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 {
126 struct md_object mod_obj;
130 unsigned long mod_flags;
131 struct dynlock mod_pdlock;
132 #ifdef CONFIG_LOCKDEP
133 /* "dep_map" name is assumed by lockdep.h macros. */
134 struct lockdep_map dep_map;
139 /* fid of the object*/
140 struct lu_fid ok_fid;
141 /* type of operation: unlink, truncate */
143 } __attribute__((packed));
145 struct mdd_thread_info {
146 struct txn_param mti_param;
147 struct lu_fid mti_fid;
148 struct lu_attr mti_la;
149 struct md_attr mti_ma;
150 struct lu_attr mti_la_for_fix;
151 struct obd_info mti_oi;
152 struct orph_key mti_orph_key;
153 struct obd_trans_info mti_oti;
154 struct lu_buf mti_buf;
156 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
157 struct lu_fid mti_fid2; /* used for be & cpu converting */
158 struct lu_fid_pack mti_pack;
159 struct dt_allocation_hint mti_hint;
160 struct lov_mds_md *mti_max_lmm;
161 int mti_max_lmm_size;
162 struct llog_cookie *mti_max_cookie;
163 int mti_max_cookie_size;
164 struct obd_quotactl mti_oqctl;
167 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
168 struct mdd_device *mdd);
170 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
171 struct mdd_device *mdd);
173 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
174 struct lustre_cfg *cfg);
175 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
176 struct lustre_cfg *lcfg);
177 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
178 const struct lu_buf *buf, const char *name, int fl,
179 struct thandle *txn);
180 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
181 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
182 struct mdd_object *child, struct lov_mds_md *lmm,
183 int lmm_size, struct thandle *handle, int set_stripe);
184 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
185 struct mdd_object *parent, struct mdd_object *child,
186 struct lov_mds_md **lmm, int *lmm_size,
187 const struct md_op_spec *spec, struct lu_attr *la);
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 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
219 struct mdd_object *obj,
220 struct lu_attr *attr,
221 struct thandle *handle,
223 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
226 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
227 enum mdd_object_role role);
228 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
229 enum mdd_object_role role);
230 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
231 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
233 void mdd_pdlock_init(struct mdd_object *obj);
234 unsigned long mdd_name2hash(const char *name);
235 struct dynlock_handle *mdd_pdo_write_lock(const struct lu_env *env,
236 struct mdd_object *obj,
238 enum mdd_object_role role);
239 struct dynlock_handle *mdd_pdo_read_lock(const struct lu_env *env,
240 struct mdd_object *obj,
242 enum mdd_object_role role);
243 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
244 struct dynlock_handle *dlh);
245 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
246 struct dynlock_handle *dlh);
248 void __mdd_ref_add(const struct lu_env *env, struct mdd_object *obj,
249 struct thandle *handle);
250 void __mdd_ref_del(const struct lu_env *env, struct mdd_object *obj,
251 struct thandle *handle, int is_dot);
252 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
253 struct mdd_object *cobj, int check_perm, int check_nlink);
254 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
255 const struct md_attr *ma);
256 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
257 struct mdd_object *cobj, struct md_attr *ma,
258 int check_perm, int check_empty);
259 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
260 struct mdd_object *cobj, struct md_attr *ma);
261 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
262 struct md_attr *ma, struct thandle *th);
263 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
264 struct mdd_object *child, struct md_attr *ma,
265 struct thandle *handle);
266 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
267 const struct lu_name *lname, struct mdd_object *src_obj);
269 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
270 struct mdd_object *mdd_cobj, struct md_attr *ma);
272 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
273 const struct md_attr *ma,
274 struct lov_mds_md *lmm, int lmm_size,
275 struct llog_cookie *logcookies, int cookies_size);
277 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
278 struct lov_mds_md *lmm);
280 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
281 struct lov_mds_md *lmm, int lmm_size,
282 struct llog_cookie *logcookies);
284 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
286 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
287 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
288 const void *area, ssize_t len);
290 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
291 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
293 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
295 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
296 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
297 int mdd_txn_init_credits(const struct lu_env *env, struct mdd_device *mdd);
300 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
301 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
302 int mdd_procfs_fini(struct mdd_device *mdd);
