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, Whamcloud, Inc.
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 lprocfs_stats *mdd_stats;
129 struct mdd_changelog mdd_cl;
130 unsigned long mdd_atime_diff;
131 struct mdd_object *mdd_dot_lustre;
132 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
133 struct md_lfsck mdd_lfsck;
134 unsigned int mdd_sync_permission;
139 /* The dir object has been unlinked */
146 enum mdd_object_role {
155 struct md_object mod_obj;
160 unsigned long mod_flags;
161 #ifndef MDD_DISABLE_PDO_LOCK
162 struct dynlock mod_pdlock;
164 #ifdef CONFIG_LOCKDEP
165 /* "dep_map" name is assumed by lockdep.h macros. */
166 struct lockdep_map dep_map;
170 struct mdd_thread_info {
171 struct lu_fid mti_fid;
172 struct lu_fid mti_fid2; /* used for be & cpu converting */
173 struct lu_attr mti_la;
174 struct lu_attr mti_la_for_fix;
175 struct lu_attr mti_pattr;
176 struct lu_attr mti_cattr;
177 struct md_attr mti_ma;
178 struct obd_info mti_oi;
179 /* mti_orph_ent and mti_orph_key must be conjoint,
180 * then mti_orph_ent::lde_name will be mti_orph_key. */
181 struct lu_dirent mti_orph_ent;
182 char mti_orph_key[NAME_MAX + 1];
183 struct obd_trans_info mti_oti;
184 struct lu_buf mti_buf;
185 struct lu_buf mti_big_buf; /* biggish persistent buf */
186 struct lu_name mti_name;
187 struct lu_name mti_name2;
189 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
190 struct dt_allocation_hint mti_hint;
191 struct lov_mds_md *mti_max_lmm;
192 int mti_max_lmm_size;
193 struct llog_cookie *mti_max_cookie;
194 int mti_max_cookie_size;
195 struct dt_object_format mti_dof;
196 struct obd_quotactl mti_oqctl;
199 extern const char orph_index_name[];
201 extern const struct dt_index_features orph_index_features;
203 struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
204 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
205 struct mdd_device *mdd);
207 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
208 struct mdd_device *mdd);
210 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
211 struct lustre_cfg *cfg);
212 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
213 struct lustre_cfg *lcfg);
214 int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
215 const struct lu_buf *buf, const char *name,
216 int fl, struct thandle *handle);
217 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
218 const struct lu_buf *buf, const char *name, int fl,
219 struct thandle *txn);
220 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
221 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
222 struct mdd_object *child, struct lov_mds_md *lmm,
223 int lmm_size, struct thandle *handle, int set_stripe);
224 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
225 struct mdd_object *parent, struct mdd_object *child,
226 struct lov_mds_md **lmm, int *lmm_size,
227 const struct md_op_spec *spec, struct md_attr *ma);
228 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
229 int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
231 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
232 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
233 struct lov_mds_md *lmm, int lmm_size,
234 const struct md_op_spec *spec);
235 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
236 struct lov_mds_md *lmm, struct ldlm_extent *extent,
237 struct lustre_handle *lockh);
238 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
239 struct lov_mds_md *lmm, struct lustre_handle *lockh);
240 int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
241 const struct md_op_spec *spec, struct md_attr *ma);
242 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
243 void *md, int *md_size, const char *name);
244 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
245 void *md, int *md_size, const char *name);
246 int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
247 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
248 struct lu_attr *la, struct lustre_capa *capa);
249 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
251 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
252 const struct md_attr *ma);
253 int mdd_attr_set_internal(const struct lu_env *env,
254 struct mdd_object *obj,
255 struct lu_attr *attr,
256 struct thandle *handle,
258 int mdd_attr_check_set_internal(const struct lu_env *env,
259 struct mdd_object *obj,
260 struct lu_attr *attr,
261 struct thandle *handle,
263 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
264 struct md_attr *ma, struct thandle *handle);
265 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
266 struct md_attr *ma, struct thandle *handle);
267 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
269 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
270 struct mdd_object *c, struct lu_attr *attr,
271 struct thandle *handle,
272 const struct md_op_spec *spec);
273 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
274 struct mdd_object *obj,
275 struct lu_attr *attr,
276 struct thandle *handle,
278 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
282 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
283 enum mdd_object_role role);
284 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
285 enum mdd_object_role role);
286 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
287 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
288 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
290 void mdd_pdlock_init(struct mdd_object *obj);
291 unsigned long mdd_name2hash(const char *name);
292 void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
293 const char *name, enum mdd_object_role role);
294 void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
295 const char *name, enum mdd_object_role role);
