1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
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 <asm/semaphore.h>
46 #include <lustre_acl.h>
47 #include <lustre_eacl.h>
49 #include <md_object.h>
50 #include <dt_object.h>
51 #include <linux/sched.h>
52 #include <linux/capability.h>
53 #include <linux/dynlocks.h>
54 #ifdef HAVE_QUOTA_SUPPORT
55 # include <lustre_quota.h>
57 #include <lustre_fsfilt.h>
59 #ifdef HAVE_QUOTA_SUPPORT
61 extern quota_interface_t *mds_quota_interface_ref;
63 static inline void mdd_quota_wrapper(struct lu_attr *la, unsigned int *qids)
71 MDD_TXN_OBJECT_DESTROY_OP = 0,
72 MDD_TXN_OBJECT_CREATE_OP,
75 MDD_TXN_INDEX_INSERT_OP,
76 MDD_TXN_INDEX_DELETE_OP,
80 MDD_TXN_RENAME_TGT_OP,
81 MDD_TXN_CREATE_DATA_OP,
86 struct mdd_txn_op_descr {
87 enum mdd_txn_op mod_op;
88 unsigned int mod_credits;
92 struct md_device mdd_md_dev;
93 struct dt_device *mdd_child;
94 struct obd_device *mdd_obd_dev;
95 struct lu_fid mdd_root_fid;
96 struct dt_device_param mdd_dt_conf;
97 struct dt_object *mdd_orphans;
98 struct dt_txn_callback mdd_txn_cb;
99 cfs_proc_dir_entry_t *mdd_proc_entry;
100 struct lprocfs_stats *mdd_stats;
101 struct mdd_txn_op_descr mdd_tod[MDD_TXN_LAST_OP];
102 unsigned long mdd_atime_diff;
106 /* The dir object has been unlinked */
114 #define LUSTRE_APPEND_FL LDISKFS_APPEND_FL
115 #define LUSTRE_IMMUTABLE_FL LDISKFS_IMMUTABLE_FL
116 #define LUSTRE_DIRSYNC_FL LDISKFS_DIRSYNC_FL
118 enum mdd_object_role {
127 struct md_object mod_obj;
131 unsigned long mod_flags;
132 struct dynlock mod_pdlock;
133 #ifdef CONFIG_LOCKDEP
134 /* "dep_map" name is assumed by lockdep.h macros. */
135 struct lockdep_map dep_map;
139 struct mdd_thread_info {
140 struct txn_param mti_param;
141 struct lu_fid mti_fid;
142 struct lu_attr mti_la;
143 struct md_attr mti_ma;
144 struct lu_attr mti_la_for_fix;
145 struct obd_info mti_oi;
146 char mti_orph_key[NAME_MAX + 1];
147 struct obd_trans_info mti_oti;
148 struct lu_buf mti_buf;
150 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
151 struct lu_fid mti_fid2; /* used for be & cpu converting */
152 struct lu_fid_pack mti_pack;
153 struct dt_allocation_hint mti_hint;
154 struct lov_mds_md *mti_max_lmm;
155 int mti_max_lmm_size;
156 struct llog_cookie *mti_max_cookie;
157 int mti_max_cookie_size;
158 struct dt_object_format mti_dof;
159 struct obd_quotactl mti_oqctl;
162 extern const char orph_index_name[];
164 extern const struct dt_index_features orph_index_features;
166 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
167 struct mdd_device *mdd);
169 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
170 struct mdd_device *mdd);
172 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
173 struct lustre_cfg *cfg);
174 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
175 struct lustre_cfg *lcfg);
176 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
177 const struct lu_buf *buf, const char *name, int fl,
178 struct thandle *txn);
179 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
180 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
181 struct mdd_object *child, struct lov_mds_md *lmm,
182 int lmm_size, struct thandle *handle, int set_stripe);
183 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
184 struct mdd_object *parent, struct mdd_object *child,
185 struct lov_mds_md **lmm, int *lmm_size,
186 const struct md_op_spec *spec, struct lu_attr *la);
187 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
188 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
189 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
190 struct lov_mds_md *lmm, int lmm_size,
191 const struct md_op_spec *spec);
192 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
193 void *md, int *md_size, const char *name);
194 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
195 void *md, int *md_size, const char *name);
196 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
197 struct lu_attr *la, struct lustre_capa *capa);
198 int mdd_attr_set_internal(const struct lu_env *env,
199 struct mdd_object *obj,
200 struct lu_attr *attr,
201 struct thandle *handle,
203 int mdd_attr_check_set_internal(const struct lu_env *env,
204 struct mdd_object *obj,
205 struct lu_attr *attr,
206 struct thandle *handle,
208 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
210 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
212 int mdd_attr_get_internal_locked(const struct lu_env *env,
213 struct mdd_object *mdd_obj,
215 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
216 struct mdd_object *c, struct md_attr *ma,
217 struct thandle *handle,
218 const struct md_op_spec *spec);
219 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
220 struct mdd_object *obj,
221 struct lu_attr *attr,
222 struct thandle *handle,
