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
83 /** changelog cleanup done, to prevent double cleanup */
84 #define CLM_CLEANUP_DONE 0x80000
86 #define LLOG_CHANGELOG_HDR_SZ (sizeof(struct llog_changelog_rec) - \
87 sizeof(struct changelog_rec))
88 /* mc_gc_task values */
89 /** no GC thread to be started **/
90 #define MDD_CHLG_GC_NONE NULL
91 /** a GC thread need to be started **/
92 #define MDD_CHLG_GC_NEED (struct task_struct *)(-1)
93 /** a GC thread will be started now **/
94 #define MDD_CHLG_GC_START (struct task_struct *)(-2)
95 /** else the started task_struct address when running **/
97 struct mdd_changelog {
98 spinlock_t mc_lock; /* for index */
102 ktime_t mc_starttime;
103 spinlock_t mc_user_lock;
105 int mc_users; /* registered users number */
106 struct task_struct *mc_gc_task;
107 time64_t mc_gc_time; /* last GC check or run time */
108 unsigned int mc_deniednext; /* interval for recording denied
113 static inline __u64 cl_time(void)
115 struct timespec64 time;
117 ktime_get_real_ts64(&time);
118 return (((__u64)time.tv_sec) << 30) + time.tv_nsec;
121 /** Objects in .lustre dir */
122 struct mdd_dot_lustre_objs {
123 struct mdd_object *mdd_obf;
124 struct mdd_object *mdd_lpf;
127 struct mdd_generic_thread {
128 struct completion mgt_started;
129 struct completion mgt_finished;
136 struct md_device mdd_md_dev;
137 struct obd_export *mdd_child_exp;
138 struct dt_device *mdd_child;
139 struct dt_device *mdd_bottom;
140 struct lu_fid mdd_root_fid; /* /ROOT */
141 struct lu_fid mdd_local_root_fid;
142 struct dt_device_param mdd_dt_conf;
143 struct dt_object *mdd_orphans; /* PENDING directory */
144 struct mdd_changelog mdd_cl;
145 unsigned int mdd_changelog_gc;
146 time64_t mdd_changelog_max_idle_time;
147 unsigned long mdd_changelog_max_idle_indexes;
148 time64_t mdd_changelog_min_gc_interval;
149 unsigned int mdd_changelog_min_free_cat_entries;
150 time64_t mdd_atime_diff;
151 struct mdd_object *mdd_dot_lustre;
152 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
153 unsigned int mdd_sync_permission;
155 int mdd_append_stripe_count;
156 char mdd_append_pool[LOV_MAXPOOLNAME + 1];
157 struct local_oid_storage *mdd_los;
158 struct mdd_generic_thread mdd_orphan_cleanup_thread;
159 struct kobject mdd_kobj;
160 struct kobj_type mdd_ktype;
161 struct completion mdd_kobj_unregister;
165 /* The dir object has been unlinked */
168 VOLATILE_OBJ = BIT(4),
172 struct md_object mod_obj;
177 unsigned long mod_flags;
178 struct list_head mod_users; /**< unique user opens */
181 #define MTI_KEEP_KEY 0x01
183 struct mdd_thread_info {
184 struct lu_fid mti_fid;
185 struct lu_fid mti_fid2; /* used for be & cpu converting */
187 * only be used by MDD interfaces, can be passed into local MDD APIs.
