap_remove(osd, zapid, zdn, buf, oh->ot_tx);
880 if (unlikely(rc == -ENOENT))
883 CERROR("%s: zap_remove(%s) failed: rc = %d\n",
884 osd->od_svname, buf, rc);
889 /* not needed in the cache anymore */
890 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
892 obj->oo_destroyed = 1;
893 up_write(&obj->oo_guard);
897 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
899 struct osd_object *obj = osd_obj(l);
900 const struct lu_fid *fid = lu_object_fid(l);
903 if (likely(!fid_is_acct(fid))) {
904 osd_object_sa_fini(obj);
905 if (obj->oo_sa_xattr) {
906 nvlist_free(obj->oo_sa_xattr);
907 obj->oo_sa_xattr = NULL;
909 osd_dnode_rele(obj->oo_dn);
910 list_del(&obj->oo_sa_linkage);
917 * Concurrency: ->loo_object_release() is called under site spin-lock.
919 static void osd_object_release(const struct lu_env *env,
925 * Concurrency: shouldn't matter.
927 static int osd_object_print(const struct lu_env *env, void *cookie,
928 lu_printer_t p, const struct lu_object *l)
930 struct osd_object *o = osd_obj(l);
932 return (*p)(env, cookie, LUSTRE_OSD_ZFS_NAME"-object@%p", o);
935 static void osd_read_lock(const struct lu_env *env, struct dt_object *dt,
938 struct osd_object *obj = osd_dt_obj(dt);
940 LASSERT(osd_invariant(obj));
942 down_read_nested(&obj->oo_sem, role);
945 static void osd_write_lock(const struct lu_env *env, struct dt_object *dt,
948 struct osd_object *obj = osd_dt_obj(dt);
950 LASSERT(osd_invariant(obj));
952 down_write_nested(&obj->oo_sem, role);
955 static void osd_read_unlock(const struct lu_env *env, struct dt_object *dt)
957 struct osd_object *obj = osd_dt_obj(dt);
959 LASSERT(osd_invariant(obj));
960 up_read(&obj->oo_sem);
963 static void osd_write_unlock(const struct lu_env *env, struct dt_object *dt)
965 struct osd_object *obj = osd_dt_obj(dt);
967 LASSERT(osd_invariant(obj));
968 up_write(&obj->oo_sem);
971 static int osd_write_locked(const struct lu_env *env, struct dt_object *dt)
973 struct osd_object *obj = osd_dt_obj(dt);
976 LASSERT(osd_invariant(obj));
978 if (down_write_trylock(&obj->oo_sem)) {
980 up_write(&obj->oo_sem);
985 static int osd_attr_get(const struct lu_env *env, struct dt_object *dt,
986 struct lu_attr *attr)
988 struct osd_object *obj = osd_dt_obj(dt);
993 down_read(&obj->oo_guard);
995 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
996 GOTO(out, rc = -ENOENT);
998 if (unlikely(fid_is_acct(lu_object_fid(&dt->do_lu))))
1001 LASSERT(osd_invariant(obj));
1002 LASSERT(obj->oo_dn);
1004 read_lock(&obj->oo_attr_lock);
1005 *attr = obj->oo_attr;
1006 if (obj->oo_lma_flags & LUSTRE_ORPHAN_FL) {
1007 attr->la_valid |= LA_FLAGS;
1008 attr->la_flags |= LUSTRE_ORPHAN_FL;
1010 read_unlock(&obj->oo_attr_lock);
1011 if (attr->la_valid & LA_FLAGS && attr->la_flags & LUSTRE_ORPHAN_FL)
1012 CDEBUG(D_INFO, "%s: set orphan flag on "DFID" (%llx/%x)\n",
1013 osd_obj2dev(obj)->od_svname,
1014 PFID(lu_object_fid(&dt->do_lu)),
1015 attr->la_valid, obj->oo_lma_flags);
1017 /* with ZFS_DEBUG zrl_add_debug() called by DB_DNODE_ENTER()
1018 * from within sa_object_size() can block on a mutex, so
1019 * we can't call sa_object_size() holding rwlock */
1020 sa_object_size(obj->oo_sa_hdl, &blksize, &blocks);
1021 /* we do not control size of indices, so always calculate
1022 * it from number of blocks reported by DMU */
1023 if (S_ISDIR(attr->la_mode))
1024 attr->la_size = 512 * blocks;
1025 /* Block size may be not set; suggest maximal I/O transfers. */
1027 blksize = osd_spa_maxblocksize(
1028 dmu_objset_spa(osd_obj2dev(obj)->od_os));
1030 attr->la_blksize = blksize;
1031 attr->la_blocks = blocks;
1032 attr->la_valid |= LA_BLOCKS | LA_BLKSIZE;
1035 up_read(&obj->oo_guard);
1039 /* Simple wrapper on top of qsd API which implement quota transfer for osd
1040 * setattr needs. As a reminder, only the root user can change ownership of
1041 * a file, that's why EDQUOT & EINPROGRESS errors are discarded */
1042 static inline int qsd_transfer(const struct lu_env *env,
1043 struct qsd_instance *qsd,
1044 struct lquota_trans *trans, int qtype,
1045 __u64 orig_id, __u64 new_id, __u64 bspace,
1046 struct lquota_id_info *qi, bool ignore_edquot)
1050 if (unlikely(qsd == NULL))
1053 LASSERT(qtype >= 0 && qtype < LL_MAXQUOTAS);
1054 qi->lqi_type = qtype;
1056 /* inode accounting */
1057 qi->lqi_is_blk = false;
1059 /* one more inode for the new owner ... */
1060 qi->lqi_id.qid_uid = new_id;
