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 #ifdef HAVE_QUOTA_SUPPORT
49 # include <lustre_quota.h>
51 #include <lustre_fsfilt.h>
52 #include <lustre/lustre_lfsck_user.h>
53 #include <lustre_fid.h>
54 #include <lustre_capa.h>
55 #include <lprocfs_status.h>
56 #include <lustre_log.h>
58 #ifdef HAVE_QUOTA_SUPPORT
60 extern quota_interface_t *mds_quota_interface_ref;
62 static inline void mdd_quota_wrapper(struct lu_attr *la, unsigned int *qids)
64 qids[USRQUOTA] = la->la_uid;
65 qids[GRPQUOTA] = la->la_gid;
69 /* PDO lock is unnecessary for current MDT stack because operations
70 * are already protected by ldlm lock */
71 #define MDD_DISABLE_PDO_LOCK 1
74 /** changelog is recording */
75 #define CLM_ON 0x00001
76 /** internal error prevented changelogs from starting */
77 #define CLM_ERR 0x00002
79 /** changelogs turned on */
80 #define CLM_START 0x10000
81 /** changelogs turned off */
82 #define CLM_FINI 0x20000
83 /** some changelog records purged */
84 #define CLM_PURGE 0x40000
86 struct mdd_changelog {
87 cfs_spinlock_t mc_lock; /* for index */
92 cfs_spinlock_t mc_user_lock;
96 /** Objects in .lustre dir */
97 struct mdd_dot_lustre_objs {
98 struct mdd_object *mdd_obf;
101 extern const char lfsck_bookmark_name[];
104 cfs_mutex_t ml_mutex;
105 cfs_spinlock_t ml_lock;
106 struct ptlrpc_thread ml_thread;
107 struct dt_object *ml_bookmark_obj;
108 struct dt_object *ml_it_obj;
109 __u32 ml_new_scanned;
110 /* Arguments for low layer iteration. */
113 /* Raw value for LFSCK speed limit. */
114 __u32 ml_speed_limit;
116 /* Schedule for every N objects. */
119 /* Sleep N jiffies for each schedule. */
122 unsigned int ml_paused:1; /* The lfsck is paused. */
126 struct md_device mdd_md_dev;
127 struct dt_device *mdd_child;
128 struct obd_device *mdd_obd_dev;
129 struct lu_fid mdd_root_fid;
130 struct dt_device_param mdd_dt_conf;
131 struct dt_object *mdd_orphans; /* PENDING directory */
132 struct dt_object *mdd_capa;
133 struct dt_txn_callback mdd_txn_cb;
134 cfs_proc_dir_entry_t *mdd_proc_entry;
135 struct lprocfs_stats *mdd_stats;
136 struct mdd_changelog mdd_cl;
137 unsigned long mdd_atime_diff;
138 struct mdd_object *mdd_dot_lustre;
139 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
140 struct md_lfsck mdd_lfsck;
141 unsigned int mdd_sync_permission;
145 /* The dir object has been unlinked */
152 enum mdd_object_role {
161 struct md_object mod_obj;
166 unsigned long mod_flags;
167 #ifndef MDD_DISABLE_PDO_LOCK
168 struct dynlock mod_pdlock;
170 #ifdef CONFIG_LOCKDEP
171 /* "dep_map" name is assumed by lockdep.h macros. */
172 struct lockdep_map dep_map;
176 struct mdd_thread_info {
177 struct lu_fid mti_fid;
178 struct lu_fid mti_fid2; /* used for be & cpu converting */
179 struct lu_attr mti_la;
180 struct lu_attr mti_la_for_fix;
181 struct md_attr mti_ma;
182 struct obd_info mti_oi;
183 /* mti_orph_ent and mti_orph_key must be conjoint,
184 * then mti_orph_ent::lde_name will be mti_orph_key. */
185 struct lu_dirent mti_orph_ent;
186 char mti_orph_key[NAME_MAX + 1];
187 struct obd_trans_info mti_oti;
188 struct lu_buf mti_buf;
189 struct lu_buf mti_big_buf; /* biggish persistent buf */
190 struct lu_name mti_name;
192 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
193 struct dt_allocation_hint mti_hint;
194 struct lov_mds_md *mti_max_lmm;
195 int mti_max_lmm_size;
196 struct llog_cookie *mti_max_cookie;
197 int mti_max_cookie_size;
198 struct dt_object_format mti_dof;
199 struct obd_quotactl mti_oqctl;
202 extern const char orph_index_name[];
204 extern const struct dt_index_features orph_index_features;
206 struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
207 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
208 struct mdd_device *mdd);
210 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
211 struct mdd_device *mdd);
213 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
214 struct lustre_cfg *cfg);
215 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
216 struct lustre_cfg *lcfg);
217 int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
218 const struct lu_buf *buf, const char *name,
219 int fl, struct thandle *handle);
220 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
221 const struct lu_buf *buf, const char *name, int fl,
222 struct thandle *txn);
223 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
224 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
225 struct mdd_object *child, struct lov_mds_md *lmm,
226 int lmm_size, struct thandle *handle, int set_stripe);
227 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
228 struct mdd_object *parent, struct mdd_object *child,
229 struct lov_mds_md **lmm, int *lmm_size,
230 const struct md_op_spec *spec, struct md_attr *ma);
231 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
