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>
47 #include <md_object.h>
48 #include <dt_object.h>
49 #include <linux/sched.h>
50 #include <linux/capability.h>
51 #ifdef HAVE_QUOTA_SUPPORT
52 # include <lustre_quota.h>
54 #include <lustre_fsfilt.h>
55 #include <lustre/lustre_lfsck_user.h>
57 #ifdef HAVE_QUOTA_SUPPORT
59 extern quota_interface_t *mds_quota_interface_ref;
61 static inline void mdd_quota_wrapper(struct lu_attr *la, unsigned int *qids)
63 qids[USRQUOTA] = la->la_uid;
64 qids[GRPQUOTA] = la->la_gid;
68 /* PDO lock is unnecessary for current MDT stack because operations
69 * are already protected by ldlm lock */
70 #define MDD_DISABLE_PDO_LOCK 1
73 /** changelog is recording */
74 #define CLM_ON 0x00001
75 /** internal error prevented changelogs from starting */
76 #define CLM_ERR 0x00002
78 /** changelogs turned on */
79 #define CLM_START 0x10000
80 /** changelogs turned off */
81 #define CLM_FINI 0x20000
82 /** some changelog records purged */
83 #define CLM_PURGE 0x40000
85 struct mdd_changelog {
86 cfs_spinlock_t mc_lock; /* for index */
91 cfs_spinlock_t mc_user_lock;
95 /** Objects in .lustre dir */
96 struct mdd_dot_lustre_objs {
97 struct mdd_object *mdd_obf;
100 extern const char lfsck_bookmark_name[];
103 cfs_mutex_t ml_mutex;
104 cfs_spinlock_t ml_lock;
105 struct ptlrpc_thread ml_thread;
106 struct dt_object *ml_bookmark_obj;
107 struct dt_object *ml_it_obj;
108 __u32 ml_new_scanned;
109 /* Arguments for low layer iteration. */
112 /* Raw value for LFSCK speed limit. */
113 __u32 ml_speed_limit;
115 /* Schedule for every N objects. */
118 /* Sleep N jiffies for each schedule. */
121 unsigned int ml_paused:1; /* The lfsck is paused. */
125 struct md_device mdd_md_dev;
126 struct dt_device *mdd_child;
127 struct obd_device *mdd_obd_dev;
128 struct lu_fid mdd_root_fid;
129 struct dt_device_param mdd_dt_conf;
130 struct dt_object *mdd_orphans; /* PENDING directory */
131 struct dt_object *mdd_capa;
132 struct dt_txn_callback mdd_txn_cb;
133 cfs_proc_dir_entry_t *mdd_proc_entry;
134 struct lprocfs_stats *mdd_stats;
135 struct mdd_changelog mdd_cl;
136 unsigned long mdd_atime_diff;
137 struct mdd_object *mdd_dot_lustre;
138 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
139 struct md_lfsck mdd_lfsck;
140 unsigned int mdd_sync_permission;
144 /* The dir object has been unlinked */
151 enum mdd_object_role {
160 struct md_object mod_obj;
165 unsigned long mod_flags;
166 #ifndef MDD_DISABLE_PDO_LOCK
167 struct dynlock mod_pdlock;
169 #ifdef CONFIG_LOCKDEP
170 /* "dep_map" name is assumed by lockdep.h macros. */
171 struct lockdep_map dep_map;
175 struct mdd_thread_info {
176 struct lu_fid mti_fid;
177 struct lu_fid mti_fid2; /* used for be & cpu converting */
178 struct lu_attr mti_la;
179 struct lu_attr mti_la_for_fix;
180 struct md_attr mti_ma;
181 struct obd_info mti_oi;
182 /* mti_orph_ent and mti_orph_key must be conjoint,
183 * then mti_orph_ent::lde_name will be mti_orph_key. */
184 struct lu_dirent mti_orph_ent;
185 char mti_orph_key[NAME_MAX + 1];
186 struct obd_trans_info mti_oti;
187 struct lu_buf mti_buf;
188 struct lu_buf mti_big_buf; /* biggish persistent buf */
189 struct lu_name mti_name;
191 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
192 struct dt_allocation_hint mti_hint;
193 struct lov_mds_md *mti_max_lmm;
194 int mti_max_lmm_size;
195 struct llog_cookie *mti_max_cookie;
196 int mti_max_cookie_size;
197 struct dt_object_format mti_dof;
198 struct obd_quotactl mti_oqctl;
201 extern const char orph_index_name[];
203 extern const struct dt_index_features orph_index_features;
205 struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
206 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
207 struct mdd_device *mdd);
209 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
210 struct mdd_device *mdd);
212 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
213 struct lustre_cfg *cfg);
214 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
215 struct lustre_cfg *lcfg);
216 int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
217 const struct lu_buf *buf, const char *name,
218 int fl, struct thandle *handle);
219 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
220 const struct lu_buf *buf, const char *name, int fl,
221 struct thandle *txn);
222 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
223 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
224 struct mdd_object *child, struct lov_mds_md *lmm,
225 int lmm_size, struct thandle *handle, int set_stripe);
226 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
227 struct mdd_object *parent, struct mdd_object *child,
228 struct lov_mds_md **lmm, int *lmm_size,
229 const struct md_op_spec *spec, struct md_attr *ma);
