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 dt_device_param mdd_dt_conf;
125 struct dt_object *mdd_orphans; /* PENDING directory */
126 struct dt_object *mdd_capa;
127 cfs_proc_dir_entry_t *mdd_proc_entry;
128 struct mdd_changelog mdd_cl;
129 unsigned long mdd_atime_diff;
130 struct mdd_object *mdd_dot_lustre;
131 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
132 struct md_lfsck mdd_lfsck;
133 unsigned int mdd_sync_permission;
138 /* The dir object has been unlinked */
145 enum mdd_object_role {
154 struct md_object mod_obj;
159 unsigned long mod_flags;
160 #ifndef MDD_DISABLE_PDO_LOCK
161 struct dynlock mod_pdlock;
163 #ifdef CONFIG_LOCKDEP
164 /* "dep_map" name is assumed by lockdep.h macros. */
165 struct lockdep_map dep_map;
169 struct mdd_thread_info {
170 struct lu_fid mti_fid;
171 struct lu_fid mti_fid2; /* used for be & cpu converting */
172 struct lu_attr mti_la;
173 struct lu_attr mti_la_for_fix;
174 struct lu_attr mti_pattr;
175 struct lu_attr mti_cattr;
176 struct md_attr mti_ma;
177 struct obd_info mti_oi;
178 /* mti_orph_ent and mti_orph_key must be conjoint,
179 * then mti_orph_ent::lde_name will be mti_orph_key. */
180 struct lu_dirent mti_orph_ent;
181 char mti_orph_key[NAME_MAX + 1];
182 struct obd_trans_info mti_oti;
183 struct lu_buf mti_buf;
184 struct lu_buf mti_big_buf; /* biggish persistent buf */
185 struct lu_name mti_name;
186 struct lu_name mti_name2;
188 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
189 struct dt_allocation_hint mti_hint;
190 struct lov_mds_md *mti_max_lmm;
191 int mti_max_lmm_size;
192 struct llog_cookie *mti_max_cookie;
193 int mti_max_cookie_size;
194 struct dt_object_format mti_dof;
195 struct obd_quotactl mti_oqctl;
198 extern const char orph_index_name[];
200 extern const struct dt_index_features orph_index_features;
202 struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
203 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
204 struct mdd_device *mdd);
206 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
207 struct mdd_device *mdd);
209 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
210 struct lustre_cfg *cfg);
211 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
212 struct lustre_cfg *lcfg);
213 int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
214 const struct lu_buf *buf, const char *name,
215 int fl, struct thandle *handle);
216 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
217 const struct lu_buf *buf, const char *name, int fl,
218 struct thandle *txn);
219 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
220 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
221 struct mdd_object *child, struct lov_mds_md *lmm,
222 int lmm_size, struct thandle *handle, int set_stripe);
223 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
224 struct mdd_object *parent, struct mdd_object *child,
225 struct lov_mds_md **lmm, int *lmm_size,
226 const struct md_op_spec *spec, struct md_attr *ma);
227 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
228 int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
230 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
231 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
232 struct lov_mds_md *lmm, int lmm_size,
233 const struct md_op_spec *spec);
234 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
235 struct lov_mds_md *lmm, struct ldlm_extent *extent,
236 struct lustre_handle *lockh);
237 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
238 struct lov_mds_md *lmm, struct lustre_handle *lockh);
239 int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
240 const struct md_op_spec *spec, struct md_attr *ma);
241 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
242 void *md, int *md_size, const char *name);
243 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
244 void *md, int *md_size, const char *name);
245 int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
246 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
247 struct lu_attr *la, struct lustre_capa *capa);
248 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
250 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
251 const struct md_attr *ma);
252 int mdd_attr_set_internal(const struct lu_env *env,
253 struct mdd_object *obj,
254 struct lu_attr *attr,
255 struct thandle *handle,
257 int mdd_attr_check_set_internal(const struct lu_env *env,
258 struct mdd_object *obj,
259 struct lu_attr *attr,
260 struct thandle *handle,
262 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
263 struct md_attr *ma, struct thandle *handle);
264 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
265 struct md_attr *ma, struct thandle *handle);
266 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
268 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
269 struct mdd_object *c, struct lu_attr *attr,
270 struct thandle *handle,
271 const struct md_op_spec *spec);
272 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
273 struct mdd_object *obj,
274 struct lu_attr *attr,
275 struct thandle *handle,
277 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
281 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
282 enum mdd_object_role role);
283 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
284 enum mdd_object_role role);
285 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
286 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
287 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
289 void mdd_pdlock_init(struct mdd_object *obj);
290 unsigned long mdd_name2hash(const char *name);
291 void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
292 const char *name, enum mdd_object_role role);