232 int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
234 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
235 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
236 struct lov_mds_md *lmm, int lmm_size,
237 const struct md_op_spec *spec);
238 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
239 struct lov_mds_md *lmm, struct ldlm_extent *extent,
240 struct lustre_handle *lockh);
241 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
242 struct lov_mds_md *lmm, struct lustre_handle *lockh);
243 int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
244 const struct md_op_spec *spec, struct md_attr *ma);
245 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
246 void *md, int *md_size, const char *name);
247 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
248 void *md, int *md_size, const char *name);
249 int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
250 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
251 struct lu_attr *la, struct lustre_capa *capa);
252 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
254 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
255 const struct md_attr *ma);
256 int mdd_attr_set_internal(const struct lu_env *env,
257 struct mdd_object *obj,
258 struct lu_attr *attr,
259 struct thandle *handle,
261 int mdd_attr_check_set_internal(const struct lu_env *env,
262 struct mdd_object *obj,
263 struct lu_attr *attr,
264 struct thandle *handle,
266 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
267 struct md_attr *ma, struct thandle *handle);
268 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
269 struct md_attr *ma, struct thandle *handle);
270 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
272 int mdd_attr_get_internal(const struct lu_env *env, struct mdd_object *mdd_obj,
274 int mdd_attr_get_internal_locked(const struct lu_env *env,
275 struct mdd_object *mdd_obj,
277 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
278 struct mdd_object *c, struct md_attr *ma,
279 struct thandle *handle,
280 const struct md_op_spec *spec);
281 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
282 struct mdd_object *obj,
283 struct lu_attr *attr,
284 struct thandle *handle,
286 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
290 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
291 enum mdd_object_role role);
292 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
293 enum mdd_object_role role);
294 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
295 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
296 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
298 void mdd_pdlock_init(struct mdd_object *obj);
299 unsigned long mdd_name2hash(const char *name);
300 void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
301 const char *name, enum mdd_object_role role);
302 void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
303 const char *name, enum mdd_object_role role);
304 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
306 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
309 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
310 const struct lu_fid *fid, struct lu_fid *sfid);
311 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
312 struct mdd_object *cobj, int check_perm, int check_nlink);
313 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
314 const struct md_attr *ma);
315 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
316 struct mdd_object *cobj, struct md_attr *ma,
317 int check_perm, int check_empty);
318 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
319 struct mdd_object *cobj, struct md_attr *ma);
320 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
321 struct md_attr *ma, struct thandle *th);
322 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
323 const struct lu_name *lname, struct mdd_object *child,
324 struct md_attr *ma, struct thandle *handle,
325 const struct md_op_spec *spec);
326 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
327 const struct lu_name *lname, struct mdd_object *src_obj);
328 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
329 int mdd_lookup(const struct lu_env *env,
330 struct md_object *pobj, const struct lu_name *lname,
331 struct lu_fid* fid, struct md_op_spec *spec);
332 struct lu_buf *mdd_links_get(const struct lu_env *env,
333 struct mdd_object *mdd_obj);
334 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
335 struct lu_name *lname, struct lu_fid *pfid);
338 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
339 struct md_attr *ma, struct thandle *handle);
340 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
341 struct mdd_object *mdd_cobj, struct md_attr *ma);
343 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
