4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/osd-zfs/osd_object.c
34 * Author: Alex Zhuravlev <bzzz@whamcloud.com>
35 * Author: Mike Pershin <tappro@whamcloud.com>
36 * Author: Johann Lombardi <johann@whamcloud.com>
39 #define DEBUG_SUBSYSTEM S_OSD
41 #include <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";
66 static struct dt_object_operations osd_obj_ops;
67 static struct lu_object_operations osd_lu_obj_ops;
68 extern struct dt_body_operations osd_body_ops;
69 static struct dt_object_operations osd_obj_otable_it_ops;
71 extern struct kmem_cache *osd_object_kmem;
74 osd_object_sa_fini(struct osd_object *obj)
77 sa_handle_destroy(obj->oo_sa_hdl);
78 obj->oo_sa_hdl = NULL;
83 osd_object_sa_init(struct osd_object *obj, struct osd_device *o)
87 LASSERT(obj->oo_sa_hdl == NULL);
88 LASSERT(obj->oo_dn != NULL);
90 rc = osd_sa_handle_get(obj);
94 /* Cache the xattr object id, valid for the life of the object */
95 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_XATTR(o), &obj->oo_xattr, 8);
97 obj->oo_xattr = ZFS_NO_OBJECT;
100 osd_object_sa_fini(obj);
107 * Add object to list of dirty objects in tx handle.
109 void osd_object_sa_dirty_add(struct osd_object *obj, struct osd_thandle *oh)
111 if (!list_empty(&obj->oo_sa_linkage))
114 write_lock(&obj->oo_attr_lock);
115 if (likely(list_empty(&obj->oo_sa_linkage)))
116 list_add(&obj->oo_sa_linkage, &oh->ot_sa_list);
117 write_unlock(&obj->oo_attr_lock);
121 * Release spill block dbuf hold for all dirty SAs.
123 void osd_object_sa_dirty_rele(const struct lu_env *env, struct osd_thandle *oh)
125 struct osd_object *obj;
127 while (!list_empty(&oh->ot_sa_list)) {
128 obj = list_entry(oh->ot_sa_list.next,
129 struct osd_object, oo_sa_linkage);
130 write_lock(&obj->oo_attr_lock);
131 list_del_init(&obj->oo_sa_linkage);
132 write_unlock(&obj->oo_attr_lock);
133 if (obj->oo_late_xattr) {
135 * take oo_guard to protect oo_sa_xattr buffer
136 * from concurrent update by osd_xattr_set()
138 LASSERT(oh->ot_assigned != 0);
139 down_write(&obj->oo_guard);
140 if (obj->oo_late_attr_set)
141 __osd_sa_attr_init(env, obj, oh);
142 else if (obj->oo_late_xattr)
143 __osd_sa_xattr_update(env, obj, oh);
144 up_write(&obj->oo_guard);
146 sa_spill_rele(obj->oo_sa_hdl);
151 * Update the SA and add the object to the dirty list.
153 int osd_object_sa_update(struct osd_object *obj, sa_attr_type_t type,
154 void *buf, uint32_t buflen, struct osd_thandle *oh)
158 LASSERT(obj->oo_sa_hdl != NULL);
159 LASSERT(oh->ot_tx != NULL);
161 rc = -sa_update(obj->oo_sa_hdl, type, buf, buflen, oh->ot_tx);
162 osd_object_sa_dirty_add(obj, oh);
168 * Bulk update the SA and add the object to the dirty list.
171 osd_object_sa_bulk_update(struct osd_object *obj, sa_bulk_attr_t *attrs,
172 int count, struct osd_thandle *oh)
176 LASSERT(obj->oo_sa_hdl != NULL);
177 LASSERT(oh->ot_tx != NULL);
179 rc = -sa_bulk_update(obj->oo_sa_hdl, attrs, count, oh->ot_tx);
180 osd_object_sa_dirty_add(obj, oh);
186 * Retrieve the attributes of a DMU object
188 int __osd_object_attr_get(const struct lu_env *env, struct osd_device *o,
189 struct osd_object *obj, struct lu_attr *la)
191 struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
192 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
197 LASSERT(obj->oo_dn != NULL);
199 la->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE | LA_TYPE |
200 LA_SIZE | LA_UID | LA_GID | LA_FLAGS | LA_NLINK;
202 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(o), NULL, osa->atime, 16);
203 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(o), NULL, osa->mtime, 16);
204 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(o), NULL, osa->ctime, 16);
205 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(o), NULL, &osa->mode, 8);
206 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(o), NULL, &osa->size, 8);
207 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(o), NULL, &osa->nlink, 8);
208 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(o), NULL, &osa->uid, 8);
209 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(o), NULL, &osa->gid, 8);
210 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(o), NULL, &osa->flags, 8);
211 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
213 rc = -sa_bulk_lookup(obj->oo_sa_hdl, bulk, cnt);
217 #ifdef ZFS_PROJINHERIT
218 if (o->od_projectused_dn && osa->flags & ZFS_PROJID) {
219 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_PROJID(o),
224 la->la_projid = osa->projid;
225 la->la_valid |= LA_PROJID;
226 obj->oo_with_projid = 1;
228 la->la_projid = ZFS_DEFAULT_PROJID;
229 la->la_valid &= ~LA_PROJID;
233 la->la_valid &= ~LA_PROJID;
236 la->la_atime = osa->atime[0];
237 la->la_mtime = osa->mtime[0];
238 la->la_ctime = osa->ctime[0];
239 la->la_mode = osa->mode;
240 la->la_uid = osa->uid;
241 la->la_gid = osa->gid;
242 la->la_nlink = osa->nlink;
243 la->la_flags = attrs_zfs2fs(osa->flags);
244 la->la_size = osa->size;
246 /* Try to get extra flag from LMA. Right now, only LMAI_ORPHAN
247 * flags is stored in LMA, and it is only for orphan directory */
248 if (S_ISDIR(la->la_mode) && dt_object_exists(&obj->oo_dt)) {
249 struct osd_thread_info *info = osd_oti_get(env);
250 struct lustre_mdt_attrs *lma;
253 lma = (struct lustre_mdt_attrs *)info->oti_buf;
255 buf.lb_len = sizeof(info->oti_buf);
256 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
259 lma->lma_incompat = le32_to_cpu(lma->lma_incompat);
261 lma_to_lustre_flags(lma->lma_incompat);
263 } else if (rc == -ENODATA) {
268 if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode)) {
269 rc = -sa_lookup(obj->oo_sa_hdl, SA_ZPL_RDEV(o), &osa->rdev, 8);
272 la->la_rdev = osa->rdev;
273 la->la_valid |= LA_RDEV;
280 int __osd_obj2dnode(objset_t *os, uint64_t oid, dnode_t **dnp)
286 rc = -dmu_bonus_hold(os, oid, osd_obj_tag, &db);
290 dbi = (dmu_buf_impl_t *)db;
292 *dnp = DB_DNODE(dbi);
293 LASSERT(*dnp != NULL);
299 * Concurrency: no concurrent access is possible that early in object
302 struct lu_object *osd_object_alloc(const struct lu_env *env,
303 const struct lu_object_header *hdr,
306 struct osd_object *mo;
308 OBD_SLAB_ALLOC_PTR_GFP(mo, osd_object_kmem, GFP_NOFS);