189 struct lu_attr mti_pattr;
190 struct lu_attr mti_cattr;
191 struct lu_attr mti_tpattr;
192 struct lu_attr mti_tattr;
193 /** used to set c/mtime */
194 struct lu_attr mti_la_for_fix;
195 /* Only used in mdd_object_start */
196 struct lu_attr mti_la_for_start;
197 /* mti_ent and mti_key must be conjoint,
198 * then mti_ent::lde_name will be mti_key. */
199 struct lu_dirent mti_ent;
200 char mti_key[NAME_MAX + 16];
202 char mti_name[NAME_MAX + 1];
203 struct lu_buf mti_buf[4];
204 struct lu_buf mti_big_buf; /* biggish persistent buf */
205 struct lu_buf mti_link_buf; /* buf for link ea */
206 struct lu_buf mti_xattr_buf;
208 struct dt_allocation_hint mti_hint;
209 struct dt_object_format mti_dof;
210 struct linkea_data mti_link_data;
211 struct md_op_spec mti_spec;
212 struct dt_insert_rec mti_dt_rec;
213 struct lfsck_req_local mti_lrl;
214 struct lu_seq_range mti_range;
215 union lmv_mds_md mti_lmv;
216 struct md_layout_change mti_mlc;
219 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
221 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
223 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
224 const struct md_attr *ma);
225 int mdd_attr_set_internal(const struct lu_env *env,
226 struct mdd_object *obj,
227 const struct lu_attr *attr,
228 struct thandle *handle,
230 int mdd_update_time(const struct lu_env *env, struct mdd_object *obj,
231 const struct lu_attr *oattr, struct lu_attr *attr,
232 struct thandle *handle);
233 int mdd_create_object_internal(const struct lu_env *env, struct mdd_object *p,
234 struct mdd_object *c, struct lu_attr *attr,
235 struct thandle *handle,
236 const struct md_op_spec *spec,
237 struct dt_allocation_hint *hint);
240 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
241 enum dt_object_role role);
242 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
243 enum dt_object_role role);
244 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
245 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
246 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
249 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
250 const struct lu_attr *pattr, struct mdd_object *cobj,
252 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
253 const struct lu_attr *pattr, const struct lu_attr *attr);
254 int mdd_may_delete(const struct lu_env *env, struct mdd_object *tpobj,
255 const struct lu_attr *tpattr, struct mdd_object *tobj,
256 const struct lu_attr *tattr, const struct lu_attr *cattr,
257 int check_perm, int check_empty);
258 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
259 const struct lu_attr *pattr,
260 struct mdd_object *cobj,
261 const struct lu_attr *cattr);
262 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
263 struct md_attr *ma, struct mdd_object *pobj,
264 const struct lu_name *lname, struct thandle *th);
266 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
267 int mdd_lookup(const struct lu_env *env,
268 struct md_object *pobj, const struct lu_name *lname,
269 struct lu_fid* fid, struct md_op_spec *spec);
270 int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
271 struct linkea_data *ldata, struct thandle *handle);
272 int mdd_links_read(const struct lu_env *env,
273 struct mdd_object *mdd_obj,
274 struct linkea_data *ldata);
275 struct lu_buf *mdd_links_get(const struct lu_env *env,
276 struct mdd_object *mdd_obj);
277 int mdd_links_rename(const struct lu_env *env,
278 struct mdd_object *mdd_obj,
279 const struct lu_fid *oldpfid,
280 const struct lu_name *oldlname,
281 const struct lu_fid *newpfid,
282 const struct lu_name *newlname,
283 struct thandle *handle,
284 struct linkea_data *ldata,
285 int first, int check);
286 int mdd_dir_layout_shrink(const struct lu_env *env,
287 struct md_object *md_obj,
288 struct md_layout_change *mlc);
289 int mdd_dir_layout_split(const struct lu_env *env, struct md_object *o,
290 struct md_layout_change *mlc);
292 int mdd_changelog_write_rec(const struct lu_env *env,
293 struct llog_handle *loghandle,
294 struct llog_rec_hdr *rec,
295 struct llog_cookie *cookie,
296 int idx, struct thandle *th);
298 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
300 #define MDD_ENV_VAR(env, var) (&mdd_env_info(env)->mti_##var)
302 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
303 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
304 const void *area, ssize_t len);
306 int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
307 int mdd_orphan_insert(const struct lu_env *env, struct mdd_object *obj,
308 struct thandle *thandle);
309 int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj,
310 struct thandle *thandle);
311 int mdd_orphan_index_init(const struct lu_env *env, struct mdd_device *mdd);
