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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/mdd/mdd_internal.h
34 * Author: Wang Di <wangdi@clusterfs.com>
37 #ifndef _MDD_INTERNAL_H
38 #define _MDD_INTERNAL_H
40 #include <lustre_acl.h>
41 #include <lustre_compat.h>
42 #include <lustre_eacl.h>
43 #include <md_object.h>
44 #include <dt_object.h>
45 #include <lustre_lfsck.h>
46 #include <lustre_fid.h>
47 #include <lprocfs_status.h>
48 #include <lustre_log.h>
49 #include <lustre_linkea.h>
51 /* ChangeLog params for automatic purge mechanism */
52 /* max time allowed for a user to stay idle in seconds */
53 #define CHLOG_MAX_IDLE_TIME 2592000 /* = 30 days */
54 /* max gap allowed for a user to stay idle in number of ChangeLog records
55 * this is an evaluation, assuming that chunk-size is LLOG_MIN_CHUNK_SIZE, of
56 * the indexes gap for half full changelogs */
57 #define CHLOG_MAX_IDLE_INDEXES (((LLOG_MIN_CHUNK_SIZE - \
58 offsetof(struct llog_log_hdr, \
60 sizeof(struct llog_rec_tail)) * 4) * \
61 ((LLOG_MIN_CHUNK_SIZE - \
62 offsetof(struct llog_log_hdr, \
64 sizeof(struct llog_rec_tail)) * 8))
65 /* min time in seconds between two gc thread runs if none already started */
66 #define CHLOG_MIN_GC_INTERVAL 3600
67 /* minimum number of free ChangeLog catalog entries (ie, between cur and
68 * last indexes) before starting garbage collect */
69 #define CHLOG_MIN_FREE_CAT_ENTRIES 2
72 /** changelog is recording */
73 #define CLM_ON 0x00001
74 /** internal error prevented changelogs from starting */
75 #define CLM_ERR 0x00002
77 /** changelogs turned on */
78 #define CLM_START 0x10000
79 /** changelogs turned off */
80 #define CLM_FINI 0x20000
81 /** some changelog records purged */
82 #define CLM_PURGE 0x40000
84 #define LLOG_CHANGELOG_HDR_SZ (sizeof(struct llog_changelog_rec) - \
85 sizeof(struct changelog_rec))
87 struct mdd_changelog {
88 spinlock_t mc_lock; /* for index */
93 spinlock_t mc_user_lock;
95 struct task_struct *mc_gc_task;
97 unsigned int mc_deniednext; /* interval for recording denied
102 static inline __u64 cl_time(void)
104 struct timespec64 time;
106 ktime_get_real_ts64(&time);
107 return (((__u64)time.tv_sec) << 30) + time.tv_nsec;
110 /** Objects in .lustre dir */
111 struct mdd_dot_lustre_objs {
112 struct mdd_object *mdd_obf;
113 struct mdd_object *mdd_lpf;
116 struct mdd_generic_thread {
117 struct completion mgt_started;
118 struct completion mgt_finished;
125 struct md_device mdd_md_dev;
126 struct obd_export *mdd_child_exp;
127 struct dt_device *mdd_child;
128 struct dt_device *mdd_bottom;
129 struct lu_fid mdd_root_fid; /* /ROOT */
130 struct lu_fid mdd_local_root_fid;
131 struct dt_device_param mdd_dt_conf;
132 struct dt_object *mdd_orphans; /* PENDING directory */
133 struct proc_dir_entry *mdd_proc_entry;
134 struct mdd_changelog mdd_cl;
135 unsigned int mdd_changelog_gc;
136 time64_t mdd_changelog_max_idle_time;
137 unsigned long mdd_changelog_max_idle_indexes;
138 time64_t mdd_changelog_min_gc_interval;
139 unsigned int mdd_changelog_min_free_cat_entries;
140 time64_t mdd_atime_diff;
141 struct mdd_object *mdd_dot_lustre;
142 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
143 unsigned int mdd_sync_permission;
145 struct local_oid_storage *mdd_los;
146 struct mdd_generic_thread mdd_orphan_cleanup_thread;
150 /* The dir object has been unlinked */
153 VOLATILE_OBJ = 1 << 4,
157 struct md_object mod_obj;
162 unsigned long mod_flags;
163 struct list_head mod_users; /**< unique user opens */
166 struct mdd_thread_info {
167 struct lu_fid mti_fid;
168 struct lu_fid mti_fid2; /* used for be & cpu converting */
170 * only be used by MDD interfaces, can be passed into local MDD APIs.
