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, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/mdd/mdd_internal.h
38 * Author: Wang Di <wangdi@clusterfs.com>
41 #ifndef _MDD_INTERNAL_H
42 #define _MDD_INTERNAL_H
44 #include <lustre_acl.h>
45 #include <lustre_eacl.h>
46 #include <md_object.h>
47 #include <dt_object.h>
48 #include <lustre_fsfilt.h>
49 #include <lustre/lustre_lfsck_user.h>
50 #include <lustre_fid.h>
51 #include <lustre_capa.h>
52 #include <lprocfs_status.h>
53 #include <lustre_log.h>
55 /* PDO lock is unnecessary for current MDT stack because operations
56 * are already protected by ldlm lock */
57 #define MDD_DISABLE_PDO_LOCK 1
60 /** changelog is recording */
61 #define CLM_ON 0x00001
62 /** internal error prevented changelogs from starting */
63 #define CLM_ERR 0x00002
65 /** changelogs turned on */
66 #define CLM_START 0x10000
67 /** changelogs turned off */
68 #define CLM_FINI 0x20000
69 /** some changelog records purged */
70 #define CLM_PURGE 0x40000
72 struct mdd_changelog {
73 spinlock_t mc_lock; /* for index */
78 spinlock_t mc_user_lock;
82 static inline __u64 cl_time(void) {
85 cfs_fs_time_current(&time);
86 return (((__u64)time.tv_sec) << 30) + time.tv_nsec;
89 /** Objects in .lustre dir */
90 struct mdd_dot_lustre_objs {
91 struct mdd_object *mdd_obf;
94 extern const char lfsck_bookmark_name[];
97 struct mutex ml_mutex;
99 struct ptlrpc_thread ml_thread;
100 struct dt_object *ml_bookmark_obj;
101 struct dt_object *ml_it_obj;
102 __u32 ml_new_scanned;
103 /* Arguments for low layer iteration. */
106 /* Raw value for LFSCK speed limit. */
107 __u32 ml_speed_limit;
109 /* Schedule for every N objects. */
112 /* Sleep N jiffies for each schedule. */
115 unsigned int ml_paused:1; /* The lfsck is paused. */
119 struct md_device mdd_md_dev;
120 struct obd_export *mdd_child_exp;
121 struct dt_device *mdd_child;
122 struct dt_device *mdd_bottom;
123 struct lu_fid mdd_root_fid;
124 struct lu_fid mdd_local_root_fid;
125 struct dt_device_param mdd_dt_conf;
126 struct dt_object *mdd_orphans; /* PENDING directory */
127 struct dt_object *mdd_capa;
128 cfs_proc_dir_entry_t *mdd_proc_entry;
129 struct mdd_changelog mdd_cl;
130 unsigned long mdd_atime_diff;
131 struct mdd_object *mdd_dot_lustre;
132 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
133 struct md_lfsck mdd_lfsck;
134 unsigned int mdd_sync_permission;
139 /* The dir object has been unlinked */
147 struct md_object mod_obj;
152 unsigned long mod_flags;
153 #ifndef MDD_DISABLE_PDO_LOCK
154 struct dynlock mod_pdlock;
156 #ifdef CONFIG_LOCKDEP
157 /* "dep_map" name is assumed by lockdep.h macros. */
158 struct lockdep_map dep_map;
162 struct mdd_thread_info {
163 struct lu_fid mti_fid;
164 struct lu_fid mti_fid2; /* used for be & cpu converting */
165 struct lu_attr mti_la;
166 struct lu_attr mti_la_for_fix;
167 struct lu_attr mti_pattr;
168 struct lu_attr mti_cattr;
169 struct md_attr mti_ma;
170 struct obd_info mti_oi;
171 /* mti_ent and mti_key must be conjoint,
172 * then mti_ent::lde_name will be mti_key. */
173 struct lu_dirent mti_ent;
174 char mti_key[NAME_MAX + 16];
175 struct obd_trans_info mti_oti;
176 struct lu_buf mti_buf;
177 struct lu_buf mti_big_buf; /* biggish persistent buf */
178 struct lu_name mti_name;
179 struct lu_name mti_name2;
181 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
182 struct dt_allocation_hint mti_hint;
183 struct lov_mds_md *mti_max_lmm;
184 int mti_max_lmm_size;
185 struct llog_cookie *mti_max_cookie;
186 int mti_max_cookie_size;
187 struct dt_object_format mti_dof;
188 struct obd_quotactl mti_oqctl;
192 * The data that link search is done on.
