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_set_internal(const struct lu_env *env,
252 struct mdd_object *obj,
253 struct lu_attr *attr,
254 struct thandle *handle,
256 int mdd_attr_check_set_internal(const struct lu_env *env,
257 struct mdd_object *obj,
258 struct lu_attr *attr,
259 struct thandle *handle,
261 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
262 struct md_attr *ma, struct thandle *handle);
263 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
264 struct md_attr *ma, struct thandle *handle);
265 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
267 int mdd_attr_get_internal(const struct lu_env *env, struct mdd_object *mdd_obj,
269 int mdd_attr_get_internal_locked(const struct lu_env *env,
270 struct mdd_object *mdd_obj,
272 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
273 struct mdd_object *c, struct md_attr *ma,
274 struct thandle *handle,
275 const struct md_op_spec *spec);
276 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
277 struct mdd_object *obj,
278 struct lu_attr *attr,
279 struct thandle *handle,
281 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
285 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
286 enum mdd_object_role role);
287 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
288 enum mdd_object_role role);
289 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
290 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
291 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
293 void mdd_pdlock_init(struct mdd_object *obj);
294 unsigned long mdd_name2hash(const char *name);
295 void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
296 const char *name, enum mdd_object_role role);
297 void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
298 const char *name, enum mdd_object_role role);
299 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
301 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
304 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
305 const struct lu_fid *fid, struct lu_fid *sfid);
306 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
307 struct mdd_object *cobj, int check_perm, int check_nlink);
308 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
309 const struct md_attr *ma);
310 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
311 struct mdd_object *cobj, struct md_attr *ma,
312 int check_perm, int check_empty);
313 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
314 struct mdd_object *cobj, struct md_attr *ma);
315 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
316 struct md_attr *ma, struct thandle *th);
317 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
318 const struct lu_name *lname, struct mdd_object *child,
319 struct md_attr *ma, struct thandle *handle,
320 const struct md_op_spec *spec);
321 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
322 const struct lu_name *lname, struct mdd_object *src_obj);
323 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
324 int mdd_lookup(const struct lu_env *env,
325 struct md_object *pobj, const struct lu_name *lname,
326 struct lu_fid* fid, struct md_op_spec *spec);
327 struct lu_buf *mdd_links_get(const struct lu_env *env,
328 struct mdd_object *mdd_obj);
329 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
330 struct lu_name *lname, struct lu_fid *pfid);
333 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
334 struct md_attr *ma, struct thandle *handle);
335 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
336 struct mdd_object *mdd_cobj, struct md_attr *ma);
338 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
339 const struct md_attr *ma,
340 struct lov_mds_md *lmm, int lmm_size,
341 struct llog_cookie *logcookies, int cookies_size);
343 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
344 struct lov_mds_md *lmm);
346 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
347 struct lov_mds_md *lmm, int lmm_size,
348 struct llog_cookie *logcookies);
350 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
351 struct mdd_object *obj, struct lu_attr *la,
352 struct md_attr *ma, int log_unlink);
354 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
356 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
357 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
358 const void *area, ssize_t len);
360 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
361 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
363 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
365 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
366 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
367 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
369 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
373 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
374 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
375 int mdd_procfs_fini(struct mdd_device *mdd);
376 void mdd_lprocfs_time_start(const struct lu_env *env);
377 void mdd_lprocfs_time_end(const struct lu_env *env,
378 struct mdd_device *mdd, int op);
381 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
382 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