312 l = &mo->oo_dt.do_lu;
313 dt_object_init(&mo->oo_dt, NULL, d);
314 mo->oo_dt.do_ops = &osd_obj_ops;
315 l->lo_ops = &osd_lu_obj_ops;
316 INIT_LIST_HEAD(&mo->oo_sa_linkage);
317 INIT_LIST_HEAD(&mo->oo_unlinked_linkage);
318 init_rwsem(&mo->oo_sem);
319 init_rwsem(&mo->oo_guard);
320 rwlock_init(&mo->oo_attr_lock);
321 mo->oo_destroy = OSD_DESTROY_NONE;
328 static void osd_obj_set_blksize(const struct lu_env *env,
329 struct osd_device *osd, struct osd_object *obj)
331 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
333 dnode_t *dn = obj->oo_dn;
338 LASSERT(!osd_oti_get(env)->oti_in_trans);
340 tx = dmu_tx_create(osd->od_os);
342 CERROR("%s: fail to create tx to set blksize for "DFID"\n",
343 osd->od_svname, PFID(fid));
347 dmu_tx_hold_bonus(tx, dn->dn_object);
348 rc = -dmu_tx_assign(tx, TXG_WAIT);
351 CERROR("%s: fail to assign tx to set blksize for "DFID
352 ": rc = %d\n", osd->od_svname, PFID(fid), rc);
356 down_write(&obj->oo_guard);
357 if (unlikely((1 << dn->dn_datablkshift) >= PAGE_SIZE))
360 blksz = dn->dn_datablksz;
361 if (!is_power_of_2(blksz))
362 blksz = size_roundup_power2(blksz);
364 if (blksz > osd->od_max_blksz)
365 blksz = osd->od_max_blksz;
366 else if (blksz < PAGE_SIZE)
368 rc = -dmu_object_set_blocksize(osd->od_os, dn->dn_object, blksz, 0, tx);
373 up_write(&obj->oo_guard);
376 if (unlikely(obj->oo_dn->dn_maxblkid > 0))
379 CERROR("%s: fail to set blksize for "DFID": rc = %d\n",
380 osd->od_svname, PFID(fid), rc);
383 CDEBUG(D_INODE, "%s: set blksize as %u for "DFID"\n",
384 osd->od_svname, blksz, PFID(fid));
389 * Concurrency: shouldn't matter.
391 int osd_object_init0(const struct lu_env *env, struct osd_object *obj)
393 struct osd_device *osd = osd_obj2dev(obj);
394 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
400 rc = osd_object_sa_init(obj, osd);
404 /* cache attrs in object */
405 rc = __osd_object_attr_get(env, osd, obj, &obj->oo_attr);
409 if (likely(!fid_is_acct(fid))) {
410 /* no body operations for accounting objects */
411 obj->oo_dt.do_body_ops = &osd_body_ops;
413 if (S_ISREG(obj->oo_attr.la_mode) &&
414 obj->oo_dn->dn_maxblkid == 0 &&
415 (1 << obj->oo_dn->dn_datablkshift) < PAGE_SIZE &&
416 (fid_is_idif(fid) || fid_is_norm(fid) ||
418 osd->od_is_ost && !osd->od_dt_dev.dd_rdonly)
419 osd_obj_set_blksize(env, osd, obj);
423 * initialize object before marking it existing
425 obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
428 obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
433 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
435 struct osd_thread_info *info = osd_oti_get(env);
438 struct lustre_mdt_attrs *lma;
441 CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
442 lma = (struct lustre_mdt_attrs *)info->oti_buf;
444 buf.lb_len = sizeof(info->oti_buf);
446 rc = osd_xattr_get(env, &obj->oo_dt, &buf, XATTR_NAME_LMA);
449 lustre_lma_swab(lma);
450 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
451 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
452 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
453 "fid = "DFID"\n", osd_obj2dev(obj)->od_svname,
454 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
455 PFID(lu_object_fid(&obj->oo_dt.do_lu)));
458 if (lma->lma_compat & LMAC_STRIPE_INFO &&
459 osd_obj2dev(obj)->od_is_ost)
460 obj->oo_pfid_in_lma = 1;
462 } else if (rc == -ENODATA) {
463 /* haven't initialize LMA xattr */
471 * Helper function to retrieve DMU object id from fid for accounting object
473 static dnode_t *osd_quota_fid2dmu(const struct osd_device *osd,
474 const struct lu_fid *fid)
478 LASSERT(fid_is_acct(fid));
480 switch (fid_oid(fid)) {
482 dn = osd->od_userused_dn;
485 dn = osd->od_groupused_dn;
487 #ifdef ZFS_PROJINHERIT
488 case ACCT_PROJECT_OID:
489 dn = osd->od_projectused_dn;
500 * Concurrency: no concurrent access is possible that early in object
503 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
504 const struct lu_object_conf *conf)
506 struct osd_object *obj = osd_obj(l);
507 struct osd_device *osd = osd_obj2dev(obj);
508 const struct lu_fid *fid = lu_object_fid(l);
513 LASSERT(osd_invariant(obj));
515 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
516 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
517 l->lo_header->loh_attr |= LOHA_EXISTS;
521 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
524 if (unlikely(fid_is_acct(fid))) {
525 obj->oo_dn = osd_quota_fid2dmu(osd, fid);
527 obj->oo_dt.do_index_ops = &osd_acct_index_ops;
528 l->lo_header->loh_attr |= LOHA_EXISTS;
534 rc = osd_fid_lookup(env, osd, fid, &oid);
536 LASSERT(obj->oo_dn == NULL);
537 rc = __osd_obj2dnode(osd->od_os, oid, &obj->oo_dn);
538 /* EEXIST will be returned if object is being deleted in ZFS */
544 CERROR("%s: lookup "DFID"/%#llx failed: rc = %d\n",
545 osd->od_svname, PFID(lu_object_fid(l)), oid, rc);
548 rc = osd_object_init0(env, obj);
552 rc = osd_check_lma(env, obj);
555 } else if (rc == -ENOENT) {
558 LASSERT(osd_invariant(obj));
564 * Concurrency: no concurrent access is possible that late in object
567 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
569 struct osd_object *obj = osd_obj(l);
571 LASSERT(osd_invariant(obj));
573 dt_object_fini(&obj->oo_dt);
574 OBD_SLAB_FREE_PTR(obj, osd_object_kmem);
578 osd_object_unlinked_add(struct osd_object *obj, struct osd_thandle *oh)
582 LASSERT(obj->oo_destroy == OSD_DESTROY_ASYNC);
584 /* the object is supposed to be exclusively locked by
585 * the caller (osd_destroy()), while the transaction
586 * (oh) is per-thread and not shared */
587 if (likely(list_empty(&obj->oo_unlinked_linkage))) {
588 list_add(&obj->oo_unlinked_linkage, &oh->ot_unlinked_list);
595 /* Default to max data size covered by a level-1 indirect block */
596 static unsigned long osd_sync_destroy_max_size =
597 1UL << (DN_MAX_INDBLKSHIFT - SPA_BLKPTRSHIFT + SPA_MAXBLOCKSHIFT);
598 module_param(osd_sync_destroy_max_size, ulong, 0444);
599 MODULE_PARM_DESC(osd_sync_destroy_max_size, "Maximum object size to use synchronous destroy.");
602 osd_object_set_destroy_type(struct osd_object *obj)
605 * Lock-less OST_WRITE can race with OST_DESTROY, so set destroy type
606 * only once and use it consistently thereafter.