224 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
227 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
228 enum mdd_object_role role);
229 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
230 enum mdd_object_role role);
231 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
232 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
234 void mdd_pdlock_init(struct mdd_object *obj);
235 unsigned long mdd_name2hash(const char *name);
236 struct dynlock_handle *mdd_pdo_write_lock(const struct lu_env *env,
237 struct mdd_object *obj,
239 enum mdd_object_role role);
240 struct dynlock_handle *mdd_pdo_read_lock(const struct lu_env *env,
241 struct mdd_object *obj,
243 enum mdd_object_role role);
244 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
245 struct dynlock_handle *dlh);
246 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
247 struct dynlock_handle *dlh);
249 void __mdd_ref_add(const struct lu_env *env, struct mdd_object *obj,
250 struct thandle *handle);
251 void __mdd_ref_del(const struct lu_env *env, struct mdd_object *obj,
252 struct thandle *handle, int is_dot);
253 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
254 struct mdd_object *cobj, int check_perm, int check_nlink);
255 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
256 const struct md_attr *ma);
257 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
258 struct mdd_object *cobj, struct md_attr *ma,
259 int check_perm, int check_empty);
260 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
261 struct mdd_object *cobj, struct md_attr *ma);
262 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
263 struct md_attr *ma, struct thandle *th);
264 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
265 struct mdd_object *child, struct md_attr *ma,
266 struct thandle *handle, const struct md_op_spec *spec);
267 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
268 const struct lu_name *lname, struct mdd_object *src_obj);
270 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
271 struct mdd_object *mdd_cobj, struct md_attr *ma);
273 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
274 const struct md_attr *ma,
275 struct lov_mds_md *lmm, int lmm_size,
276 struct llog_cookie *logcookies, int cookies_size);
278 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
279 struct lov_mds_md *lmm);
281 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
282 struct lov_mds_md *lmm, int lmm_size,
283 struct llog_cookie *logcookies);
285 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
287 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
288 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
289 const void *area, ssize_t len);
291 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
292 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
294 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
296 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
297 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
298 int mdd_txn_init_credits(const struct lu_env *env, struct mdd_device *mdd);
301 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
302 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
303 int mdd_procfs_fini(struct mdd_device *mdd);
304 void mdd_lprocfs_time_start(const struct lu_env *env);
305 void mdd_lprocfs_time_end(const struct lu_env *env,
306 struct mdd_device *mdd, int op);
308 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
310 extern const struct md_dir_operations mdd_dir_ops;
311 extern const struct md_object_operations mdd_obj_ops;
314 #ifdef HAVE_QUOTA_SUPPORT
315 int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
316 int mdd_quota_setup(const struct lu_env *env, struct md_device *m,
318 int mdd_quota_cleanup(const struct lu_env *env, struct md_device *m);
319 int mdd_quota_recovery(const struct lu_env *env, struct md_device *m);
320 int mdd_quota_check(const struct lu_env *env, struct md_device *m,
321 struct obd_export *exp, __u32 type);
322 int mdd_quota_on(const struct lu_env *env, struct md_device *m,
324 int mdd_quota_off(const struct lu_env *env, struct md_device *m,
326 int mdd_quota_setinfo(const struct lu_env *env, struct md_device *m,
327 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
328 int mdd_quota_getinfo(const struct lu_env *env, const struct md_device *m,
329 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
330 int mdd_quota_setquota(const struct lu_env *env, struct md_device *m,
331 __u32 type, __u32 id, struct obd_dqblk *dqblk);
332 int mdd_quota_getquota(const struct lu_env *env, const struct md_device *m,
333 __u32 type, __u32 id, struct obd_dqblk *dqblk);
334 int mdd_quota_getoinfo(const struct lu_env *env, const struct md_device *m,
335 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