383 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
384 void mdd_buf_put(struct lu_buf *buf);
386 extern const struct md_dir_operations mdd_dir_ops;
387 extern const struct md_object_operations mdd_obj_ops;
389 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
390 extern struct lu_context_key mdd_thread_key;
391 extern const struct lu_device_operations mdd_lu_ops;
393 struct mdd_object *mdd_object_find(const struct lu_env *env,
394 struct mdd_device *d,
395 const struct lu_fid *f);
396 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
397 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
398 const struct lu_rdpg *rdpg);
399 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
400 int reclen, struct thandle *handle);
401 int mdd_declare_changelog_store(const struct lu_env *env,
402 struct mdd_device *mdd,
403 const struct lu_name *fname,
404 struct thandle *handle);
405 int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type,
406 int flags, struct md_object *obj);
407 int mdd_declare_object_create_internal(const struct lu_env *env,
408 struct mdd_object *p,
409 struct mdd_object *c,
411 struct thandle *handle,
412 const struct md_op_spec *spec);
414 #ifdef HAVE_QUOTA_SUPPORT
415 int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
416 int mdd_quota_setup(const struct lu_env *env, struct md_device *m,
418 int mdd_quota_cleanup(const struct lu_env *env, struct md_device *m);
419 int mdd_quota_recovery(const struct lu_env *env, struct md_device *m);
420 int mdd_quota_check(const struct lu_env *env, struct md_device *m,
422 int mdd_quota_on(const struct lu_env *env, struct md_device *m,
424 int mdd_quota_off(const struct lu_env *env, struct md_device *m,
426 int mdd_quota_setinfo(const struct lu_env *env, struct md_device *m,
427 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
428 int mdd_quota_getinfo(const struct lu_env *env, const struct md_device *m,
429 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
430 int mdd_quota_setquota(const struct lu_env *env, struct md_device *m,
431 __u32 type, __u32 id, struct obd_dqblk *dqblk);
432 int mdd_quota_getquota(const struct lu_env *env, const struct md_device *m,
433 __u32 type, __u32 id, struct obd_dqblk *dqblk);
434 int mdd_quota_getoinfo(const struct lu_env *env, const struct md_device *m,
435 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
436 int mdd_quota_getoquota(const struct lu_env *env, const struct md_device *m,
437 __u32 type, __u32 id, struct obd_dqblk *dqblk);
438 int mdd_quota_invalidate(const struct lu_env *env, struct md_device *m,
440 int mdd_quota_finvalidate(const struct lu_env *env, struct md_device *m,
445 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
446 struct mdd_object *obj, struct lu_attr *la);
448 static inline void mdd_object_put(const struct lu_env *env,
449 struct mdd_object *o)
451 lu_object_put(env, &o->mod_obj.mo_lu);
454 struct thandle *mdd_trans_create(const struct lu_env *env,
455 struct mdd_device *mdd);
456 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
458 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
459 int rc, struct thandle *handle);
460 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
462 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
466 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
467 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
468 struct lfsck_start *start);
469 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
470 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
471 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
474 struct lu_object *mdd_object_alloc(const struct lu_env *env,
475 const struct lu_object_header *hdr,
476 struct lu_device *d);
477 struct llog_changelog_rec;
478 int mdd_changelog_llog_write(struct mdd_device *mdd,
479 struct llog_changelog_rec *rec,
480 struct thandle *handle);
481 int mdd_changelog_ext_llog_write(struct mdd_device *mdd,
482 struct llog_changelog_ext_rec *rec,
483 struct thandle *handle);
484 int mdd_changelog_llog_cancel(struct mdd_device *mdd, long long endrec);
485 int mdd_changelog_write_header(struct mdd_device *mdd, int markerflags);
486 int mdd_changelog_on(struct mdd_device *mdd, int on);
488 /* mdd_permission.c */
489 #define mdd_cap_t(x) (x)
491 #define MDD_CAP_TO_MASK(x) (1 << (x))
493 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
495 /* capable() is copied from linux kernel! */
496 static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap)
498 if (mdd_cap_raised(uc->mu_cap, cap))
503 int mdd_def_acl_get(const struct lu_env *env, struct mdd_object *mdd_obj,
505 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
506 struct thandle *handle);
507 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
508 int is_dir, struct thandle *handle);
509 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
510 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
511 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
512 struct lu_attr *la, int mask, int role);
513 int mdd_permission(const struct lu_env *env,
514 struct md_object *pobj, struct md_object *cobj,
515 struct md_attr *ma, int mask);