1062 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
1063 if (ignore_edquot && (rc == -EDQUOT || rc == -EINPROGRESS))
1068 /* and one less inode for the current id */
1069 qi->lqi_id.qid_uid = orig_id;;
1071 /* can't get EDQUOT when reducing usage */
1072 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
1073 if (rc == -EINPROGRESS)
1078 /* block accounting */
1079 qi->lqi_is_blk = true;
1081 /* more blocks for the new owner ... */
1082 qi->lqi_id.qid_uid = new_id;
1083 qi->lqi_space = bspace;
1084 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
1085 if (ignore_edquot && (rc == -EDQUOT || rc == -EINPROGRESS))
1090 /* and finally less blocks for the current owner */
1091 qi->lqi_id.qid_uid = orig_id;
1092 qi->lqi_space = -bspace;
1093 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
1094 /* can't get EDQUOT when reducing usage */
1095 if (rc == -EINPROGRESS)
1100 static int osd_declare_attr_set(const struct lu_env *env,
1101 struct dt_object *dt,
1102 const struct lu_attr *attr,
1103 struct thandle *handle)
1105 struct osd_thread_info *info = osd_oti_get(env);
1106 struct osd_object *obj = osd_dt_obj(dt);
1107 struct osd_device *osd = osd_obj2dev(obj);
1109 struct osd_thandle *oh;
1117 LASSERT(handle != NULL);
1118 LASSERT(osd_invariant(obj));
1120 oh = container_of0(handle, struct osd_thandle, ot_super);
1122 down_read(&obj->oo_guard);
1123 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1126 LASSERT(obj->oo_sa_hdl != NULL);
1127 LASSERT(oh->ot_tx != NULL);
1128 /* regular attributes are part of the bonus buffer */
1129 /* let's check whether this object is already part of
1132 for (txh = list_head(&oh->ot_tx->tx_holds); txh;
1133 txh = list_next(&oh->ot_tx->tx_holds, txh)) {
1134 if (txh->txh_dnode == NULL)
1136 if (txh->txh_dnode->dn_object != obj->oo_dn->dn_object)
1138 /* this object is part of the transaction already
1139 * we don't need to declare bonus again */
1144 dmu_tx_hold_bonus(oh->ot_tx, obj->oo_dn->dn_object);
1145 if (oh->ot_tx->tx_err != 0)
1146 GOTO(out, rc = -oh->ot_tx->tx_err);
1148 if (attr && attr->la_valid & LA_FLAGS) {
1149 /* LMA is usually a part of bonus, no need to declare
1153 if (attr && (attr->la_valid & (LA_UID | LA_GID | LA_PROJID))) {
1154 sa_object_size(obj->oo_sa_hdl, &blksize, &bspace);
1155 bspace = toqb(bspace * 512);
1158 "%s: enforce quota on UID %u, GID %u, the quota space is %lld (%u)\n",
1160 attr->la_uid, attr->la_gid, bspace, blksize);
1163 if (attr && attr->la_valid & LA_UID) {
1164 /* quota enforcement for user */
1165 if (attr->la_uid != obj->oo_attr.la_uid) {
1166 rc = qsd_transfer(env, osd_def_qsd(osd),
1167 &oh->ot_quota_trans, USRQUOTA,
1168 obj->oo_attr.la_uid, attr->la_uid,
1169 bspace, &info->oti_qi, true);
1174 if (attr && attr->la_valid & LA_GID) {
1175 /* quota enforcement for group */
1176 if (attr->la_gid != obj->oo_attr.la_gid) {
1177 rc = qsd_transfer(env, osd_def_qsd(osd),
1178 &oh->ot_quota_trans, GRPQUOTA,
1179 obj->oo_attr.la_gid, attr->la_gid,
1180 bspace, &info->oti_qi,
1182 LUSTRE_SET_SYNC_FL));
1187 #ifdef ZFS_PROJINHERIT
1188 if (attr && attr->la_valid & LA_PROJID) {
1189 /* quota enforcement for project */
1190 if (attr->la_projid != obj->oo_attr.la_projid) {
1191 if (!osd->od_projectused_dn)
1192 GOTO(out, rc = -EOPNOTSUPP);
1194 /* Usually, if project quota is upgradable for the
1195 * device, then the upgrade will be done before or when
1196 * mount the device. So when we come here, this project
1197 * should have project ID attribute already (that is
1198 * zero by default). Otherwise, there was something
1199 * wrong during the former upgrade, let's return failure
1202 * Please note that, different from other attributes,
1203 * you can NOT simply set the project ID attribute under
1204 * such case, because adding (NOT change) project ID
1205 * attribute needs to change the object's attribute
1206 * layout to match zfs backend quota accounting
1208 if (unlikely(!obj->oo_with_projid))
1209 GOTO(out, rc = -ENXIO);
1211 rc = qsd_transfer(env, osd_def_qsd(osd),
1212 &oh->ot_quota_trans, PRJQUOTA,
1213 obj->oo_attr.la_projid,
1214 attr->la_projid, bspace,
1215 &info->oti_qi, true);
1222 up_read(&obj->oo_guard);
1227 * Set the attributes of an object
1229 * The transaction passed to this routine must have
1230 * dmu_tx_hold_bonus(tx, oid) called and then assigned
1231 * to a transaction group.