303 void mdd_lprocfs_time_start(const struct lu_env *env);
304 void mdd_lprocfs_time_end(const struct lu_env *env,
305 struct mdd_device *mdd, int op);
307 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
309 extern const struct md_dir_operations mdd_dir_ops;
310 extern const struct md_object_operations mdd_obj_ops;
313 #ifdef HAVE_QUOTA_SUPPORT
314 int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
315 int mdd_quota_setup(const struct lu_env *env, struct md_device *m,
317 int mdd_quota_cleanup(const struct lu_env *env, struct md_device *m);
318 int mdd_quota_recovery(const struct lu_env *env, struct md_device *m);
319 int mdd_quota_check(const struct lu_env *env, struct md_device *m,
320 struct obd_export *exp, __u32 type);
321 int mdd_quota_on(const struct lu_env *env, struct md_device *m,
322 __u32 type, __u32 id);
323 int mdd_quota_off(const struct lu_env *env, struct md_device *m,
324 __u32 type, __u32 id);
325 int mdd_quota_setinfo(const struct lu_env *env, struct md_device *m,
326 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
327 int mdd_quota_getinfo(const struct lu_env *env, const struct md_device *m,
328 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
329 int mdd_quota_setquota(const struct lu_env *env, struct md_device *m,
330 __u32 type, __u32 id, struct obd_dqblk *dqblk);
331 int mdd_quota_getquota(const struct lu_env *env, const struct md_device *m,
332 __u32 type, __u32 id, struct obd_dqblk *dqblk);
333 int mdd_quota_getoinfo(const struct lu_env *env, const struct md_device *m,
334 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
335 int mdd_quota_getoquota(const struct lu_env *env, const struct md_device *m,
336 __u32 type, __u32 id, struct obd_dqblk *dqblk);
337 int mdd_quota_invalidate(const struct lu_env *env, struct md_device *m,
339 int mdd_quota_finvalidate(const struct lu_env *env, struct md_device *m,
344 void mdd_txn_param_build(const struct lu_env *env, struct mdd_device *mdd,
346 int mdd_log_txn_param_build(const struct lu_env *env, struct md_object *obj,
347 struct md_attr *ma, enum mdd_txn_op);
348 int mdd_setattr_txn_param_build(const struct lu_env *env, struct md_object *obj,
349 struct md_attr *ma, enum mdd_txn_op);
351 static inline void mdd_object_put(const struct lu_env *env,
352 struct mdd_object *o)
354 lu_object_put(env, &o->mod_obj.mo_lu);
357 struct thandle* mdd_trans_start(const struct lu_env *env,
358 struct mdd_device *);
360 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
361 int rc, struct thandle *handle);
363 int mdd_txn_start_cb(const struct lu_env *env, struct txn_param *param,
366 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
369 int mdd_txn_commit_cb(const struct lu_env *env, struct thandle *txn,
372 struct lu_object *mdd_object_alloc(const struct lu_env *env,
373 const struct lu_object_header *hdr,
374 struct lu_device *d);
377 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
378 extern struct lu_context_key mdd_thread_key;
379 extern const struct lu_device_operations mdd_lu_ops;
381 struct mdd_object *mdd_object_find(const struct lu_env *env,
382 struct mdd_device *d,
383 const struct lu_fid *f);
385 /* mdd_permission.c */
386 #define mdd_cap_t(x) (x)
388 #define MDD_CAP_TO_MASK(x) (1 << (x))
390 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
392 /* capable() is copied from linux kernel! */
393 static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap)
395 if (mdd_cap_raised(uc->mu_cap, cap))
400 int mdd_def_acl_get(const struct lu_env *env, struct mdd_object *mdd_obj,
402 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
403 struct thandle *handle);
404 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
405 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
406 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
407 struct lu_attr *la, int mask, int role);
408 int mdd_permission(const struct lu_env *env,
409 struct md_object *pobj, struct md_object *cobj,
410 struct md_attr *ma, int mask);
411 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
412 struct lustre_capa *capa, int renewal);
414 static inline int lu_device_is_mdd(struct lu_device *d)
416 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
419 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
421 LASSERT(lu_device_is_mdd(d));
422 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
425 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
427 return (&d->mdd_md_dev.md_lu_dev);
430 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
432 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
433 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
436 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
438 return lu2mdd_dev(mdo->mo_lu.lo_dev);
441 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
443 return container_of0(mdo, struct mdd_object, mod_obj);
446 static inline const struct dt_device_operations *
447 mdd_child_ops(struct mdd_device *d)
449 return d->mdd_child->dd_ops;
452 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
454 return &obj->mod_obj.mo_lu;
457 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
459 return container_of0(lu_object_next(mdd2lu_obj(o)),
460 struct dt_object, do_lu);
463 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
465 return mdd->mdd_obd_dev;
468 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