230 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
231 int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
233 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
234 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
235 struct lov_mds_md *lmm, int lmm_size,
236 const struct md_op_spec *spec);
237 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
238 struct lov_mds_md *lmm, struct ldlm_extent *extent,
239 struct lustre_handle *lockh);
240 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
241 struct lov_mds_md *lmm, struct lustre_handle *lockh);
242 int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
243 const struct md_op_spec *spec, struct md_attr *ma);
244 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
245 void *md, int *md_size, const char *name);
246 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
247 void *md, int *md_size, const char *name);
248 int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
249 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
250 struct lu_attr *la, struct lustre_capa *capa);
251 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
253 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
254 const struct md_attr *ma);
255 int mdd_attr_set_internal(const struct lu_env *env,
256 struct mdd_object *obj,
257 struct lu_attr *attr,
258 struct thandle *handle,
260 int mdd_attr_check_set_internal(const struct lu_env *env,
261 struct mdd_object *obj,
262 struct lu_attr *attr,
263 struct thandle *handle,
265 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
266 struct md_attr *ma, struct thandle *handle);
267 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
268 struct md_attr *ma, struct thandle *handle);
269 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
271 int mdd_attr_get_internal(const struct lu_env *env, struct mdd_object *mdd_obj,
273 int mdd_attr_get_internal_locked(const struct lu_env *env,
274 struct mdd_object *mdd_obj,
276 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
277 struct mdd_object *c, struct md_attr *ma,
278 struct thandle *handle,
279 const struct md_op_spec *spec);
280 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
281 struct mdd_object *obj,
282 struct lu_attr *attr,
283 struct thandle *handle,
285 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
289 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
290 enum mdd_object_role role);
291 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
292 enum mdd_object_role role);
293 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
294 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
295 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
297 void mdd_pdlock_init(struct mdd_object *obj);
298 unsigned long mdd_name2hash(const char *name);
299 void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
300 const char *name, enum mdd_object_role role);
301 void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
302 const char *name, enum mdd_object_role role);
303 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
305 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
308 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
309 const struct lu_fid *fid, struct lu_fid *sfid);
310 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
311 struct mdd_object *cobj, int check_perm, int check_nlink);
312 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
313 const struct md_attr *ma);
314 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
315 struct mdd_object *cobj, struct md_attr *ma,
316 int check_perm, int check_empty);
317 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
318 struct mdd_object *cobj, struct md_attr *ma);
319 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
320 struct md_attr *ma, struct thandle *th);
321 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
322 const struct lu_name *lname, struct mdd_object *child,
323 struct md_attr *ma, struct thandle *handle,
324 const struct md_op_spec *spec);
325 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
326 const struct lu_name *lname, struct mdd_object *src_obj);
327 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
328 int mdd_lookup(const struct lu_env *env,
329 struct md_object *pobj, const struct lu_name *lname,
330 struct lu_fid* fid, struct md_op_spec *spec);
331 struct lu_buf *mdd_links_get(const struct lu_env *env,
332 struct mdd_object *mdd_obj);
333 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
334 struct lu_name *lname, struct lu_fid *pfid);
337 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
338 struct md_attr *ma, struct thandle *handle);
339 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
340 struct mdd_object *mdd_cobj, struct md_attr *ma);