293 void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
294 const char *name, enum mdd_object_role role);
295 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
297 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
300 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
301 const struct lu_fid *fid, struct lu_fid *sfid);
302 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
303 struct mdd_object *cobj, int check_perm, int check_nlink);
304 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
305 const struct lu_attr *attr);
306 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
307 struct mdd_object *cobj, struct lu_attr *cattr,
308 struct lu_attr *src_attr, int check_perm, int check_empty);
309 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
310 struct mdd_object *cobj, struct lu_attr *cattr);
311 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
312 struct md_attr *ma, struct thandle *th);
313 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
314 const struct lu_name *lname, struct mdd_object *child,
315 struct lu_attr *attr, struct thandle *handle,
316 const struct md_op_spec *spec);
317 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
318 const struct lu_name *lname, struct mdd_object *src_obj);
319 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
320 int mdd_lookup(const struct lu_env *env,
321 struct md_object *pobj, const struct lu_name *lname,
322 struct lu_fid* fid, struct md_op_spec *spec);
323 struct lu_buf *mdd_links_get(const struct lu_env *env,
324 struct mdd_object *mdd_obj);
325 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
326 struct lu_name *lname, struct lu_fid *pfid);
329 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
330 struct md_attr *ma, struct thandle *handle);
331 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
332 struct mdd_object *mdd_cobj, struct md_attr *ma);
334 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
335 const struct md_attr *ma,
336 struct lov_mds_md *lmm, int lmm_size,
337 struct llog_cookie *logcookies, int cookies_size);
339 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
340 struct lov_mds_md *lmm);
342 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
343 struct lov_mds_md *lmm, int lmm_size,
344 struct llog_cookie *logcookies);
346 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
347 struct mdd_object *obj, struct lu_attr *la,
348 struct md_attr *ma, int log_unlink);
350 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
352 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
353 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
354 const void *area, ssize_t len);
356 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
357 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
359 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
361 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
362 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
363 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
364 cfs_umode_t mode, struct thandle *);
365 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
369 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
370 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
371 int mdd_procfs_fini(struct mdd_device *mdd);
374 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
375 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
376 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
377 void mdd_buf_put(struct lu_buf *buf);
379 extern const struct md_dir_operations mdd_dir_ops;
380 extern const struct md_object_operations mdd_obj_ops;
382 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
383 extern struct lu_context_key mdd_thread_key;
384 extern const struct lu_device_operations mdd_lu_ops;
386 struct mdd_object *mdd_object_find(const struct lu_env *env,
387 struct mdd_device *d,
388 const struct lu_fid *f);
389 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
390 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
391 const struct lu_rdpg *rdpg);
392 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
393 int reclen, struct thandle *handle);
394 int mdd_declare_changelog_store(const struct lu_env *env,
395 struct mdd_device *mdd,
396 const struct lu_name *fname,
397 struct thandle *handle);
398 int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
399 struct llog_changelog_rec *rec, struct thandle *th);
400 int mdd_declare_object_create_internal(const struct lu_env *env,
401 struct mdd_object *p,
402 struct mdd_object *c,
403 struct lu_attr *attr,
404 struct thandle *handle,
405 const struct md_op_spec *spec);
408 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
409 struct mdd_object *obj, struct lu_attr *la);
411 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
412 struct mdd_object *child, struct lu_attr *attr);
414 static inline void mdd_object_put(const struct lu_env *env,
415 struct mdd_object *o)
417 lu_object_put(env, &o->mod_obj.mo_lu);
420 struct thandle *mdd_trans_create(const struct lu_env *env,
421 struct mdd_device *mdd);
422 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
424 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
425 int rc, struct thandle *handle);
426 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
428 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
432 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
433 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
434 struct lfsck_start *start);
435 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
436 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
437 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
440 struct lu_object *mdd_object_alloc(const struct lu_env *env,