344 const struct md_attr *ma,
345 struct lov_mds_md *lmm, int lmm_size,
346 struct llog_cookie *logcookies, int cookies_size);
348 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
349 struct lov_mds_md *lmm);
351 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
352 struct lov_mds_md *lmm, int lmm_size,
353 struct llog_cookie *logcookies);
355 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
356 struct mdd_object *obj, struct lu_attr *la,
357 struct md_attr *ma, int log_unlink);
359 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
361 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
362 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
363 const void *area, ssize_t len);
365 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
366 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
368 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
370 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
371 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
372 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
374 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
378 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
379 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
380 int mdd_procfs_fini(struct mdd_device *mdd);
381 void mdd_lprocfs_time_start(const struct lu_env *env);
382 void mdd_lprocfs_time_end(const struct lu_env *env,
383 struct mdd_device *mdd, int op);
386 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
387 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
388 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
389 void mdd_buf_put(struct lu_buf *buf);
391 extern const struct md_dir_operations mdd_dir_ops;
392 extern const struct md_object_operations mdd_obj_ops;
394 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
395 extern struct lu_context_key mdd_thread_key;
396 extern const struct lu_device_operations mdd_lu_ops;
398 struct mdd_object *mdd_object_find(const struct lu_env *env,
399 struct mdd_device *d,
400 const struct lu_fid *f);
401 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
402 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
403 const struct lu_rdpg *rdpg);
404 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
405 int reclen, struct thandle *handle);
406 int mdd_declare_changelog_store(const struct lu_env *env,
407 struct mdd_device *mdd,
408 const struct lu_name *fname,
409 struct thandle *handle);
410 int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type,
411 int flags, struct md_object *obj);
412 int mdd_declare_object_create_internal(const struct lu_env *env,
413 struct mdd_object *p,
414 struct mdd_object *c,
416 struct thandle *handle,
417 const struct md_op_spec *spec);
419 #ifdef HAVE_QUOTA_SUPPORT
420 int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
421 int mdd_quota_setup(const struct lu_env *env, struct md_device *m,
423 int mdd_quota_cleanup(const struct lu_env *env, struct md_device *m);
424 int mdd_quota_recovery(const struct lu_env *env, struct md_device *m);
425 int mdd_quota_check(const struct lu_env *env, struct md_device *m,
427 int mdd_quota_on(const struct lu_env *env, struct md_device *m,
429 int mdd_quota_off(const struct lu_env *env, struct md_device *m,
431 int mdd_quota_setinfo(const struct lu_env *env, struct md_device *m,
432 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
433 int mdd_quota_getinfo(const struct lu_env *env, const struct md_device *m,
434 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
435 int mdd_quota_setquota(const struct lu_env *env, struct md_device *m,
436 __u32 type, __u32 id, struct obd_dqblk *dqblk);
437 int mdd_quota_getquota(const struct lu_env *env, const struct md_device *m,
438 __u32 type, __u32 id, struct obd_dqblk *dqblk);
439 int mdd_quota_getoinfo(const struct lu_env *env, const struct md_device *m,
440 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
441 int mdd_quota_getoquota(const struct lu_env *env, const struct md_device *m,
442 __u32 type, __u32 id, struct obd_dqblk *dqblk);
443 int mdd_quota_invalidate(const struct lu_env *env, struct md_device *m,
445 int mdd_quota_finvalidate(const struct lu_env *env, struct md_device *m,
450 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
451 struct mdd_object *obj, struct lu_attr *la);
453 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
454 struct mdd_object *child, struct lu_attr *attr);
456 static inline void mdd_object_put(const struct lu_env *env,
457 struct mdd_object *o)
459 lu_object_put(env, &o->mod_obj.mo_lu);
462 struct thandle *mdd_trans_create(const struct lu_env *env,
463 struct mdd_device *mdd);
464 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
466 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
467 int rc, struct thandle *handle);