312 void mdd_orphan_index_fini(const struct lu_env *env, struct mdd_device *mdd);
313 int mdd_orphan_declare_insert(const struct lu_env *env, struct mdd_object *obj,
314 umode_t mode, struct thandle *thandle);
315 int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj,
316 struct thandle *thandle);
317 int mdd_dir_is_empty(const struct lu_env *env, struct mdd_object *dir);
320 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
321 void mdd_procfs_fini(struct mdd_device *mdd);
324 extern struct kmem_cache *mdd_object_kmem;
325 extern const struct md_dir_operations mdd_dir_ops;
326 extern const struct md_object_operations mdd_obj_ops;
327 int mdd_readlink(const struct lu_env *env, struct md_object *obj,
329 extern struct lu_context_key mdd_thread_key;
330 extern const struct lu_device_operations mdd_lu_ops;
332 struct mdd_object *mdd_object_find(const struct lu_env *env,
333 struct mdd_device *d,
334 const struct lu_fid *f);
335 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
336 const struct lu_rdpg *rdpg);
337 int mdd_declare_changelog_store(const struct lu_env *env,
338 struct mdd_device *mdd,
339 enum changelog_rec_type type,
340 const struct lu_name *tname,
341 const struct lu_name *sname,
342 struct thandle *handle);
343 void mdd_changelog_rec_ext_jobid(struct changelog_rec *rec, const char *jobid);
344 void mdd_changelog_rec_ext_extra_flags(struct changelog_rec *rec, __u64 eflags);
345 void mdd_changelog_rec_extra_uidgid(struct changelog_rec *rec,
346 __u64 uid, __u64 gid);
347 void mdd_changelog_rec_extra_nid(struct changelog_rec *rec,
349 void mdd_changelog_rec_extra_omode(struct changelog_rec *rec, u32 flags);
350 void mdd_changelog_rec_extra_xattr(struct changelog_rec *rec,
351 const char *xattr_name);
352 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
353 struct llog_changelog_rec *rec, struct thandle *th);
354 int mdd_changelog_data_store(const struct lu_env *env, struct mdd_device *mdd,
355 enum changelog_rec_type type,
356 enum changelog_rec_flags clf_flags,
357 struct mdd_object *mdd_obj,
358 struct thandle *handle,
359 const struct lu_fid *pfid);
360 int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
361 enum changelog_rec_type type,
362 enum changelog_rec_flags clf_flags,
363 struct mdd_object *target,
364 const struct lu_fid *tpfid,
365 const struct lu_fid *sfid,
366 const struct lu_fid *spfid,
367 const struct lu_name *tname,
368 const struct lu_name *sname,
369 struct thandle *handle);
370 int mdd_invalidate(const struct lu_env *env, struct md_object *obj);
371 int mdd_declare_create_object_internal(const struct lu_env *env,
372 struct mdd_object *p,
373 struct mdd_object *c,
374 struct lu_attr *attr,
375 struct thandle *handle,
376 const struct md_op_spec *spec,
377 struct dt_allocation_hint *hint);
378 int mdd_stripe_get(const struct lu_env *env, struct mdd_object *obj,
379 struct lu_buf *lmm_buf, const char *name);
380 int mdd_changelog_data_store_xattr(const struct lu_env *env,
381 struct mdd_device *mdd,
382 enum changelog_rec_type type,
383 enum changelog_rec_flags clf_flags,
384 struct mdd_object *mdd_obj,
385 const char *xattr_name,
386 struct thandle *handle);
389 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
390 struct mdd_object *child, const struct lu_attr *attr,
391 const struct md_op_spec *spec,
392 struct dt_allocation_hint *hint);
394 static inline void mdd_object_get(struct mdd_object *o)
396 lu_object_get(&o->mod_obj.mo_lu);
399 static inline void mdd_object_put(const struct lu_env *env,
400 struct mdd_object *o)
402 lu_object_put(env, &o->mod_obj.mo_lu);
405 struct thandle *mdd_trans_create(const struct lu_env *env,
406 struct mdd_device *mdd);
407 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
409 int mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
410 int rc, struct thandle *handle);
413 struct lu_object *mdd_object_alloc(const struct lu_env *env,
414 const struct lu_object_header *hdr,
415 struct lu_device *d);
416 int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd,
417 const struct lu_fid *pfid, const char *name,
418 __u32 mode, struct lu_fid *fid);
420 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
421 struct thandle *handle);
422 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
423 struct lu_attr *attr, const struct lu_buf *buf, int fl);
424 int __mdd_fix_mode_acl(const struct lu_env *env, struct lu_buf *buf,
426 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
427 const struct lu_attr *la, int mask, int role);
428 int mdd_permission(const struct lu_env *env, struct md_object *pobj,
429 struct md_object *cobj, struct md_attr *ma, int mask);
430 int mdd_generic_thread_start(struct mdd_generic_thread *thread,
431 int (*func)(void *), void *data, char *name);