172 struct lu_attr mti_pattr;
173 struct lu_attr mti_cattr;
174 struct lu_attr mti_tpattr;
175 struct lu_attr mti_tattr;
176 /** used to set c/mtime */
177 struct lu_attr mti_la_for_fix;
178 /* Only used in mdd_object_start */
179 struct lu_attr mti_la_for_start;
180 /* mti_ent and mti_key must be conjoint,
181 * then mti_ent::lde_name will be mti_key. */
182 struct lu_dirent mti_ent;
183 char mti_key[NAME_MAX + 16];
184 struct lu_buf mti_buf[4];
185 struct lu_buf mti_big_buf; /* biggish persistent buf */
186 struct lu_buf mti_link_buf; /* buf for link ea */
187 struct lu_buf mti_xattr_buf;
189 struct dt_allocation_hint mti_hint;
190 struct dt_object_format mti_dof;
191 struct linkea_data mti_link_data;
192 struct md_op_spec mti_spec;
193 struct dt_insert_rec mti_dt_rec;
194 struct lfsck_req_local mti_lrl;
195 struct lu_seq_range mti_range;
198 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
200 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
202 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
203 const struct md_attr *ma);
204 int mdd_attr_set_internal(const struct lu_env *env,
205 struct mdd_object *obj,
206 const struct lu_attr *attr,
207 struct thandle *handle,
209 int mdd_update_time(const struct lu_env *env, struct mdd_object *obj,
210 const struct lu_attr *oattr, struct lu_attr *attr,
211 struct thandle *handle);
212 int mdd_create_object_internal(const struct lu_env *env, struct mdd_object *p,
213 struct mdd_object *c, struct lu_attr *attr,
214 struct thandle *handle,
215 const struct md_op_spec *spec,
216 struct dt_allocation_hint *hint);
219 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
220 enum mdd_object_role role);
221 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
222 enum mdd_object_role role);
223 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
224 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
225 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
228 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
229 const struct lu_fid *fid, struct lu_fid *sfid);
230 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
231 const struct lu_attr *pattr, struct mdd_object *cobj,
233 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
234 const struct lu_attr *pattr, const struct lu_attr *attr);
235 int mdd_may_delete(const struct lu_env *env, struct mdd_object *tpobj,
236 const struct lu_attr *tpattr, struct mdd_object *tobj,
237 const struct lu_attr *tattr, const struct lu_attr *cattr,
238 int check_perm, int check_empty);
239 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
240 const struct lu_attr *pattr,
241 struct mdd_object *cobj,
242 const struct lu_attr *cattr);
243 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
244 struct md_attr *ma, const struct mdd_object *pobj,
245 const struct lu_name *lname, struct thandle *th);
247 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
248 int mdd_lookup(const struct lu_env *env,
249 struct md_object *pobj, const struct lu_name *lname,
250 struct lu_fid* fid, struct md_op_spec *spec);
251 int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
252 struct linkea_data *ldata, struct thandle *handle);
253 struct lu_buf *mdd_links_get(const struct lu_env *env,
254 struct mdd_object *mdd_obj);
255 int mdd_links_rename(const struct lu_env *env,
256 struct mdd_object *mdd_obj,
257 const struct lu_fid *oldpfid,
258 const struct lu_name *oldlname,
259 const struct lu_fid *newpfid,
260 const struct lu_name *newlname,
261 struct thandle *handle,
262 struct linkea_data *ldata,
263 int first, int check);
265 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
267 #define MDD_ENV_VAR(env, var) (&mdd_env_info(env)->mti_##var)
269 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
270 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
271 const void *area, ssize_t len);
273 int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
274 int mdd_orphan_insert(const struct lu_env *env, struct mdd_object *obj,
275 struct thandle *thandle);
276 int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj,
277 struct thandle *thandle);
278 int mdd_orphan_index_init(const struct lu_env *env, struct mdd_device *mdd);
279 void mdd_orphan_index_fini(const struct lu_env *env, struct mdd_device *mdd);