608 down_write(&obj->oo_guard);
609 if (obj->oo_destroy == OSD_DESTROY_NONE) {
610 if (obj->oo_attr.la_size <= osd_sync_destroy_max_size)
611 obj->oo_destroy = OSD_DESTROY_SYNC;
612 else /* Larger objects are destroyed asynchronously */
613 obj->oo_destroy = OSD_DESTROY_ASYNC;
615 up_write(&obj->oo_guard);
618 static int osd_declare_destroy(const struct lu_env *env, struct dt_object *dt,
621 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
622 struct osd_object *obj = osd_dt_obj(dt);
623 struct osd_device *osd = osd_obj2dev(obj);
624 struct osd_thandle *oh;
631 LASSERT(dt_object_exists(dt));
633 oh = container_of0(th, struct osd_thandle, ot_super);
634 LASSERT(oh->ot_tx != NULL);
636 /* declare that we'll remove object from fid-dnode mapping */
637 zapid = osd_get_name_n_idx(env, osd, fid, NULL, 0, &dn);
638 osd_tx_hold_zap(oh->ot_tx, zapid, dn, FALSE, NULL);
640 osd_declare_xattrs_destroy(env, obj, oh);
643 rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
644 obj->oo_attr.la_gid, obj->oo_attr.la_projid,
645 -1, oh, NULL, OSD_QID_INODE);
649 /* data to be truncated */
650 rc = osd_declare_quota(env, osd, obj->oo_attr.la_uid,
651 obj->oo_attr.la_gid, obj->oo_attr.la_projid,
652 0, oh, NULL, OSD_QID_BLK);
656 osd_object_set_destroy_type(obj);
657 if (obj->oo_destroy == OSD_DESTROY_SYNC)
658 dmu_tx_hold_free(oh->ot_tx, obj->oo_dn->dn_object,
661 osd_tx_hold_zap(oh->ot_tx, osd->od_unlinked->dn_object,
662 osd->od_unlinked, TRUE, NULL);
664 /* will help to find FID->ino when this object is being
665 * added to PENDING/ */
666 osd_idc_find_and_init(env, osd, obj);
671 static int osd_destroy(const struct lu_env *env, struct dt_object *dt,
674 struct osd_thread_info *info = osd_oti_get(env);
675 char *buf = info->oti_str;
676 struct osd_object *obj = osd_dt_obj(dt);
677 struct osd_device *osd = osd_obj2dev(obj);
678 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
679 struct osd_thandle *oh;
685 down_write(&obj->oo_guard);
687 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
688 GOTO(out, rc = -ENOENT);
690 LASSERT(obj->oo_dn != NULL);
692 oh = container_of0(th, struct osd_thandle, ot_super);
694 LASSERT(oh->ot_tx != NULL);
696 /* remove obj ref from index dir (it depends) */
697 zapid = osd_get_name_n_idx(env, osd, fid, buf,
698 sizeof(info->oti_str), &zdn);
699 rc = osd_zap_remove(osd, zapid, zdn, buf, oh->ot_tx);
701 CERROR("%s: zap_remove(%s) failed: rc = %d\n",
702 osd->od_svname, buf, rc);
706 rc = osd_xattrs_destroy(env, obj, oh);
708 CERROR("%s: cannot destroy xattrs for %s: rc = %d\n",
709 osd->od_svname, buf, rc);
713 oid = obj->oo_dn->dn_object;
714 if (unlikely(obj->oo_destroy == OSD_DESTROY_NONE)) {
715 /* this may happen if the destroy wasn't declared
716 * e.g. when the object is created and then destroyed
717 * in the same transaction - we don't need additional
718 * space for destroy specifically */
719 LASSERT(obj->oo_attr.la_size <= osd_sync_destroy_max_size);
720 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
722 CERROR("%s: failed to free %s %llu: rc = %d\n",
723 osd->od_svname, buf, oid, rc);
724 } else if (obj->oo_destroy == OSD_DESTROY_SYNC) {
725 rc = -dmu_object_free(osd->od_os, oid, oh->ot_tx);
727 CERROR("%s: failed to free %s %llu: rc = %d\n",
728 osd->od_svname, buf, oid, rc);
729 } else { /* asynchronous destroy */
730 char *key = info->oti_key;
732 rc = osd_object_unlinked_add(obj, oh);
736 snprintf(key, sizeof(info->oti_key), "%llx", oid);
737 rc = osd_zap_add(osd, osd->od_unlinked->dn_object,
738 osd->od_unlinked, key, 8, 1, &oid, oh->ot_tx);
740 CERROR("%s: zap_add_int() failed %s %llu: rc = %d\n",
741 osd->od_svname, buf, oid, rc);
745 /* not needed in the cache anymore */
746 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
748 obj->oo_destroyed = 1;
749 up_write(&obj->oo_guard);
753 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
755 struct osd_object *obj = osd_obj(l);
756 const struct lu_fid *fid = lu_object_fid(l);
759 if (likely(!fid_is_acct(fid))) {
760 osd_object_sa_fini(obj);
761 if (obj->oo_sa_xattr) {
762 nvlist_free(obj->oo_sa_xattr);
763 obj->oo_sa_xattr = NULL;
765 osd_dnode_rele(obj->oo_dn);
766 list_del(&obj->oo_sa_linkage);
773 * Concurrency: ->loo_object_release() is called under site spin-lock.
775 static void osd_object_release(const struct lu_env *env,
781 * Concurrency: shouldn't matter.
