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.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Intel Corporation.
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 <lustre_acl.h>
45 #include <lustre_eacl.h>
46 #include <md_object.h>
47 #include <dt_object.h>
48 #include <lustre_fsfilt.h>
49 #include <lustre/lustre_lfsck_user.h>
50 #include <lustre_fid.h>
51 #include <lustre_capa.h>
52 #include <lprocfs_status.h>
53 #include <lustre_log.h>
55 /* PDO lock is unnecessary for current MDT stack because operations
56 * are already protected by ldlm lock */
57 #define MDD_DISABLE_PDO_LOCK 1
60 /** changelog is recording */
61 #define CLM_ON 0x00001
62 /** internal error prevented changelogs from starting */
63 #define CLM_ERR 0x00002
65 /** changelogs turned on */
66 #define CLM_START 0x10000
67 /** changelogs turned off */
68 #define CLM_FINI 0x20000
69 /** some changelog records purged */
70 #define CLM_PURGE 0x40000
72 struct mdd_changelog {
73 spinlock_t mc_lock; /* for index */
78 spinlock_t mc_user_lock;
82 static inline __u64 cl_time(void) {
85 cfs_fs_time_current(&time);
86 return (((__u64)time.tv_sec) << 30) + time.tv_nsec;
89 /** Objects in .lustre dir */
90 struct mdd_dot_lustre_objs {
91 struct mdd_object *mdd_obf;
94 extern const char lfsck_bookmark_name[];
97 struct mutex ml_mutex;
99 struct ptlrpc_thread ml_thread;
100 struct dt_object *ml_bookmark_obj;
101 struct dt_object *ml_it_obj;
102 __u32 ml_new_scanned;
103 /* Arguments for low layer iteration. */
106 /* Raw value for LFSCK speed limit. */
107 __u32 ml_speed_limit;
109 /* Schedule for every N objects. */
112 /* Sleep N jiffies for each schedule. */
115 unsigned int ml_paused:1; /* The lfsck is paused. */
119 struct md_device mdd_md_dev;
120 struct obd_export *mdd_child_exp;
121 struct dt_device *mdd_child;
122 struct dt_device *mdd_bottom;
123 struct lu_fid mdd_root_fid;
124 struct dt_device_param mdd_dt_conf;
125 struct dt_object *mdd_orphans; /* PENDING directory */
126 struct dt_object *mdd_capa;
127 cfs_proc_dir_entry_t *mdd_proc_entry;
128 struct mdd_changelog mdd_cl;
129 unsigned long mdd_atime_diff;
130 struct mdd_object *mdd_dot_lustre;
131 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
132 struct md_lfsck mdd_lfsck;
133 unsigned int mdd_sync_permission;
138 /* The dir object has been unlinked */
146 struct md_object mod_obj;
151 unsigned long mod_flags;
152 #ifndef MDD_DISABLE_PDO_LOCK
153 struct dynlock mod_pdlock;
155 #ifdef CONFIG_LOCKDEP
156 /* "dep_map" name is assumed by lockdep.h macros. */
157 struct lockdep_map dep_map;
161 struct mdd_thread_info {
162 struct lu_fid mti_fid;
163 struct lu_fid mti_fid2; /* used for be & cpu converting */
164 struct lu_attr mti_la;
165 struct lu_attr mti_la_for_fix;
166 struct lu_attr mti_pattr;
167 struct lu_attr mti_cattr;
168 struct md_attr mti_ma;
169 struct obd_info mti_oi;
170 /* mti_orph_ent and mti_orph_key must be conjoint,
171 * then mti_orph_ent::lde_name will be mti_orph_key. */
172 struct lu_dirent mti_orph_ent;
173 char mti_orph_key[NAME_MAX + 1];
174 struct obd_trans_info mti_oti;
175 struct lu_buf mti_buf;
176 struct lu_buf mti_big_buf; /* biggish persistent buf */
177 struct lu_name mti_name;
178 struct lu_name mti_name2;
180 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
181 struct dt_allocation_hint mti_hint;
182 struct lov_mds_md *mti_max_lmm;
183 int mti_max_lmm_size;
184 struct llog_cookie *mti_max_cookie;
185 int mti_max_cookie_size;
186 struct dt_object_format mti_dof;
187 struct obd_quotactl mti_oqctl;
190 extern const char orph_index_name[];
192 extern const struct dt_index_features orph_index_features;
194 struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
195 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
196 struct mdd_device *mdd);
198 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
199 struct mdd_device *mdd);
201 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
202 struct lustre_cfg *cfg);
203 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
204 struct lustre_cfg *lcfg);
205 int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
206 const struct lu_buf *buf, const char *name,
207 int fl, struct thandle *handle);
208 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
209 const struct lu_buf *buf, const char *name, int fl,
210 struct thandle *txn);
211 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
212 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
213 struct mdd_object *child, struct lov_mds_md *lmm,
214 int lmm_size, struct thandle *handle, int set_stripe);
215 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
216 struct mdd_object *parent, struct mdd_object *child,
217 struct lov_mds_md **lmm, int *lmm_size,
218 const struct md_op_spec *spec, struct md_attr *ma);
219 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
220 int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
222 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
223 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
224 struct lov_mds_md *lmm, int lmm_size,
225 const struct md_op_spec *spec);
226 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
227 struct lov_mds_md *lmm, struct ldlm_extent *extent,
228 struct lustre_handle *lockh);
229 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
