4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2013, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/mdd/mdd_internal.h
38 * Author: Wang Di <wangdi@clusterfs.com>
41 #ifndef _MDD_INTERNAL_H
42 #define _MDD_INTERNAL_H
44 #include <lustre_acl.h>
45 #include <lustre_eacl.h>
46 #include <md_object.h>
47 #include <dt_object.h>
48 #include <lustre_lfsck.h>
49 #include <lustre_fid.h>
50 #include <lustre_capa.h>
51 #include <lprocfs_status.h>
52 #include <lustre_log.h>
53 #include <lustre_linkea.h>
56 /** changelog is recording */
57 #define CLM_ON 0x00001
58 /** internal error prevented changelogs from starting */
59 #define CLM_ERR 0x00002
61 /** changelogs turned on */
62 #define CLM_START 0x10000
63 /** changelogs turned off */
64 #define CLM_FINI 0x20000
65 /** some changelog records purged */
66 #define CLM_PURGE 0x40000
68 struct mdd_changelog {
69 spinlock_t mc_lock; /* for index */
74 spinlock_t mc_user_lock;
78 static inline __u64 cl_time(void) {
81 cfs_fs_time_current(&time);
82 return (((__u64)time.tv_sec) << 30) + time.tv_nsec;
85 /** Objects in .lustre dir */
86 struct mdd_dot_lustre_objs {
87 struct mdd_object *mdd_obf;
88 struct mdd_object *mdd_lpf;
91 struct mdd_generic_thread {
92 struct completion mgt_started;
93 struct completion mgt_finished;
100 struct md_device mdd_md_dev;
101 struct obd_export *mdd_child_exp;
102 struct dt_device *mdd_child;
103 struct dt_device *mdd_bottom;
104 struct lu_fid mdd_root_fid; /* /ROOT */
105 struct lu_fid mdd_local_root_fid;
106 struct dt_device_param mdd_dt_conf;
107 struct dt_object *mdd_orphans; /* PENDING directory */
108 cfs_proc_dir_entry_t *mdd_proc_entry;
109 struct mdd_changelog mdd_cl;
110 unsigned long mdd_atime_diff;
111 struct mdd_object *mdd_dot_lustre;
112 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
113 unsigned int mdd_sync_permission;
115 struct local_oid_storage *mdd_los;
116 struct mdd_generic_thread mdd_orph_cleanup_thread;
120 /* The dir object has been unlinked */
128 struct md_object mod_obj;
133 unsigned long mod_flags;
136 struct mdd_thread_info {
137 struct lu_fid mti_fid;
138 struct lu_fid mti_fid2; /* used for be & cpu converting */
140 * only be used by MDD interfaces, can be passed into local MDD APIs.
142 struct lu_attr mti_pattr;
143 struct lu_attr mti_cattr;
144 struct lu_attr mti_tpattr;
145 struct lu_attr mti_tattr;
146 /** used to set c/mtime */
147 struct lu_attr mti_la_for_fix;
148 /* Only used in mdd_object_start */
149 struct lu_attr mti_la_for_start;
150 /* mti_ent and mti_key must be conjoint,
151 * then mti_ent::lde_name will be mti_key. */
152 struct lu_dirent mti_ent;
153 char mti_key[NAME_MAX + 16];
154 struct lu_buf mti_buf[4];
155 struct lu_buf mti_big_buf; /* biggish persistent buf */
156 struct lu_buf mti_link_buf; /* buf for link ea */
158 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
159 struct dt_allocation_hint mti_hint;
160 struct dt_object_format mti_dof;
161 struct linkea_data mti_link_data;
162 struct md_op_spec mti_spec;
165 extern const char orph_index_name[];
167 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
168 struct lu_attr *la, struct lustre_capa *capa);
169 void mdd_flags_xlate(struct mdd_object *obj, __u32 flags);
170 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
172 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
173 const struct md_attr *ma);
174 int mdd_attr_set_internal(const struct lu_env *env,
175 struct mdd_object *obj,
176 const struct lu_attr *attr,
177 struct thandle *handle,
179 int mdd_update_time(const struct lu_env *env, struct mdd_object *obj,
180 const struct lu_attr *oattr, struct lu_attr *attr,
181 struct thandle *handle);
182 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
183 struct mdd_object *c, struct lu_attr *attr,
184 struct thandle *handle,
185 const struct md_op_spec *spec,
186 struct dt_allocation_hint *hint);
189 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
190 enum mdd_object_role role);
191 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
192 enum mdd_object_role role);
193 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
194 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
195 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
198 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
199 const struct lu_fid *fid, struct lu_fid *sfid);
