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))
86 /* mc_gc_task values */
87 /** no GC thread to be started **/
88 #define MDD_CHLG_GC_NONE NULL
89 /** a GC thread need to be started **/
90 #define MDD_CHLG_GC_NEED (struct task_struct *)(-1)
91 /** a GC thread will be started now **/
92 #define MDD_CHLG_GC_START (struct task_struct *)(-2)
93 /** else the started task_struct address when running **/
95 struct mdd_changelog {
96 spinlock_t mc_lock; /* for index */
100 ktime_t mc_starttime;
101 spinlock_t mc_user_lock;
103 int mc_users; /* registered users number */
104 struct task_struct *mc_gc_task;
105 time64_t mc_gc_time; /* last GC check or run time */
106 unsigned int mc_deniednext; /* interval for recording denied
111 static inline __u64 cl_time(void)
113 struct timespec64 time;
115 ktime_get_real_ts64(&time);
116 return (((__u64)time.tv_sec) << 30) + time.tv_nsec;
119 /** Objects in .lustre dir */
120 struct mdd_dot_lustre_objs {
121 struct mdd_object *mdd_obf;
122 struct mdd_object *mdd_lpf;
125 struct mdd_generic_thread {
126 struct completion mgt_started;
127 struct completion mgt_finished;
134 struct md_device mdd_md_dev;
135 struct obd_export *mdd_child_exp;
136 struct dt_device *mdd_child;
137 struct dt_device *mdd_bottom;
138 struct lu_fid mdd_root_fid; /* /ROOT */
139 struct lu_fid mdd_local_root_fid;
140 struct dt_device_param mdd_dt_conf;
141 struct dt_object *mdd_orphans; /* PENDING directory */
142 struct proc_dir_entry *mdd_proc_entry;
143 struct mdd_changelog mdd_cl;
144 unsigned int mdd_changelog_gc;
145 time64_t mdd_changelog_max_idle_time;
146 unsigned long mdd_changelog_max_idle_indexes;
147 time64_t mdd_changelog_min_gc_interval;
148 unsigned int mdd_changelog_min_free_cat_entries;
149 time64_t mdd_atime_diff;
150 struct mdd_object *mdd_dot_lustre;
151 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
152 unsigned int mdd_sync_permission;
154 struct local_oid_storage *mdd_los;
155 struct mdd_generic_thread mdd_orphan_cleanup_thread;
159 /* The dir object has been unlinked */
162 VOLATILE_OBJ = 1 << 4,
166 struct md_object mod_obj;
171 unsigned long mod_flags;
172 struct list_head mod_users; /**< unique user opens */
175 struct mdd_thread_info {
176 struct lu_fid mti_fid;
177 struct lu_fid mti_fid2; /* used for be & cpu converting */
179 * only be used by MDD interfaces, can be passed into local MDD APIs.