194 struct mdd_link_data {
196 * Buffer to keep link EA body.
198 struct lu_buf *ml_buf;
200 * The matched header, entry and its lenght in the EA
202 struct link_ea_header *ml_leh;
203 struct link_ea_entry *ml_lee;
207 extern const char orph_index_name[];
209 extern const struct dt_index_features orph_index_features;
211 struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
212 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
213 struct mdd_device *mdd);
215 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
216 struct mdd_device *mdd);
218 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
219 struct lustre_cfg *cfg);
220 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
221 struct lustre_cfg *lcfg);
222 int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
223 const struct lu_buf *buf, const char *name,
224 int fl, struct thandle *handle);
225 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
226 const struct lu_buf *buf, const char *name, int fl,
227 struct thandle *txn);
228 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
229 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
230 struct mdd_object *child, struct lov_mds_md *lmm,
231 int lmm_size, struct thandle *handle, int set_stripe);
232 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
233 struct mdd_object *parent, struct mdd_object *child,
234 struct lov_mds_md **lmm, int *lmm_size,
235 const struct md_op_spec *spec, struct md_attr *ma);
236 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
237 int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
239 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
240 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
241 struct lov_mds_md *lmm, int lmm_size,
242 const struct md_op_spec *spec);
243 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
244 struct lov_mds_md *lmm, struct ldlm_extent *extent,
245 struct lustre_handle *lockh);
246 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
247 struct lov_mds_md *lmm, struct lustre_handle *lockh);
248 int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
249 const struct md_op_spec *spec, struct md_attr *ma);
250 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
251 void *md, int *md_size, const char *name);
252 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
253 void *md, int *md_size, const char *name);
254 int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
255 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
256 struct lu_attr *la, struct lustre_capa *capa);
257 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
259 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
260 const struct md_attr *ma);
261 int mdd_attr_set_internal(const struct lu_env *env,
262 struct mdd_object *obj,
263 struct lu_attr *attr,
264 struct thandle *handle,
266 int mdd_attr_check_set_internal(const struct lu_env *env,
267 struct mdd_object *obj,
268 struct lu_attr *attr,
269 struct thandle *handle,
271 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
272 struct md_attr *ma, struct thandle *handle);
273 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
274 struct md_attr *ma, struct thandle *handle);
275 int mdd_iattr_get(const struct lu_env *env, 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 lu_attr *attr,
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_parent_fid(const struct lu_env *env, struct mdd_object *obj,
311 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
312 const struct lu_fid *fid, struct lu_fid *sfid);
313 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
314 struct mdd_object *cobj, int check_perm, int check_nlink);
315 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
316 const struct lu_attr *attr);
317 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
318 struct mdd_object *cobj, struct lu_attr *cattr,
319 struct lu_attr *src_attr, int check_perm, int check_empty);
320 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
321 struct mdd_object *cobj, struct lu_attr *cattr);
322 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
323 struct md_attr *ma, struct thandle *th);
324 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
325 const struct lu_name *lname, struct mdd_object *child,
326 struct lu_attr *attr, struct thandle *handle,
327 const struct md_op_spec *spec);
328 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
329 const struct lu_name *lname, struct mdd_object *src_obj);
330 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
331 int mdd_lookup(const struct lu_env *env,
332 struct md_object *pobj, const struct lu_name *lname,
333 struct lu_fid* fid, struct md_op_spec *spec);
334 int mdd_links_read(const struct lu_env *env, struct mdd_object *mdd_obj,
335 struct mdd_link_data *ldata);
336 int mdd_links_find(const struct lu_env *env, struct mdd_object *mdd_obj,
337 struct mdd_link_data *ldata, const struct lu_name *lname,
338 const struct lu_fid *pfid);
339 int mdd_links_new(const struct lu_env *env, struct mdd_link_data *ldata);
340 int mdd_links_add_buf(const struct lu_env *env, struct mdd_link_data *ldata,
341 const struct lu_name *lname, const struct lu_fid *pfid);
342 void mdd_links_del_buf(const struct lu_env *env, struct mdd_link_data *ldata,
343 const struct lu_name *lname);
344 int mdd_declare_links_add(const struct lu_env *env,