296 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
298 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
301 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
302 const struct lu_fid *fid, struct lu_fid *sfid);
303 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
304 struct mdd_object *cobj, int check_perm, int check_nlink);
305 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
306 const struct lu_attr *attr);
307 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
308 struct mdd_object *cobj, struct lu_attr *cattr,
309 struct lu_attr *src_attr, int check_perm, int check_empty);
310 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
311 struct mdd_object *cobj, struct lu_attr *cattr);
312 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
313 struct md_attr *ma, struct thandle *th);
314 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
315 const struct lu_name *lname, struct mdd_object *child,
316 struct lu_attr *attr, struct thandle *handle,
317 const struct md_op_spec *spec);
318 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
319 const struct lu_name *lname, struct mdd_object *src_obj);
320 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
321 int mdd_lookup(const struct lu_env *env,
322 struct md_object *pobj, const struct lu_name *lname,
323 struct lu_fid* fid, struct md_op_spec *spec);
324 struct lu_buf *mdd_links_get(const struct lu_env *env,
325 struct mdd_object *mdd_obj);
326 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
327 struct lu_name *lname, struct lu_fid *pfid);
330 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
331 struct md_attr *ma, struct thandle *handle);
332 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
333 struct mdd_object *mdd_cobj, struct md_attr *ma);
335 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
336 const struct md_attr *ma,
337 struct lov_mds_md *lmm, int lmm_size,
338 struct llog_cookie *logcookies, int cookies_size);
340 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
341 struct lov_mds_md *lmm);
343 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
344 struct lov_mds_md *lmm, int lmm_size,
345 struct llog_cookie *logcookies);
347 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
348 struct mdd_object *obj, struct lu_attr *la,
349 struct md_attr *ma, int log_unlink);
351 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
353 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
354 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
355 const void *area, ssize_t len);
357 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
358 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
360 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
362 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
363 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
364 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
366 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
370 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
371 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
372 int mdd_procfs_fini(struct mdd_device *mdd);
373 void mdd_lprocfs_time_start(const struct lu_env *env);
374 void mdd_lprocfs_time_end(const struct lu_env *env,
375 struct mdd_device *mdd, int op);
378 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
379 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
380 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
381 void mdd_buf_put(struct lu_buf *buf);
383 extern const struct md_dir_operations mdd_dir_ops;
384 extern const struct md_object_operations mdd_obj_ops;
386 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
387 extern struct lu_context_key mdd_thread_key;
388 extern const struct lu_device_operations mdd_lu_ops;
390 struct mdd_object *mdd_object_find(const struct lu_env *env,
391 struct mdd_device *d,
392 const struct lu_fid *f);
393 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
394 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
395 const struct lu_rdpg *rdpg);
396 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
397 int reclen, struct thandle *handle);
398 int mdd_declare_changelog_store(const struct lu_env *env,
399 struct mdd_device *mdd,
400 const struct lu_name *fname,
401 struct thandle *handle);
402 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
403 struct llog_changelog_rec *rec, struct thandle *th);
404 int mdd_declare_object_create_internal(const struct lu_env *env,
405 struct mdd_object *p,
406 struct mdd_object *c,
407 struct lu_attr *attr,
408 struct thandle *handle,
409 const struct md_op_spec *spec);
412 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
413 struct mdd_object *obj, struct lu_attr *la);
415 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
416 struct mdd_object *child, struct lu_attr *attr);
418 static inline void mdd_object_put(const struct lu_env *env,
419 struct mdd_object *o)
421 lu_object_put(env, &o->mod_obj.mo_lu);
424 struct thandle *mdd_trans_create(const struct lu_env *env,
425 struct mdd_device *mdd);
426 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
428 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
429 int rc, struct thandle *handle);
430 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
432 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
436 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
437 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
438 struct lfsck_start *start);
439 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
440 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
441 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
444 struct lu_object *mdd_object_alloc(const struct lu_env *env,