516 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
517 struct lustre_capa *capa, int renewal);
519 static inline int lu_device_is_mdd(struct lu_device *d)
521 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
524 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
526 LASSERT(lu_device_is_mdd(d));
527 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
530 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
532 return (&d->mdd_md_dev.md_lu_dev);
535 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
537 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
538 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
541 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
543 return lu2mdd_dev(mdo->mo_lu.lo_dev);
546 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
548 return container_of0(mdo, struct mdd_object, mod_obj);
551 static inline const struct dt_device_operations *
552 mdd_child_ops(struct mdd_device *d)
554 return d->mdd_child->dd_ops;
557 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
559 return &obj->mod_obj.mo_lu;
562 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
564 return container_of0(lu_object_next(mdd2lu_obj(o)),
565 struct dt_object, do_lu);
568 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
570 return mdd->mdd_obd_dev;
573 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
575 return mdo2mdd(&obj->mod_obj);
578 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
580 return lu_object_fid(&obj->mod_obj.mo_lu);
583 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
585 return lu_object_attr(&obj->mod_obj.mo_lu);
588 static inline int mdd_lov_mdsize(const struct lu_env *env,
589 struct mdd_device *mdd)
591 struct obd_device *obd = mdd2obd_dev(mdd);
592 return obd->u.mds.mds_max_mdsize;
595 static inline int mdd_lov_cookiesize(const struct lu_env *env,
596 struct mdd_device *mdd)
598 struct obd_device *obd = mdd2obd_dev(mdd);
599 return obd->u.mds.mds_max_cookiesize;
602 static inline int mdd_is_immutable(struct mdd_object *obj)
604 return obj->mod_flags & IMMUTE_OBJ;
607 static inline int mdd_is_dead_obj(struct mdd_object *obj)
609 return obj && obj->mod_flags & DEAD_OBJ;
612 static inline int mdd_is_append(struct mdd_object *obj)
614 return obj->mod_flags & APPEND_OBJ;
617 static inline int mdd_object_exists(struct mdd_object *obj)
619 return lu_object_exists(mdd2lu_obj(obj));
622 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
624 return lu_object_fid(mdd2lu_obj(obj));
627 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
628 const struct mdd_object *obj)
630 struct md_capainfo *ci = md_capainfo(env);
631 const struct lu_fid *fid = mdo2fid(obj);
634 /* NB: in mdt_init0 */
637 for (i = 0; i < MD_CAPAINFO_MAX; i++)
638 if (lu_fid_eq(&ci->mc_fid[i], fid))
639 return ci->mc_capa[i];
643 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
644 const struct mdd_object *obj,
645 struct lustre_capa *capa)
647 struct md_capainfo *ci = md_capainfo(env);
648 const struct lu_fid *fid = mdo2fid(obj);
650 LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX);
651 /* NB: in mdt_init0 */
654 ci->mc_fid[offset] = *fid;
655 ci->mc_capa[offset] = capa;
658 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
660 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
663 #define MAX_ATIME_DIFF 60
669 static inline int mdd_permission_internal(const struct lu_env *env,
670 struct mdd_object *obj,
671 struct lu_attr *la, int mask)
673 return __mdd_permission_internal(env, obj, la, mask, -1);
676 static inline int mdd_permission_internal_locked(const struct lu_env *env,
677 struct mdd_object *obj,
678 struct lu_attr *la, int mask,
679 enum mdd_object_role role)
681 return __mdd_permission_internal(env, obj, la, mask, role);
684 static inline int mdo_data_get(const struct lu_env *env,
685 struct mdd_object *obj,
688 struct dt_object *next = mdd_object_child(obj);
689 next->do_ops->do_data_get(env, next, data);
693 /* mdd inline func for calling osd_dt_object ops */
694 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
695 struct lu_attr *la, struct lustre_capa *capa)
697 struct dt_object *next = mdd_object_child(obj);
698 return next->do_ops->do_attr_get(env, next, la, capa);
701 static inline int mdo_declare_attr_set(const struct lu_env *env,
702 struct mdd_object *obj,
703 const struct lu_attr *la,
704 struct thandle *handle)
706 struct dt_object *next = mdd_object_child(obj);
707 return dt_declare_attr_set(env, next, la, handle);
710 static inline int mdo_attr_set(const struct lu_env *env,
711 struct mdd_object *obj,
712 const struct lu_attr *la,
713 struct thandle *handle,
714 struct lustre_capa *capa)
716 struct dt_object *next = mdd_object_child(obj);
717 if (mdd_object_exists(obj) == 0) {
718 CERROR("%s: object "DFID" not found: rc = -2\n",
719 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
722 return next->do_ops->do_attr_set(env, next, la, handle, capa);
725 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
726 struct lu_buf *buf, const char *name,
727 struct lustre_capa *capa)
729 struct dt_object *next = mdd_object_child(obj);
730 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