783 static int osd_object_print(const struct lu_env *env, void *cookie,
784 lu_printer_t p, const struct lu_object *l)
786 struct osd_object *o = osd_obj(l);
788 return (*p)(env, cookie, LUSTRE_OSD_ZFS_NAME"-object@%p", o);
791 static void osd_read_lock(const struct lu_env *env, struct dt_object *dt,
794 struct osd_object *obj = osd_dt_obj(dt);
796 LASSERT(osd_invariant(obj));
798 down_read_nested(&obj->oo_sem, role);
801 static void osd_write_lock(const struct lu_env *env, struct dt_object *dt,
804 struct osd_object *obj = osd_dt_obj(dt);
806 LASSERT(osd_invariant(obj));
808 down_write_nested(&obj->oo_sem, role);
811 static void osd_read_unlock(const struct lu_env *env, struct dt_object *dt)
813 struct osd_object *obj = osd_dt_obj(dt);
815 LASSERT(osd_invariant(obj));
816 up_read(&obj->oo_sem);
819 static void osd_write_unlock(const struct lu_env *env, struct dt_object *dt)
821 struct osd_object *obj = osd_dt_obj(dt);
823 LASSERT(osd_invariant(obj));
824 up_write(&obj->oo_sem);
827 static int osd_write_locked(const struct lu_env *env, struct dt_object *dt)
829 struct osd_object *obj = osd_dt_obj(dt);
832 LASSERT(osd_invariant(obj));
834 if (down_write_trylock(&obj->oo_sem)) {
836 up_write(&obj->oo_sem);
841 static int osd_attr_get(const struct lu_env *env,
842 struct dt_object *dt,
843 struct lu_attr *attr)
845 struct osd_object *obj = osd_dt_obj(dt);
850 down_read(&obj->oo_guard);
852 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
853 GOTO(out, rc = -ENOENT);
855 if (unlikely(fid_is_acct(lu_object_fid(&dt->do_lu))))
858 LASSERT(osd_invariant(obj));
861 read_lock(&obj->oo_attr_lock);
862 *attr = obj->oo_attr;
863 if (obj->oo_lma_flags & LUSTRE_ORPHAN_FL)
864 attr->la_flags |= LUSTRE_ORPHAN_FL;
865 read_unlock(&obj->oo_attr_lock);
867 /* with ZFS_DEBUG zrl_add_debug() called by DB_DNODE_ENTER()
868 * from within sa_object_size() can block on a mutex, so
869 * we can't call sa_object_size() holding rwlock */
870 sa_object_size(obj->oo_sa_hdl, &blksize, &blocks);
871 /* we do not control size of indices, so always calculate
872 * it from number of blocks reported by DMU */
873 if (S_ISDIR(attr->la_mode))
874 attr->la_size = 512 * blocks;
875 /* Block size may be not set; suggest maximal I/O transfers. */
877 blksize = osd_spa_maxblocksize(
878 dmu_objset_spa(osd_obj2dev(obj)->od_os));
880 attr->la_blksize = blksize;
881 attr->la_blocks = blocks;
882 attr->la_valid |= LA_BLOCKS | LA_BLKSIZE;
885 up_read(&obj->oo_guard);
889 /* Simple wrapper on top of qsd API which implement quota transfer for osd
890 * setattr needs. As a reminder, only the root user can change ownership of
891 * a file, that's why EDQUOT & EINPROGRESS errors are discarded */
892 static inline int qsd_transfer(const struct lu_env *env,
893 struct qsd_instance *qsd,
894 struct lquota_trans *trans, int qtype,
895 __u64 orig_id, __u64 new_id, __u64 bspace,
896 struct lquota_id_info *qi)
900 if (unlikely(qsd == NULL))
903 LASSERT(qtype >= 0 && qtype < LL_MAXQUOTAS);
904 qi->lqi_type = qtype;
906 /* inode accounting */
907 qi->lqi_is_blk = false;
909 /* one more inode for the new owner ... */
910 qi->lqi_id.qid_uid = new_id;
912 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
913 if (rc == -EDQUOT || rc == -EINPROGRESS)
918 /* and one less inode for the current id */
919 qi->lqi_id.qid_uid = orig_id;;
921 /* can't get EDQUOT when reducing usage */
922 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
923 if (rc == -EINPROGRESS)
928 /* block accounting */
929 qi->lqi_is_blk = true;
931 /* more blocks for the new owner ... */
932 qi->lqi_id.qid_uid = new_id;
933 qi->lqi_space = bspace;
934 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
935 if (rc == -EDQUOT || rc == -EINPROGRESS)
940 /* and finally less blocks for the current owner */
941 qi->lqi_id.qid_uid = orig_id;
942 qi->lqi_space = -bspace;
943 rc = qsd_op_begin(env, qsd, trans, qi, NULL);
944 /* can't get EDQUOT when reducing usage */
945 if (rc == -EINPROGRESS)
950 static int osd_declare_attr_set(const struct lu_env *env,
951 struct dt_object *dt,
952 const struct lu_attr *attr,
953 struct thandle *handle)
955 struct osd_thread_info *info = osd_oti_get(env);
956 struct osd_object *obj = osd_dt_obj(dt);
957 struct osd_device *osd = osd_obj2dev(obj);
959 struct osd_thandle *oh;
967 LASSERT(handle != NULL);
968 LASSERT(osd_invariant(obj));
970 oh = container_of0(handle, struct osd_thandle, ot_super);
972 down_read(&obj->oo_guard);
973 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
976 LASSERT(obj->oo_sa_hdl != NULL);
977 LASSERT(oh->ot_tx != NULL);
978 /* regular attributes are part of the bonus buffer */
979 /* let's check whether this object is already part of
982 for (txh = list_head(&oh->ot_tx->tx_holds); txh;
983 txh = list_next(&oh->ot_tx->tx_holds, txh)) {
984 if (txh->txh_dnode == NULL)
986 if (txh->txh_dnode->dn_object != obj->oo_dn->dn_object)
988 /* this object is part of the transaction already
989 * we don't need to declare bonus again */
994 dmu_tx_hold_bonus(oh->ot_tx, obj->oo_dn->dn_object);
995 if (oh->ot_tx->tx_err != 0)
996 GOTO(out, rc = -oh->ot_tx->tx_err);
998 if (attr && attr->la_valid & LA_FLAGS) {
999 /* LMA is usually a part of bonus, no need to declare
1003 if (attr && (attr->la_valid & (LA_UID | LA_GID | LA_PROJID))) {
1004 sa_object_size(obj->oo_sa_hdl, &blksize, &bspace);
1005 bspace = toqb(bspace * blksize);
1008 if (attr && attr->la_valid & LA_UID) {
1009 /* quota enforcement for user */
1010 if (attr->la_uid != obj->oo_attr.la_uid) {
1011 rc = qsd_transfer(env, osd->od_quota_slave,
1012 &oh->ot_quota_trans, USRQUOTA,
1013 obj->oo_attr.la_uid, attr->la_uid,
1014 bspace, &info->oti_qi);
1019 if (attr && attr->la_valid & LA_GID) {
1020 /* quota enforcement for group */
1021 if (attr->la_gid != obj->oo_attr.la_gid) {
1022 rc = qsd_transfer(env, osd->od_quota_slave,
1023 &oh->ot_quota_trans, GRPQUOTA,
1024 obj->oo_attr.la_gid, attr->la_gid,
1025 bspace, &info->oti_qi);
1030 #ifdef ZFS_PROJINHERIT
1031 if (attr && attr->la_valid & LA_PROJID) {
1032 if (!osd->od_projectused_dn)
1033 GOTO(out, rc = -EOPNOTSUPP);
1035 /* Usually, if project quota is upgradable for the device,
1036 * then the upgrade will be done before or when mount the
1037 * device. So when we come here, this project should have
1038 * project ID attribute already (that is zero by default).
1039 * Otherwise, there was something wrong during the former
1040 * upgrade, let's return failure to report that.