342 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
343 const struct md_attr *ma,
344 struct lov_mds_md *lmm, int lmm_size,
345 struct llog_cookie *logcookies, int cookies_size);
347 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
348 struct lov_mds_md *lmm);
350 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
351 struct lov_mds_md *lmm, int lmm_size,
352 struct llog_cookie *logcookies);
354 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
355 struct mdd_object *obj, struct lu_attr *la,
356 struct md_attr *ma, int log_unlink);
358 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
360 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
361 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
362 const void *area, ssize_t len);
364 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
365 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
367 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
369 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
370 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
371 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
373 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
377 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
378 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
379 int mdd_procfs_fini(struct mdd_device *mdd);
380 void mdd_lprocfs_time_start(const struct lu_env *env);
381 void mdd_lprocfs_time_end(const struct lu_env *env,
382 struct mdd_device *mdd, int op);
385 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
386 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
387 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
388 void mdd_buf_put(struct lu_buf *buf);
390 extern const struct md_dir_operations mdd_dir_ops;
391 extern const struct md_object_operations mdd_obj_ops;
393 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
394 extern struct lu_context_key mdd_thread_key;
395 extern const struct lu_device_operations mdd_lu_ops;
397 struct mdd_object *mdd_object_find(const struct lu_env *env,
398 struct mdd_device *d,
399 const struct lu_fid *f);
400 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
401 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
402 const struct lu_rdpg *rdpg);
403 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
404 int reclen, struct thandle *handle);
405 int mdd_declare_changelog_store(const struct lu_env *env,
406 struct mdd_device *mdd,
407 const struct lu_name *fname,
408 struct thandle *handle);
409 int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type,
410 int flags, struct md_object *obj);
411 int mdd_declare_object_create_internal(const struct lu_env *env,
412 struct mdd_object *p,
413 struct mdd_object *c,
415 struct thandle *handle,
416 const struct md_op_spec *spec);
418 #ifdef HAVE_QUOTA_SUPPORT
419 int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
420 int mdd_quota_setup(const struct lu_env *env, struct md_device *m,
422 int mdd_quota_cleanup(const struct lu_env *env, struct md_device *m);
423 int mdd_quota_recovery(const struct lu_env *env, struct md_device *m);
424 int mdd_quota_check(const struct lu_env *env, struct md_device *m,
426 int mdd_quota_on(const struct lu_env *env, struct md_device *m,
428 int mdd_quota_off(const struct lu_env *env, struct md_device *m,
430 int mdd_quota_setinfo(const struct lu_env *env, struct md_device *m,
431 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
432 int mdd_quota_getinfo(const struct lu_env *env, const struct md_device *m,
433 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
434 int mdd_quota_setquota(const struct lu_env *env, struct md_device *m,
435 __u32 type, __u32 id, struct obd_dqblk *dqblk);
436 int mdd_quota_getquota(const struct lu_env *env, const struct md_device *m,
437 __u32 type, __u32 id, struct obd_dqblk *dqblk);
438 int mdd_quota_getoinfo(const struct lu_env *env, const struct md_device *m,
439 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
440 int mdd_quota_getoquota(const struct lu_env *env, const struct md_device *m,
441 __u32 type, __u32 id, struct obd_dqblk *dqblk);
442 int mdd_quota_invalidate(const struct lu_env *env, struct md_device *m,
444 int mdd_quota_finvalidate(const struct lu_env *env, struct md_device *m,
449 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
450 struct mdd_object *obj, struct lu_attr *la);
452 static inline void mdd_object_put(const struct lu_env *env,
453 struct mdd_object *o)
455 lu_object_put(env, &o->mod_obj.mo_lu);
458 struct thandle *mdd_trans_create(const struct lu_env *env,
459 struct mdd_device *mdd);
460 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
462 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