200 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
201 const struct lu_attr *pattr, struct mdd_object *cobj,
203 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
204 const struct lu_attr *pattr, const struct lu_attr *attr);
205 int mdd_may_delete(const struct lu_env *env, struct mdd_object *tpobj,
206 const struct lu_attr *tpattr, struct mdd_object *tobj,
207 const struct lu_attr *tattr, const struct lu_attr *cattr,
208 int check_perm, int check_empty);
209 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
210 const struct lu_attr *pattr,
211 struct mdd_object *cobj,
212 const struct lu_attr *cattr);
213 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
214 struct md_attr *ma, const struct mdd_object *pobj,
215 const struct lu_name *lname, struct thandle *th);
217 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
218 int mdd_lookup(const struct lu_env *env,
219 struct md_object *pobj, const struct lu_name *lname,
220 struct lu_fid* fid, struct md_op_spec *spec);
221 int mdd_links_read(const struct lu_env *env, struct mdd_object *mdd_obj,
222 struct linkea_data *ldata);
223 int mdd_declare_links_add(const struct lu_env *env, struct mdd_object *mdd_obj,
224 struct thandle *handle, struct linkea_data *ldata);
225 int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
226 struct linkea_data *ldata, struct thandle *handle);
227 struct lu_buf *mdd_links_get(const struct lu_env *env,
228 struct mdd_object *mdd_obj);
229 int mdd_links_rename(const struct lu_env *env,
230 struct mdd_object *mdd_obj,
231 const struct lu_fid *oldpfid,
232 const struct lu_name *oldlname,
233 const struct lu_fid *newpfid,
234 const struct lu_name *newlname,
235 struct thandle *handle,
236 struct linkea_data *ldata,
237 int first, int check);
239 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
241 #define MDD_ENV_VAR(env, var) (&mdd_env_info(env)->mti_##var)
243 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
244 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
245 const void *area, ssize_t len);
247 int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
248 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
250 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
252 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
253 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
254 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
255 umode_t mode, struct thandle *);
256 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
260 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
261 void mdd_procfs_fini(struct mdd_device *mdd);
264 extern struct kmem_cache *mdd_object_kmem;
265 extern const struct md_dir_operations mdd_dir_ops;
266 extern const struct md_object_operations mdd_obj_ops;
267 int mdd_readlink(const struct lu_env *env, struct md_object *obj,
269 int accmode(const struct lu_env *env, const struct lu_attr *la, int flags);
270 extern struct lu_context_key mdd_thread_key;
271 extern const struct lu_device_operations mdd_lu_ops;
273 struct mdd_object *mdd_object_find(const struct lu_env *env,
274 struct mdd_device *d,
275 const struct lu_fid *f);
276 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
277 const struct lu_rdpg *rdpg);
278 int mdd_declare_changelog_store(const struct lu_env *env,
279 struct mdd_device *mdd,
280 const struct lu_name *fname,
281 struct thandle *handle);
282 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
283 struct llog_changelog_rec *rec, struct thandle *th);
284 int mdd_changelog_data_store(const struct lu_env *env, struct mdd_device *mdd,
285 enum changelog_rec_type type, int flags,
286 struct mdd_object *mdd_obj,
287 struct thandle *handle);
288 int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
289 enum changelog_rec_type type, unsigned flags,
290 struct mdd_object *target, struct mdd_object *parent,
291 const struct lu_name *tname, struct thandle *handle);
292 int mdd_declare_object_create_internal(const struct lu_env *env,
293 struct mdd_object *p,
294 struct mdd_object *c,
295 struct lu_attr *attr,
296 struct thandle *handle,
297 const struct md_op_spec *spec,
298 struct dt_allocation_hint *hint);
299 int mdd_get_lov_ea(const struct lu_env *env, struct mdd_object *obj,
300 struct lu_buf *lmm_buf);
303 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