1042 * Please note that, different from other attributes, you
1043 * can NOT simply set the project ID attribute under such
1044 * case, because adding (NOT change) project ID attribute
1045 * needs to change the object's attribute layout to match
1046 * zfs backend quota accounting requirement. */
1047 if (unlikely(!obj->oo_with_projid))
1048 GOTO(out, rc = -ENXIO);
1050 /* quota enforcement for project */
1051 if (attr->la_projid != obj->oo_attr.la_projid) {
1052 rc = qsd_transfer(env, osd->od_quota_slave,
1053 &oh->ot_quota_trans, PRJQUOTA,
1054 obj->oo_attr.la_projid,
1055 attr->la_projid, bspace,
1063 up_read(&obj->oo_guard);
1068 * Set the attributes of an object
1070 * The transaction passed to this routine must have
1071 * dmu_tx_hold_bonus(tx, oid) called and then assigned
1072 * to a transaction group.
1074 static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
1075 const struct lu_attr *la, struct thandle *handle)
1077 struct osd_thread_info *info = osd_oti_get(env);
1078 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
1079 struct osd_object *obj = osd_dt_obj(dt);
1080 struct osd_device *osd = osd_obj2dev(obj);
1081 struct osd_thandle *oh;
1082 struct osa_attr *osa = &info->oti_osa;
1083 __u64 valid = la->la_valid;
1089 down_read(&obj->oo_guard);
1090 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1091 GOTO(out, rc = -ENOENT);
1093 LASSERT(handle != NULL);
1094 LASSERT(osd_invariant(obj));
1095 LASSERT(obj->oo_sa_hdl);
1097 oh = container_of0(handle, struct osd_thandle, ot_super);
1098 /* Assert that the transaction has been assigned to a
1099 transaction group. */
1100 LASSERT(oh->ot_tx->tx_txg != 0);
1102 /* Only allow set size for regular file */
1103 if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
1104 valid &= ~(LA_SIZE | LA_BLOCKS);
1106 if (valid & LA_CTIME && la->la_ctime == obj->oo_attr.la_ctime)
1109 if (valid & LA_MTIME && la->la_mtime == obj->oo_attr.la_mtime)
1112 if (valid & LA_ATIME && la->la_atime == obj->oo_attr.la_atime)
1118 if (valid & LA_FLAGS) {
1119 struct lustre_mdt_attrs *lma;
1122 if (la->la_flags & LUSTRE_LMA_FL_MASKS) {
1123 LASSERT(!obj->oo_pfid_in_lma);
1124 CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
1125 lma = (struct lustre_mdt_attrs *)&info->oti_buf;
1127 buf.lb_len = sizeof(info->oti_buf);
1128 rc = osd_xattr_get(env, &obj->oo_dt, &buf,
1132 le32_to_cpu(lma->lma_incompat);
1133 lma->lma_incompat |=
1134 lustre_to_lma_flags(la->la_flags);
1136 cpu_to_le32(lma->lma_incompat);
1138 buf.lb_len = sizeof(*lma);
1139 rc = osd_xattr_set_internal(env, obj, &buf,
1145 CWARN("%s: failed to set LMA flags: rc = %d\n",
1146 osd->od_svname, rc);
1152 write_lock(&obj->oo_attr_lock);
1155 if (valid & LA_PROJID) {
1156 #ifdef ZFS_PROJINHERIT
1157 /* osd_declare_attr_set() must be called firstly.
1158 * If osd::od_projectused_dn is not set, then we
1159 * can not arrive at here. */
1160 LASSERT(osd->od_projectused_dn);
1161 LASSERT(obj->oo_with_projid);
1163 osa->projid = obj->oo_attr.la_projid = la->la_projid;
1164 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PROJID(osd), NULL,
1167 valid &= ~LA_PROJID;
1171 if (valid & LA_ATIME) {
1172 osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
1173 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL,
1176 if (valid & LA_MTIME) {
1177 osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
1178 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL,
1181 if (valid & LA_CTIME) {
1182 osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
1183 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL,
1186 if (valid & LA_MODE) {
1187 /* mode is stored along with type, so read it first */
1188 obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
1189 (la->la_mode & ~S_IFMT);
1190 osa->mode = obj->oo_attr.la_mode;
1191 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL,
1194 if (valid & LA_SIZE) {
1195 osa->size = obj->oo_attr.la_size = la->la_size;
1196 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL,
1199 if (valid & LA_NLINK) {
1200 osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
1201 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL,
1204 if (valid & LA_RDEV) {
1205 osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
1206 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL,
1209 if (valid & LA_FLAGS) {
1210 osa->flags = attrs_fs2zfs(la->la_flags);
1211 /* many flags are not supported by zfs, so ensure a good cached
1213 obj->oo_attr.la_flags = attrs_zfs2fs(osa->flags);
1214 #ifdef ZFS_PROJINHERIT
1215 if (obj->oo_with_projid)
1216 osa->flags |= ZFS_PROJID;
1218 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL,
1221 if (valid & LA_UID) {
1222 osa->uid = obj->oo_attr.la_uid = la->la_uid;
1223 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL,
1226 if (valid & LA_GID) {
1227 osa->gid = obj->oo_attr.la_gid = la->la_gid;
1228 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL,
1231 obj->oo_attr.la_valid |= valid;
1232 write_unlock(&obj->oo_attr_lock);
1234 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
1235 rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);
1238 up_read(&obj->oo_guard);
1245 * XXX temporary solution.