470 return mdo2mdd(&obj->mod_obj);
473 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
475 return lu_object_fid(&obj->mod_obj.mo_lu);
478 static inline umode_t mdd_object_type(const struct mdd_object *obj)
480 return lu_object_attr(&obj->mod_obj.mo_lu);
483 static inline int mdd_lov_mdsize(const struct lu_env *env,
484 struct mdd_device *mdd)
486 struct obd_device *obd = mdd2obd_dev(mdd);
487 return obd->u.mds.mds_max_mdsize;
490 static inline int mdd_lov_cookiesize(const struct lu_env *env,
491 struct mdd_device *mdd)
493 struct obd_device *obd = mdd2obd_dev(mdd);
494 return obd->u.mds.mds_max_cookiesize;
497 static inline int mdd_is_immutable(struct mdd_object *obj)
499 return obj->mod_flags & IMMUTE_OBJ;
502 static inline int mdd_is_dead_obj(struct mdd_object *obj)
504 return obj && obj->mod_flags & DEAD_OBJ;
507 static inline int mdd_is_append(struct mdd_object *obj)
509 return obj->mod_flags & APPEND_OBJ;
512 static inline int mdd_is_mnlink(struct mdd_object *obj)
514 return obj->mod_flags & MNLINK_OBJ;
517 static inline int mdd_object_exists(struct mdd_object *obj)
519 return lu_object_exists(mdd2lu_obj(obj));
522 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
524 return lu_object_fid(mdd2lu_obj(obj));
527 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
528 const struct mdd_object *obj)
530 struct md_capainfo *ci = md_capainfo(env);
531 const struct lu_fid *fid = mdo2fid(obj);
534 /* NB: in mdt_init0 */
537 for (i = 0; i < MD_CAPAINFO_MAX; i++)
538 if (ci->mc_fid[i] && lu_fid_eq(ci->mc_fid[i], fid))
539 return ci->mc_capa[i];
543 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
544 const struct mdd_object *obj,
545 struct lustre_capa *capa)
547 struct md_capainfo *ci = md_capainfo(env);
548 const struct lu_fid *fid = mdo2fid(obj);
550 LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX);
551 /* NB: in mdt_init0 */
554 ci->mc_fid[offset] = fid;
555 ci->mc_capa[offset] = capa;
558 #define MAX_ATIME_DIFF 60
564 static inline int mdd_permission_internal(const struct lu_env *env,
565 struct mdd_object *obj,
566 struct lu_attr *la, int mask)
568 return __mdd_permission_internal(env, obj, la, mask, -1);
571 static inline int mdd_permission_internal_locked(const struct lu_env *env,
572 struct mdd_object *obj,
573 struct lu_attr *la, int mask,
574 enum mdd_object_role role)
576 return __mdd_permission_internal(env, obj, la, mask, role);
579 /* mdd inline func for calling osd_dt_object ops */
580 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
581 struct lu_attr *la, struct lustre_capa *capa)
583 struct dt_object *next = mdd_object_child(obj);
584 return next->do_ops->do_attr_get(env, next, la, capa);
587 static inline int mdo_attr_set(const struct lu_env *env, struct mdd_object *obj,
588 const struct lu_attr *la, struct thandle *handle,
589 struct lustre_capa *capa)
591 struct dt_object *next = mdd_object_child(obj);
592 LASSERT(mdd_object_exists(obj));
593 return next->do_ops->do_attr_set(env, next, la, handle, capa);
596 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
597 struct lu_buf *buf, const char *name,
598 struct lustre_capa *capa)
600 struct dt_object *next = mdd_object_child(obj);
601 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
604 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
605 const struct lu_buf *buf, const char *name,
606 int fl, struct thandle *handle,
607 struct lustre_capa *capa)
609 struct dt_object *next = mdd_object_child(obj);
610 LASSERT(mdd_object_exists(obj));
611 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
615 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
616 const char *name, struct thandle *handle,
617 struct lustre_capa *capa)
619 struct dt_object *next = mdd_object_child(obj);
620 LASSERT(mdd_object_exists(obj));
621 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
625 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
626 struct lu_buf *buf, struct lustre_capa *capa)
628 struct dt_object *next = mdd_object_child(obj);
629 LASSERT(mdd_object_exists(obj));
630 return next->do_ops->do_xattr_list(env, next, buf, capa);
634 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
635 const struct dt_index_features *feat)
637 struct dt_object *next = mdd_object_child(obj);
638 return next->do_ops->do_index_try(env, next, feat);
641 static inline void mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
642 struct thandle *handle)
644 struct dt_object *next = mdd_object_child(obj);
645 LASSERT(mdd_object_exists(obj));
646 return next->do_ops->do_ref_add(env, next, handle);
649 static inline void mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
650 struct thandle *handle)
652 struct dt_object *next = mdd_object_child(obj);
653 LASSERT(mdd_object_exists(obj));
654 return next->do_ops->do_ref_del(env, next, handle);
658 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
659 struct lu_attr *attr,
660 struct dt_allocation_hint *hint,
661 struct thandle *handle)
663 struct dt_object *next = mdd_object_child(o);
664 return next->do_ops->do_create(env, next, attr, hint, handle);
667 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
668 struct mdd_object *obj,
669 struct lustre_capa *old,
672 struct dt_object *next = mdd_object_child(obj);
673 LASSERT(mdd_object_exists(obj));
674 return next->do_ops->do_capa_get(env, next, old, opc);