181 struct lu_attr mti_pattr;
182 struct lu_attr mti_cattr;
183 struct lu_attr mti_tpattr;
184 struct lu_attr mti_tattr;
185 /** used to set c/mtime */
186 struct lu_attr mti_la_for_fix;
187 /* Only used in mdd_object_start */
188 struct lu_attr mti_la_for_start;
189 /* mti_ent and mti_key must be conjoint,
190 * then mti_ent::lde_name will be mti_key. */
191 struct lu_dirent mti_ent;
192 char mti_key[NAME_MAX + 16];
193 struct lu_buf mti_buf[4];
194 struct lu_buf mti_big_buf; /* biggish persistent buf */
195 struct lu_buf mti_link_buf; /* buf for link ea */
196 struct lu_buf mti_xattr_buf;
198 struct dt_allocation_hint mti_hint;
199 struct dt_object_format mti_dof;
200 struct linkea_data mti_link_data;
201 struct md_op_spec mti_spec;
202 struct dt_insert_rec mti_dt_rec;
203 struct lfsck_req_local mti_lrl;
204 struct lu_seq_range mti_range;
207 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
209 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
211 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
212 const struct md_attr *ma);
213 int mdd_attr_set_internal(const struct lu_env *env,
214 struct mdd_object *obj,
215 const struct lu_attr *attr,
216 struct thandle *handle,
218 int mdd_update_time(const struct lu_env *env, struct mdd_object *obj,
219 const struct lu_attr *oattr, struct lu_attr *attr,
220 struct thandle *handle);
221 int mdd_create_object_internal(const struct lu_env *env, struct mdd_object *p,
222 struct mdd_object *c, struct lu_attr *attr,
223 struct thandle *handle,
224 const struct md_op_spec *spec,
225 struct dt_allocation_hint *hint);
228 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
229 enum mdd_object_role role);
230 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
231 enum mdd_object_role role);
232 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
233 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
234 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
237 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
238 const struct lu_attr *pattr, struct mdd_object *cobj,
240 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
241 const struct lu_attr *pattr, const struct lu_attr *attr);
242 int mdd_may_delete(const struct lu_env *env, struct mdd_object *tpobj,
243 const struct lu_attr *tpattr, struct mdd_object *tobj,
244 const struct lu_attr *tattr, const struct lu_attr *cattr,
245 int check_perm, int check_empty);
246 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
247 const struct lu_attr *pattr,
248 struct mdd_object *cobj,
249 const struct lu_attr *cattr);
250 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
251 struct md_attr *ma, const struct mdd_object *pobj,
252 const struct lu_name *lname, struct thandle *th);
254 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
255 int mdd_lookup(const struct lu_env *env,
256 struct md_object *pobj, const struct lu_name *lname,
257 struct lu_fid* fid, struct md_op_spec *spec);
258 int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
259 struct linkea_data *ldata, struct thandle *handle);
260 struct lu_buf *mdd_links_get(const struct lu_env *env,
261 struct mdd_object *mdd_obj);
262 int mdd_links_rename(const struct lu_env *env,
263 struct mdd_object *mdd_obj,
264 const struct lu_fid *oldpfid,
265 const struct lu_name *oldlname,
266 const struct lu_fid *newpfid,
267 const struct lu_name *newlname,
268 struct thandle *handle,
269 struct linkea_data *ldata,
270 int first, int check);
272 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
274 #define MDD_ENV_VAR(env, var) (&mdd_env_info(env)->mti_##var)
276 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
277 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
278 const void *area, ssize_t len);
280 int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
281 int mdd_orphan_insert(const struct lu_env *env, struct mdd_object *obj,
282 struct thandle *thandle);
283 int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj,
284 struct thandle *thandle);
285 int mdd_orphan_index_init(const struct lu_env *env, struct mdd_device *mdd);
286 void mdd_orphan_index_fini(const struct lu_env *env, struct mdd_device *mdd);
287 int mdd_orphan_declare_insert(const struct lu_env *env, struct mdd_object *obj,
288 umode_t mode, struct thandle *thandle);
289 int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj,
290 struct thandle *thandle);
293 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
294 void mdd_procfs_fini(struct mdd_device *mdd);
297 extern struct kmem_cache *mdd_object_kmem;
298 extern const struct md_dir_operations mdd_dir_ops;
299 extern const struct md_object_operations mdd_obj_ops;
300 int mdd_readlink(const struct lu_env *env, struct md_object *obj,
302 int accmode(const struct lu_env *env, const struct lu_attr *la, int flags);
303 extern struct lu_context_key mdd_thread_key;