445 const struct lu_object_header *hdr,
446 struct lu_device *d);
448 /* mdd_permission.c */
449 #define mdd_cap_t(x) (x)
451 #define MDD_CAP_TO_MASK(x) (1 << (x))
453 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
455 /* capable() is copied from linux kernel! */
456 static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap)
458 if (mdd_cap_raised(uc->mu_cap, cap))
463 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
464 struct thandle *handle);
465 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
466 int is_dir, struct thandle *handle);
467 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
468 const struct lu_buf *buf, int fl);
469 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
470 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
471 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
472 struct lu_attr *la, int mask, int role);
473 int mdd_permission(const struct lu_env *env,
474 struct md_object *pobj, struct md_object *cobj,
475 struct md_attr *ma, int mask);
476 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
477 struct lustre_capa *capa, int renewal);
479 static inline int lu_device_is_mdd(struct lu_device *d)
481 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
484 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
486 LASSERT(lu_device_is_mdd(d));
487 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
490 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
492 return (&d->mdd_md_dev.md_lu_dev);
495 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
497 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
498 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
501 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
503 return lu2mdd_dev(mdo->mo_lu.lo_dev);
506 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
508 return container_of0(mdo, struct mdd_object, mod_obj);
511 static inline const struct dt_device_operations *
512 mdd_child_ops(struct mdd_device *d)
514 return d->mdd_child->dd_ops;
517 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
519 return &obj->mod_obj.mo_lu;
522 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
524 return container_of0(lu_object_next(mdd2lu_obj(o)),
525 struct dt_object, do_lu);
528 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
530 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
533 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
535 return mdo2mdd(&obj->mod_obj);
538 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
540 return lu_object_fid(&obj->mod_obj.mo_lu);
543 static inline int mdd_object_obf(const struct mdd_object *obj)
545 return lu_fid_eq(mdo2fid(obj), &LU_OBF_FID);
548 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
550 return lu_object_attr(&obj->mod_obj.mo_lu);
553 static inline int mdd_is_immutable(struct mdd_object *obj)
555 return obj->mod_flags & IMMUTE_OBJ;
558 static inline int mdd_is_dead_obj(struct mdd_object *obj)
560 return obj && obj->mod_flags & DEAD_OBJ;
563 static inline int mdd_is_append(struct mdd_object *obj)
565 return obj->mod_flags & APPEND_OBJ;
568 static inline int mdd_object_exists(struct mdd_object *obj)
570 return lu_object_exists(mdd2lu_obj(obj));
573 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
575 return lu_object_fid(mdd2lu_obj(obj));
578 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
579 const struct mdd_object *obj)
581 struct md_capainfo *ci = md_capainfo(env);
582 const struct lu_fid *fid = mdo2fid(obj);
585 /* NB: in mdt_init0 */
588 for (i = 0; i < MD_CAPAINFO_MAX; i++)
589 if (lu_fid_eq(&ci->mc_fid[i], fid))
590 return ci->mc_capa[i];
594 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
595 const struct mdd_object *obj,
596 struct lustre_capa *capa)
598 struct md_capainfo *ci = md_capainfo(env);
599 const struct lu_fid *fid = mdo2fid(obj);
601 LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX);
602 /* NB: in mdt_init0 */
605 ci->mc_fid[offset] = *fid;
606 ci->mc_capa[offset] = capa;
609 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
611 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
614 #define MAX_ATIME_DIFF 60
620 static inline int mdd_permission_internal(const struct lu_env *env,
621 struct mdd_object *obj,
622 struct lu_attr *la, int mask)
624 return __mdd_permission_internal(env, obj, la, mask, -1);
627 static inline int mdd_permission_internal_locked(const struct lu_env *env,
628 struct mdd_object *obj,
629 struct lu_attr *la, int mask,
630 enum mdd_object_role role)
632 return __mdd_permission_internal(env, obj, la, mask, role);
635 static inline int mdo_data_get(const struct lu_env *env,
636 struct mdd_object *obj,
639 struct dt_object *next = mdd_object_child(obj);
640 next->do_ops->do_data_get(env, next, data);
644 /* mdd inline func for calling osd_dt_object ops */
645 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
646 struct lu_attr *la, struct lustre_capa *capa)
648 struct dt_object *next = mdd_object_child(obj);
649 return next->do_ops->do_attr_get(env, next, la, capa);
652 static inline int mdo_declare_attr_set(const struct lu_env *env,
653 struct mdd_object *obj,
654 const struct lu_attr *la,
655 struct thandle *handle)
657 struct dt_object *next = mdd_object_child(obj);
658 return dt_declare_attr_set(env, next, la, handle);
661 static inline int mdo_attr_set(const struct lu_env *env,
662 struct mdd_object *obj,
663 const struct lu_attr *la,
664 struct thandle *handle,
665 struct lustre_capa *capa)
667 struct dt_object *next = mdd_object_child(obj);
668 if (mdd_object_exists(obj) == 0) {
669 CERROR("%s: object "DFID" not found: rc = -2\n",
670 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
673 return next->do_ops->do_attr_set(env, next, la, handle, capa);