230 struct lov_mds_md *lmm, struct lustre_handle *lockh);
231 int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
232 const struct md_op_spec *spec, struct md_attr *ma);
233 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
234 void *md, int *md_size, const char *name);
235 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
236 void *md, int *md_size, const char *name);
237 int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
238 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
239 struct lu_attr *la, struct lustre_capa *capa);
240 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
242 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
243 const struct md_attr *ma);
244 int mdd_attr_set_internal(const struct lu_env *env,
245 struct mdd_object *obj,
246 struct lu_attr *attr,
247 struct thandle *handle,
249 int mdd_attr_check_set_internal(const struct lu_env *env,
250 struct mdd_object *obj,
251 struct lu_attr *attr,
252 struct thandle *handle,
254 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
255 struct md_attr *ma, struct thandle *handle);
256 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
257 struct md_attr *ma, struct thandle *handle);
258 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
260 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
261 struct mdd_object *c, struct lu_attr *attr,
262 struct thandle *handle,
263 const struct md_op_spec *spec);
264 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
265 struct mdd_object *obj,
266 struct lu_attr *attr,
267 struct thandle *handle,
269 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
273 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
274 enum mdd_object_role role);
275 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
276 enum mdd_object_role role);
277 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
278 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
279 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
281 void mdd_pdlock_init(struct mdd_object *obj);
282 unsigned long mdd_name2hash(const char *name);
283 void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
284 const char *name, enum mdd_object_role role);
285 void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
286 const char *name, enum mdd_object_role role);
287 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
289 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
292 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
293 const struct lu_fid *fid, struct lu_fid *sfid);
294 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
295 struct mdd_object *cobj, int check_perm, int check_nlink);
296 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
297 const struct lu_attr *attr);
298 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
299 struct mdd_object *cobj, struct lu_attr *cattr,
300 struct lu_attr *src_attr, int check_perm, int check_empty);
301 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
302 struct mdd_object *cobj, struct lu_attr *cattr);
303 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
304 struct md_attr *ma, struct thandle *th);
305 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
306 const struct lu_name *lname, struct mdd_object *child,
307 struct lu_attr *attr, struct thandle *handle,
308 const struct md_op_spec *spec);
309 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
310 const struct lu_name *lname, struct mdd_object *src_obj);
311 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
312 int mdd_lookup(const struct lu_env *env,
313 struct md_object *pobj, const struct lu_name *lname,
314 struct lu_fid* fid, struct md_op_spec *spec);
315 struct lu_buf *mdd_links_get(const struct lu_env *env,
316 struct mdd_object *mdd_obj);
317 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
318 struct lu_name *lname, struct lu_fid *pfid);
321 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
322 struct md_attr *ma, struct thandle *handle);
323 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
324 struct mdd_object *mdd_cobj, struct md_attr *ma);
326 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
327 const struct md_attr *ma,
328 struct lov_mds_md *lmm, int lmm_size,
329 struct llog_cookie *logcookies, int cookies_size);
331 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
332 struct lov_mds_md *lmm);
334 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
335 struct lov_mds_md *lmm, int lmm_size,
336 struct llog_cookie *logcookies);
338 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
339 struct mdd_object *obj, struct lu_attr *la,
340 struct md_attr *ma, int log_unlink);
342 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
344 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
345 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
346 const void *area, ssize_t len);
348 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
349 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
351 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
353 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
354 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
355 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
356 cfs_umode_t mode, struct thandle *);