1233 static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
1234 const struct lu_attr *la, struct thandle *handle)
1236 struct osd_thread_info *info = osd_oti_get(env);
1237 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
1238 struct osd_object *obj = osd_dt_obj(dt);
1239 struct osd_device *osd = osd_obj2dev(obj);
1240 struct osd_thandle *oh;
1241 struct osa_attr *osa = &info->oti_osa;
1242 __u64 valid = la->la_valid;
1248 down_read(&obj->oo_guard);
1249 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1250 GOTO(out, rc = -ENOENT);
1252 LASSERT(handle != NULL);
1253 LASSERT(osd_invariant(obj));
1254 LASSERT(obj->oo_sa_hdl);
1256 oh = container_of0(handle, struct osd_thandle, ot_super);
1257 /* Assert that the transaction has been assigned to a
1258 transaction group. */
1259 LASSERT(oh->ot_tx->tx_txg != 0);
1261 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING) && !osd->od_is_ost) {
1262 struct zpl_direntry *zde = &info->oti_zde.lzd_reg;
1263 char *buf = info->oti_str;
1264 dnode_t *zdn = NULL;
1267 zapid = osd_get_name_n_idx(env, osd, lu_object_fid(&dt->do_lu),
1268 buf, sizeof(info->oti_str), &zdn);
1269 rc = osd_zap_lookup(osd, zapid, zdn, buf, 8,
1270 sizeof(*zde) / 8, zde);
1272 zde->zde_dnode -= 1;
1273 rc = -zap_update(osd->od_os, zapid, buf, 8,
1274 sizeof(*zde) / 8, zde, oh->ot_tx);
1281 /* Only allow set size for regular file */
1282 if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
1283 valid &= ~(LA_SIZE | LA_BLOCKS);
1285 if (valid & LA_CTIME && la->la_ctime == obj->oo_attr.la_ctime)
1288 if (valid & LA_MTIME && la->la_mtime == obj->oo_attr.la_mtime)
1291 if (valid & LA_ATIME && la->la_atime == obj->oo_attr.la_atime)
1297 if (valid & LA_FLAGS) {
1298 struct lustre_mdt_attrs *lma;
1302 if (la->la_flags & LUSTRE_LMA_FL_MASKS) {
1303 LASSERT(!obj->oo_pfid_in_lma);
1304 BUILD_BUG_ON(sizeof(info->oti_buf) < sizeof(*lma));
1305 lma = (struct lustre_mdt_attrs *)&info->oti_buf;
1307 buf.lb_len = sizeof(info->oti_buf);
1309 /* Please do NOT call osd_xattr_get() directly, that
1310 * will cause recursive down_read() on oo_guard. */
1311 rc = osd_xattr_get_internal(env, obj, &buf,
1312 XATTR_NAME_LMA, &size);
1313 if (!rc && unlikely(size < sizeof(*lma))) {
1317 le32_to_cpu(lma->lma_incompat);
1318 lma->lma_incompat |=
1319 lustre_to_lma_flags(la->la_flags);
1321 cpu_to_le32(lma->lma_incompat);
1323 buf.lb_len = sizeof(*lma);
1324 rc = osd_xattr_set_internal(env, obj, &buf,
1330 CWARN("%s: failed to set LMA flags: rc = %d\n",
1331 osd->od_svname, rc);
1337 write_lock(&obj->oo_attr_lock);
1340 if (valid & LA_PROJID) {
1341 #ifdef ZFS_PROJINHERIT
1342 if (osd->od_projectused_dn) {
1343 LASSERT(obj->oo_with_projid);
1345 osa->projid = obj->oo_attr.la_projid = la->la_projid;
1346 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PROJID(osd), NULL,
1350 valid &= ~LA_PROJID;
1353 if (valid & LA_ATIME) {
1354 osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
1355 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL,
1358 if (valid & LA_MTIME) {
1359 osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
1360 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL,
1363 if (valid & LA_CTIME) {
1364 osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
1365 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL,
1368 if (valid & LA_MODE) {
1369 /* mode is stored along with type, so read it first */
1370 obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
1371 (la->la_mode & ~S_IFMT);
1372 osa->mode = obj->oo_attr.la_mode;
1373 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL,
1376 if (valid & LA_SIZE) {
1377 osa->size = obj->oo_attr.la_size = la->la_size;
1378 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL,
1381 if (valid & LA_NLINK) {
1382 osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
1383 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL,
1386 if (valid & LA_RDEV) {
1387 osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
1388 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL,
1391 if (valid & LA_FLAGS) {
1392 osa->flags = attrs_fs2zfs(la->la_flags);
1393 /* many flags are not supported by zfs, so ensure a good cached
1395 obj->oo_attr.la_flags = attrs_zfs2fs(osa->flags);
1396 #ifdef ZFS_PROJINHERIT
1397 if (obj->oo_with_projid && osd->od_projectused_dn)
1398 osa->flags |= ZFS_PROJID;
1400 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL,
1403 if (valid & LA_UID) {
1404 osa->uid = obj->oo_attr.la_uid = la->la_uid;
1405 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL,
1408 if (valid & LA_GID) {
1409 osa->gid = obj->oo_attr.la_gid = la->la_gid;
1410 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL,
1413 obj->oo_attr.la_valid |= valid;
1414 write_unlock(&obj->oo_attr_lock);
1416 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
1417 rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);
1420 up_read(&obj->oo_guard);
1427 * XXX temporary solution.