304 extern const struct lu_device_operations mdd_lu_ops;
306 struct mdd_object *mdd_object_find(const struct lu_env *env,
307 struct mdd_device *d,
308 const struct lu_fid *f);
309 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
310 const struct lu_rdpg *rdpg);
311 int mdd_declare_changelog_store(const struct lu_env *env,
312 struct mdd_device *mdd,
313 enum changelog_rec_type type,
314 const struct lu_name *tname,
315 const struct lu_name *sname,
316 struct thandle *handle);
317 void mdd_changelog_rec_ext_jobid(struct changelog_rec *rec, const char *jobid);
318 void mdd_changelog_rec_ext_extra_flags(struct changelog_rec *rec, __u64 eflags);
319 void mdd_changelog_rec_extra_uidgid(struct changelog_rec *rec,
320 __u64 uid, __u64 gid);
321 void mdd_changelog_rec_extra_nid(struct changelog_rec *rec,
323 void mdd_changelog_rec_extra_omode(struct changelog_rec *rec, int flags);
324 void mdd_changelog_rec_extra_xattr(struct changelog_rec *rec,
325 const char *xattr_name);
326 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
327 struct llog_changelog_rec *rec, struct thandle *th);
328 int mdd_changelog_data_store(const struct lu_env *env, struct mdd_device *mdd,
329 enum changelog_rec_type type, int flags,
330 struct mdd_object *mdd_obj,
331 struct thandle *handle);
332 int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
333 enum changelog_rec_type type,
334 enum changelog_rec_flags crf,
335 struct mdd_object *target,
336 const struct lu_fid *tpfid,
337 const struct lu_fid *sfid,
338 const struct lu_fid *spfid,
339 const struct lu_name *tname,
340 const struct lu_name *sname,
341 struct thandle *handle);
342 int mdd_invalidate(const struct lu_env *env, struct md_object *obj);
343 int mdd_declare_create_object_internal(const struct lu_env *env,
344 struct mdd_object *p,
345 struct mdd_object *c,
346 struct lu_attr *attr,
347 struct thandle *handle,
348 const struct md_op_spec *spec,
349 struct dt_allocation_hint *hint);
350 int mdd_get_lov_ea(const struct lu_env *env, struct mdd_object *obj,
351 struct lu_buf *lmm_buf);
354 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
355 struct mdd_object *child, const struct lu_attr *attr,
356 const struct md_op_spec *spec,
357 struct dt_allocation_hint *hint);
359 static inline void mdd_object_get(struct mdd_object *o)
361 lu_object_get(&o->mod_obj.mo_lu);
364 static inline void mdd_object_put(const struct lu_env *env,
365 struct mdd_object *o)
367 lu_object_put(env, &o->mod_obj.mo_lu);
370 struct thandle *mdd_trans_create(const struct lu_env *env,
371 struct mdd_device *mdd);
372 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
374 int mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
375 int rc, struct thandle *handle);
378 struct lu_object *mdd_object_alloc(const struct lu_env *env,
379 const struct lu_object_header *hdr,
380 struct lu_device *d);
381 int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd,
382 const struct lu_fid *pfid, const char *name,
383 __u32 mode, struct lu_fid *fid);
385 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
386 struct thandle *handle);
387 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
388 struct lu_attr *attr, const struct lu_buf *buf, int fl);
389 int __mdd_fix_mode_acl(const struct lu_env *env, struct lu_buf *buf,
391 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
392 const struct lu_attr *la, int mask, int role);
393 int mdd_permission(const struct lu_env *env,
394 struct md_object *pobj, struct md_object *cobj,
395 struct md_attr *ma, int mask);
396 int mdd_generic_thread_start(struct mdd_generic_thread *thread,
397 int (*func)(void *), void *data, char *name);
398 void mdd_generic_thread_stop(struct mdd_generic_thread *thread);
399 int mdd_changelog_user_purge(const struct lu_env *env, struct mdd_device *mdd,
403 int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd);
405 /* inline functions */
406 static inline int lu_device_is_mdd(struct lu_device *d)
408 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
411 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
413 LASSERT(lu_device_is_mdd(d));
414 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
417 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
419 return (&d->mdd_md_dev.md_lu_dev);
422 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
424 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
425 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
428 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
430 return lu2mdd_dev(mdo->mo_lu.lo_dev);
433 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
435 return container_of0(mdo, struct mdd_object, mod_obj);
438 static inline const struct dt_device_operations *
439 mdd_child_ops(struct mdd_device *d)
441 return d->mdd_child->dd_ops;
444 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
446 return &obj->mod_obj.mo_lu;