432 void mdd_generic_thread_stop(struct mdd_generic_thread *thread);
433 int mdd_changelog_user_purge(const struct lu_env *env, struct mdd_device *mdd,
437 int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd);
439 /* inline functions */
440 static inline int lu_device_is_mdd(struct lu_device *d)
442 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
445 static inline struct mdd_device *lu2mdd_dev(struct lu_device *d)
447 LASSERT(lu_device_is_mdd(d));
448 return container_of_safe(d, struct mdd_device, mdd_md_dev.md_lu_dev);
451 static inline struct lu_device *mdd2lu_dev(struct mdd_device *mdd)
453 return &mdd->mdd_md_dev.md_lu_dev;
456 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
458 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
459 return container_of_safe(o, struct mdd_object,
463 static inline struct mdd_device *mdo2mdd(struct md_object *mdo)
465 return lu2mdd_dev(mdo->mo_lu.lo_dev);
468 static inline struct mdd_object *md2mdd_obj(struct md_object *mdo)
470 return container_of_safe(mdo, struct mdd_object, mod_obj);
474 struct dt_device_operations *mdd_child_ops(struct mdd_device *mdd)
476 return mdd->mdd_child->dd_ops;
479 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
481 return &obj->mod_obj.mo_lu;
484 static inline struct dt_object *mdd_object_child(struct mdd_object *obj)
486 return container_of(lu_object_next(mdd2lu_obj(obj)),
487 struct dt_object, do_lu);
490 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
492 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
495 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
497 return mdo2mdd(&obj->mod_obj);
500 static inline umode_t mdd_object_type(const struct mdd_object *mdd_obj)
502 return lu_object_attr(&mdd_obj->mod_obj.mo_lu);
505 static inline int mdd_is_dead_obj(struct mdd_object *mdd_obj)
507 return mdd_obj && mdd_obj->mod_flags & DEAD_OBJ;
510 static inline bool mdd_is_volatile_obj(struct mdd_object *mdd_obj)
512 return mdd_obj->mod_flags & VOLATILE_OBJ;
515 static inline bool mdd_is_orphan_obj(struct mdd_object *mdd_obj)
517 return mdd_obj->mod_flags & ORPHAN_OBJ;
520 static inline int mdd_object_exists(struct mdd_object *mdd_obj)
522 return lu_object_exists(mdd2lu_obj(mdd_obj));
525 static inline int mdd_object_remote(struct mdd_object *mdd_obj)
527 return lu_object_remote(mdd2lu_obj(mdd_obj));
530 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *mdd_obj)
532 return lu_object_fid(mdd2lu_obj(mdd_obj));
535 static inline struct seq_server_site *mdd_seq_site(struct mdd_device *mdd)
537 return mdd2lu_dev(mdd)->ld_site->ld_seq_site;
540 static inline const char *mdd_obj_dev_name(const struct mdd_object *mdd_obj)
542 return lu_dev_name(mdd_obj->mod_obj.mo_lu.lo_dev);
545 #define MAX_ATIME_DIFF 60
547 static inline int mdd_permission_internal(const struct lu_env *env,
548 struct mdd_object *obj,
549 const struct lu_attr *la, int mask)
551 return __mdd_permission_internal(env, obj, la, mask, -1);
554 static inline int mdd_permission_internal_locked(const struct lu_env *env,
555 struct mdd_object *obj,
556 const struct lu_attr *la,
558 enum dt_object_role role)
560 return __mdd_permission_internal(env, obj, la, mask, role);
563 /* mdd inline func for calling osd_dt_object ops */
564 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
567 struct dt_object *next = mdd_object_child(obj);
568 return dt_attr_get(env, next, la);
571 static inline int mdo_declare_attr_set(const struct lu_env *env,
572 struct mdd_object *obj,
573 const struct lu_attr *la,
574 struct thandle *handle)
576 struct dt_object *next = mdd_object_child(obj);
577 return dt_declare_attr_set(env, next, la, handle);
580 static inline int mdo_attr_set(const struct lu_env *env,
581 struct mdd_object *obj,
582 const struct lu_attr *la,
583 struct thandle *handle)
585 struct dt_object *next = mdd_object_child(obj);
587 if (!mdd_object_exists(obj))
590 return dt_attr_set(env, next, la, handle);
593 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
594 struct lu_buf *buf, const char *name)
596 struct dt_object *next = mdd_object_child(obj);
597 return dt_xattr_get(env, next, buf, name);
600 static inline int mdo_declare_xattr_set(const struct lu_env *env,
601 struct mdd_object *obj,
602 const struct lu_buf *buf,
604 int fl, struct thandle *handle)
606 struct dt_object *next = mdd_object_child(obj);
609 rc = dt_declare_xattr_set(env, next, buf, name, fl, handle);
610 if (rc >= 0 && strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0) {
611 struct lu_attr la = { 0 };
613 la.la_valid = LA_FLAGS;
614 la.la_flags = LUSTRE_ENCRYPT_FL;
615 rc = dt_declare_attr_set(env, next, &la, handle);
620 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