468 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
470 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
474 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
475 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
476 struct lfsck_start *start);
477 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
478 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
479 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
482 struct lu_object *mdd_object_alloc(const struct lu_env *env,
483 const struct lu_object_header *hdr,
484 struct lu_device *d);
485 struct llog_changelog_rec;
486 int mdd_changelog_llog_write(struct mdd_device *mdd,
487 struct llog_changelog_rec *rec,
488 struct thandle *handle);
489 int mdd_changelog_ext_llog_write(struct mdd_device *mdd,
490 struct llog_changelog_ext_rec *rec,
491 struct thandle *handle);
492 int mdd_changelog_llog_cancel(const struct lu_env *env, struct mdd_device *mdd,
494 int mdd_changelog_write_header(struct mdd_device *mdd, int markerflags);
495 int mdd_changelog_on(struct mdd_device *mdd, int on);
497 /* mdd_permission.c */
498 #define mdd_cap_t(x) (x)
500 #define MDD_CAP_TO_MASK(x) (1 << (x))
502 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
504 /* capable() is copied from linux kernel! */
505 static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap)
507 if (mdd_cap_raised(uc->mu_cap, cap))
512 int mdd_def_acl_get(const struct lu_env *env, struct mdd_object *mdd_obj,
514 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
515 struct thandle *handle);
516 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
517 int is_dir, struct thandle *handle);
518 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
519 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
520 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
521 struct lu_attr *la, int mask, int role);
522 int mdd_permission(const struct lu_env *env,
523 struct md_object *pobj, struct md_object *cobj,
524 struct md_attr *ma, int mask);
525 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
526 struct lustre_capa *capa, int renewal);
528 static inline int lu_device_is_mdd(struct lu_device *d)
530 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
533 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
535 LASSERT(lu_device_is_mdd(d));
536 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
539 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
541 return (&d->mdd_md_dev.md_lu_dev);
544 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
546 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
547 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
550 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
552 return lu2mdd_dev(mdo->mo_lu.lo_dev);
555 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
557 return container_of0(mdo, struct mdd_object, mod_obj);
560 static inline const struct dt_device_operations *
561 mdd_child_ops(struct mdd_device *d)
563 return d->mdd_child->dd_ops;
566 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
568 return &obj->mod_obj.mo_lu;
571 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
573 return container_of0(lu_object_next(mdd2lu_obj(o)),
574 struct dt_object, do_lu);
577 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
579 return mdd->mdd_obd_dev;
582 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
584 return mdo2mdd(&obj->mod_obj);
587 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
589 return lu_object_fid(&obj->mod_obj.mo_lu);
592 static inline int mdd_object_obf(const struct mdd_object *obj)
594 return lu_fid_eq(mdo2fid(obj), &LU_OBF_FID);
597 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
599 return lu_object_attr(&obj->mod_obj.mo_lu);
602 static inline int mdd_lov_mdsize(const struct lu_env *env,
603 struct mdd_device *mdd)
605 struct obd_device *obd = mdd2obd_dev(mdd);
606 return obd->u.mds.mds_max_mdsize;
609 static inline int mdd_lov_cookiesize(const struct lu_env *env,
610 struct mdd_device *mdd)
612 struct obd_device *obd = mdd2obd_dev(mdd);
613 return obd->u.mds.mds_max_cookiesize;
616 static inline int mdd_is_immutable(struct mdd_object *obj)
618 return obj->mod_flags & IMMUTE_OBJ;
621 static inline int mdd_is_dead_obj(struct mdd_object *obj)
623 return obj && obj->mod_flags & DEAD_OBJ;
626 static inline int mdd_is_append(struct mdd_object *obj)
628 return obj->mod_flags & APPEND_OBJ;
631 static inline int mdd_object_exists(struct mdd_object *obj)
633 return lu_object_exists(mdd2lu_obj(obj));
636 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
638 return lu_object_fid(mdd2lu_obj(obj));
641 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
642 const struct mdd_object *obj)
644 struct md_capainfo *ci = md_capainfo(env);