304 struct mdd_object *child, const struct lu_attr *attr,
305 const struct md_op_spec *spec,
306 struct dt_allocation_hint *hint);
308 static inline void mdd_object_get(struct mdd_object *o)
310 lu_object_get(&o->mod_obj.mo_lu);
313 static inline void mdd_object_put(const struct lu_env *env,
314 struct mdd_object *o)
316 lu_object_put(env, &o->mod_obj.mo_lu);
319 struct thandle *mdd_trans_create(const struct lu_env *env,
320 struct mdd_device *mdd);
321 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
323 int mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
324 int rc, struct thandle *handle);
327 struct lu_object *mdd_object_alloc(const struct lu_env *env,
328 const struct lu_object_header *hdr,
329 struct lu_device *d);
330 int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd,
331 const struct lu_fid *pfid, const char *name,
332 __u32 mode, struct lu_fid *fid);
334 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
335 struct thandle *handle);
336 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
337 struct lu_attr *attr, const struct lu_buf *buf, int fl);
338 int __mdd_fix_mode_acl(const struct lu_env *env, struct lu_buf *buf,
340 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
341 const struct lu_attr *la, int mask, int role);
342 int mdd_permission(const struct lu_env *env,
343 struct md_object *pobj, struct md_object *cobj,
344 struct md_attr *ma, int mask);
345 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
346 struct lustre_capa *capa, int renewal);
347 int mdd_generic_thread_start(struct mdd_generic_thread *thread,
348 int (*func)(void *), void *data, char *name);
349 void mdd_generic_thread_stop(struct mdd_generic_thread *thread);
352 int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd);
354 /* inline functions */
355 static inline int lu_device_is_mdd(struct lu_device *d)
357 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
360 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
362 LASSERT(lu_device_is_mdd(d));
363 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
366 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
368 return (&d->mdd_md_dev.md_lu_dev);
371 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
373 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
374 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
377 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
379 return lu2mdd_dev(mdo->mo_lu.lo_dev);
382 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
384 return container_of0(mdo, struct mdd_object, mod_obj);
387 static inline const struct dt_device_operations *
388 mdd_child_ops(struct mdd_device *d)
390 return d->mdd_child->dd_ops;
393 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
395 return &obj->mod_obj.mo_lu;
398 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
400 return container_of0(lu_object_next(mdd2lu_obj(o)),
401 struct dt_object, do_lu);
404 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
406 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
409 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
411 return mdo2mdd(&obj->mod_obj);
414 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
416 return lu_object_fid(&obj->mod_obj.mo_lu);
419 static inline umode_t mdd_object_type(const struct mdd_object *obj)
421 return lu_object_attr(&obj->mod_obj.mo_lu);
424 static inline int mdd_is_immutable(struct mdd_object *obj)
426 return obj->mod_flags & IMMUTE_OBJ;
429 static inline int mdd_is_dead_obj(struct mdd_object *obj)
431 return obj && obj->mod_flags & DEAD_OBJ;
434 static inline int mdd_is_append(struct mdd_object *obj)
436 return obj->mod_flags & APPEND_OBJ;
439 static inline int mdd_object_exists(struct mdd_object *obj)
441 return lu_object_exists(mdd2lu_obj(obj));
444 static inline int mdd_object_remote(struct mdd_object *obj)
446 return lu_object_remote(mdd2lu_obj(obj));
449 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
451 return lu_object_fid(mdd2lu_obj(obj));
454 static inline struct seq_server_site *mdd_seq_site(struct mdd_device *mdd)
456 return mdd2lu_dev(mdd)->ld_site->ld_seq_site;
459 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
460 const struct mdd_object *obj)
462 struct lu_capainfo *lci = lu_capainfo_get(env);
463 const struct lu_fid *fid = mdo2fid(obj);
466 /* NB: in mdt_init0 */