280 int mdd_orphan_declare_insert(const struct lu_env *env, struct mdd_object *obj,
281 umode_t mode, struct thandle *thandle);
282 int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj,
283 struct thandle *thandle);
286 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
287 void mdd_procfs_fini(struct mdd_device *mdd);
290 extern struct kmem_cache *mdd_object_kmem;
291 extern const struct md_dir_operations mdd_dir_ops;
292 extern const struct md_object_operations mdd_obj_ops;
293 int mdd_readlink(const struct lu_env *env, struct md_object *obj,
295 int accmode(const struct lu_env *env, const struct lu_attr *la, int flags);
296 extern struct lu_context_key mdd_thread_key;
297 extern const struct lu_device_operations mdd_lu_ops;
299 struct mdd_object *mdd_object_find(const struct lu_env *env,
300 struct mdd_device *d,
301 const struct lu_fid *f);
302 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
303 const struct lu_rdpg *rdpg);
304 int mdd_declare_changelog_store(const struct lu_env *env,
305 struct mdd_device *mdd,
306 const struct lu_name *tname,
307 const struct lu_name *sname,
308 struct thandle *handle);
309 void mdd_changelog_rec_ext_jobid(struct changelog_rec *rec, const char *jobid);
310 void mdd_changelog_rec_ext_extra_flags(struct changelog_rec *rec, __u64 eflags);
311 void mdd_changelog_rec_extra_uidgid(struct changelog_rec *rec,
312 __u64 uid, __u64 gid);
313 void mdd_changelog_rec_extra_nid(struct changelog_rec *rec,
315 void mdd_changelog_rec_extra_omode(struct changelog_rec *rec, int flags);
316 void mdd_changelog_rec_extra_xattr(struct changelog_rec *rec,
317 const char *xattr_name);
318 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
319 struct llog_changelog_rec *rec, struct thandle *th);
320 int mdd_changelog_data_store(const struct lu_env *env, struct mdd_device *mdd,
321 enum changelog_rec_type type, int flags,
322 struct mdd_object *mdd_obj,
323 struct thandle *handle);
324 int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
325 enum changelog_rec_type type,
326 enum changelog_rec_flags crf,
327 struct mdd_object *target,
328 const struct lu_fid *tpfid,
329 const struct lu_fid *sfid,
330 const struct lu_fid *spfid,
331 const struct lu_name *tname,
332 const struct lu_name *sname,
333 struct thandle *handle);
334 int mdd_invalidate(const struct lu_env *env, struct md_object *obj);
335 int mdd_declare_create_object_internal(const struct lu_env *env,
336 struct mdd_object *p,
337 struct mdd_object *c,
338 struct lu_attr *attr,
339 struct thandle *handle,
340 const struct md_op_spec *spec,
341 struct dt_allocation_hint *hint);
342 int mdd_get_lov_ea(const struct lu_env *env, struct mdd_object *obj,
343 struct lu_buf *lmm_buf);
346 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
347 struct mdd_object *child, const struct lu_attr *attr,
348 const struct md_op_spec *spec,
349 struct dt_allocation_hint *hint);
351 static inline void mdd_object_get(struct mdd_object *o)
353 lu_object_get(&o->mod_obj.mo_lu);
356 static inline void mdd_object_put(const struct lu_env *env,
357 struct mdd_object *o)
359 lu_object_put(env, &o->mod_obj.mo_lu);
362 struct thandle *mdd_trans_create(const struct lu_env *env,
363 struct mdd_device *mdd);
364 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
366 int mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
367 int rc, struct thandle *handle);
370 struct lu_object *mdd_object_alloc(const struct lu_env *env,
371 const struct lu_object_header *hdr,
372 struct lu_device *d);
373 int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd,
374 const struct lu_fid *pfid, const char *name,
375 __u32 mode, struct lu_fid *fid);
377 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
378 struct thandle *handle);
379 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
380 struct lu_attr *attr, const struct lu_buf *buf, int fl);
381 int __mdd_fix_mode_acl(const struct lu_env *env, struct lu_buf *buf,
383 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
384 const struct lu_attr *la, int mask, int role);
385 int mdd_permission(const struct lu_env *env,
386 struct md_object *pobj, struct md_object *cobj,
387 struct md_attr *ma, int mask);
388 int mdd_generic_thread_start(struct mdd_generic_thread *thread,
389 int (*func)(void *), void *data, char *name);