645 const struct lu_fid *fid = mdo2fid(obj);
648 /* NB: in mdt_init0 */
651 for (i = 0; i < MD_CAPAINFO_MAX; i++)
652 if (lu_fid_eq(&ci->mc_fid[i], fid))
653 return ci->mc_capa[i];
657 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
658 const struct mdd_object *obj,
659 struct lustre_capa *capa)
661 struct md_capainfo *ci = md_capainfo(env);
662 const struct lu_fid *fid = mdo2fid(obj);
664 LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX);
665 /* NB: in mdt_init0 */
668 ci->mc_fid[offset] = *fid;
669 ci->mc_capa[offset] = capa;
672 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
674 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
677 #define MAX_ATIME_DIFF 60
683 static inline int mdd_permission_internal(const struct lu_env *env,
684 struct mdd_object *obj,
685 struct lu_attr *la, int mask)
687 return __mdd_permission_internal(env, obj, la, mask, -1);
690 static inline int mdd_permission_internal_locked(const struct lu_env *env,
691 struct mdd_object *obj,
692 struct lu_attr *la, int mask,
693 enum mdd_object_role role)
695 return __mdd_permission_internal(env, obj, la, mask, role);
698 static inline int mdo_data_get(const struct lu_env *env,
699 struct mdd_object *obj,
702 struct dt_object *next = mdd_object_child(obj);
703 next->do_ops->do_data_get(env, next, data);
707 /* mdd inline func for calling osd_dt_object ops */
708 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
709 struct lu_attr *la, struct lustre_capa *capa)
711 struct dt_object *next = mdd_object_child(obj);
712 return next->do_ops->do_attr_get(env, next, la, capa);
715 static inline int mdo_declare_attr_set(const struct lu_env *env,
716 struct mdd_object *obj,
717 const struct lu_attr *la,
718 struct thandle *handle)
720 struct dt_object *next = mdd_object_child(obj);
721 return dt_declare_attr_set(env, next, la, handle);
724 static inline int mdo_attr_set(const struct lu_env *env,
725 struct mdd_object *obj,
726 const struct lu_attr *la,
727 struct thandle *handle,
728 struct lustre_capa *capa)
730 struct dt_object *next = mdd_object_child(obj);
731 if (mdd_object_exists(obj) == 0) {
732 CERROR("%s: object "DFID" not found: rc = -2\n",
733 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
736 return next->do_ops->do_attr_set(env, next, la, handle, capa);
739 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
740 struct lu_buf *buf, const char *name,
741 struct lustre_capa *capa)
743 struct dt_object *next = mdd_object_child(obj);
744 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
747 static inline int mdo_declare_xattr_set(const struct lu_env *env,
748 struct mdd_object *obj,
749 const struct lu_buf *buf,
751 int fl, struct thandle *handle)
753 struct dt_object *next = mdd_object_child(obj);
754 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
757 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
758 const struct lu_buf *buf, const char *name,
759 int fl, struct thandle *handle,
760 struct lustre_capa *capa)
762 struct dt_object *next = mdd_object_child(obj);
763 if (mdd_object_exists(obj) == 0) {
764 CERROR("%s: object "DFID" not found: rc = -2\n",
765 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
768 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
772 static inline int mdo_declare_xattr_del(const struct lu_env *env,
773 struct mdd_object *obj,
775 struct thandle *handle)
777 struct dt_object *next = mdd_object_child(obj);
778 return dt_declare_xattr_del(env, next, name, handle);
781 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
782 const char *name, struct thandle *handle,
783 struct lustre_capa *capa)
785 struct dt_object *next = mdd_object_child(obj);
786 if (mdd_object_exists(obj) == 0) {
787 CERROR("%s: object "DFID" not found: rc = -2\n",
788 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
791 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
795 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
796 struct lu_buf *buf, struct lustre_capa *capa)
798 struct dt_object *next = mdd_object_child(obj);
799 if (mdd_object_exists(obj) == 0) {
800 CERROR("%s: object "DFID" not found: rc = -2\n",
801 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
804 return next->do_ops->do_xattr_list(env, next, buf, capa);
808 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
809 const struct dt_index_features *feat)
811 struct dt_object *next = mdd_object_child(obj);
812 return next->do_ops->do_index_try(env, next, feat);
816 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
817 const struct lu_fid *fid, const char *name,
818 struct thandle *handle)
820 struct dt_object *next = mdd_object_child(obj);
824 * if the object doesn't exist yet, then it's supposed to be created
825 * and declaration of the creation should be enough to insert ./..