1248 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1249 struct dt_object *parent, struct dt_object *child,
1254 ah->dah_parent = parent;
1255 ah->dah_mode = child_mode;
1257 if (parent != NULL && !dt_object_remote(parent)) {
1258 /* will help to find FID->ino at dt_insert("..") */
1259 struct osd_object *pobj = osd_dt_obj(parent);
1261 osd_idc_find_and_init(env, osd_obj2dev(pobj), pobj);
1265 static int osd_declare_create(const struct lu_env *env, struct dt_object *dt,
1266 struct lu_attr *attr,
1267 struct dt_allocation_hint *hint,
1268 struct dt_object_format *dof,
1269 struct thandle *handle)
1271 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1272 struct osd_object *obj = osd_dt_obj(dt);
1273 struct osd_device *osd = osd_obj2dev(obj);
1274 struct osd_thandle *oh;
1282 switch (dof->dof_type) {
1286 if (obj->oo_dt.do_body_ops == NULL)
1287 obj->oo_dt.do_body_ops = &osd_body_ops;
1293 LASSERT(handle != NULL);
1294 oh = container_of0(handle, struct osd_thandle, ot_super);
1295 LASSERT(oh->ot_tx != NULL);
1297 /* this is the minimum set of EAs on every Lustre object */
1298 obj->oo_ea_in_bonus = OSD_BASE_EA_IN_BONUS;
1299 /* reserve 32 bytes for extra stuff like ACLs */
1300 dnode_size = size_roundup_power2(obj->oo_ea_in_bonus + 32);
1302 switch (dof->dof_type) {
1304 dt->do_index_ops = &osd_dir_ops;
1306 /* for zap create */
1307 dmu_tx_hold_zap(oh->ot_tx, DMU_NEW_OBJECT, FALSE, NULL);
1308 dmu_tx_hold_sa_create(oh->ot_tx, dnode_size);
1313 /* first, we'll create new object */
1314 dmu_tx_hold_sa_create(oh->ot_tx, dnode_size);
1322 /* and we'll add it to some mapping */
1323 zapid = osd_get_name_n_idx(env, osd, fid, NULL, 0, &dn);
1324 osd_tx_hold_zap(oh->ot_tx, zapid, dn, TRUE, NULL);
1326 /* will help to find FID->ino mapping at dt_insert() */
1327 osd_idc_find_and_init(env, osd, obj);
1329 rc = osd_declare_quota(env, osd, attr->la_uid, attr->la_gid,
1330 attr->la_projid, 1, oh, NULL, OSD_QID_INODE);
1335 int __osd_attr_init(const struct lu_env *env, struct osd_device *osd,
1336 struct osd_object *obj, sa_handle_t *sa_hdl, dmu_tx_t *tx,
1337 struct lu_attr *la, uint64_t parent,
1340 sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
1341 struct osa_attr *osa = &osd_oti_get(env)->oti_osa;
1347 char *dxattr = NULL;
1353 gen = dmu_tx_get_txg(tx);
1355 ZFS_TIME_ENCODE(&now, crtime);
1357 osa->atime[0] = la->la_atime;
1358 osa->ctime[0] = la->la_ctime;
1359 osa->mtime[0] = la->la_mtime;
1360 osa->mode = la->la_mode;
1361 osa->uid = la->la_uid;
1362 osa->gid = la->la_gid;
1363 osa->rdev = la->la_rdev;
1364 osa->nlink = la->la_nlink;
1365 if (la->la_valid & LA_FLAGS)
1366 osa->flags = attrs_fs2zfs(la->la_flags);
1369 osa->size = la->la_size;
1370 #ifdef ZFS_PROJINHERIT
1371 if (osd->od_projectused_dn) {
1372 if (la->la_valid & LA_PROJID)
1373 osa->projid = la->la_projid;
1375 osa->projid = ZFS_DEFAULT_PROJID;
1376 osa->flags |= ZFS_PROJID;
1378 obj->oo_with_projid = 1;
1380 osa->flags &= ~ZFS_PROJID;
1385 * we need to create all SA below upon object create.
1387 * XXX The attribute order matters since the accounting callback relies
1388 * on static offsets (i.e. SA_*_OFFSET, see zfs_space_delta_cb()) to
1389 * look up the UID/GID/PROJID attributes. Moreover, the callback does
1390 * not seem to support the spill block.
1391 * We define attributes in the same order as SA_*_OFFSET in order to
1392 * work around the problem. See ORI-610.
1395 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL, &osa->mode, 8);
1396 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL, &osa->size, 8);
1397 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GEN(osd), NULL, &gen, 8);
1398 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL, &osa->uid, 8);
1399 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL, &osa->gid, 8);
1400 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PARENT(osd), NULL, &parent, 8);
1401 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL, &osa->flags, 8);
1402 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL, osa->atime, 16);
1403 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL, osa->mtime, 16);
1404 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL, osa->ctime, 16);
1405 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CRTIME(osd), NULL, crtime, 16);
1406 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL, &osa->nlink, 8);
1407 #ifdef ZFS_PROJINHERIT
1408 if (osd->od_projectused_dn)
1409 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_PROJID(osd), NULL,
1412 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL, &osa->rdev, 8);
1413 LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
1416 rc = -nvlist_size(xattr, &sa_size, NV_ENCODE_XDR);
1419 dxattr = osd_zio_buf_alloc(sa_size);
1422 rc = -nvlist_pack(xattr, &dxattr, &sa_size,
1423 NV_ENCODE_XDR, KM_SLEEP);
1426 SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_DXATTR(osd),
1427 NULL, dxattr, sa_size);
1430 rc = -sa_replace_all_by_template(sa_hdl, bulk, cnt, tx);
1432 osd_zio_buf_free(dxattr, sa_size);
1437 static int osd_find_new_dnode(const struct lu_env *env, dmu_tx_t *tx,
1438 uint64_t oid, dnode_t **dnp)
1443 /* take dnode_t from tx to save on dnode#->dnode_t lookup */
1444 for (txh = list_tail(&tx->tx_holds); txh;
1445 txh = list_prev(&tx->tx_holds, txh)) {
1446 dnode_t *dn = txh->txh_dnode;
1451 if (dn->dn_object != oid)
1455 rw_enter(&dn->dn_struct_rwlock, RW_WRITER);
1456 if (dn->dn_bonus == NULL)
1457 dbuf_create_bonus(dn);
1458 rw_exit(&dn->dn_struct_rwlock);
1462 LASSERT(dn->dn_handle);
1464 if (refcount_add(&db->db_holds, osd_obj_tag) == 1) {
1465 refcount_add(&dn->dn_holds, tag);
1466 atomic_inc_32(&dn->dn_dbufs_count);
1469 dbuf_read(db, NULL, DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH);
1473 if (unlikely(*dnp == NULL))
1474 rc = __osd_obj2dnode(tx->tx_objset, oid, dnp);
1479 #ifdef HAVE_DMU_OBJECT_ALLOC_DNSIZE
1480 int osd_find_dnsize(struct osd_device *osd, int ea_in_bonus)
1484 if (osd->od_dnsize == ZFS_DNSIZE_AUTO) {
1485 dnsize = DNODE_MIN_SIZE;
1487 if (DN_BONUS_SIZE(dnsize) >= ea_in_bonus + 32)
1490 } while (dnsize < DNODE_MAX_SIZE);
1491 if (dnsize > DNODE_MAX_SIZE)
1492 dnsize = DNODE_MAX_SIZE;
1493 } else if (osd->od_dnsize == ZFS_DNSIZE_1K) {
1495 } else if (osd->od_dnsize == ZFS_DNSIZE_2K) {
1497 } else if (osd->od_dnsize == ZFS_DNSIZE_4K) {
1499 } else if (osd->od_dnsize == ZFS_DNSIZE_8K) {
1501 } else if (osd->od_dnsize == ZFS_DNSIZE_16K) {
1504 dnsize = DNODE_MIN_SIZE;
1511 * The transaction passed to this routine must have
1512 * dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT) called and then assigned
1513 * to a transaction group.