470 for (i = 0; i < LU_CAPAINFO_MAX; i++)
471 if (lu_fid_eq(&lci->lci_fid[i], fid))
472 return lci->lci_capa[i];
476 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
477 const struct mdd_object *obj,
478 struct lustre_capa *capa)
480 struct lu_capainfo *lci = lu_capainfo_get(env);
481 const struct lu_fid *fid = mdo2fid(obj);
483 LASSERT(offset >= 0 && offset < LU_CAPAINFO_MAX);
484 /* NB: in mdt_init0 */
488 lci->lci_fid[offset] = *fid;
489 lci->lci_capa[offset] = capa;
492 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
494 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
497 #define MAX_ATIME_DIFF 60
499 static inline int mdd_permission_internal(const struct lu_env *env,
500 struct mdd_object *obj,
501 const struct lu_attr *la, int mask)
503 return __mdd_permission_internal(env, obj, la, mask, -1);
506 static inline int mdd_permission_internal_locked(const struct lu_env *env,
507 struct mdd_object *obj,
508 const struct lu_attr *la,
510 enum mdd_object_role role)
512 return __mdd_permission_internal(env, obj, la, mask, role);
515 /* mdd inline func for calling osd_dt_object ops */
516 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
517 struct lu_attr *la, struct lustre_capa *capa)
519 struct dt_object *next = mdd_object_child(obj);
520 return next->do_ops->do_attr_get(env, next, la, capa);
523 static inline int mdo_declare_attr_set(const struct lu_env *env,
524 struct mdd_object *obj,
525 const struct lu_attr *la,
526 struct thandle *handle)
528 struct dt_object *next = mdd_object_child(obj);
529 return dt_declare_attr_set(env, next, la, handle);
532 static inline int mdo_attr_set(const struct lu_env *env,
533 struct mdd_object *obj,
534 const struct lu_attr *la,
535 struct thandle *handle,
536 struct lustre_capa *capa)
538 struct dt_object *next = mdd_object_child(obj);
539 if (mdd_object_exists(obj) == 0) {
540 CERROR("%s: object "DFID" not found: rc = -2\n",
541 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
544 return next->do_ops->do_attr_set(env, next, la, handle, capa);
547 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
548 struct lu_buf *buf, const char *name,
549 struct lustre_capa *capa)
551 struct dt_object *next = mdd_object_child(obj);
552 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
555 static inline int mdo_declare_xattr_set(const struct lu_env *env,
556 struct mdd_object *obj,
557 const struct lu_buf *buf,
559 int fl, struct thandle *handle)
561 struct dt_object *next = mdd_object_child(obj);
562 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
565 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
566 const struct lu_buf *buf, const char *name,
567 int fl, struct thandle *handle,
568 struct lustre_capa *capa)
570 struct dt_object *next = mdd_object_child(obj);
571 if (mdd_object_exists(obj) == 0) {
572 CERROR("%s: object "DFID" not found: rc = -2\n",
573 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
576 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
580 static inline int mdo_declare_xattr_del(const struct lu_env *env,
581 struct mdd_object *obj,
583 struct thandle *handle)
585 struct dt_object *next = mdd_object_child(obj);
586 return dt_declare_xattr_del(env, next, name, handle);
589 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
590 const char *name, struct thandle *handle,
591 struct lustre_capa *capa)
593 struct dt_object *next = mdd_object_child(obj);
594 if (mdd_object_exists(obj) == 0) {
595 CERROR("%s: object "DFID" not found: rc = -2\n",
596 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
599 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
603 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
604 struct lu_buf *buf, struct lustre_capa *capa)
606 struct dt_object *next = mdd_object_child(obj);
607 if (mdd_object_exists(obj) == 0) {
608 CERROR("%s: object "DFID" not found: rc = -2\n",
609 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
612 return next->do_ops->do_xattr_list(env, next, buf, capa);
616 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
617 const struct lu_fid *fid, const char *name,
618 struct thandle *handle)
620 struct dt_object *next = mdd_object_child(obj);
624 * if the object doesn't exist yet, then it's supposed to be created
625 * and declaration of the creation should be enough to insert ./..