357 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
361 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
362 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
363 int mdd_procfs_fini(struct mdd_device *mdd);
366 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
367 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
368 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
369 void mdd_buf_put(struct lu_buf *buf);
371 extern const struct md_dir_operations mdd_dir_ops;
372 extern const struct md_object_operations mdd_obj_ops;
374 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
375 extern struct lu_context_key mdd_thread_key;
376 extern const struct lu_device_operations mdd_lu_ops;
378 struct mdd_object *mdd_object_find(const struct lu_env *env,
379 struct mdd_device *d,
380 const struct lu_fid *f);
381 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
382 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
383 const struct lu_rdpg *rdpg);
384 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
385 int reclen, struct thandle *handle);
386 int mdd_declare_changelog_store(const struct lu_env *env,
387 struct mdd_device *mdd,
388 const struct lu_name *fname,
389 struct thandle *handle);
390 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
391 struct llog_changelog_rec *rec, struct thandle *th);
392 int mdd_declare_object_create_internal(const struct lu_env *env,
393 struct mdd_object *p,
394 struct mdd_object *c,
395 struct lu_attr *attr,
396 struct thandle *handle,
397 const struct md_op_spec *spec);
400 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
401 struct mdd_object *obj, struct lu_attr *la);
403 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
404 struct mdd_object *child, struct lu_attr *attr);
406 static inline void mdd_object_put(const struct lu_env *env,
407 struct mdd_object *o)
409 lu_object_put(env, &o->mod_obj.mo_lu);
412 struct thandle *mdd_trans_create(const struct lu_env *env,
413 struct mdd_device *mdd);
414 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
416 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
417 int rc, struct thandle *handle);
418 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
420 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
424 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
425 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
426 struct lfsck_start *start);
427 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
428 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
429 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
432 struct lu_object *mdd_object_alloc(const struct lu_env *env,
433 const struct lu_object_header *hdr,
434 struct lu_device *d);
436 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
437 struct thandle *handle);
438 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
439 int is_dir, struct thandle *handle);
440 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
441 const struct lu_buf *buf, int fl);
442 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
443 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
444 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
445 struct lu_attr *la, int mask, int role);
446 int mdd_permission(const struct lu_env *env,
447 struct md_object *pobj, struct md_object *cobj,
448 struct md_attr *ma, int mask);
449 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
450 struct lustre_capa *capa, int renewal);
452 static inline int lu_device_is_mdd(struct lu_device *d)
454 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
457 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
459 LASSERT(lu_device_is_mdd(d));
460 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
463 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
465 return (&d->mdd_md_dev.md_lu_dev);
468 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
470 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
471 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
474 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
476 return lu2mdd_dev(mdo->mo_lu.lo_dev);
479 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
481 return container_of0(mdo, struct mdd_object, mod_obj);
484 static inline const struct dt_device_operations *
485 mdd_child_ops(struct mdd_device *d)
487 return d->mdd_child->dd_ops;
490 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
492 return &obj->mod_obj.mo_lu;
495 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
497 return container_of0(lu_object_next(mdd2lu_obj(o)),
498 struct dt_object, do_lu);
501 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
503 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
506 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
508 return mdo2mdd(&obj->mod_obj);
511 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
513 return lu_object_fid(&obj->mod_obj.mo_lu);
516 static inline int mdd_object_obf(const struct mdd_object *obj)
518 return lu_fid_eq(mdo2fid(obj), &LU_OBF_FID);
521 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
523 return lu_object_attr(&obj->mod_obj.mo_lu);
526 static inline int mdd_is_immutable(struct mdd_object *obj)
528 return obj->mod_flags & IMMUTE_OBJ;
531 static inline int mdd_is_dead_obj(struct mdd_object *obj)