733 static inline int mdo_declare_xattr_set(const struct lu_env *env,
734 struct mdd_object *obj,
735 const struct lu_buf *buf,
737 int fl, struct thandle *handle)
739 struct dt_object *next = mdd_object_child(obj);
740 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
743 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
744 const struct lu_buf *buf, const char *name,
745 int fl, struct thandle *handle,
746 struct lustre_capa *capa)
748 struct dt_object *next = mdd_object_child(obj);
749 if (mdd_object_exists(obj) == 0) {
750 CERROR("%s: object "DFID" not found: rc = -2\n",
751 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
754 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
758 static inline int mdo_declare_xattr_del(const struct lu_env *env,
759 struct mdd_object *obj,
761 struct thandle *handle)
763 struct dt_object *next = mdd_object_child(obj);
764 return dt_declare_xattr_del(env, next, name, handle);
767 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
768 const char *name, struct thandle *handle,
769 struct lustre_capa *capa)
771 struct dt_object *next = mdd_object_child(obj);
772 if (mdd_object_exists(obj) == 0) {
773 CERROR("%s: object "DFID" not found: rc = -2\n",
774 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
777 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
781 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
782 struct lu_buf *buf, struct lustre_capa *capa)
784 struct dt_object *next = mdd_object_child(obj);
785 if (mdd_object_exists(obj) == 0) {
786 CERROR("%s: object "DFID" not found: rc = -2\n",
787 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
790 return next->do_ops->do_xattr_list(env, next, buf, capa);
794 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
795 const struct dt_index_features *feat)
797 struct dt_object *next = mdd_object_child(obj);
798 return next->do_ops->do_index_try(env, next, feat);
802 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
803 const struct lu_fid *fid, const char *name,
804 struct thandle *handle)
806 struct dt_object *next = mdd_object_child(obj);
810 * if the object doesn't exist yet, then it's supposed to be created
811 * and declaration of the creation should be enough to insert ./..
813 if (mdd_object_exists(obj)) {
815 if (dt_try_as_dir(env, next))
816 rc = dt_declare_insert(env, next,
817 (struct dt_rec *)fid,
818 (const struct dt_key *)name,
826 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
827 const char *name, struct thandle *handle)
829 struct dt_object *next = mdd_object_child(obj);
831 if (!dt_try_as_dir(env, next))
834 return dt_declare_delete(env, next, (const struct dt_key *)name,
838 static inline int mdo_declare_ref_add(const struct lu_env *env,
839 struct mdd_object *obj,
840 struct thandle *handle)
842 struct dt_object *next = mdd_object_child(obj);
843 return dt_declare_ref_add(env, next, handle);
846 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
847 struct thandle *handle)
849 struct dt_object *next = mdd_object_child(obj);
850 if (mdd_object_exists(obj) == 0) {
851 CERROR("%s: object "DFID" not found: rc = -2\n",
852 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
855 return next->do_ops->do_ref_add(env, next, handle);
858 static inline int mdo_declare_ref_del(const struct lu_env *env,
859 struct mdd_object *obj,
860 struct thandle *handle)
862 struct dt_object *next = mdd_object_child(obj);
863 return dt_declare_ref_del(env, next, handle);
866 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
867 struct thandle *handle)
869 struct dt_object *next = mdd_object_child(obj);
870 if (mdd_object_exists(obj) == 0) {
871 CERROR("%s: object "DFID" not found: rc = -2\n",
872 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
875 return next->do_ops->do_ref_del(env, next, handle);
879 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
880 struct lu_attr *attr,
881 struct dt_allocation_hint *hint,
882 struct dt_object_format *dof,
883 struct thandle *handle)
885 struct dt_object *next = mdd_object_child(o);
886 return next->do_ops->do_declare_create(env, next, attr, hint,
891 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
892 struct lu_attr *attr,
893 struct dt_allocation_hint *hint,
894 struct dt_object_format *dof,
895 struct thandle *handle)
897 struct dt_object *next = mdd_object_child(o);
898 return next->do_ops->do_create(env, next, attr, hint, dof, handle);
902 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
903 struct thandle *handle)
905 struct dt_object *next = mdd_object_child(o);
906 return dt_declare_destroy(env, next, handle);
910 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
911 struct thandle *handle)
913 struct dt_object *next = mdd_object_child(o);
914 return dt_destroy(env, next, handle);
917 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
918 struct mdd_object *obj,
919 struct lustre_capa *old,
922 struct dt_object *next = mdd_object_child(obj);
923 if (mdd_object_exists(obj) == 0) {
924 CERROR("%s: object "DFID" not found: rc = -2\n",
925 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
926 return ERR_PTR(-ENOENT);
928 return next->do_ops->do_capa_get(env, next, old, opc);