336 int mdd_quota_getoquota(const struct lu_env *env, const struct md_device *m,
337 __u32 type, __u32 id, struct obd_dqblk *dqblk);
338 int mdd_quota_invalidate(const struct lu_env *env, struct md_device *m,
340 int mdd_quota_finvalidate(const struct lu_env *env, struct md_device *m,
345 void mdd_txn_param_build(const struct lu_env *env, struct mdd_device *mdd,
347 int mdd_log_txn_param_build(const struct lu_env *env, struct md_object *obj,
348 struct md_attr *ma, enum mdd_txn_op);
349 int mdd_setattr_txn_param_build(const struct lu_env *env, struct md_object *obj,
350 struct md_attr *ma, enum mdd_txn_op);
352 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
353 struct mdd_object *obj, struct lu_attr *la);
355 static inline void mdd_object_put(const struct lu_env *env,
356 struct mdd_object *o)
358 lu_object_put(env, &o->mod_obj.mo_lu);
361 struct thandle* mdd_trans_start(const struct lu_env *env,
362 struct mdd_device *);
364 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
365 int rc, struct thandle *handle);
367 int mdd_txn_start_cb(const struct lu_env *env, struct txn_param *param,
370 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
373 int mdd_txn_commit_cb(const struct lu_env *env, struct thandle *txn,
376 struct lu_object *mdd_object_alloc(const struct lu_env *env,
377 const struct lu_object_header *hdr,
378 struct lu_device *d);
381 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
382 extern struct lu_context_key mdd_thread_key;
383 extern const struct lu_device_operations mdd_lu_ops;
385 struct mdd_object *mdd_object_find(const struct lu_env *env,
386 struct mdd_device *d,
387 const struct lu_fid *f);
389 /* mdd_permission.c */
390 #define mdd_cap_t(x) (x)
392 #define MDD_CAP_TO_MASK(x) (1 << (x))
394 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
396 /* capable() is copied from linux kernel! */
397 static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap)
399 if (mdd_cap_raised(uc->mu_cap, cap))
404 int mdd_def_acl_get(const struct lu_env *env, struct mdd_object *mdd_obj,
406 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
407 struct thandle *handle);
408 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
409 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
410 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
411 struct lu_attr *la, int mask, int role);
412 int mdd_permission(const struct lu_env *env,
413 struct md_object *pobj, struct md_object *cobj,
414 struct md_attr *ma, int mask);
415 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
416 struct lustre_capa *capa, int renewal);
418 static inline int lu_device_is_mdd(struct lu_device *d)
420 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
423 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
425 LASSERT(lu_device_is_mdd(d));
426 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
429 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
431 return (&d->mdd_md_dev.md_lu_dev);
434 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
436 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
437 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
440 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
442 return lu2mdd_dev(mdo->mo_lu.lo_dev);
445 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
447 return container_of0(mdo, struct mdd_object, mod_obj);
450 static inline const struct dt_device_operations *
451 mdd_child_ops(struct mdd_device *d)
453 return d->mdd_child->dd_ops;
456 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
458 return &obj->mod_obj.mo_lu;
461 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
463 return container_of0(lu_object_next(mdd2lu_obj(o)),
464 struct dt_object, do_lu);
467 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
469 return mdd->mdd_obd_dev;
472 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
474 return mdo2mdd(&obj->mod_obj);
477 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
479 return lu_object_fid(&obj->mod_obj.mo_lu);
482 static inline const struct dt_rec *__mdd_fid_rec(const struct lu_env *env,
483 const struct lu_fid *fid)
485 struct lu_fid_pack *pack = &mdd_env_info(env)->mti_pack;
487 fid_pack(pack, fid, &mdd_env_info(env)->mti_fid2);
488 return (const struct dt_rec *)pack;
491 static inline umode_t mdd_object_type(const struct mdd_object *obj)
493 return lu_object_attr(&obj->mod_obj.mo_lu);
496 static inline int mdd_lov_mdsize(const struct lu_env *env,
497 struct mdd_device *mdd)
499 struct obd_device *obd = mdd2obd_dev(mdd);
500 return obd->u.mds.mds_max_mdsize;
503 static inline int mdd_lov_cookiesize(const struct lu_env *env,
504 struct mdd_device *mdd)
506 struct obd_device *obd = mdd2obd_dev(mdd);
507 return obd->u.mds.mds_max_cookiesize;