827 if (mdd_object_exists(obj)) {
829 if (dt_try_as_dir(env, next))
830 rc = dt_declare_insert(env, next,
831 (struct dt_rec *)fid,
832 (const struct dt_key *)name,
840 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
841 const char *name, struct thandle *handle)
843 struct dt_object *next = mdd_object_child(obj);
845 if (!dt_try_as_dir(env, next))
848 return dt_declare_delete(env, next, (const struct dt_key *)name,
852 static inline int mdo_declare_ref_add(const struct lu_env *env,
853 struct mdd_object *obj,
854 struct thandle *handle)
856 struct dt_object *next = mdd_object_child(obj);
857 return dt_declare_ref_add(env, next, handle);
860 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
861 struct thandle *handle)
863 struct dt_object *next = mdd_object_child(obj);
864 if (mdd_object_exists(obj) == 0) {
865 CERROR("%s: object "DFID" not found: rc = -2\n",
866 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
869 return next->do_ops->do_ref_add(env, next, handle);
872 static inline int mdo_declare_ref_del(const struct lu_env *env,
873 struct mdd_object *obj,
874 struct thandle *handle)
876 struct dt_object *next = mdd_object_child(obj);
877 return dt_declare_ref_del(env, next, handle);
880 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
881 struct thandle *handle)
883 struct dt_object *next = mdd_object_child(obj);
884 if (mdd_object_exists(obj) == 0) {
885 CERROR("%s: object "DFID" not found: rc = -2\n",
886 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
889 return next->do_ops->do_ref_del(env, next, handle);
893 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
894 struct lu_attr *attr,
895 struct dt_allocation_hint *hint,
896 struct dt_object_format *dof,
897 struct thandle *handle)
899 struct dt_object *next = mdd_object_child(o);
900 return next->do_ops->do_declare_create(env, next, attr, hint,
905 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
906 struct lu_attr *attr,
907 struct dt_allocation_hint *hint,
908 struct dt_object_format *dof,
909 struct thandle *handle)
911 struct dt_object *next = mdd_object_child(o);
912 return next->do_ops->do_create(env, next, attr, hint, dof, handle);
916 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
917 struct thandle *handle)
919 struct dt_object *next = mdd_object_child(o);
920 return dt_declare_destroy(env, next, handle);
924 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
925 struct thandle *handle)
927 struct dt_object *next = mdd_object_child(o);
928 return dt_destroy(env, next, handle);
931 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
932 struct mdd_object *obj,
933 struct lustre_capa *old,
936 struct dt_object *next = mdd_object_child(obj);
937 if (mdd_object_exists(obj) == 0) {
938 CERROR("%s: object "DFID" not found: rc = -2\n",
939 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
940 return ERR_PTR(-ENOENT);
942 return next->do_ops->do_capa_get(env, next, old, opc);