1430 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1431 struct dt_object *parent, struct dt_object *child,
1436 ah->dah_parent = parent;
1437 ah->dah_mode = child_mode;
1439 if (parent != NULL && !dt_object_remote(parent)) {
1440 /* will help to find FID->ino at dt_insert("..") */
1441 struct osd_object *pobj = osd_dt_obj(parent);
1443 osd_idc_find_and_init(env, osd_obj2dev(pobj), pobj);
1447 static int osd_declare_create(const struct lu_env *env, struct dt_object *dt,
1448 struct lu_attr *attr,
1449 struct dt_allocation_hint *hint,
1450 struct dt_object_format *dof,
1451 struct thandle *handle)
1453 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1454 struct osd_object *obj = osd_dt_obj(dt);
1455 struct osd_device *osd = osd_obj2dev(obj);
1456 struct osd_thandle *oh;
1464 switch (dof->dof_type) {
1468 if (obj->oo_dt.do_body_ops == NULL)
1469 obj->oo_dt.do_body_ops = &osd_body_ops;
1475 LASSERT(handle != NULL);
1476 oh = container_of0(handle, struct osd_thandle, ot_super);
1477 LASSERT(oh->ot_tx != NULL);
1479 /* this is the minimum set of EAs on every Lustre object */
1480 obj->oo_ea_in_bonus = OSD_BASE_EA_IN_BONUS;
1481 /* reserve 32 bytes for extra stuff like ACLs */
1482 dnode_size = size_roundup_power2(obj->oo_ea_in_bonus + 32);
1484 switch (dof->dof_type) {
1486 dt->do_index_ops = &osd_dir_ops;
1489 /* for zap create */
1490 dmu_tx_hold_zap(oh->ot_tx, DMU_NEW_OBJECT, FALSE, NULL);
1491 dmu_tx_hold_sa_create(oh->ot_tx, dnode_size);
1496 /* first, we'll create new object */
1497 dmu_tx_hold_sa_create(oh->ot_tx, dnode_size);
1505 /* and we'll add it to some mapping */
1506 zapid = osd_get_name_n_idx(env, osd, fid, NULL, 0, &dn);
1507 osd_tx_hold_zap(oh->ot_tx, zapid, dn, TRUE, NULL);
1509 /* will help to find FID->ino mapping at dt_insert() */
1510 osd_idc_find_and_init(env, osd, obj);
1512 rc = osd_declare_quota(env, osd, attr->la_uid, attr->la_gid,
1513 attr->la_projid, 1, oh, NULL, OSD_QID_INODE);
1518 int __osd_attr_init(const struct lu_env *env, struct osd_device *osd,
1519 struct osd_object *obj, sa_handle_t *sa_hdl, dmu_tx_t *tx,
1520 struct lu_attr *la, uint64_t parent,
1523 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
1524 struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
1527 inode_timespec_t now;
1530 char *dxattr = NULL;
1536 gen = dmu_tx_get_txg(tx);
1538 ZFS_TIME_ENCODE(&now, crtime);
1540 osa->atime[0] = la->la_atime;
1541 osa->ctime[0] = la->la_ctime;
1542 osa->mtime[0] = la->la_mtime;
1543 osa->mode = la->la_mode;
1544 osa->uid = la->la_uid;
1545 osa->gid = la->la_gid;
1546 osa->rdev = la->la_rdev;
1547 osa->nlink = la->la_nlink;
1548 if (la->la_valid & LA_FLAGS)
1549 osa->flags = attrs_fs2zfs(la->la_flags);
1552 osa->size = la->la_size;
1553 #ifdef ZFS_PROJINHERIT
1554 if (osd->od_projectused_dn) {
1555 if (la->la_valid & LA_PROJID)
1556 osa->projid = la->la_projid;
1558 osa->projid = ZFS_DEFAULT_PROJID;
1559 osa->flags |= ZFS_PROJID;
1561 obj->oo_with_projid = 1;
1563 osa->flags &= ~ZFS_PROJID;
1568 * we need to create all SA below upon object create.