441 const struct lu_object_header *hdr,
442 struct lu_device *d);
444 /* mdd_permission.c */
445 #define mdd_cap_t(x) (x)
447 #define MDD_CAP_TO_MASK(x) (1 << (x))
449 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
451 /* capable() is copied from linux kernel! */
452 static inline int mdd_capable(struct lu_ucred *uc, cfs_cap_t cap)
454 if (mdd_cap_raised(uc->uc_cap, cap))
459 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
460 struct thandle *handle);
461 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
462 int is_dir, struct thandle *handle);
463 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
464 const struct lu_buf *buf, int fl);
465 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
466 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
467 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
468 struct lu_attr *la, int mask, int role);
469 int mdd_permission(const struct lu_env *env,
470 struct md_object *pobj, struct md_object *cobj,
471 struct md_attr *ma, int mask);
472 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
473 struct lustre_capa *capa, int renewal);
475 static inline int lu_device_is_mdd(struct lu_device *d)
477 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
480 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
482 LASSERT(lu_device_is_mdd(d));
483 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
486 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
488 return (&d->mdd_md_dev.md_lu_dev);
491 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
493 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
494 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
497 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
499 return lu2mdd_dev(mdo->mo_lu.lo_dev);
502 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
504 return container_of0(mdo, struct mdd_object, mod_obj);
507 static inline const struct dt_device_operations *
508 mdd_child_ops(struct mdd_device *d)
510 return d->mdd_child->dd_ops;
513 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
515 return &obj->mod_obj.mo_lu;
518 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
520 return container_of0(lu_object_next(mdd2lu_obj(o)),
521 struct dt_object, do_lu);
524 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
526 return (mdd->mdd_md_dev.md_lu_dev.ld_obd);
529 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
531 return mdo2mdd(&obj->mod_obj);
534 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
536 return lu_object_fid(&obj->mod_obj.mo_lu);
539 static inline int mdd_object_obf(const struct mdd_object *obj)
541 return lu_fid_eq(mdo2fid(obj), &LU_OBF_FID);
544 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
546 return lu_object_attr(&obj->mod_obj.mo_lu);
549 static inline int mdd_is_immutable(struct mdd_object *obj)
551 return obj->mod_flags & IMMUTE_OBJ;
554 static inline int mdd_is_dead_obj(struct mdd_object *obj)
556 return obj && obj->mod_flags & DEAD_OBJ;
559 static inline int mdd_is_append(struct mdd_object *obj)
561 return obj->mod_flags & APPEND_OBJ;
564 static inline int mdd_object_exists(struct mdd_object *obj)
566 return lu_object_exists(mdd2lu_obj(obj));
569 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
571 return lu_object_fid(mdd2lu_obj(obj));
574 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
575 const struct mdd_object *obj)
577 struct md_capainfo *ci = md_capainfo(env);
578 const struct lu_fid *fid = mdo2fid(obj);
581 /* NB: in mdt_init0 */
584 for (i = 0; i < MD_CAPAINFO_MAX; i++)
585 if (lu_fid_eq(&ci->mc_fid[i], fid))
586 return ci->mc_capa[i];
590 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
591 const struct mdd_object *obj,
592 struct lustre_capa *capa)
594 struct md_capainfo *ci = md_capainfo(env);
595 const struct lu_fid *fid = mdo2fid(obj);
597 LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX);
598 /* NB: in mdt_init0 */
601 ci->mc_fid[offset] = *fid;
602 ci->mc_capa[offset] = capa;
605 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
607 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
610 #define MAX_ATIME_DIFF 60
616 static inline int mdd_permission_internal(const struct lu_env *env,
617 struct mdd_object *obj,
618 struct lu_attr *la, int mask)
620 return __mdd_permission_internal(env, obj, la, mask, -1);
623 static inline int mdd_permission_internal_locked(const struct lu_env *env,
624 struct mdd_object *obj,
625 struct lu_attr *la, int mask,
626 enum mdd_object_role role)
628 return __mdd_permission_internal(env, obj, la, mask, role);
631 static inline int mdo_data_get(const struct lu_env *env,
632 struct mdd_object *obj,
635 struct dt_object *next = mdd_object_child(obj);
636 next->do_ops->do_data_get(env, next, data);
640 /* mdd inline func for calling osd_dt_object ops */
641 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
642 struct lu_attr *la, struct lustre_capa *capa)
644 struct dt_object *next = mdd_object_child(obj);
645 return next->do_ops->do_attr_get(env, next, la, capa);
648 static inline int mdo_declare_attr_set(const struct lu_env *env,
649 struct mdd_object *obj,
650 const struct lu_attr *la,
651 struct thandle *handle)
653 struct dt_object *next = mdd_object_child(obj);
654 return dt_declare_attr_set(env, next, la, handle);
657 static inline int mdo_attr_set(const struct lu_env *env,
658 struct mdd_object *obj,
659 const struct lu_attr *la,
660 struct thandle *handle,
661 struct lustre_capa *capa)
663 struct dt_object *next = mdd_object_child(obj);
664 if (mdd_object_exists(obj) == 0) {
665 CERROR("%s: object "DFID" not found: rc = -2\n",
666 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
669 return next->do_ops->do_attr_set(env, next, la, handle, capa);
