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 lu_attr mti_pattr;
182 struct lu_attr mti_cattr;
183 struct md_attr mti_ma;
184 struct obd_info mti_oi;
185 /* mti_orph_ent and mti_orph_key must be conjoint,
186 * then mti_orph_ent::lde_name will be mti_orph_key. */
187 struct lu_dirent mti_orph_ent;
188 char mti_orph_key[NAME_MAX + 1];
189 struct obd_trans_info mti_oti;
190 struct lu_buf mti_buf;
191 struct lu_buf mti_big_buf; /* biggish persistent buf */
192 struct lu_name mti_name;
194 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
195 struct dt_allocation_hint mti_hint;
196 struct lov_mds_md *mti_max_lmm;
197 int mti_max_lmm_size;
198 struct llog_cookie *mti_max_cookie;
199 int mti_max_cookie_size;
200 struct dt_object_format mti_dof;
201 struct obd_quotactl mti_oqctl;
204 extern const char orph_index_name[];
206 extern const struct dt_index_features orph_index_features;
208 struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
209 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
210 struct mdd_device *mdd);
212 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
213 struct mdd_device *mdd);
215 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
216 struct lustre_cfg *cfg);
217 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
218 struct lustre_cfg *lcfg);
219 int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
220 const struct lu_buf *buf, const char *name,
221 int fl, struct thandle *handle);
222 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
223 const struct lu_buf *buf, const char *name, int fl,
224 struct thandle *txn);
225 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
226 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
227 struct mdd_object *child, struct lov_mds_md *lmm,
228 int lmm_size, struct thandle *handle, int set_stripe);
229 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
230 struct mdd_object *parent, struct mdd_object *child,
231 struct lov_mds_md **lmm, int *lmm_size,
232 const struct md_op_spec *spec, struct md_attr *ma);
233 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
234 int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
236 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
237 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
238 struct lov_mds_md *lmm, int lmm_size,
239 const struct md_op_spec *spec);
240 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
241 struct lov_mds_md *lmm, struct ldlm_extent *extent,
242 struct lustre_handle *lockh);
243 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
244 struct lov_mds_md *lmm, struct lustre_handle *lockh);
245 int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
246 const struct md_op_spec *spec, struct md_attr *ma);
247 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
248 void *md, int *md_size, const char *name);
249 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
250 void *md, int *md_size, const char *name);
251 int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
252 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
253 struct lu_attr *la, struct lustre_capa *capa);
254 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
256 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
257 const struct md_attr *ma);
258 int mdd_attr_set_internal(const struct lu_env *env,
259 struct mdd_object *obj,
260 struct lu_attr *attr,
261 struct thandle *handle,
263 int mdd_attr_check_set_internal(const struct lu_env *env,
264 struct mdd_object *obj,
265 struct lu_attr *attr,
266 struct thandle *handle,
268 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
269 struct md_attr *ma, struct thandle *handle);
270 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
271 struct md_attr *ma, struct thandle *handle);
272 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
274 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
275 struct mdd_object *c, struct lu_attr *attr,
276 struct thandle *handle,
277 const struct md_op_spec *spec);
278 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
279 struct mdd_object *obj,
280 struct lu_attr *attr,
281 struct thandle *handle,
283 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
287 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
288 enum mdd_object_role role);
289 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
290 enum mdd_object_role role);
291 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
292 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
293 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
295 void mdd_pdlock_init(struct mdd_object *obj);
296 unsigned long mdd_name2hash(const char *name);
297 void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
298 const char *name, enum mdd_object_role role);
299 void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