1570 * XXX The attribute order matters since the accounting callback relies
1571 * on static offsets (i.e. SA_*_OFFSET, see zfs_space_delta_cb()) to
1572 * look up the UID/GID/PROJID attributes. Moreover, the callback does
1573 * not seem to support the spill block.
1574 * We define attributes in the same order as SA_*_OFFSET in order to
1575 * work around the problem. See ORI-610.
1578 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL, &osa->mode, 8);
1579 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL, &osa->size, 8);
1580 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GEN(osd), NULL, &gen, 8);
1581 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL, &osa->uid, 8);
1582 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL, &osa->gid, 8);
1583 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PARENT(osd), NULL, &parent, 8);
1584 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL, &osa->flags, 8);
1585 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL, osa->atime, 16);
1586 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL, osa->mtime, 16);
1587 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL, osa->ctime, 16);
1588 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CRTIME(osd), NULL, crtime, 16);
1589 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL, &osa->nlink, 8);
1590 #ifdef ZFS_PROJINHERIT
1591 if (osd->od_projectused_dn)
1592 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PROJID(osd), NULL,
1595 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL, &osa->rdev, 8);
1596 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
1599 rc = -nvlist_size(xattr, &sa_size, NV_ENCODE_XDR);
1602 dxattr = osd_zio_buf_alloc(sa_size);
1605 rc = -nvlist_pack(xattr, &dxattr, &sa_size,
1606 NV_ENCODE_XDR, KM_SLEEP);
1609 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_DXATTR(osd),
1610 NULL, dxattr, sa_size);
1613 rc = -sa_replace_all_by_template(sa_hdl, bulk, cnt, tx);
1615 osd_zio_buf_free(dxattr, sa_size);
1620 int osd_find_new_dnode(const struct lu_env *env, dmu_tx_t *tx,
1621 uint64_t oid, dnode_t **dnp)
1626 /* take dnode_t from tx to save on dnode#->dnode_t lookup */
1627 for (txh = list_tail(&tx->tx_holds); txh;
1628 txh = list_prev(&tx->tx_holds, txh)) {
1629 dnode_t *dn = txh->txh_dnode;
1634 if (dn->dn_object != oid)
1638 rw_enter(&dn->dn_struct_rwlock, RW_WRITER);
1639 if (dn->dn_bonus == NULL)
1640 dbuf_create_bonus(dn);
1641 rw_exit(&dn->dn_struct_rwlock);
1645 LASSERT(dn->dn_handle);
1647 if (zfs_refcount_add(&db->db_holds, osd_obj_tag) == 1) {
1648 zfs_refcount_add(&dn->dn_holds, osd_obj_tag);
1649 atomic_inc_32(&dn->dn_dbufs_count);
1653 dbuf_read(db, NULL, DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH);
1657 if (unlikely(*dnp == NULL))
1658 rc = __osd_obj2dnode(tx->tx_objset, oid, dnp);
1663 #ifdef HAVE_DMU_OBJECT_ALLOC_DNSIZE
1664 int osd_find_dnsize(struct osd_device *osd, int ea_in_bonus)
1668 if (osd->od_dnsize == ZFS_DNSIZE_AUTO) {
1669 dnsize = DNODE_MIN_SIZE;
1671 if (DN_BONUS_SIZE(dnsize) >= ea_in_bonus + 32)
1674 } while (dnsize < DNODE_MAX_SIZE);
1675 if (dnsize > DNODE_MAX_SIZE)
1676 dnsize = DNODE_MAX_SIZE;
1677 } else if (osd->od_dnsize == ZFS_DNSIZE_1K) {
1679 } else if (osd->od_dnsize == ZFS_DNSIZE_2K) {
1681 } else if (osd->od_dnsize == ZFS_DNSIZE_4K) {
1683 } else if (osd->od_dnsize == ZFS_DNSIZE_8K) {
1685 } else if (osd->od_dnsize == ZFS_DNSIZE_16K) {
1688 dnsize = DNODE_MIN_SIZE;
1695 * The transaction passed to this routine must have
1696 * dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT) called and then assigned
1697 * to a transaction group.
1699 int __osd_object_create(const struct lu_env *env, struct osd_device *osd,
1700 struct osd_object *obj, const struct lu_fid *fid,
1701 dnode_t **dnp, dmu_tx_t *tx, struct lu_attr *la)
1703 dmu_object_type_t type = DMU_OT_PLAIN_FILE_CONTENTS;
1707 /* Use DMU_OTN_UINT8_METADATA for local objects so their data blocks
1708 * would get an additional ditto copy */
1709 if (unlikely(S_ISREG(la->la_mode) &&
1710 fid_seq_is_local_file(fid_seq(fid))))
1711 type = DMU_OTN_UINT8_METADATA;
1713 /* Create a new DMU object using the default dnode size. */
1715 size = obj->oo_ea_in_bonus;
1717 size = OSD_BASE_EA_IN_BONUS;
1718 oid = osd_dmu_object_alloc(osd->od_os, type, 0,
1719 osd_find_dnsize(osd, size), tx);
1721 LASSERT(la->la_valid & LA_MODE);
1725 return osd_find_new_dnode(env, tx, oid, dnp);
1729 * The transaction passed to this routine must have
1730 * dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, ...) called and then assigned
1731 * to a transaction group.