390 void mdd_generic_thread_stop(struct mdd_generic_thread *thread);
391 int mdd_changelog_user_purge(const struct lu_env *env, struct mdd_device *mdd,
395 int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd);
397 /* inline functions */
398 static inline int lu_device_is_mdd(struct lu_device *d)
400 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
403 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
405 LASSERT(lu_device_is_mdd(d));
406 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
409 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
411 return (&d->mdd_md_dev.md_lu_dev);
414 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
416 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
417 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
420 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
422 return lu2mdd_dev(mdo->mo_lu.lo_dev);
425 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
427 return container_of0(mdo, struct mdd_object, mod_obj);
430 static inline const struct dt_device_operations *
431 mdd_child_ops(struct mdd_device *d)
433 return d->mdd_child->dd_ops;
436 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
438 return &obj->mod_obj.mo_lu;
441 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
443 return container_of0(lu_object_next(mdd2lu_obj(o)),
444 struct dt_object, do_lu);
447 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
449 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
452 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
454 return mdo2mdd(&obj->mod_obj);
457 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
459 return lu_object_fid(&obj->mod_obj.mo_lu);
462 static inline umode_t mdd_object_type(const struct mdd_object *obj)
464 return lu_object_attr(&obj->mod_obj.mo_lu);
467 static inline int mdd_is_dead_obj(struct mdd_object *obj)
469 return obj && obj->mod_flags & DEAD_OBJ;
472 static inline bool mdd_is_volatile_obj(struct mdd_object *obj)
474 return obj->mod_flags & VOLATILE_OBJ;
477 static inline int mdd_object_exists(struct mdd_object *obj)
479 return lu_object_exists(mdd2lu_obj(obj));
482 static inline int mdd_object_remote(struct mdd_object *obj)
484 return lu_object_remote(mdd2lu_obj(obj));
487 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
489 return lu_object_fid(mdd2lu_obj(obj));
492 static inline struct seq_server_site *mdd_seq_site(struct mdd_device *mdd)
494 return mdd2lu_dev(mdd)->ld_site->ld_seq_site;
497 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
499 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
502 #define MAX_ATIME_DIFF 60
504 static inline int mdd_permission_internal(const struct lu_env *env,
505 struct mdd_object *obj,
506 const struct lu_attr *la, int mask)
508 return __mdd_permission_internal(env, obj, la, mask, -1);
511 static inline int mdd_permission_internal_locked(const struct lu_env *env,
512 struct mdd_object *obj,
513 const struct lu_attr *la,
515 enum mdd_object_role role)
517 return __mdd_permission_internal(env, obj, la, mask, role);
520 /* mdd inline func for calling osd_dt_object ops */
521 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
524 struct dt_object *next = mdd_object_child(obj);
525 return dt_attr_get(env, next, la);
528 static inline int mdo_declare_attr_set(const struct lu_env *env,
529 struct mdd_object *obj,
530 const struct lu_attr *la,
531 struct thandle *handle)
533 struct dt_object *next = mdd_object_child(obj);
534 return dt_declare_attr_set(env, next, la, handle);
537 static inline int mdo_attr_set(const struct lu_env *env,
538 struct mdd_object *obj,
539 const struct lu_attr *la,
540 struct thandle *handle)
542 struct dt_object *next = mdd_object_child(obj);
544 if (!mdd_object_exists(obj))
547 return dt_attr_set(env, next, la, handle);
550 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
551 struct lu_buf *buf, const char *name)
553 struct dt_object *next = mdd_object_child(obj);
554 return dt_xattr_get(env, next, buf, name);
557 static inline int mdo_declare_xattr_set(const struct lu_env *env,
558 struct mdd_object *obj,
559 const struct lu_buf *buf,
561 int fl, struct thandle *handle)
563 struct dt_object *next = mdd_object_child(obj);
564 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
567 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
568 const struct lu_buf *buf, const char *name,