676 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
677 struct lu_buf *buf, const char *name,
678 struct lustre_capa *capa)
680 struct dt_object *next = mdd_object_child(obj);
681 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
684 static inline int mdo_declare_xattr_set(const struct lu_env *env,
685 struct mdd_object *obj,
686 const struct lu_buf *buf,
688 int fl, struct thandle *handle)
690 struct dt_object *next = mdd_object_child(obj);
691 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
694 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
695 const struct lu_buf *buf, const char *name,
696 int fl, struct thandle *handle,
697 struct lustre_capa *capa)
699 struct dt_object *next = mdd_object_child(obj);
700 if (mdd_object_exists(obj) == 0) {
701 CERROR("%s: object "DFID" not found: rc = -2\n",
702 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
705 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
709 static inline int mdo_declare_xattr_del(const struct lu_env *env,
710 struct mdd_object *obj,
712 struct thandle *handle)
714 struct dt_object *next = mdd_object_child(obj);
715 return dt_declare_xattr_del(env, next, name, handle);
718 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
719 const char *name, struct thandle *handle,
720 struct lustre_capa *capa)
722 struct dt_object *next = mdd_object_child(obj);
723 if (mdd_object_exists(obj) == 0) {
724 CERROR("%s: object "DFID" not found: rc = -2\n",
725 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
728 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
732 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
733 struct lu_buf *buf, struct lustre_capa *capa)
735 struct dt_object *next = mdd_object_child(obj);
736 if (mdd_object_exists(obj) == 0) {
737 CERROR("%s: object "DFID" not found: rc = -2\n",
738 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
741 return next->do_ops->do_xattr_list(env, next, buf, capa);
745 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
746 const struct dt_index_features *feat)
748 struct dt_object *next = mdd_object_child(obj);
749 return next->do_ops->do_index_try(env, next, feat);
753 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
754 const struct lu_fid *fid, const char *name,
755 struct thandle *handle)
757 struct dt_object *next = mdd_object_child(obj);
761 * if the object doesn't exist yet, then it's supposed to be created
762 * and declaration of the creation should be enough to insert ./..
764 if (mdd_object_exists(obj)) {
766 if (dt_try_as_dir(env, next))
767 rc = dt_declare_insert(env, next,
768 (struct dt_rec *)fid,
769 (const struct dt_key *)name,
777 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
778 const char *name, struct thandle *handle)
780 struct dt_object *next = mdd_object_child(obj);
782 if (!dt_try_as_dir(env, next))
785 return dt_declare_delete(env, next, (const struct dt_key *)name,
789 static inline int mdo_declare_ref_add(const struct lu_env *env,
790 struct mdd_object *obj,
791 struct thandle *handle)
793 struct dt_object *next = mdd_object_child(obj);
794 return dt_declare_ref_add(env, next, handle);
797 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
798 struct thandle *handle)
800 struct dt_object *next = mdd_object_child(obj);
801 if (mdd_object_exists(obj) == 0) {
802 CERROR("%s: object "DFID" not found: rc = -2\n",
803 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
806 return next->do_ops->do_ref_add(env, next, handle);
809 static inline int mdo_declare_ref_del(const struct lu_env *env,
810 struct mdd_object *obj,
811 struct thandle *handle)
813 struct dt_object *next = mdd_object_child(obj);
814 return dt_declare_ref_del(env, next, handle);
817 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
818 struct thandle *handle)
820 struct dt_object *next = mdd_object_child(obj);
821 if (mdd_object_exists(obj) == 0) {
822 CERROR("%s: object "DFID" not found: rc = -2\n",
823 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
826 return next->do_ops->do_ref_del(env, next, handle);
830 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
831 struct lu_attr *attr,
832 struct dt_allocation_hint *hint,
833 struct dt_object_format *dof,
834 struct thandle *handle)
836 struct dt_object *next = mdd_object_child(o);
837 return next->do_ops->do_declare_create(env, next, attr, hint,
842 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
843 struct lu_attr *attr,
844 struct dt_allocation_hint *hint,
845 struct dt_object_format *dof,
846 struct thandle *handle)
848 struct dt_object *next = mdd_object_child(o);
849 struct md_ucred *uc = md_ucred(env);
854 * LU-974 enforce client umask in creation.
855 * TODO: CMD needs to handle this for remote object.
857 saved = xchg(¤t->fs->umask, uc->mu_umask & S_IRWXUGO);
859 rc = next->do_ops->do_create(env, next, attr, hint, dof, handle);
861 /* restore previous umask value */
862 current->fs->umask = saved;
868 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
869 struct thandle *handle)
871 struct dt_object *next = mdd_object_child(o);
872 return dt_declare_destroy(env, next, handle);
876 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
877 struct thandle *handle)
879 struct dt_object *next = mdd_object_child(o);
880 return dt_destroy(env, next, handle);
883 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
884 struct mdd_object *obj,
885 struct lustre_capa *old,
888 struct dt_object *next = mdd_object_child(obj);
889 if (mdd_object_exists(obj) == 0) {
890 CERROR("%s: object "DFID" not found: rc = -2\n",
891 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
892 return ERR_PTR(-ENOENT);
894 return next->do_ops->do_capa_get(env, next, old, opc);