1515 int __osd_object_create(const struct lu_env *env, struct osd_device *osd,
1516 struct osd_object *obj, const struct lu_fid *fid,
1517 dnode_t **dnp, dmu_tx_t *tx, struct lu_attr *la)
1519 dmu_object_type_t type = DMU_OT_PLAIN_FILE_CONTENTS;
1523 /* Use DMU_OTN_UINT8_METADATA for local objects so their data blocks
1524 * would get an additional ditto copy */
1525 if (unlikely(S_ISREG(la->la_mode) &&
1526 fid_seq_is_local_file(fid_seq(fid))))
1527 type = DMU_OTN_UINT8_METADATA;
1529 /* Create a new DMU object using the default dnode size. */
1531 size = obj->oo_ea_in_bonus;
1533 size = OSD_BASE_EA_IN_BONUS;
1534 oid = osd_dmu_object_alloc(osd->od_os, type, 0,
1535 osd_find_dnsize(osd, size), tx);
1537 LASSERT(la->la_valid & LA_MODE);
1541 return osd_find_new_dnode(env, tx, oid, dnp);
1545 * The transaction passed to this routine must have
1546 * dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, ...) called and then assigned
1547 * to a transaction group.
1549 * Using ZAP_FLAG_HASH64 will force the ZAP to always be a FAT ZAP.
1550 * This is fine for directories today, because storing the FID in the dirent
1551 * will also require a FAT ZAP. If there is a new type of micro ZAP created
1552 * then we might need to re-evaluate the use of this flag and instead do
1553 * a conversion from the different internal ZAP hash formats being used. */
1554 int __osd_zap_create(const struct lu_env *env, struct osd_device *osd,
1555 dnode_t **dnp, dmu_tx_t *tx, struct lu_attr *la,
1556 unsigned dnsize, zap_flags_t flags)
1560 /* Assert that the transaction has been assigned to a
1561 transaction group. */
1562 LASSERT(tx->tx_txg != 0);
1565 oid = osd_zap_create_flags(osd->od_os, 0, flags | ZAP_FLAG_HASH64,
1566 DMU_OT_DIRECTORY_CONTENTS,
1567 14, /* == ZFS fzap_default_blockshift */
1568 DN_MAX_INDBLKSHIFT, /* indirect blockshift */
1574 return osd_find_new_dnode(env, tx, oid, dnp);
1577 static dnode_t *osd_mkidx(const struct lu_env *env, struct osd_object *obj,
1578 struct lu_attr *la, struct osd_thandle *oh)
1580 struct osd_device *osd = osd_obj2dev(obj);
1584 /* Index file should be created as regular file in order not to confuse
1585 * ZPL which could interpret them as directory.
1586 * We set ZAP_FLAG_UINT64_KEY to let ZFS know than we are going to use
1588 LASSERT(S_ISREG(la->la_mode));
1589 rc = __osd_zap_create(env, osd, &dn, oh->ot_tx, la,
1590 osd_find_dnsize(osd, obj->oo_ea_in_bonus), ZAP_FLAG_UINT64_KEY);
1596 static dnode_t *osd_mkdir(const struct lu_env *env, struct osd_object *obj,
1597 struct lu_attr *la, struct osd_thandle *oh)
1599 struct osd_device *osd = osd_obj2dev(obj);
1603 LASSERT(S_ISDIR(la->la_mode));
1604 rc = __osd_zap_create(env, osd, &dn, oh->ot_tx, la,
1605 osd_find_dnsize(osd, obj->oo_ea_in_bonus), 0);
1611 static dnode_t *osd_mkreg(const struct lu_env *env, struct osd_object *obj,
1612 struct lu_attr *la, struct osd_thandle *oh)
1614 const struct lu_fid *fid = lu_object_fid(&obj->oo_dt.do_lu);
1615 struct osd_device *osd = osd_obj2dev(obj);
1619 LASSERT(S_ISREG(la->la_mode));
1620 rc = __osd_object_create(env, osd, obj, fid, &dn, oh->ot_tx, la);
1624 if ((fid_is_idif(fid) || fid_is_norm(fid) || fid_is_echo(fid))) {
1625 /* The minimum block size must be at least page size otherwise
1626 * it will break the assumption in tgt_thread_big_cache where
1627 * the array size is PTLRPC_MAX_BRW_PAGES. It will also affect
1628 * RDMA due to subpage transfer size */
1629 rc = -dmu_object_set_blocksize(osd->od_os, dn->dn_object,
1630 PAGE_SIZE, 0, oh->ot_tx);
1632 CERROR("%s: can't change blocksize: %d\n",
1633 osd->od_svname, rc);
1641 static dnode_t *osd_mksym(const struct lu_env *env, struct osd_object *obj,
1642 struct lu_attr *la, struct osd_thandle *oh)
1647 LASSERT(S_ISLNK(la->la_mode));
1648 rc = __osd_object_create(env, osd_obj2dev(obj), obj,
1649 lu_object_fid(&obj->oo_dt.do_lu),
1650 &dn, oh->ot_tx, la);
1656 static dnode_t *osd_mknod(const struct lu_env *env, struct osd_object *obj,
1657 struct lu_attr *la, struct osd_thandle *oh)
1662 if (S_ISCHR(la->la_mode) || S_ISBLK(la->la_mode))
1663 la->la_valid |= LA_RDEV;
1665 rc = __osd_object_create(env, osd_obj2dev(obj), obj,
1666 lu_object_fid(&obj->oo_dt.do_lu),
1667 &dn, oh->ot_tx, la);
1673 typedef dnode_t *(*osd_obj_type_f)(const struct lu_env *env,
1674 struct osd_object *obj,
1676 struct osd_thandle *oh);
1678 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1680 osd_obj_type_f result;
1706 * Concurrency: @dt is write locked.
1708 static int osd_create(const struct lu_env *env, struct dt_object *dt,
1709 struct lu_attr *attr, struct dt_allocation_hint *hint,
1710 struct dt_object_format *dof, struct thandle *th)
1712 struct osd_thread_info *info = osd_oti_get(env);
1713 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
1714 struct zpl_direntry *zde = &info->oti_zde.lzd_reg;
1715 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1716 struct osd_object *obj = osd_dt_obj(dt);
1717 struct osd_device *osd = osd_obj2dev(obj);
1718 char *buf = info->oti_str;
1719 struct osd_thandle *oh;
1720 dnode_t *dn = NULL, *zdn = NULL;
1721 uint64_t zapid, parent = 0;
1726 LASSERT(!fid_is_acct(fid));
1728 /* concurrent create declarations should not see
1729 * the object inconsistent (db, attr, etc).