449 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
451 return container_of0(lu_object_next(mdd2lu_obj(o)),
452 struct dt_object, do_lu);
455 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
457 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
460 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
462 return mdo2mdd(&obj->mod_obj);
465 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
467 return lu_object_fid(&obj->mod_obj.mo_lu);
470 static inline umode_t mdd_object_type(const struct mdd_object *obj)
472 return lu_object_attr(&obj->mod_obj.mo_lu);
475 static inline int mdd_is_dead_obj(struct mdd_object *obj)
477 return obj && obj->mod_flags & DEAD_OBJ;
480 static inline bool mdd_is_volatile_obj(struct mdd_object *obj)
482 return obj->mod_flags & VOLATILE_OBJ;
485 static inline int mdd_object_exists(struct mdd_object *obj)
487 return lu_object_exists(mdd2lu_obj(obj));
490 static inline int mdd_object_remote(struct mdd_object *obj)
492 return lu_object_remote(mdd2lu_obj(obj));
495 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
497 return lu_object_fid(mdd2lu_obj(obj));
500 static inline struct seq_server_site *mdd_seq_site(struct mdd_device *mdd)
502 return mdd2lu_dev(mdd)->ld_site->ld_seq_site;
505 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
507 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
510 #define MAX_ATIME_DIFF 60
512 static inline int mdd_permission_internal(const struct lu_env *env,
513 struct mdd_object *obj,
514 const struct lu_attr *la, int mask)
516 return __mdd_permission_internal(env, obj, la, mask, -1);
519 static inline int mdd_permission_internal_locked(const struct lu_env *env,
520 struct mdd_object *obj,
521 const struct lu_attr *la,
523 enum mdd_object_role role)
525 return __mdd_permission_internal(env, obj, la, mask, role);
528 /* mdd inline func for calling osd_dt_object ops */
529 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
532 struct dt_object *next = mdd_object_child(obj);
533 return dt_attr_get(env, next, la);
536 static inline int mdo_declare_attr_set(const struct lu_env *env,
537 struct mdd_object *obj,
538 const struct lu_attr *la,
539 struct thandle *handle)
541 struct dt_object *next = mdd_object_child(obj);
542 return dt_declare_attr_set(env, next, la, handle);
545 static inline int mdo_attr_set(const struct lu_env *env,
546 struct mdd_object *obj,
547 const struct lu_attr *la,
548 struct thandle *handle)
550 struct dt_object *next = mdd_object_child(obj);
552 if (!mdd_object_exists(obj))
555 return dt_attr_set(env, next, la, handle);
558 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
559 struct lu_buf *buf, const char *name)
561 struct dt_object *next = mdd_object_child(obj);
562 return dt_xattr_get(env, next, buf, name);
565 static inline int mdo_declare_xattr_set(const struct lu_env *env,
566 struct mdd_object *obj,
567 const struct lu_buf *buf,
569 int fl, struct thandle *handle)
571 struct dt_object *next = mdd_object_child(obj);
572 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
575 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
576 const struct lu_buf *buf, const char *name,
577 int fl, struct thandle *handle)
579 struct dt_object *next = mdd_object_child(obj);
581 if (!mdd_object_exists(obj))
584 return dt_xattr_set(env, next, buf, name, fl, handle);
587 static inline int mdo_declare_xattr_del(const struct lu_env *env,
588 struct mdd_object *obj,
590 struct thandle *handle)
592 struct dt_object *next = mdd_object_child(obj);
593 return dt_declare_xattr_del(env, next, name, handle);
596 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
597 const char *name, struct thandle *handle)
599 struct dt_object *next = mdd_object_child(obj);
601 if (!mdd_object_exists(obj))
604 return dt_xattr_del(env, next, name, handle);
608 mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
611 struct dt_object *next = mdd_object_child(obj);
613 if (!mdd_object_exists(obj))
616 return dt_xattr_list(env, next, buf);
620 mdo_invalidate(const struct lu_env *env, struct mdd_object *obj)
622 return dt_invalidate(env, mdd_object_child(obj));
626 mdo_declare_layout_change(const struct lu_env *env, struct mdd_object *obj,
627 struct md_layout_change *mlc, struct thandle *handle)
629 return dt_declare_layout_change(env, mdd_object_child(obj),
634 mdo_layout_change(const struct lu_env *env, struct mdd_object *obj,
635 struct md_layout_change *mlc, struct thandle *handle)
637 return dt_layout_change(env, mdd_object_child(obj), mlc, handle);
641 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
642 const struct lu_fid *fid, __u32 type,
643 const char *name, struct thandle *handle)
645 struct dt_object *next = mdd_object_child(obj);
649 * if the object doesn't exist yet, then it's supposed to be created
650 * and declaration of the creation should be enough to insert ./..