627 /* FIXME: remote object should not be awared by MDD layer, but local
628 * creation does not declare insert ./.. (comments above), which
629 * is required by remote directory creation.
630 * This remote check should be removed when mdd_object_exists check is
633 if (mdd_object_exists(obj) || mdd_object_remote(obj)) {
635 if (dt_try_as_dir(env, next))
636 rc = dt_declare_insert(env, next,
637 (struct dt_rec *)fid,
638 (const struct dt_key *)name,
646 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
647 const char *name, struct thandle *handle)
649 struct dt_object *next = mdd_object_child(obj);
651 if (!dt_try_as_dir(env, next))
654 return dt_declare_delete(env, next, (const struct dt_key *)name,
658 static inline int mdo_declare_ref_add(const struct lu_env *env,
659 struct mdd_object *obj,
660 struct thandle *handle)
662 struct dt_object *next = mdd_object_child(obj);
663 return dt_declare_ref_add(env, next, handle);
666 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
667 struct thandle *handle)
669 struct dt_object *next = mdd_object_child(obj);
670 if (mdd_object_exists(obj) == 0) {
671 CERROR("%s: object "DFID" not found: rc = -2\n",
672 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
675 return next->do_ops->do_ref_add(env, next, handle);
678 static inline int mdo_declare_ref_del(const struct lu_env *env,
679 struct mdd_object *obj,
680 struct thandle *handle)
682 struct dt_object *next = mdd_object_child(obj);
683 return dt_declare_ref_del(env, next, handle);
686 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
687 struct thandle *handle)
689 struct dt_object *next = mdd_object_child(obj);
690 if (mdd_object_exists(obj) == 0) {
691 CERROR("%s: object "DFID" not found: rc = -2\n",
692 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
695 return next->do_ops->do_ref_del(env, next, handle);
699 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
700 struct lu_attr *attr,
701 struct dt_allocation_hint *hint,
702 struct dt_object_format *dof,
703 struct thandle *handle)
705 struct dt_object *next = mdd_object_child(o);
706 return next->do_ops->do_declare_create(env, next, attr, hint,
711 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
712 struct lu_attr *attr,
713 struct dt_allocation_hint *hint,
714 struct dt_object_format *dof,
715 struct thandle *handle)
717 struct dt_object *next = mdd_object_child(o);
720 rc = next->do_ops->do_create(env, next, attr, hint, dof, handle);
726 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
727 struct thandle *handle)
729 struct dt_object *next = mdd_object_child(o);
730 return dt_declare_destroy(env, next, handle);
734 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
735 struct thandle *handle)
737 struct dt_object *next = mdd_object_child(o);
738 return dt_destroy(env, next, handle);
741 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
742 struct mdd_object *obj,
743 struct lustre_capa *old,
746 struct dt_object *next = mdd_object_child(obj);
747 if (mdd_object_exists(obj) == 0) {
748 CERROR("%s: object "DFID" not found: rc = -2\n",
749 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
750 return ERR_PTR(-ENOENT);
752 return next->do_ops->do_capa_get(env, next, old, opc);