1733 * Using ZAP_FLAG_HASH64 will force the ZAP to always be a FAT ZAP.
1734 * This is fine for directories today, because storing the FID in the dirent
1735 * will also require a FAT ZAP. If there is a new type of micro ZAP created
1736 * then we might need to re-evaluate the use of this flag and instead do
1737 * a conversion from the different internal ZAP hash formats being used. */
1738 int __osd_zap_create(const struct lu_env *env, struct osd_device *osd,
1739 dnode_t **dnp, dmu_tx_t *tx, struct lu_attr *la,
1740 unsigned dnsize, zap_flags_t flags)
1744 /* Assert that the transaction has been assigned to a
1745 transaction group. */
1746 LASSERT(tx->tx_txg != 0);
1749 oid = osd_zap_create_flags(osd->od_os, 0, flags | ZAP_FLAG_HASH64,
1750 DMU_OT_DIRECTORY_CONTENTS,
1751 14, /* == ZFS fzap_default_blockshift */
1752 DN_MAX_INDBLKSHIFT, /* indirect blockshift */
1758 return osd_find_new_dnode(env, tx, oid, dnp);
1761 static dnode_t *osd_mkidx(const struct lu_env *env, struct osd_object *obj,
1762 struct lu_attr *la, struct osd_thandle *oh)
1764 struct osd_device *osd = osd_obj2dev(obj);
1768 /* Index file should be created as regular file in order not to confuse
1769 * ZPL which could interpret them as directory.
1770 * We set ZAP_FLAG_UINT64_KEY to let ZFS know than we are going to use
1772 LASSERT(S_ISREG(la->la_mode));
1773 rc = __osd_zap_create(env, osd, &dn, oh->ot_tx, la,
1774 osd_find_dnsize(osd, obj->oo_ea_in_bonus), ZAP_FLAG_UINT64_KEY);
1780 static dnode_t *osd_mkdir(const struct lu_env *env, struct osd_object *obj,
1781 struct lu_attr *la, struct osd_thandle *oh)
1783 struct osd_device *osd = osd_obj2dev(obj);
1787 LASSERT(S_ISDIR(la->la_mode));
1788 rc = __osd_zap_create(env, osd, &dn, oh->ot_tx, la,
1789 osd_find_dnsize(osd, obj->oo_ea_in_bonus), 0);
1795 static dnode_t *osd_mkreg(const struct lu_env *env, struct osd_object *obj,
1796 struct lu_attr *la, struct osd_thandle *oh)
1798 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
1799 struct osd_device *osd = osd_obj2dev(obj);
1803 LASSERT(S_ISREG(la->la_mode));
1804 rc = __osd_object_create(env, osd, obj, fid, &dn, oh->ot_tx, la);
1808 if ((fid_is_idif(fid) || fid_is_norm(fid) || fid_is_echo(fid))) {
1809 /* The minimum block size must be at least page size otherwise
1810 * it will break the assumption in tgt_thread_big_cache where
1811 * the array size is PTLRPC_MAX_BRW_PAGES. It will also affect
1812 * RDMA due to subpage transfer size */
1813 rc = -dmu_object_set_blocksize(osd->od_os, dn->dn_object,
1814 PAGE_SIZE, 0, oh->ot_tx);
1816 CERROR("%s: can't change blocksize: %d\n",
1817 osd->od_svname, rc);
1820 } else if ((fid_is_llog(fid))) {
1821 rc = -dmu_object_set_blocksize(osd->od_os, dn->dn_object,
1822 LLOG_MIN_CHUNK_SIZE, 0, oh->ot_tx);
1824 CERROR("%s: can't change blocksize: %d\n",
1825 osd->od_svname, rc);
1833 static dnode_t *osd_mksym(const struct lu_env *env, struct osd_object *obj,
1834 struct lu_attr *la, struct osd_thandle *oh)
1839 LASSERT(S_ISLNK(la->la_mode));
1840 rc = __osd_object_create(env, osd_obj2dev(obj), obj,
1841 lu_object_fid(&obj->oo_dt.do_lu),
1842 &dn, oh->ot_tx, la);
1848 static dnode_t *osd_mknod(const struct lu_env *env, struct osd_object *obj,
1849 struct lu_attr *la, struct osd_thandle *oh)
1854 if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode))
1855 la->la_valid |= LA_RDEV;
1857 rc = __osd_object_create(env, osd_obj2dev(obj), obj,
1858 lu_object_fid(&obj->oo_dt.do_lu),
1859 &dn, oh->ot_tx, la);
1865 typedef dnode_t *(*osd_obj_type_f)(const struct lu_env *env,
1866 struct osd_object *obj,
1868 struct osd_thandle *oh);
1870 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1872 osd_obj_type_f result;
1898 * Concurrency: @dt is write locked.