300 const char *name, enum mdd_object_role role);
301 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
303 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
306 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
307 const struct lu_fid *fid, struct lu_fid *sfid);
308 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
309 struct mdd_object *cobj, int check_perm, int check_nlink);
310 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
311 const struct lu_attr *attr);
312 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
313 struct mdd_object *cobj, struct lu_attr *cattr,
314 struct lu_attr *src_attr, int check_perm, int check_empty);
315 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
316 struct mdd_object *cobj, struct lu_attr *cattr);
317 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
318 struct md_attr *ma, struct thandle *th);
319 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
320 const struct lu_name *lname, struct mdd_object *child,
321 struct lu_attr *attr, struct thandle *handle,
322 const struct md_op_spec *spec);
323 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
324 const struct lu_name *lname, struct mdd_object *src_obj);
325 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
326 int mdd_lookup(const struct lu_env *env,
327 struct md_object *pobj, const struct lu_name *lname,
328 struct lu_fid* fid, struct md_op_spec *spec);
329 struct lu_buf *mdd_links_get(const struct lu_env *env,
330 struct mdd_object *mdd_obj);
331 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
332 struct lu_name *lname, struct lu_fid *pfid);
335 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
336 struct md_attr *ma, struct thandle *handle);
337 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
338 struct mdd_object *mdd_cobj, struct md_attr *ma);
340 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
341 const struct md_attr *ma,
342 struct lov_mds_md *lmm, int lmm_size,
343 struct llog_cookie *logcookies, int cookies_size);
345 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
346 struct lov_mds_md *lmm);
348 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
349 struct lov_mds_md *lmm, int lmm_size,
350 struct llog_cookie *logcookies);
352 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
353 struct mdd_object *obj, struct lu_attr *la,
354 struct md_attr *ma, int log_unlink);
356 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
358 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
359 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
360 const void *area, ssize_t len);
362 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
363 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
365 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
367 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
368 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
369 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
371 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
375 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
376 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
377 int mdd_procfs_fini(struct mdd_device *mdd);
378 void mdd_lprocfs_time_start(const struct lu_env *env);
379 void mdd_lprocfs_time_end(const struct lu_env *env,
380 struct mdd_device *mdd, int op);
383 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
384 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
385 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
386 void mdd_buf_put(struct lu_buf *buf);
388 extern const struct md_dir_operations mdd_dir_ops;
389 extern const struct md_object_operations mdd_obj_ops;
391 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
392 extern struct lu_context_key mdd_thread_key;
393 extern const struct lu_device_operations mdd_lu_ops;
395 struct mdd_object *mdd_object_find(const struct lu_env *env,
396 struct mdd_device *d,
397 const struct lu_fid *f);
398 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
399 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
400 const struct lu_rdpg *rdpg);
401 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
402 int reclen, struct thandle *handle);
403 int mdd_declare_changelog_store(const struct lu_env *env,
404 struct mdd_device *mdd,
405 const struct lu_name *fname,
406 struct thandle *handle);
407 int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type,
408 int flags, struct md_object *obj);
409 int mdd_declare_object_create_internal(const struct lu_env *env,
410 struct mdd_object *p,
411 struct mdd_object *c,
412 struct lu_attr *attr,
413 struct thandle *handle,
414 const struct md_op_spec *spec);
416 #ifdef HAVE_QUOTA_SUPPORT
417 int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
418 int mdd_quota_setup(const struct lu_env *env, struct md_device *m,