654 if (dt_try_as_dir(env, next)) {
655 struct dt_insert_rec *rec = &mdd_env_info(env)->mti_dt_rec;
658 rec->rec_type = type;
659 rc = dt_declare_insert(env, next, (const struct dt_rec *)rec,
660 (const struct dt_key *)name, handle);
667 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
668 const char *name, struct thandle *handle)
670 struct dt_object *next = mdd_object_child(obj);
672 if (!dt_try_as_dir(env, next))
675 return dt_declare_delete(env, next, (const struct dt_key *)name,
679 static inline int mdo_declare_ref_add(const struct lu_env *env,
680 struct mdd_object *obj,
681 struct thandle *handle)
683 struct dt_object *next = mdd_object_child(obj);
684 return dt_declare_ref_add(env, next, handle);
687 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
688 struct thandle *handle)
690 struct dt_object *next = mdd_object_child(obj);
692 if (!mdd_object_exists(obj))
695 return dt_ref_add(env, next, handle);
698 static inline int mdo_declare_ref_del(const struct lu_env *env,
699 struct mdd_object *obj,
700 struct thandle *handle)
702 struct dt_object *next = mdd_object_child(obj);
703 return dt_declare_ref_del(env, next, handle);
706 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
707 struct thandle *handle)
709 struct dt_object *next = mdd_object_child(obj);
711 if (!mdd_object_exists(obj))
714 return dt_ref_del(env, next, handle);
718 mdo_declare_create_object(const struct lu_env *env, struct mdd_object *obj,
719 struct lu_attr *attr, struct dt_allocation_hint *hint,
720 struct dt_object_format *dof, struct thandle *handle)
722 struct dt_object *next = mdd_object_child(obj);
723 return dt_declare_create(env, next, attr, hint, dof, handle);
727 mdo_create_object(const struct lu_env *env, struct mdd_object *obj,
728 struct lu_attr *attr, struct dt_allocation_hint *hint,
729 struct dt_object_format *dof, struct thandle *handle)
731 struct dt_object *next = mdd_object_child(obj);
732 return dt_create(env, next, attr, hint, dof, handle);
736 int mdo_declare_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_declare_destroy(env, next, handle);
744 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
745 struct thandle *handle)
747 struct dt_object *next = mdd_object_child(o);
748 return dt_destroy(env, next, handle);
751 static inline bool mdd_changelog_enabled(const struct lu_env *env,
752 struct mdd_device *mdd,
753 enum changelog_rec_type type)
755 const struct lu_ucred *uc;
757 if ((mdd->mdd_cl.mc_flags & CLM_ON) &&
758 (mdd->mdd_cl.mc_mask & (1 << type))) {
759 uc = lu_ucred_check(env);
761 return uc != NULL ? uc->uc_enable_audit : true;