345 struct mdd_object *mdd_obj,
346 struct thandle *handle);
347 int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
348 struct mdd_link_data *ldata, struct thandle *handle);
349 struct lu_buf *mdd_links_get(const struct lu_env *env,
350 struct mdd_object *mdd_obj);
351 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
352 struct lu_name *lname, struct lu_fid *pfid);
355 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
356 struct md_attr *ma, struct thandle *handle);
357 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
358 struct mdd_object *mdd_cobj, struct md_attr *ma);
360 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
361 const struct md_attr *ma,
362 struct lov_mds_md *lmm, int lmm_size,
363 struct llog_cookie *logcookies, int cookies_size);
365 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
366 struct lov_mds_md *lmm);
368 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
369 struct lov_mds_md *lmm, int lmm_size,
370 struct llog_cookie *logcookies);
372 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
373 struct mdd_object *obj, struct lu_attr *la,
374 struct md_attr *ma, int log_unlink);
376 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
378 const struct lu_name *mdd_name_get_const(const struct lu_env *env,
379 const void *area, ssize_t len);
380 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
381 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
382 const void *area, ssize_t len);
384 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
385 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
387 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
389 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
390 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
391 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
392 cfs_umode_t mode, struct thandle *);
393 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
397 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
398 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
399 int mdd_procfs_fini(struct mdd_device *mdd);
402 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
403 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
404 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
405 void mdd_buf_put(struct lu_buf *buf);
407 extern const struct md_dir_operations mdd_dir_ops;
408 extern const struct md_object_operations mdd_obj_ops;
410 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
411 extern struct lu_context_key mdd_thread_key;
412 extern const struct lu_device_operations mdd_lu_ops;
414 struct mdd_object *mdd_object_find(const struct lu_env *env,
415 struct mdd_device *d,
416 const struct lu_fid *f);
417 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
418 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
419 const struct lu_rdpg *rdpg);
420 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
421 int reclen, struct thandle *handle);
422 int mdd_declare_changelog_store(const struct lu_env *env,
423 struct mdd_device *mdd,
424 const struct lu_name *fname,
425 struct thandle *handle);
426 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
427 struct llog_changelog_rec *rec, struct thandle *th);
428 int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
429 enum changelog_rec_type type, unsigned flags,
430 struct mdd_object *target, struct mdd_object *parent,
431 const struct lu_name *tname, struct thandle *handle);
432 int mdd_declare_object_create_internal(const struct lu_env *env,
433 struct mdd_object *p,
434 struct mdd_object *c,
435 struct lu_attr *attr,
436 struct thandle *handle,
437 const struct md_op_spec *spec);
440 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
441 struct mdd_object *obj, struct lu_attr *la);
443 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
444 struct mdd_object *child, struct lu_attr *attr);
446 static inline void mdd_object_get(struct mdd_object *o)
448 lu_object_get(&o->mod_obj.mo_lu);
451 static inline void mdd_object_put(const struct lu_env *env,
452 struct mdd_object *o)
454 lu_object_put(env, &o->mod_obj.mo_lu);
457 struct thandle *mdd_trans_create(const struct lu_env *env,
458 struct mdd_device *mdd);
459 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
461 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
462 int rc, struct thandle *handle);
463 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
465 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
469 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
470 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
471 struct lfsck_start *start);
472 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
473 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
474 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
477 struct lu_object *mdd_object_alloc(const struct lu_env *env,
478 const struct lu_object_header *hdr,
479 struct lu_device *d);
481 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
482 struct thandle *handle);
483 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
484 int is_dir, struct thandle *handle);
485 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
486 const struct lu_buf *buf, int fl);
487 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
488 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