533 return obj && obj->mod_flags & DEAD_OBJ;
536 static inline int mdd_is_append(struct mdd_object *obj)
538 return obj->mod_flags & APPEND_OBJ;
541 static inline int mdd_object_exists(struct mdd_object *obj)
543 return lu_object_exists(mdd2lu_obj(obj));
546 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
548 return lu_object_fid(mdd2lu_obj(obj));
551 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
552 const struct mdd_object *obj)
554 struct md_capainfo *ci = md_capainfo(env);
555 const struct lu_fid *fid = mdo2fid(obj);
558 /* NB: in mdt_init0 */
561 for (i = 0; i < MD_CAPAINFO_MAX; i++)
562 if (lu_fid_eq(&ci->mc_fid[i], fid))
563 return ci->mc_capa[i];
567 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
568 const struct mdd_object *obj,
569 struct lustre_capa *capa)
571 struct md_capainfo *ci = md_capainfo(env);
572 const struct lu_fid *fid = mdo2fid(obj);
574 LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX);
575 /* NB: in mdt_init0 */
578 ci->mc_fid[offset] = *fid;
579 ci->mc_capa[offset] = capa;
582 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
584 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
587 #define MAX_ATIME_DIFF 60
593 static inline int mdd_permission_internal(const struct lu_env *env,
594 struct mdd_object *obj,
595 struct lu_attr *la, int mask)
597 return __mdd_permission_internal(env, obj, la, mask, -1);
600 static inline int mdd_permission_internal_locked(const struct lu_env *env,
601 struct mdd_object *obj,
602 struct lu_attr *la, int mask,
603 enum mdd_object_role role)
605 return __mdd_permission_internal(env, obj, la, mask, role);
608 static inline int mdo_data_get(const struct lu_env *env,
609 struct mdd_object *obj,
612 struct dt_object *next = mdd_object_child(obj);
613 next->do_ops->do_data_get(env, next, data);
617 /* mdd inline func for calling osd_dt_object ops */
618 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
619 struct lu_attr *la, struct lustre_capa *capa)
621 struct dt_object *next = mdd_object_child(obj);
622 return next->do_ops->do_attr_get(env, next, la, capa);
625 static inline int mdo_declare_attr_set(const struct lu_env *env,
626 struct mdd_object *obj,
627 const struct lu_attr *la,
628 struct thandle *handle)
630 struct dt_object *next = mdd_object_child(obj);
631 return dt_declare_attr_set(env, next, la, handle);
634 static inline int mdo_attr_set(const struct lu_env *env,
635 struct mdd_object *obj,
636 const struct lu_attr *la,
637 struct thandle *handle,
638 struct lustre_capa *capa)
640 struct dt_object *next = mdd_object_child(obj);
641 if (mdd_object_exists(obj) == 0) {
642 CERROR("%s: object "DFID" not found: rc = -2\n",
643 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
646 return next->do_ops->do_attr_set(env, next, la, handle, capa);
649 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
650 struct lu_buf *buf, const char *name,
651 struct lustre_capa *capa)
653 struct dt_object *next = mdd_object_child(obj);
654 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
657 static inline int mdo_declare_xattr_set(const struct lu_env *env,
658 struct mdd_object *obj,
659 const struct lu_buf *buf,
661 int fl, struct thandle *handle)
663 struct dt_object *next = mdd_object_child(obj);
664 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
667 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
668 const struct lu_buf *buf, const char *name,
669 int fl, struct thandle *handle,
670 struct lustre_capa *capa)
672 struct dt_object *next = mdd_object_child(obj);
673 if (mdd_object_exists(obj) == 0) {
674 CERROR("%s: object "DFID" not found: rc = -2\n",
675 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
678 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
682 static inline int mdo_declare_xattr_del(const struct lu_env *env,
683 struct mdd_object *obj,
685 struct thandle *handle)
687 struct dt_object *next = mdd_object_child(obj);
688 return dt_declare_xattr_del(env, next, name, handle);
691 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
692 const char *name, struct thandle *handle,
693 struct lustre_capa *capa)
695 struct dt_object *next = mdd_object_child(obj);
696 if (mdd_object_exists(obj) == 0) {
697 CERROR("%s: object "DFID" not found: rc = -2\n",
698 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
701 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
705 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
706 struct lu_buf *buf, struct lustre_capa *capa)
708 struct dt_object *next = mdd_object_child(obj);
709 if (mdd_object_exists(obj) == 0) {
710 CERROR("%s: object "DFID" not found: rc = -2\n",
711 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
714 return next->do_ops->do_xattr_list(env, next, buf, capa);
718 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
719 const struct dt_index_features *feat)
721 struct dt_object *next = mdd_object_child(obj);
722 return next->do_ops->do_index_try(env, next, feat);
726 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
727 const struct lu_fid *fid, const char *name,
728 struct thandle *handle)
730 struct dt_object *next = mdd_object_child(obj);
734 * if the object doesn't exist yet, then it's supposed to be created
735 * and declaration of the creation should be enough to insert ./..