672 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
673 struct lu_buf *buf, const char *name,
674 struct lustre_capa *capa)
676 struct dt_object *next = mdd_object_child(obj);
677 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
680 static inline int mdo_declare_xattr_set(const struct lu_env *env,
681 struct mdd_object *obj,
682 const struct lu_buf *buf,
684 int fl, struct thandle *handle)
686 struct dt_object *next = mdd_object_child(obj);
687 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
690 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
691 const struct lu_buf *buf, const char *name,
692 int fl, struct thandle *handle,
693 struct lustre_capa *capa)
695 struct dt_object *next = mdd_object_child(obj);
696 if (mdd_object_exists(obj) == 0) {
697 CERROR("%s: object "DFID" not found: rc = -2\n",
698 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
701 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
705 static inline int mdo_declare_xattr_del(const struct lu_env *env,
706 struct mdd_object *obj,
708 struct thandle *handle)
710 struct dt_object *next = mdd_object_child(obj);
711 return dt_declare_xattr_del(env, next, name, handle);
714 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
715 const char *name, struct thandle *handle,
716 struct lustre_capa *capa)
718 struct dt_object *next = mdd_object_child(obj);
719 if (mdd_object_exists(obj) == 0) {
720 CERROR("%s: object "DFID" not found: rc = -2\n",
721 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
724 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
728 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
729 struct lu_buf *buf, struct lustre_capa *capa)
731 struct dt_object *next = mdd_object_child(obj);
732 if (mdd_object_exists(obj) == 0) {
733 CERROR("%s: object "DFID" not found: rc = -2\n",
734 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
737 return next->do_ops->do_xattr_list(env, next, buf, capa);
741 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
742 const struct dt_index_features *feat)
744 struct dt_object *next = mdd_object_child(obj);
745 return next->do_ops->do_index_try(env, next, feat);
749 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
750 const struct lu_fid *fid, const char *name,
751 struct thandle *handle)
753 struct dt_object *next = mdd_object_child(obj);
757 * if the object doesn't exist yet, then it's supposed to be created
758 * and declaration of the creation should be enough to insert ./..
760 if (mdd_object_exists(obj)) {
762 if (dt_try_as_dir(env, next))
763 rc = dt_declare_insert(env, next,
764 (struct dt_rec *)fid,
765 (const struct dt_key *)name,
773 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
774 const char *name, struct thandle *handle)
776 struct dt_object *next = mdd_object_child(obj);
778 if (!dt_try_as_dir(env, next))
781 return dt_declare_delete(env, next, (const struct dt_key *)name,
785 static inline int mdo_declare_ref_add(const struct lu_env *env,
786 struct mdd_object *obj,
787 struct thandle *handle)
789 struct dt_object *next = mdd_object_child(obj);
790 return dt_declare_ref_add(env, next, handle);
793 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
794 struct thandle *handle)
796 struct dt_object *next = mdd_object_child(obj);
797 if (mdd_object_exists(obj) == 0) {
798 CERROR("%s: object "DFID" not found: rc = -2\n",
799 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
802 return next->do_ops->do_ref_add(env, next, handle);
805 static inline int mdo_declare_ref_del(const struct lu_env *env,
806 struct mdd_object *obj,
807 struct thandle *handle)
809 struct dt_object *next = mdd_object_child(obj);
810 return dt_declare_ref_del(env, next, handle);
813 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
814 struct thandle *handle)
816 struct dt_object *next = mdd_object_child(obj);
817 if (mdd_object_exists(obj) == 0) {
818 CERROR("%s: object "DFID" not found: rc = -2\n",
819 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
822 return next->do_ops->do_ref_del(env, next, handle);
826 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
827 struct lu_attr *attr,
828 struct dt_allocation_hint *hint,
829 struct dt_object_format *dof,
830 struct thandle *handle)
832 struct dt_object *next = mdd_object_child(o);
833 return next->do_ops->do_declare_create(env, next, attr, hint,
838 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
839 struct lu_attr *attr,
840 struct dt_allocation_hint *hint,
841 struct dt_object_format *dof,
842 struct thandle *handle)
844 struct dt_object *next = mdd_object_child(o);
845 struct lu_ucred *uc = lu_ucred(env);
850 * LU-974 enforce client umask in creation.
851 * TODO: CMD needs to handle this for remote object.
853 saved = xchg(¤t->fs->umask, uc->uc_umask & S_IRWXUGO);
855 rc = next->do_ops->do_create(env, next, attr, hint, dof, handle);
857 /* restore previous umask value */
858 current->fs->umask = saved;
864 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
865 struct thandle *handle)
867 struct dt_object *next = mdd_object_child(o);
868 return dt_declare_destroy(env, next, handle);
872 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
873 struct thandle *handle)
875 struct dt_object *next = mdd_object_child(o);
876 return dt_destroy(env, next, handle);
879 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
880 struct mdd_object *obj,
881 struct lustre_capa *old,
884 struct dt_object *next = mdd_object_child(obj);
885 if (mdd_object_exists(obj) == 0) {
886 CERROR("%s: object "DFID" not found: rc = -2\n",
887 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
888 return ERR_PTR(-ENOENT);
890 return next->do_ops->do_capa_get(env, next, old, opc);