1730 * in regular cases acquisition should be cheap */
1731 down_write(&obj->oo_guard);
1733 if (unlikely(dt_object_exists(dt)))
1734 GOTO(out, rc = -EEXIST);
1736 LASSERT(osd_invariant(obj));
1737 LASSERT(dof != NULL);
1739 LASSERT(th != NULL);
1740 oh = container_of0(th, struct osd_thandle, ot_super);
1742 LASSERT(obj->oo_dn == NULL);
1744 /* to follow ZFS on-disk format we need
1745 * to initialize parent dnode properly */
1746 if (hint != NULL && hint->dah_parent != NULL &&
1747 !dt_object_remote(hint->dah_parent))
1748 parent = osd_dt_obj(hint->dah_parent)->oo_dn->dn_object;
1750 /* we may fix some attributes, better do not change the source */
1751 obj->oo_attr = *attr;
1752 obj->oo_attr.la_valid |= LA_SIZE | LA_NLINK | LA_TYPE;
1754 #ifdef ZFS_PROJINHERIT
1755 if (osd->od_projectused_dn) {
1756 if (!(obj->oo_attr.la_valid & LA_PROJID))
1757 obj->oo_attr.la_projid = ZFS_DEFAULT_PROJID;
1758 obj->oo_with_projid = 1;
1762 dn = osd_create_type_f(dof->dof_type)(env, obj, &obj->oo_attr, oh);
1770 zde->zde_dnode = dn->dn_object;
1771 zde->zde_type = IFTODT(attr->la_mode & S_IFMT);
1773 zapid = osd_get_name_n_idx(env, osd, fid, buf,
1774 sizeof(info->oti_str), &zdn);
1775 rc = osd_zap_add(osd, zapid, zdn, buf, 8, 1, zde, oh->ot_tx);
1779 /* Now add in all of the "SA" attributes */
1780 rc = osd_sa_handle_get(obj);
1784 rc = -nvlist_alloc(&obj->oo_sa_xattr, NV_UNIQUE_NAME, KM_SLEEP);
1788 /* initialize LMA */
1789 lustre_lma_init(lma, fid, 0, 0);
1790 lustre_lma_swab(lma);
1791 rc = -nvlist_add_byte_array(obj->oo_sa_xattr, XATTR_NAME_LMA,
1792 (uchar_t *)lma, sizeof(*lma));
1796 /* configure new osd object */
1797 obj->oo_parent = parent != 0 ? parent : zapid;
1798 obj->oo_late_attr_set = 1;
1799 rc = __osd_sa_xattr_schedule_update(env, obj, oh);
1803 /* XXX: oo_lma_flags */
1804 obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
1805 if (likely(!fid_is_acct(lu_object_fid(&obj->oo_dt.do_lu))))
1806 /* no body operations for accounting objects */
1807 obj->oo_dt.do_body_ops = &osd_body_ops;
1809 osd_idc_find_and_init(env, osd, obj);
1812 if (unlikely(rc && dn)) {
1813 dmu_object_free(osd->od_os, dn->dn_object, oh->ot_tx);
1817 obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
1819 up_write(&obj->oo_guard);
1823 static int osd_declare_ref_add(const struct lu_env *env, struct dt_object *dt,
1826 return osd_declare_attr_set(env, dt, NULL, th);
1830 * Concurrency: @dt is write locked.
1832 static int osd_ref_add(const struct lu_env *env, struct dt_object *dt,
1833 struct thandle *handle)
1835 struct osd_object *obj = osd_dt_obj(dt);
1836 struct osd_thandle *oh;
1837 struct osd_device *osd = osd_obj2dev(obj);
1843 down_read(&obj->oo_guard);
1844 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1845 GOTO(out, rc = -ENOENT);
1847 LASSERT(osd_invariant(obj));
1848 LASSERT(obj->oo_sa_hdl != NULL);
1850 oh = container_of0(handle, struct osd_thandle, ot_super);
1852 write_lock(&obj->oo_attr_lock);
1853 nlink = ++obj->oo_attr.la_nlink;
1854 write_unlock(&obj->oo_attr_lock);
1856 rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1859 up_read(&obj->oo_guard);
1863 static int osd_declare_ref_del(const struct lu_env *env, struct dt_object *dt,
1864 struct thandle *handle)
1866 return osd_declare_attr_set(env, dt, NULL, handle);
1870 * Concurrency: @dt is write locked.
1872 static int osd_ref_del(const struct lu_env *env, struct dt_object *dt,
1873 struct thandle *handle)
1875 struct osd_object *obj = osd_dt_obj(dt);
1876 struct osd_thandle *oh;
1877 struct osd_device *osd = osd_obj2dev(obj);
1883 down_read(&obj->oo_guard);
1885 if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
1886 GOTO(out, rc = -ENOENT);
1888 LASSERT(osd_invariant(obj));
1889 LASSERT(obj->oo_sa_hdl != NULL);
1891 oh = container_of0(handle, struct osd_thandle, ot_super);
1892 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
1894 write_lock(&obj->oo_attr_lock);
1895 nlink = --obj->oo_attr.la_nlink;
1896 write_unlock(&obj->oo_attr_lock);
1898 rc = osd_object_sa_update(obj, SA_ZPL_LINKS(osd), &nlink, 8, oh);
1901 up_read(&obj->oo_guard);
1905 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
1906 __u64 start, __u64 end)
1908 struct osd_device *osd = osd_obj2dev(osd_dt_obj(dt));
1911 /* XXX: no other option than syncing the whole filesystem until we
1912 * support ZIL. If the object tracked the txg that it was last
1913 * modified in, it could pass that txg here instead of "0". Maybe
1914 * the changes are already committed, so no wait is needed at all? */
1915 if (!osd->od_dt_dev.dd_rdonly)
1916 txg_wait_synced(dmu_objset_pool(osd->od_os), 0ULL);
1921 static int osd_invalidate(const struct lu_env *env, struct dt_object *dt)
1926 static struct dt_object_operations osd_obj_ops = {
1927 .do_read_lock = osd_read_lock,
1928 .do_write_lock = osd_write_lock,
1929 .do_read_unlock = osd_read_unlock,
1930 .do_write_unlock = osd_write_unlock,
1931 .do_write_locked = osd_write_locked,
1932 .do_attr_get = osd_attr_get,
1933 .do_declare_attr_set = osd_declare_attr_set,
1934 .do_attr_set = osd_attr_set,
1935 .do_ah_init = osd_ah_init,
1936 .do_declare_create = osd_declare_create,
1937 .do_create = osd_create,
1938 .do_declare_destroy = osd_declare_destroy,
1939 .do_destroy = osd_destroy,
1940 .do_index_try = osd_index_try,
1941 .do_declare_ref_add = osd_declare_ref_add,
1942 .do_ref_add = osd_ref_add,
1943 .do_declare_ref_del = osd_declare_ref_del,
1944 .do_ref_del = osd_ref_del,
1945 .do_xattr_get = osd_xattr_get,
1946 .do_declare_xattr_set = osd_declare_xattr_set,
1947 .do_xattr_set = osd_xattr_set,
1948 .do_declare_xattr_del = osd_declare_xattr_del,
1949 .do_xattr_del = osd_xattr_del,
1950 .do_xattr_list = osd_xattr_list,
1951 .do_object_sync = osd_object_sync,
1952 .do_invalidate = osd_invalidate,
1955 static struct lu_object_operations osd_lu_obj_ops = {
1956 .loo_object_init = osd_object_init,
1957 .loo_object_delete = osd_object_delete,
1958 .loo_object_release = osd_object_release,
1959 .loo_object_free = osd_object_free,
1960 .loo_object_print = osd_object_print,
1961 .loo_object_invariant = osd_object_invariant,
1964 static int osd_otable_it_attr_get(const struct lu_env *env,
1965 struct dt_object *dt,
1966 struct lu_attr *attr)
1972 static struct dt_object_operations osd_obj_otable_it_ops = {
1973 .do_attr_get = osd_otable_it_attr_get,
1974 .do_index_try = osd_index_try,