420 int mdd_quota_cleanup(const struct lu_env *env, struct md_device *m);
421 int mdd_quota_recovery(const struct lu_env *env, struct md_device *m);
422 int mdd_quota_check(const struct lu_env *env, struct md_device *m,
424 int mdd_quota_on(const struct lu_env *env, struct md_device *m,
426 int mdd_quota_off(const struct lu_env *env, struct md_device *m,
428 int mdd_quota_setinfo(const struct lu_env *env, struct md_device *m,
429 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
430 int mdd_quota_getinfo(const struct lu_env *env, const struct md_device *m,
431 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
432 int mdd_quota_setquota(const struct lu_env *env, struct md_device *m,
433 __u32 type, __u32 id, struct obd_dqblk *dqblk);
434 int mdd_quota_getquota(const struct lu_env *env, const struct md_device *m,
435 __u32 type, __u32 id, struct obd_dqblk *dqblk);
436 int mdd_quota_getoinfo(const struct lu_env *env, const struct md_device *m,
437 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
438 int mdd_quota_getoquota(const struct lu_env *env, const struct md_device *m,
439 __u32 type, __u32 id, struct obd_dqblk *dqblk);
440 int mdd_quota_invalidate(const struct lu_env *env, struct md_device *m,
442 int mdd_quota_finvalidate(const struct lu_env *env, struct md_device *m,
447 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
448 struct mdd_object *obj, struct lu_attr *la);
450 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
451 struct mdd_object *child, struct lu_attr *attr);
453 static inline void mdd_object_put(const struct lu_env *env,
454 struct mdd_object *o)
456 lu_object_put(env, &o->mod_obj.mo_lu);
459 struct thandle *mdd_trans_create(const struct lu_env *env,
460 struct mdd_device *mdd);
461 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
463 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
464 int rc, struct thandle *handle);
465 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
467 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
471 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
472 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
473 struct lfsck_start *start);
474 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
475 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
476 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
479 struct lu_object *mdd_object_alloc(const struct lu_env *env,
480 const struct lu_object_header *hdr,
481 struct lu_device *d);
482 struct llog_changelog_rec;
483 int mdd_changelog_llog_write(struct mdd_device *mdd,
484 struct llog_changelog_rec *rec,
485 struct thandle *handle);
486 int mdd_changelog_ext_llog_write(struct mdd_device *mdd,
487 struct llog_changelog_ext_rec *rec,
488 struct thandle *handle);
489 int mdd_changelog_llog_cancel(const struct lu_env *env, struct mdd_device *mdd,
491 int mdd_changelog_write_header(struct mdd_device *mdd, int markerflags);
492 int mdd_changelog_on(struct mdd_device *mdd, int on);
494 /* mdd_permission.c */
495 #define mdd_cap_t(x) (x)
497 #define MDD_CAP_TO_MASK(x) (1 << (x))
499 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
501 /* capable() is copied from linux kernel! */
502 static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap)
504 if (mdd_cap_raised(uc->mu_cap, cap))
509 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
510 struct thandle *handle);
511 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
512 int is_dir, struct thandle *handle);
513 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
514 const struct lu_buf *buf, int fl);
515 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
516 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
517 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
518 struct lu_attr *la, int mask, int role);
519 int mdd_permission(const struct lu_env *env,
520 struct md_object *pobj, struct md_object *cobj,
521 struct md_attr *ma, int mask);
522 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
523 struct lustre_capa *capa, int renewal);
525 static inline int lu_device_is_mdd(struct lu_device *d)
527 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
530 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
532 LASSERT(lu_device_is_mdd(d));
533 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
536 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
538 return (&d->mdd_md_dev.md_lu_dev);
541 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
543 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
544 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
547 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
549 return lu2mdd_dev(mdo->mo_lu.lo_dev);
552 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
554 return container_of0(mdo, struct mdd_object, mod_obj);