489 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
490 struct lu_attr *la, int mask, int role);
491 int mdd_permission(const struct lu_env *env,
492 struct md_object *pobj, struct md_object *cobj,
493 struct md_attr *ma, int mask);
494 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
495 struct lustre_capa *capa, int renewal);
497 static inline int lu_device_is_mdd(struct lu_device *d)
499 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
502 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
504 LASSERT(lu_device_is_mdd(d));
505 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
508 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
510 return (&d->mdd_md_dev.md_lu_dev);
513 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
515 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
516 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
519 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
521 return lu2mdd_dev(mdo->mo_lu.lo_dev);
524 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
526 return container_of0(mdo, struct mdd_object, mod_obj);
529 static inline const struct dt_device_operations *
530 mdd_child_ops(struct mdd_device *d)
532 return d->mdd_child->dd_ops;
535 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
537 return &obj->mod_obj.mo_lu;
540 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
542 return container_of0(lu_object_next(mdd2lu_obj(o)),
543 struct dt_object, do_lu);
546 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
548 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
551 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
553 return mdo2mdd(&obj->mod_obj);
556 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
558 return lu_object_fid(&obj->mod_obj.mo_lu);
561 static inline int mdd_object_obf(const struct mdd_object *obj)
563 return lu_fid_eq(mdo2fid(obj), &LU_OBF_FID);
566 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
568 return lu_object_attr(&obj->mod_obj.mo_lu);
571 static inline int mdd_is_immutable(struct mdd_object *obj)
573 return obj->mod_flags & IMMUTE_OBJ;
576 static inline int mdd_is_dead_obj(struct mdd_object *obj)
578 return obj && obj->mod_flags & DEAD_OBJ;
581 static inline int mdd_is_append(struct mdd_object *obj)
583 return obj->mod_flags & APPEND_OBJ;
586 static inline int mdd_object_exists(struct mdd_object *obj)
588 return lu_object_exists(mdd2lu_obj(obj));
591 static inline int mdd_object_remote(struct mdd_object *obj)
593 return lu_object_remote(mdd2lu_obj(obj));
596 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
598 return lu_object_fid(mdd2lu_obj(obj));
601 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
602 const struct mdd_object *obj)
604 struct md_capainfo *ci = md_capainfo(env);
605 const struct lu_fid *fid = mdo2fid(obj);
608 /* NB: in mdt_init0 */
611 for (i = 0; i < MD_CAPAINFO_MAX; i++)
612 if (lu_fid_eq(&ci->mc_fid[i], fid))
613 return ci->mc_capa[i];
617 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
618 const struct mdd_object *obj,
619 struct lustre_capa *capa)
621 struct md_capainfo *ci = md_capainfo(env);
622 const struct lu_fid *fid = mdo2fid(obj);
624 LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX);
625 /* NB: in mdt_init0 */
628 ci->mc_fid[offset] = *fid;
629 ci->mc_capa[offset] = capa;
632 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
634 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
637 #define MAX_ATIME_DIFF 60
643 static inline int mdd_permission_internal(const struct lu_env *env,
644 struct mdd_object *obj,
645 struct lu_attr *la, int mask)
647 return __mdd_permission_internal(env, obj, la, mask, -1);
650 static inline int mdd_permission_internal_locked(const struct lu_env *env,
651 struct mdd_object *obj,
652 struct lu_attr *la, int mask,
653 enum mdd_object_role role)
655 return __mdd_permission_internal(env, obj, la, mask, role);
658 static inline int mdo_data_get(const struct lu_env *env,
659 struct mdd_object *obj,
662 struct dt_object *next = mdd_object_child(obj);
663 next->do_ops->do_data_get(env, next, data);
667 /* mdd inline func for calling osd_dt_object ops */
668 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
669 struct lu_attr *la, struct lustre_capa *capa)
671 struct dt_object *next = mdd_object_child(obj);
672 return next->do_ops->do_attr_get(env, next, la, capa);
675 static inline int mdo_declare_attr_set(const struct lu_env *env,
676 struct mdd_object *obj,
677 const struct lu_attr *la,
678 struct thandle *handle)
680 struct dt_object *next = mdd_object_child(obj);
681 return dt_declare_attr_set(env, next, la, handle);
684 static inline int mdo_attr_set(const struct lu_env *env,
685 struct mdd_object *obj,
686 const struct lu_attr *la,
687 struct thandle *handle,
688 struct lustre_capa *capa)
690 struct dt_object *next = mdd_object_child(obj);
691 if (mdd_object_exists(obj) == 0) {
692 CERROR("%s: object "DFID" not found: rc = -2\n",
693 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
696 return next->do_ops->do_attr_set(env, next, la, handle, capa);
699 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
700 struct lu_buf *buf, const char *name,
701 struct lustre_capa *capa)
703 struct dt_object *next = mdd_object_child(obj);
704 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
707 static inline int mdo_declare_xattr_set(const struct lu_env *env,