463 int rc, struct thandle *handle);
464 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
466 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
470 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
471 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
472 struct lfsck_start *start);
473 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
474 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
475 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
478 struct lu_object *mdd_object_alloc(const struct lu_env *env,
479 const struct lu_object_header *hdr,
480 struct lu_device *d);
481 struct llog_changelog_rec;
482 int mdd_changelog_llog_write(struct mdd_device *mdd,
483 struct llog_changelog_rec *rec,
484 struct thandle *handle);
485 int mdd_changelog_ext_llog_write(struct mdd_device *mdd,
486 struct llog_changelog_ext_rec *rec,
487 struct thandle *handle);
488 int mdd_changelog_llog_cancel(const struct lu_env *env, struct mdd_device *mdd,
490 int mdd_changelog_write_header(struct mdd_device *mdd, int markerflags);
491 int mdd_changelog_on(struct mdd_device *mdd, int on);
493 /* mdd_permission.c */
494 #define mdd_cap_t(x) (x)
496 #define MDD_CAP_TO_MASK(x) (1 << (x))
498 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
500 /* capable() is copied from linux kernel! */
501 static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap)
503 if (mdd_cap_raised(uc->mu_cap, cap))
508 int mdd_def_acl_get(const struct lu_env *env, struct mdd_object *mdd_obj,
510 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
511 struct thandle *handle);
512 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
513 int is_dir, struct thandle *handle);
514 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
515 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
516 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
517 struct lu_attr *la, int mask, int role);
518 int mdd_permission(const struct lu_env *env,
519 struct md_object *pobj, struct md_object *cobj,
520 struct md_attr *ma, int mask);
521 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
522 struct lustre_capa *capa, int renewal);
524 static inline int lu_device_is_mdd(struct lu_device *d)
526 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
529 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
531 LASSERT(lu_device_is_mdd(d));
532 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
535 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
537 return (&d->mdd_md_dev.md_lu_dev);
540 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
542 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
543 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
546 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
548 return lu2mdd_dev(mdo->mo_lu.lo_dev);
551 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
553 return container_of0(mdo, struct mdd_object, mod_obj);
556 static inline const struct dt_device_operations *
557 mdd_child_ops(struct mdd_device *d)
559 return d->mdd_child->dd_ops;
562 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
564 return &obj->mod_obj.mo_lu;
567 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
569 return container_of0(lu_object_next(mdd2lu_obj(o)),
570 struct dt_object, do_lu);
573 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
575 return mdd->mdd_obd_dev;
578 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
580 return mdo2mdd(&obj->mod_obj);
583 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
585 return lu_object_fid(&obj->mod_obj.mo_lu);
588 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
590 return lu_object_attr(&obj->mod_obj.mo_lu);
593 static inline int mdd_lov_mdsize(const struct lu_env *env,
594 struct mdd_device *mdd)
596 struct obd_device *obd = mdd2obd_dev(mdd);
597 return obd->u.mds.mds_max_mdsize;
600 static inline int mdd_lov_cookiesize(const struct lu_env *env,
601 struct mdd_device *mdd)
603 struct obd_device *obd = mdd2obd_dev(mdd);
604 return obd->u.mds.mds_max_cookiesize;
607 static inline int mdd_is_immutable(struct mdd_object *obj)
609 return obj->mod_flags & IMMUTE_OBJ;
612 static inline int mdd_is_dead_obj(struct mdd_object *obj)
614 return obj && obj->mod_flags & DEAD_OBJ;
617 static inline int mdd_is_append(struct mdd_object *obj)
619 return obj->mod_flags & APPEND_OBJ;
622 static inline int mdd_object_exists(struct mdd_object *obj)
624 return lu_object_exists(mdd2lu_obj(obj));
627 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
629 return lu_object_fid(mdd2lu_obj(obj));
632 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
633 const struct mdd_object *obj)
635 struct md_capainfo *ci = md_capainfo(env);
636 const struct lu_fid *fid = mdo2fid(obj);