737 if (mdd_object_exists(obj)) {
739 if (dt_try_as_dir(env, next))
740 rc = dt_declare_insert(env, next,
741 (struct dt_rec *)fid,
742 (const struct dt_key *)name,
750 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
751 const char *name, struct thandle *handle)
753 struct dt_object *next = mdd_object_child(obj);
755 if (!dt_try_as_dir(env, next))
758 return dt_declare_delete(env, next, (const struct dt_key *)name,
762 static inline int mdo_declare_ref_add(const struct lu_env *env,
763 struct mdd_object *obj,
764 struct thandle *handle)
766 struct dt_object *next = mdd_object_child(obj);
767 return dt_declare_ref_add(env, next, handle);
770 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
771 struct thandle *handle)
773 struct dt_object *next = mdd_object_child(obj);
774 if (mdd_object_exists(obj) == 0) {
775 CERROR("%s: object "DFID" not found: rc = -2\n",
776 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
779 return next->do_ops->do_ref_add(env, next, handle);
782 static inline int mdo_declare_ref_del(const struct lu_env *env,
783 struct mdd_object *obj,
784 struct thandle *handle)
786 struct dt_object *next = mdd_object_child(obj);
787 return dt_declare_ref_del(env, next, handle);
790 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
791 struct thandle *handle)
793 struct dt_object *next = mdd_object_child(obj);
794 if (mdd_object_exists(obj) == 0) {
795 CERROR("%s: object "DFID" not found: rc = -2\n",
796 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
799 return next->do_ops->do_ref_del(env, next, handle);
803 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
804 struct lu_attr *attr,
805 struct dt_allocation_hint *hint,
806 struct dt_object_format *dof,
807 struct thandle *handle)
809 struct dt_object *next = mdd_object_child(o);
810 return next->do_ops->do_declare_create(env, next, attr, hint,
815 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
816 struct lu_attr *attr,
817 struct dt_allocation_hint *hint,
818 struct dt_object_format *dof,
819 struct thandle *handle)
821 struct dt_object *next = mdd_object_child(o);
822 struct lu_ucred *uc = lu_ucred(env);
827 * LU-974 enforce client umask in creation.
828 * TODO: CMD needs to handle this for remote object.
830 saved = xchg(¤t->fs->umask, uc->uc_umask & S_IRWXUGO);
832 rc = next->do_ops->do_create(env, next, attr, hint, dof, handle);
834 /* restore previous umask value */
835 current->fs->umask = saved;
841 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
842 struct thandle *handle)
844 struct dt_object *next = mdd_object_child(o);
845 return dt_declare_destroy(env, next, handle);
849 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
850 struct thandle *handle)
852 struct dt_object *next = mdd_object_child(o);
853 return dt_destroy(env, next, handle);
856 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
857 struct mdd_object *obj,
858 struct lustre_capa *old,
861 struct dt_object *next = mdd_object_child(obj);
862 if (mdd_object_exists(obj) == 0) {
863 CERROR("%s: object "DFID" not found: rc = -2\n",
864 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
865 return ERR_PTR(-ENOENT);
867 return next->do_ops->do_capa_get(env, next, old, opc);