621 const struct lu_buf *buf, const char *name,
622 int fl, struct thandle *handle)
624 struct dt_object *next = mdd_object_child(obj);
627 if (!mdd_object_exists(obj))
630 if ((strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0) &&
631 (!S_ISDIR(mdd_object_type(obj)) ||
632 (rc = mdd_dir_is_empty(env, obj)) == 0)) {
633 struct lu_attr la = { 0 };
635 la.la_valid = LA_FLAGS;
636 la.la_flags = LUSTRE_ENCRYPT_FL;
637 rc = dt_attr_set(env, next, &la, handle);
640 rc = dt_xattr_set(env, next, buf, name, fl, handle);
645 static inline int mdo_declare_xattr_del(const struct lu_env *env,
646 struct mdd_object *obj,
648 struct thandle *handle)
650 struct dt_object *next = mdd_object_child(obj);
651 return dt_declare_xattr_del(env, next, name, handle);
654 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
655 const char *name, struct thandle *handle)
657 struct dt_object *next = mdd_object_child(obj);
659 if (!mdd_object_exists(obj))
662 return dt_xattr_del(env, next, name, handle);
666 mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
669 struct dt_object *next = mdd_object_child(obj);
671 if (!mdd_object_exists(obj))
674 return dt_xattr_list(env, next, buf);
678 mdo_invalidate(const struct lu_env *env, struct mdd_object *obj)
680 return dt_invalidate(env, mdd_object_child(obj));
684 mdo_declare_layout_change(const struct lu_env *env, struct mdd_object *obj,
685 struct md_layout_change *mlc, struct thandle *handle)
687 return dt_declare_layout_change(env, mdd_object_child(obj),
692 mdo_layout_change(const struct lu_env *env, struct mdd_object *obj,
693 struct md_layout_change *mlc, struct thandle *handle)
695 return dt_layout_change(env, mdd_object_child(obj), mlc, handle);
699 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
700 const struct lu_fid *fid, __u32 type,
701 const char *name, struct thandle *handle)
703 struct dt_object *next = mdd_object_child(obj);
707 * if the object doesn't exist yet, then it's supposed to be created
708 * and declaration of the creation should be enough to insert ./..
712 if (dt_try_as_dir(env, next)) {
713 struct dt_insert_rec *rec = &mdd_env_info(env)->mti_dt_rec;
716 rec->rec_type = type;
717 rc = dt_declare_insert(env, next, (const struct dt_rec *)rec,
718 (const struct dt_key *)name, handle);
725 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
726 const char *name, struct thandle *handle)
728 struct dt_object *next = mdd_object_child(obj);
730 if (!dt_try_as_dir(env, next))
733 return dt_declare_delete(env, next, (const struct dt_key *)name,
737 static inline int mdo_declare_ref_add(const struct lu_env *env,
738 struct mdd_object *obj,
739 struct thandle *handle)
741 struct dt_object *next = mdd_object_child(obj);
742 return dt_declare_ref_add(env, next, handle);
745 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
746 struct thandle *handle)
748 struct dt_object *next = mdd_object_child(obj);
750 if (!mdd_object_exists(obj))
753 return dt_ref_add(env, next, handle);
756 static inline int mdo_declare_ref_del(const struct lu_env *env,
757 struct mdd_object *obj,
758 struct thandle *handle)
760 struct dt_object *next = mdd_object_child(obj);
761 return dt_declare_ref_del(env, next, handle);
764 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
765 struct thandle *handle)
767 struct dt_object *next = mdd_object_child(obj);
769 if (!mdd_object_exists(obj))
772 return dt_ref_del(env, next, handle);
776 mdo_declare_create_object(const struct lu_env *env, struct mdd_object *obj,
777 struct lu_attr *attr, struct dt_allocation_hint *hint,
778 struct dt_object_format *dof, struct thandle *handle)
780 struct dt_object *next = mdd_object_child(obj);
781 return dt_declare_create(env, next, attr, hint, dof, handle);
785 mdo_create_object(const struct lu_env *env, struct mdd_object *obj,
786 struct lu_attr *attr, struct dt_allocation_hint *hint,
787 struct dt_object_format *dof, struct thandle *handle)
789 struct dt_object *next = mdd_object_child(obj);
790 return dt_create(env, next, attr, hint, dof, handle);
794 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
795 struct thandle *handle)
797 struct dt_object *next = mdd_object_child(o);
798 return dt_declare_destroy(env, next, handle);
802 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
803 struct thandle *handle)
805 struct dt_object *next = mdd_object_child(o);
806 return dt_destroy(env, next, handle);
809 static inline bool mdd_changelog_enabled(const struct lu_env *env,
810 struct mdd_device *mdd,
811 enum changelog_rec_type type)
813 const struct lu_ucred *uc;
815 if ((mdd->mdd_cl.mc_flags & CLM_ON) &&
816 (mdd->mdd_cl.mc_mask & BIT(type))) {
817 uc = lu_ucred_check(env);
819 return uc != NULL ? uc->uc_enable_audit : true;