639 /* NB: in mdt_init0 */
642 for (i = 0; i < MD_CAPAINFO_MAX; i++)
643 if (lu_fid_eq(&ci->mc_fid[i], fid))
644 return ci->mc_capa[i];
648 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
649 const struct mdd_object *obj,
650 struct lustre_capa *capa)
652 struct md_capainfo *ci = md_capainfo(env);
653 const struct lu_fid *fid = mdo2fid(obj);
655 LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX);
656 /* NB: in mdt_init0 */
659 ci->mc_fid[offset] = *fid;
660 ci->mc_capa[offset] = capa;
663 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
665 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
668 #define MAX_ATIME_DIFF 60
674 static inline int mdd_permission_internal(const struct lu_env *env,
675 struct mdd_object *obj,
676 struct lu_attr *la, int mask)
678 return __mdd_permission_internal(env, obj, la, mask, -1);
681 static inline int mdd_permission_internal_locked(const struct lu_env *env,
682 struct mdd_object *obj,
683 struct lu_attr *la, int mask,
684 enum mdd_object_role role)
686 return __mdd_permission_internal(env, obj, la, mask, role);
689 static inline int mdo_data_get(const struct lu_env *env,
690 struct mdd_object *obj,
693 struct dt_object *next = mdd_object_child(obj);
694 next->do_ops->do_data_get(env, next, data);
698 /* mdd inline func for calling osd_dt_object ops */
699 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
700 struct lu_attr *la, struct lustre_capa *capa)
702 struct dt_object *next = mdd_object_child(obj);
703 return next->do_ops->do_attr_get(env, next, la, capa);
706 static inline int mdo_declare_attr_set(const struct lu_env *env,
707 struct mdd_object *obj,
708 const struct lu_attr *la,
709 struct thandle *handle)
711 struct dt_object *next = mdd_object_child(obj);
712 return dt_declare_attr_set(env, next, la, handle);
715 static inline int mdo_attr_set(const struct lu_env *env,
716 struct mdd_object *obj,
717 const struct lu_attr *la,
718 struct thandle *handle,
719 struct lustre_capa *capa)
721 struct dt_object *next = mdd_object_child(obj);
722 if (mdd_object_exists(obj) == 0) {
723 CERROR("%s: object "DFID" not found: rc = -2\n",
724 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
727 return next->do_ops->do_attr_set(env, next, la, handle, capa);
730 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
731 struct lu_buf *buf, const char *name,
732 struct lustre_capa *capa)
734 struct dt_object *next = mdd_object_child(obj);
735 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
738 static inline int mdo_declare_xattr_set(const struct lu_env *env,
739 struct mdd_object *obj,
740 const struct lu_buf *buf,
742 int fl, struct thandle *handle)
744 struct dt_object *next = mdd_object_child(obj);
745 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
748 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
749 const struct lu_buf *buf, const char *name,
750 int fl, struct thandle *handle,
751 struct lustre_capa *capa)
753 struct dt_object *next = mdd_object_child(obj);
754 if (mdd_object_exists(obj) == 0) {
755 CERROR("%s: object "DFID" not found: rc = -2\n",
756 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
759 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
763 static inline int mdo_declare_xattr_del(const struct lu_env *env,
764 struct mdd_object *obj,
766 struct thandle *handle)
768 struct dt_object *next = mdd_object_child(obj);
769 return dt_declare_xattr_del(env, next, name, handle);
772 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
773 const char *name, struct thandle *handle,
774 struct lustre_capa *capa)
776 struct dt_object *next = mdd_object_child(obj);
777 if (mdd_object_exists(obj) == 0) {
778 CERROR("%s: object "DFID" not found: rc = -2\n",
779 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
782 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
786 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
787 struct lu_buf *buf, struct lustre_capa *capa)
789 struct dt_object *next = mdd_object_child(obj);
790 if (mdd_object_exists(obj) == 0) {
791 CERROR("%s: object "DFID" not found: rc = -2\n",
792 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
795 return next->do_ops->do_xattr_list(env, next, buf, capa);
799 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
800 const struct dt_index_features *feat)
802 struct dt_object *next = mdd_object_child(obj);
803 return next->do_ops->do_index_try(env, next, feat);
807 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
808 const struct lu_fid *fid, const char *name,
809 struct thandle *handle)
811 struct dt_object *next = mdd_object_child(obj);
815 * if the object doesn't exist yet, then it's supposed to be created
816 * and declaration of the creation should be enough to insert ./..