569 int fl, struct thandle *handle)
571 struct dt_object *next = mdd_object_child(obj);
573 if (!mdd_object_exists(obj))
576 return dt_xattr_set(env, next, buf, name, fl, handle);
579 static inline int mdo_declare_xattr_del(const struct lu_env *env,
580 struct mdd_object *obj,
582 struct thandle *handle)
584 struct dt_object *next = mdd_object_child(obj);
585 return dt_declare_xattr_del(env, next, name, handle);
588 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
589 const char *name, struct thandle *handle)
591 struct dt_object *next = mdd_object_child(obj);
593 if (!mdd_object_exists(obj))
596 return dt_xattr_del(env, next, name, handle);
600 mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
603 struct dt_object *next = mdd_object_child(obj);
605 if (!mdd_object_exists(obj))
608 return dt_xattr_list(env, next, buf);
612 mdo_invalidate(const struct lu_env *env, struct mdd_object *obj)
614 return dt_invalidate(env, mdd_object_child(obj));
618 mdo_declare_layout_change(const struct lu_env *env, struct mdd_object *obj,
619 struct md_layout_change *mlc, struct thandle *handle)
621 return dt_declare_layout_change(env, mdd_object_child(obj),
626 mdo_layout_change(const struct lu_env *env, struct mdd_object *obj,
627 struct md_layout_change *mlc, struct thandle *handle)
629 return dt_layout_change(env, mdd_object_child(obj), mlc, handle);
633 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
634 const struct lu_fid *fid, __u32 type,
635 const char *name, struct thandle *handle)
637 struct dt_object *next = mdd_object_child(obj);
641 * if the object doesn't exist yet, then it's supposed to be created
642 * and declaration of the creation should be enough to insert ./..
646 if (dt_try_as_dir(env, next)) {
647 struct dt_insert_rec *rec = &mdd_env_info(env)->mti_dt_rec;
650 rec->rec_type = type;
651 rc = dt_declare_insert(env, next, (const struct dt_rec *)rec,
652 (const struct dt_key *)name, handle);
659 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
660 const char *name, struct thandle *handle)
662 struct dt_object *next = mdd_object_child(obj);
664 if (!dt_try_as_dir(env, next))
667 return dt_declare_delete(env, next, (const struct dt_key *)name,
671 static inline int mdo_declare_ref_add(const struct lu_env *env,
672 struct mdd_object *obj,
673 struct thandle *handle)
675 struct dt_object *next = mdd_object_child(obj);
676 return dt_declare_ref_add(env, next, handle);
679 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
680 struct thandle *handle)
682 struct dt_object *next = mdd_object_child(obj);
684 if (!mdd_object_exists(obj))
687 return dt_ref_add(env, next, handle);
690 static inline int mdo_declare_ref_del(const struct lu_env *env,
691 struct mdd_object *obj,
692 struct thandle *handle)
694 struct dt_object *next = mdd_object_child(obj);
695 return dt_declare_ref_del(env, next, handle);
698 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
699 struct thandle *handle)
701 struct dt_object *next = mdd_object_child(obj);
703 if (!mdd_object_exists(obj))
706 return dt_ref_del(env, next, handle);
710 mdo_declare_create_object(const struct lu_env *env, struct mdd_object *obj,
711 struct lu_attr *attr, struct dt_allocation_hint *hint,
712 struct dt_object_format *dof, struct thandle *handle)
714 struct dt_object *next = mdd_object_child(obj);
715 return dt_declare_create(env, next, attr, hint, dof, handle);
719 mdo_create_object(const struct lu_env *env, struct mdd_object *obj,
720 struct lu_attr *attr, struct dt_allocation_hint *hint,
721 struct dt_object_format *dof, struct thandle *handle)
723 struct dt_object *next = mdd_object_child(obj);
724 return dt_create(env, next, attr, hint, dof, handle);
728 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
729 struct thandle *handle)
731 struct dt_object *next = mdd_object_child(o);
732 return dt_declare_destroy(env, next, handle);
736 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
737 struct thandle *handle)
739 struct dt_object *next = mdd_object_child(o);
740 return dt_destroy(env, next, handle);
743 static inline int recording_changelog(const struct lu_env *env,
744 struct mdd_device *mdd)
746 const struct lu_ucred *uc = lu_ucred_check(env);
748 return (mdd->mdd_cl.mc_flags & CLM_ON) &&
749 (uc ? uc->uc_enable_audit : 1);