510 static inline int mdd_is_immutable(struct mdd_object *obj)
512 return obj->mod_flags & IMMUTE_OBJ;
515 static inline int mdd_is_dead_obj(struct mdd_object *obj)
517 return obj && obj->mod_flags & DEAD_OBJ;
520 static inline int mdd_is_append(struct mdd_object *obj)
522 return obj->mod_flags & APPEND_OBJ;
525 static inline int mdd_is_mnlink(struct mdd_object *obj)
527 return obj->mod_flags & MNLINK_OBJ;
530 static inline int mdd_object_exists(struct mdd_object *obj)
532 return lu_object_exists(mdd2lu_obj(obj));
535 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
537 return lu_object_fid(mdd2lu_obj(obj));
540 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
541 const struct mdd_object *obj)
543 struct md_capainfo *ci = md_capainfo(env);
544 const struct lu_fid *fid = mdo2fid(obj);
547 /* NB: in mdt_init0 */
550 for (i = 0; i < MD_CAPAINFO_MAX; i++)
551 if (ci->mc_fid[i] && lu_fid_eq(ci->mc_fid[i], fid))
552 return ci->mc_capa[i];
556 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
557 const struct mdd_object *obj,
558 struct lustre_capa *capa)
560 struct md_capainfo *ci = md_capainfo(env);
561 const struct lu_fid *fid = mdo2fid(obj);
563 LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX);
564 /* NB: in mdt_init0 */
567 ci->mc_fid[offset] = fid;
568 ci->mc_capa[offset] = capa;
571 #define MAX_ATIME_DIFF 60
577 static inline int mdd_permission_internal(const struct lu_env *env,
578 struct mdd_object *obj,
579 struct lu_attr *la, int mask)
581 return __mdd_permission_internal(env, obj, la, mask, -1);
584 static inline int mdd_permission_internal_locked(const struct lu_env *env,
585 struct mdd_object *obj,
586 struct lu_attr *la, int mask,
587 enum mdd_object_role role)
589 return __mdd_permission_internal(env, obj, la, mask, role);
592 /* mdd inline func for calling osd_dt_object ops */
593 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
594 struct lu_attr *la, struct lustre_capa *capa)
596 struct dt_object *next = mdd_object_child(obj);
597 return next->do_ops->do_attr_get(env, next, la, capa);
600 static inline int mdo_attr_set(const struct lu_env *env, struct mdd_object *obj,
601 const struct lu_attr *la, struct thandle *handle,
602 struct lustre_capa *capa)
604 struct dt_object *next = mdd_object_child(obj);
605 LASSERT(mdd_object_exists(obj));
606 return next->do_ops->do_attr_set(env, next, la, handle, capa);
609 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
610 struct lu_buf *buf, const char *name,
611 struct lustre_capa *capa)
613 struct dt_object *next = mdd_object_child(obj);
614 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
617 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
618 const struct lu_buf *buf, const char *name,
619 int fl, struct thandle *handle,
620 struct lustre_capa *capa)
622 struct dt_object *next = mdd_object_child(obj);
623 LASSERT(mdd_object_exists(obj));
624 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
628 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
629 const char *name, struct thandle *handle,
630 struct lustre_capa *capa)
632 struct dt_object *next = mdd_object_child(obj);
633 LASSERT(mdd_object_exists(obj));
634 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
638 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
639 struct lu_buf *buf, struct lustre_capa *capa)
641 struct dt_object *next = mdd_object_child(obj);
642 LASSERT(mdd_object_exists(obj));
643 return next->do_ops->do_xattr_list(env, next, buf, capa);
647 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
648 const struct dt_index_features *feat)
650 struct dt_object *next = mdd_object_child(obj);
651 return next->do_ops->do_index_try(env, next, feat);
654 static inline void mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
655 struct thandle *handle)
657 struct dt_object *next = mdd_object_child(obj);
658 LASSERT(mdd_object_exists(obj));
659 return next->do_ops->do_ref_add(env, next, handle);
662 static inline void mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
663 struct thandle *handle)
665 struct dt_object *next = mdd_object_child(obj);
666 LASSERT(mdd_object_exists(obj));
667 return next->do_ops->do_ref_del(env, next, handle);
671 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
672 struct lu_attr *attr,
673 struct dt_allocation_hint *hint,
674 struct dt_object_format *dof,
675 struct thandle *handle)
677 struct dt_object *next = mdd_object_child(o);
678 return next->do_ops->do_create(env, next, attr, hint, dof, handle);
681 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
682 struct mdd_object *obj,
683 struct lustre_capa *old,
686 struct dt_object *next = mdd_object_child(obj);
687 LASSERT(mdd_object_exists(obj));
688 return next->do_ops->do_capa_get(env, next, old, opc);