708 struct mdd_object *obj,
709 const struct lu_buf *buf,
711 int fl, struct thandle *handle)
713 struct dt_object *next = mdd_object_child(obj);
714 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
717 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
718 const struct lu_buf *buf, const char *name,
719 int fl, struct thandle *handle,
720 struct lustre_capa *capa)
722 struct dt_object *next = mdd_object_child(obj);
723 if (mdd_object_exists(obj) == 0) {
724 CERROR("%s: object "DFID" not found: rc = -2\n",
725 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
728 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
732 static inline int mdo_declare_xattr_del(const struct lu_env *env,
733 struct mdd_object *obj,
735 struct thandle *handle)
737 struct dt_object *next = mdd_object_child(obj);
738 return dt_declare_xattr_del(env, next, name, handle);
741 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
742 const char *name, struct thandle *handle,
743 struct lustre_capa *capa)
745 struct dt_object *next = mdd_object_child(obj);
746 if (mdd_object_exists(obj) == 0) {
747 CERROR("%s: object "DFID" not found: rc = -2\n",
748 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
751 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
755 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
756 struct lu_buf *buf, struct lustre_capa *capa)
758 struct dt_object *next = mdd_object_child(obj);
759 if (mdd_object_exists(obj) == 0) {
760 CERROR("%s: object "DFID" not found: rc = -2\n",
761 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
764 return next->do_ops->do_xattr_list(env, next, buf, capa);
768 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
769 const struct dt_index_features *feat)
771 struct dt_object *next = mdd_object_child(obj);
772 return next->do_ops->do_index_try(env, next, feat);
776 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
777 const struct lu_fid *fid, const char *name,
778 struct thandle *handle)
780 struct dt_object *next = mdd_object_child(obj);
784 * if the object doesn't exist yet, then it's supposed to be created
785 * and declaration of the creation should be enough to insert ./..
787 /* FIXME: remote object should not be awared by MDD layer, but local
788 * creation does not declare insert ./.. (comments above), which
789 * is required by remote directory creation.
790 * This remote check should be removed when mdd_object_exists check is
793 if (mdd_object_exists(obj) || mdd_object_remote(obj)) {
795 if (dt_try_as_dir(env, next))
796 rc = dt_declare_insert(env, next,
797 (struct dt_rec *)fid,
798 (const struct dt_key *)name,
806 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
807 const char *name, struct thandle *handle)
809 struct dt_object *next = mdd_object_child(obj);
811 if (!dt_try_as_dir(env, next))
814 return dt_declare_delete(env, next, (const struct dt_key *)name,
818 static inline int mdo_declare_ref_add(const struct lu_env *env,
819 struct mdd_object *obj,
820 struct thandle *handle)
822 struct dt_object *next = mdd_object_child(obj);
823 return dt_declare_ref_add(env, next, handle);
826 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
827 struct thandle *handle)
829 struct dt_object *next = mdd_object_child(obj);
830 if (mdd_object_exists(obj) == 0) {
831 CERROR("%s: object "DFID" not found: rc = -2\n",
832 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
835 return next->do_ops->do_ref_add(env, next, handle);
838 static inline int mdo_declare_ref_del(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_del(env, next, handle);
846 static inline int mdo_ref_del(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_del(env, next, handle);
859 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
860 struct lu_attr *attr,
861 struct dt_allocation_hint *hint,
862 struct dt_object_format *dof,
863 struct thandle *handle)
865 struct dt_object *next = mdd_object_child(o);
866 return next->do_ops->do_declare_create(env, next, attr, hint,
871 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
872 struct lu_attr *attr,
873 struct dt_allocation_hint *hint,
874 struct dt_object_format *dof,
875 struct thandle *handle)
877 struct dt_object *next = mdd_object_child(o);
878 struct lu_ucred *uc = lu_ucred(env);
883 * LU-974 enforce client umask in creation.
884 * TODO: CMD needs to handle this for remote object.
886 if (likely(uc != NULL))
887 saved = xchg(¤t->fs->umask, uc->uc_umask & S_IRWXUGO);
889 rc = next->do_ops->do_create(env, next, attr, hint, dof, handle);
891 /* restore previous umask value */
892 if (likely(uc != NULL))
893 current->fs->umask = saved;
899 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
900 struct thandle *handle)
902 struct dt_object *next = mdd_object_child(o);
903 return dt_declare_destroy(env, next, handle);
907 int mdo_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_destroy(env, next, handle);
914 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
915 struct mdd_object *obj,
916 struct lustre_capa *old,
919 struct dt_object *next = mdd_object_child(obj);
920 if (mdd_object_exists(obj) == 0) {
921 CERROR("%s: object "DFID" not found: rc = -2\n",
922 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
923 return ERR_PTR(-ENOENT);
925 return next->do_ops->do_capa_get(env, next, old, opc);