818 if (mdd_object_exists(obj)) {
820 if (dt_try_as_dir(env, next))
821 rc = dt_declare_insert(env, next,
822 (struct dt_rec *)fid,
823 (const struct dt_key *)name,
831 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
832 const char *name, struct thandle *handle)
834 struct dt_object *next = mdd_object_child(obj);
836 if (!dt_try_as_dir(env, next))
839 return dt_declare_delete(env, next, (const struct dt_key *)name,
843 static inline int mdo_declare_ref_add(const struct lu_env *env,
844 struct mdd_object *obj,
845 struct thandle *handle)
847 struct dt_object *next = mdd_object_child(obj);
848 return dt_declare_ref_add(env, next, handle);
851 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
852 struct thandle *handle)
854 struct dt_object *next = mdd_object_child(obj);
855 if (mdd_object_exists(obj) == 0) {
856 CERROR("%s: object "DFID" not found: rc = -2\n",
857 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
860 return next->do_ops->do_ref_add(env, next, handle);
863 static inline int mdo_declare_ref_del(const struct lu_env *env,
864 struct mdd_object *obj,
865 struct thandle *handle)
867 struct dt_object *next = mdd_object_child(obj);
868 return dt_declare_ref_del(env, next, handle);
871 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
872 struct thandle *handle)
874 struct dt_object *next = mdd_object_child(obj);
875 if (mdd_object_exists(obj) == 0) {
876 CERROR("%s: object "DFID" not found: rc = -2\n",
877 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
880 return next->do_ops->do_ref_del(env, next, handle);
884 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
885 struct lu_attr *attr,
886 struct dt_allocation_hint *hint,
887 struct dt_object_format *dof,
888 struct thandle *handle)
890 struct dt_object *next = mdd_object_child(o);
891 return next->do_ops->do_declare_create(env, next, attr, hint,
896 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
897 struct lu_attr *attr,
898 struct dt_allocation_hint *hint,
899 struct dt_object_format *dof,
900 struct thandle *handle)
902 struct dt_object *next = mdd_object_child(o);
903 return next->do_ops->do_create(env, next, attr, hint, dof, handle);
907 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
908 struct thandle *handle)
910 struct dt_object *next = mdd_object_child(o);
911 return dt_declare_destroy(env, next, handle);
915 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
916 struct thandle *handle)
918 struct dt_object *next = mdd_object_child(o);
919 return dt_destroy(env, next, handle);
922 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
923 struct mdd_object *obj,
924 struct lustre_capa *old,
927 struct dt_object *next = mdd_object_child(obj);
928 if (mdd_object_exists(obj) == 0) {
929 CERROR("%s: object "DFID" not found: rc = -2\n",
930 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
931 return ERR_PTR(-ENOENT);
933 return next->do_ops->do_capa_get(env, next, old, opc);