557 static inline const struct dt_device_operations *
558 mdd_child_ops(struct mdd_device *d)
560 return d->mdd_child->dd_ops;
563 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
565 return &obj->mod_obj.mo_lu;
568 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
570 return container_of0(lu_object_next(mdd2lu_obj(o)),
571 struct dt_object, do_lu);
574 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
576 return mdd->mdd_obd_dev;
579 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
581 return mdo2mdd(&obj->mod_obj);
584 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
586 return lu_object_fid(&obj->mod_obj.mo_lu);
589 static inline int mdd_object_obf(const struct mdd_object *obj)
591 return lu_fid_eq(mdo2fid(obj), &LU_OBF_FID);
594 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
596 return lu_object_attr(&obj->mod_obj.mo_lu);
599 static inline int mdd_lov_mdsize(const struct lu_env *env,
600 struct mdd_device *mdd)
602 struct obd_device *obd = mdd2obd_dev(mdd);
603 return obd->u.mds.mds_max_mdsize;
606 static inline int mdd_lov_cookiesize(const struct lu_env *env,
607 struct mdd_device *mdd)
609 struct obd_device *obd = mdd2obd_dev(mdd);
610 return obd->u.mds.mds_max_cookiesize;
613 static inline int mdd_is_immutable(struct mdd_object *obj)
615 return obj->mod_flags & IMMUTE_OBJ;
618 static inline int mdd_is_dead_obj(struct mdd_object *obj)
620 return obj && obj->mod_flags & DEAD_OBJ;
623 static inline int mdd_is_append(struct mdd_object *obj)
625 return obj->mod_flags & APPEND_OBJ;
628 static inline int mdd_object_exists(struct mdd_object *obj)
630 return lu_object_exists(mdd2lu_obj(obj));
633 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
635 return lu_object_fid(mdd2lu_obj(obj));
638 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
639 const struct mdd_object *obj)
641 struct md_capainfo *ci = md_capainfo(env);
642 const struct lu_fid *fid = mdo2fid(obj);
645 /* NB: in mdt_init0 */
648 for (i = 0; i < MD_CAPAINFO_MAX; i++)
649 if (lu_fid_eq(&ci->mc_fid[i], fid))
650 return ci->mc_capa[i];
654 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
655 const struct mdd_object *obj,
656 struct lustre_capa *capa)
658 struct md_capainfo *ci = md_capainfo(env);
659 const struct lu_fid *fid = mdo2fid(obj);
661 LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX);
662 /* NB: in mdt_init0 */
665 ci->mc_fid[offset] = *fid;
666 ci->mc_capa[offset] = capa;
669 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
671 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
674 #define MAX_ATIME_DIFF 60
680 static inline int mdd_permission_internal(const struct lu_env *env,
681 struct mdd_object *obj,
682 struct lu_attr *la, int mask)
684 return __mdd_permission_internal(env, obj, la, mask, -1);
687 static inline int mdd_permission_internal_locked(const struct lu_env *env,
688 struct mdd_object *obj,
689 struct lu_attr *la, int mask,
690 enum mdd_object_role role)
692 return __mdd_permission_internal(env, obj, la, mask, role);
695 static inline int mdo_data_get(const struct lu_env *env,
696 struct mdd_object *obj,
699 struct dt_object *next = mdd_object_child(obj);
700 next->do_ops->do_data_get(env, next, data);
704 /* mdd inline func for calling osd_dt_object ops */
705 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
706 struct lu_attr *la, struct lustre_capa *capa)
708 struct dt_object *next = mdd_object_child(obj);
709 return next->do_ops->do_attr_get(env, next, la, capa);
712 static inline int mdo_declare_attr_set(const struct lu_env *env,
713 struct mdd_object *obj,
714 const struct lu_attr *la,
715 struct thandle *handle)
717 struct dt_object *next = mdd_object_child(obj);
718 return dt_declare_attr_set(env, next, la, handle);
721 static inline int mdo_attr_set(const struct lu_env *env,
722 struct mdd_object *obj,
723 const struct lu_attr *la,
724 struct thandle *handle,
725 struct lustre_capa *capa)
727 struct dt_object *next = mdd_object_child(obj);
728 if (mdd_object_exists(obj) == 0) {
729 CERROR("%s: object "DFID" not found: rc = -2\n",
730 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
733 return next->do_ops->do_attr_set(env, next, la, handle, capa);
736 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
737 struct lu_buf *buf, const char *name,
738 struct lustre_capa *capa)
740 struct dt_object *next = mdd_object_child(obj);
741 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
744 static inline int mdo_declare_xattr_set(const struct lu_env *env,
745 struct mdd_object *obj,
746 const struct lu_buf *buf,
748 int fl, struct thandle *handle)
750 struct dt_object *next = mdd_object_child(obj);
751 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
754 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
755 const struct lu_buf *buf, const char *name,