1900 static int osd_create(const struct lu_env *env, struct dt_object *dt,
1901 struct lu_attr *attr, struct dt_allocation_hint *hint,
1902 struct dt_object_format *dof, struct thandle *th)
1904 struct osd_thread_info *info = osd_oti_get(env);
1905 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
1906 struct zpl_direntry *zde = &info->oti_zde.lzd_reg;
1907 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1908 struct osd_object *obj = osd_dt_obj(dt);
1909 struct osd_device *osd = osd_obj2dev(obj);
1910 char *buf = info->oti_str;
1911 struct osd_thandle *oh;
1912 dnode_t *dn = NULL, *zdn = NULL;
1913 uint64_t zapid, parent = 0;
1919 LASSERT(!fid_is_acct(fid));
1921 /* concurrent create declarations should not see
1922 * the object inconsistent (db, attr, etc).
1923 * in regular cases acquisition should be cheap */
1924 down_write(&obj->oo_guard);
1926 if (unlikely(dt_object_exists(dt)))
1927 GOTO(out, rc = -EEXIST);
1929 LASSERT(osd_invariant(obj));
1930 LASSERT(dof != NULL);
1932 LASSERT(th != NULL);
1933 oh = container_of0(th, struct osd_thandle, ot_super);
1935 LASSERT(obj->oo_dn == NULL);
1937 /* to follow ZFS on-disk format we need
1938 * to initialize parent dnode properly */
1939 if (hint != NULL && hint->dah_parent != NULL &&
1940 !dt_object_remote(hint->dah_parent))
1941 parent = osd_dt_obj(hint->dah_parent)->oo_dn->dn_object;
1943 /* we may fix some attributes, better do not change the source */
1944 obj->oo_attr = *attr;
1945 obj->oo_attr.la_valid |= LA_SIZE | LA_NLINK | LA_TYPE;
1947 #ifdef ZFS_PROJINHERIT
1948 if (osd->od_projectused_dn) {
1949 if (!(obj->oo_attr.la_valid & LA_PROJID))
1950 obj->oo_attr.la_projid = ZFS_DEFAULT_PROJID;
1951 obj->oo_with_projid = 1;
1955 dn = osd_create_type_f(dof->dof_type)(env, obj, &obj->oo_attr, oh);
1963 zde->zde_dnode = dn->dn_object;
1964 zde->zde_type = IFTODT(attr->la_mode & S_IFMT);
1966 zapid = osd_get_name_n_idx(env, osd, fid, buf,
1967 sizeof(info->oti_str), &zdn);
1968 if (CFS_FAIL_CHECK(OBD_FAIL_OSD_NO_OI_ENTRY) ||
1969 (osd->od_is_ost && OBD_FAIL_CHECK(OBD_FAIL_OSD_COMPAT_NO_ENTRY)))
1972 if (osd->od_is_ost && OBD_FAIL_CHECK(OBD_FAIL_OSD_COMPAT_INVALID_ENTRY))
1975 rc = osd_zap_add(osd, zapid, zdn, buf, 8, 1, zde, oh->ot_tx);
1981 /* Now add in all of the "SA" attributes */
1982 rc = osd_sa_handle_get(obj);
1986 rc = -nvlist_alloc(&obj->oo_sa_xattr, NV_UNIQUE_NAME, KM_SLEEP);
1990 /* initialize LMA */
1991 if (fid_is_idif(fid) || (fid_is_norm(fid) && osd->od_is_ost))
1992 compat |= LMAC_FID_ON_OST;
1993 lustre_lma_init(lma, fid, compat, 0);
1994 lustre_lma_swab(lma);
1995 rc = -nvlist_add_byte_array(obj->oo_sa_xattr, XATTR_NAME_LMA,
1996 (uchar_t *)lma, sizeof(*lma));
2000 /* configure new osd object */
2001 obj->oo_parent = parent != 0 ? parent : zapid;
2002 obj->oo_late_attr_set = 1;
2003 rc = __osd_sa_xattr_schedule_update(env, obj, oh);
2007 /* XXX: oo_lma_flags */
2008 obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
2009 if (likely(!fid_is_acct(lu_object_fid(&obj->oo_dt.do_lu))))
2010 /* no body operations for accounting objects */
2011 obj->oo_dt.do_body_ops = &osd_body_ops;
2013 osd_idc_find_and_init(env, osd, obj);
2016 if (unlikely(rc && dn)) {
2017 dmu_object_free(osd->od_os, dn->dn_object, oh->ot_tx);
2021 obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
2023 up_write(&obj->oo_guard);
2027 static int osd_declare_ref_add(const struct lu_env *env, struct dt_object *dt,
2030 osd_idc_find_and_init(env, osd_dev(dt->do_lu.lo_dev), osd_dt_obj(dt));
2031 return osd_declare_attr_set(env, dt, NULL, th);
2035 * Concurrency: @dt is write locked.
2037 static int osd_ref_add(const struct lu_env *env, struct dt_object *dt,
2038 struct thandle *handle)
2040 struct osd_object *obj = osd_dt_obj(dt);
2041 struct osd_thandle *oh;
2042 struct osd_device *osd = osd_obj2dev(obj);
2048 down_read(&obj->oo_guard);
2049 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
2050 GOTO(out, rc = -ENOENT);
2052 LASSERT(osd_invariant(obj));
2053 LASSERT(obj->oo_sa_hdl != NULL);
2055 oh = container_of0(handle, struct osd_thandle, ot_super);
2057 write_lock(&obj->oo_attr_lock);
2058 nlink = ++obj->oo_attr.la_nlink;
2059 write_unlock(&obj->oo_attr_lock);
2061 rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
2064 up_read(&obj->oo_guard);
2068 static int osd_declare_ref_del(const struct lu_env *env, struct dt_object *dt,
2069 struct thandle *handle)
2071 osd_idc_find_and_init(env, osd_dev(dt->do_lu.lo_dev), osd_dt_obj(dt));
2072 return osd_declare_attr_set(env, dt, NULL, handle);
2076 * Concurrency: @dt is write locked.
2078 static int osd_ref_del(const struct lu_env *env, struct dt_object *dt,
2079 struct thandle *handle)
2081 struct osd_object *obj = osd_dt_obj(dt);
2082 struct osd_thandle *oh;
2083 struct osd_device *osd = osd_obj2dev(obj);
2089 down_read(&obj->oo_guard);
2091 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
2092 GOTO(out, rc = -ENOENT);
2094 LASSERT(osd_invariant(obj));
2095 LASSERT(obj->oo_sa_hdl != NULL);
2097 oh = container_of0(handle, struct osd_thandle, ot_super);
2098 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2100 write_lock(&obj->oo_attr_lock);
2101 nlink = --obj->oo_attr.la_nlink;
2102 write_unlock(&obj->oo_attr_lock);
2104 rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
2107 up_read(&obj->oo_guard);
2111 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
2112 __u64 start, __u64 end)
2114 struct osd_device *osd = osd_obj2dev(osd_dt_obj(dt));
2115 struct dmu_buf_impl *db = osd_dt_obj(dt)->oo_dn->dn_dbuf;
2119 if (osd->od_dt_dev.dd_rdonly)
2122 mutex_enter(&db->db_mtx);
2123 if (db->db_last_dirty)
2124 txg = db->db_last_dirty->dr_txg;
2125 mutex_exit(&db->db_mtx);
2128 /* the object is dirty or being synced */
2129 if (osd_object_sync_delay_us < 0)
2130 txg_wait_synced(dmu_objset_pool(osd->od_os), txg);
2132 udelay(osd_object_sync_delay_us);
2138 static int osd_invalidate(const struct lu_env *env, struct dt_object *dt)
2143 static struct dt_object_operations osd_obj_ops = {
2144 .do_read_lock = osd_read_lock,
2145 .do_write_lock = osd_write_lock,
2146 .do_read_unlock = osd_read_unlock,
2147 .do_write_unlock = osd_write_unlock,
2148 .do_write_locked = osd_write_locked,
2149 .do_attr_get = osd_attr_get,
2150 .do_declare_attr_set = osd_declare_attr_set,
2151 .do_attr_set = osd_attr_set,
2152 .do_ah_init = osd_ah_init,
2153 .do_declare_create = osd_declare_create,
2154 .do_create = osd_create,
2155 .do_declare_destroy = osd_declare_destroy,
2156 .do_destroy = osd_destroy,
2157 .do_index_try = osd_index_try,
2158 .do_declare_ref_add = osd_declare_ref_add,
2159 .do_ref_add = osd_ref_add,
2160 .do_declare_ref_del = osd_declare_ref_del,
2161 .do_ref_del = osd_ref_del,
2162 .do_xattr_get = osd_xattr_get,
2163 .do_declare_xattr_set = osd_declare_xattr_set,
2164 .do_xattr_set = osd_xattr_set,
2165 .do_declare_xattr_del = osd_declare_xattr_del,
2166 .do_xattr_del = osd_xattr_del,
2167 .do_xattr_list = osd_xattr_list,
2168 .do_object_sync = osd_object_sync,
2169 .do_invalidate = osd_invalidate,
2172 static struct lu_object_operations osd_lu_obj_ops = {
2173 .loo_object_init = osd_object_init,
2174 .loo_object_delete = osd_object_delete,
2175 .loo_object_release = osd_object_release,
2176 .loo_object_free = osd_object_free,
2177 .loo_object_print = osd_object_print,
2178 .loo_object_invariant = osd_object_invariant,
2181 static int osd_otable_it_attr_get(const struct lu_env *env,
2182 struct dt_object *dt,
2183 struct lu_attr *attr)
2189 static struct dt_object_operations osd_obj_otable_it_ops = {
2190 .do_attr_get = osd_otable_it_attr_get,
2191 .do_index_try = osd_index_try,
2194 module_param(osd_object_sync_delay_us, int, 0644);
2195 MODULE_PARM_DESC(osd_object_sync_delay_us,
2196 "If zero or larger delay N usec instead of doing object sync");