756 int fl, struct thandle *handle,
757 struct lustre_capa *capa)
759 struct dt_object *next = mdd_object_child(obj);
760 if (mdd_object_exists(obj) == 0) {
761 CERROR("%s: object "DFID" not found: rc = -2\n",
762 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
765 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
769 static inline int mdo_declare_xattr_del(const struct lu_env *env,
770 struct mdd_object *obj,
772 struct thandle *handle)
774 struct dt_object *next = mdd_object_child(obj);
775 return dt_declare_xattr_del(env, next, name, handle);
778 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
779 const char *name, struct thandle *handle,
780 struct lustre_capa *capa)
782 struct dt_object *next = mdd_object_child(obj);
783 if (mdd_object_exists(obj) == 0) {
784 CERROR("%s: object "DFID" not found: rc = -2\n",
785 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
788 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
792 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
793 struct lu_buf *buf, struct lustre_capa *capa)
795 struct dt_object *next = mdd_object_child(obj);
796 if (mdd_object_exists(obj) == 0) {
797 CERROR("%s: object "DFID" not found: rc = -2\n",
798 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
801 return next->do_ops->do_xattr_list(env, next, buf, capa);
805 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
806 const struct dt_index_features *feat)
808 struct dt_object *next = mdd_object_child(obj);
809 return next->do_ops->do_index_try(env, next, feat);
813 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
814 const struct lu_fid *fid, const char *name,
815 struct thandle *handle)
817 struct dt_object *next = mdd_object_child(obj);
821 * if the object doesn't exist yet, then it's supposed to be created
822 * and declaration of the creation should be enough to insert ./..
824 if (mdd_object_exists(obj)) {
826 if (dt_try_as_dir(env, next))
827 rc = dt_declare_insert(env, next,
828 (struct dt_rec *)fid,
829 (const struct dt_key *)name,
837 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
838 const char *name, struct thandle *handle)
840 struct dt_object *next = mdd_object_child(obj);
842 if (!dt_try_as_dir(env, next))
845 return dt_declare_delete(env, next, (const struct dt_key *)name,
849 static inline int mdo_declare_ref_add(const struct lu_env *env,
850 struct mdd_object *obj,
851 struct thandle *handle)
853 struct dt_object *next = mdd_object_child(obj);
854 return dt_declare_ref_add(env, next, handle);
857 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
858 struct thandle *handle)
860 struct dt_object *next = mdd_object_child(obj);
861 if (mdd_object_exists(obj) == 0) {
862 CERROR("%s: object "DFID" not found: rc = -2\n",
863 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
866 return next->do_ops->do_ref_add(env, next, handle);
869 static inline int mdo_declare_ref_del(const struct lu_env *env,
870 struct mdd_object *obj,
871 struct thandle *handle)
873 struct dt_object *next = mdd_object_child(obj);
874 return dt_declare_ref_del(env, next, handle);
877 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
878 struct thandle *handle)
880 struct dt_object *next = mdd_object_child(obj);
881 if (mdd_object_exists(obj) == 0) {
882 CERROR("%s: object "DFID" not found: rc = -2\n",
883 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
886 return next->do_ops->do_ref_del(env, next, handle);
890 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
891 struct lu_attr *attr,
892 struct dt_allocation_hint *hint,
893 struct dt_object_format *dof,
894 struct thandle *handle)
896 struct dt_object *next = mdd_object_child(o);
897 return next->do_ops->do_declare_create(env, next, attr, hint,
902 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
903 struct lu_attr *attr,
904 struct dt_allocation_hint *hint,
905 struct dt_object_format *dof,
906 struct thandle *handle)
908 struct dt_object *next = mdd_object_child(o);
909 return next->do_ops->do_create(env, next, attr, hint, dof, handle);
913 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
914 struct thandle *handle)
916 struct dt_object *next = mdd_object_child(o);
917 return dt_declare_destroy(env, next, handle);
921 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
922 struct thandle *handle)
924 struct dt_object *next = mdd_object_child(o);
925 return dt_destroy(env, next, handle);
928 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
929 struct mdd_object *obj,
930 struct lustre_capa *old,
933 struct dt_object *next = mdd_object_child(obj);
934 if (mdd_object_exists(obj) == 0) {
935 CERROR("%s: object "DFID" not found: rc = -2\n",
936 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
937 return ERR_PTR(-ENOENT);
939 return next->do_ops->do_capa_get(env, next, old, opc);