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,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License version 2 for more details. A copy is
14 * included in the COPYING file that accompanied this code.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/lod/lod_internal.h
34 * Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
35 * Author: Mikhail Pershin <mike.pershin@intel.com>
38 #ifndef _LOD_INTERNAL_H
39 #define _LOD_INTERNAL_H
41 #include <libcfs/libcfs.h>
42 #include <lustre_cfg.h>
44 #include <dt_object.h>
46 #define LOV_USES_ASSIGNED_STRIPE 0
47 #define LOV_USES_DEFAULT_STRIPE 1
49 /* Special values to remove LOV EA from disk */
50 #define LOVEA_DELETE_VALUES(size, count, offset, pool) \
51 ((size) == 0 && (count) == 0 && \
52 (offset) == (typeof(offset))(-1) && (pool) == NULL)
54 #define LMVEA_DELETE_VALUES(count, offset) \
55 ((count) == 0 && (offset) == (typeof(offset))(-1))
57 #define LOV_OFFSET_DEFAULT ((__u16)-1)
60 spinlock_t lqr_alloc; /* protect allocation index */
61 __u32 lqr_start_idx; /* start index of new inode */
62 __u32 lqr_offset_idx;/* aliasing for start_idx */
63 int lqr_start_count;/* reseed counter */
64 struct ost_pool lqr_pool; /* round-robin optimized list */
65 unsigned long lqr_dirty:1; /* recalc round-robin list */
69 char pool_name[LOV_MAXPOOLNAME + 1];
70 struct ost_pool pool_obds; /* pool members */
71 atomic_t pool_refcount;
72 struct lod_qos_rr pool_rr;
73 struct hlist_node pool_hash; /* access by poolname */
74 struct list_head pool_list;
75 struct proc_dir_entry *pool_proc_entry;
76 struct obd_device *pool_lobd; /* owner */
79 #define pool_tgt_size(p) ((p)->pool_obds.op_size)
80 #define pool_tgt_count(p) ((p)->pool_obds.op_count)
81 #define pool_tgt_array(p) ((p)->pool_obds.op_array)
82 #define pool_tgt_rw_sem(p) ((p)->pool_obds.op_rw_sem)
85 struct list_head lq_oss_list;
86 struct rw_semaphore lq_rw_sem;
87 __u32 lq_active_oss_count;
88 unsigned int lq_prio_free; /* priority for free space */
89 unsigned int lq_threshold_rr;/* priority for rr */
90 struct lod_qos_rr lq_rr; /* round robin qos data */
91 bool lq_dirty:1, /* recalc qos data */
92 lq_same_space:1,/* the ost's all have approx.
93 the same space avail */
94 lq_reset:1; /* zero current penalties */
98 struct obd_uuid lqo_uuid; /* ptlrpc's c_remote_uuid */
99 struct list_head lqo_oss_list; /* link to lov_qos */
100 __u64 lqo_bavail; /* total bytes avail on OSS */
101 __u64 lqo_penalty; /* current penalty */
102 __u64 lqo_penalty_per_obj; /* penalty decrease
104 time_t lqo_used; /* last used time, seconds */
105 __u32 lqo_ost_count; /* number of osts on this oss */
109 struct lod_qos_oss *ltq_oss; /* oss info */
110 __u64 ltq_penalty; /* current penalty */
111 __u64 ltq_penalty_per_obj; /* penalty decrease
113 __u64 ltq_weight; /* net weighting */
114 time_t ltq_used; /* last used time, seconds */
115 bool ltq_usable:1; /* usable for striping */
118 struct lod_tgt_desc {
119 struct dt_device *ltd_tgt;
120 struct list_head ltd_kill;
121 struct obd_export *ltd_exp;
122 struct obd_uuid ltd_uuid;
125 struct ltd_qos ltd_qos; /* qos info per target */
126 struct obd_statfs ltd_statfs;
127 struct ptlrpc_thread *ltd_recovery_thread;
128 unsigned long ltd_active:1,/* is this target up for requests */
129 ltd_activate:1,/* should target be activated */
130 ltd_reap:1, /* should this target be deleted */
131 ltd_got_update_log:1, /* Already got update log */
132 ltd_connecting:1; /* target is connecting */
135 #define TGT_PTRS 256 /* number of pointers at 1st level */
136 #define TGT_PTRS_PER_BLOCK 256 /* number of pointers at 2nd level */
138 struct lod_tgt_desc_idx {
139 struct lod_tgt_desc *ldi_tgt[TGT_PTRS_PER_BLOCK];
142 #define LTD_TGT(ltd, index) \
143 ((ltd)->ltd_tgt_idx[(index) / \
144 TGT_PTRS_PER_BLOCK]->ldi_tgt[(index) % TGT_PTRS_PER_BLOCK])
146 #define OST_TGT(lod, index) LTD_TGT(&lod->lod_ost_descs, index)
147 #define MDT_TGT(lod, index) LTD_TGT(&lod->lod_mdt_descs, index)
148 struct lod_tgt_descs {
149 /* list of known TGTs */
150 struct lod_tgt_desc_idx *ltd_tgt_idx[TGT_PTRS];
151 /* Size of the lod_tgts array, granted to be a power of 2 */
153 /* number of registered TGTs */
155 /* bitmap of TGTs available */
156 struct cfs_bitmap *ltd_tgt_bitmap;
157 /* TGTs scheduled to be deleted */
159 /* Table refcount used for delayed deletion */
161 /* mutex to serialize concurrent updates to the tgt table */
162 struct mutex ltd_mutex;
163 /* read/write semaphore used for array relocation */
164 struct rw_semaphore ltd_rw_sem;
168 struct dt_device lod_dt_dev;
169 struct obd_export *lod_child_exp;
170 struct dt_device *lod_child;
171 struct proc_dir_entry *lod_proc_entry;
172 struct lprocfs_stats *lod_stats;
173 spinlock_t lod_connects_lock;
175 unsigned int lod_recovery_completed:1,
178 lod_child_got_update_log:1;
180 /* lov settings descriptor storing static information */
181 struct lov_desc lod_desc;
183 /* protect ld_active_tgt_count, ltd_active and lod_md_root */
186 /* Description of OST */
187 struct lod_tgt_descs lod_ost_descs;
188 /* Description of MDT */
189 struct lod_tgt_descs lod_mdt_descs;
191 /* Recovery thread for lod_child */
192 struct ptlrpc_thread lod_child_recovery_thread;
194 /* maximum EA size underlied OSD may have */
195 unsigned int lod_osd_max_easize;
197 /*FIXME: When QOS and pool is implemented for MDT, probably these
198 * structure should be moved to lod_tgt_descs as well.
200 /* QoS info per LOD */
201 struct lod_qos lod_qos; /* qos info per lod */
204 struct ost_pool lod_pool_info; /* all OSTs in a packed array */
206 struct cfs_hash *lod_pools_hash_body; /* used for key access */
207 struct list_head lod_pool_list; /* used for sequential access */
208 struct proc_dir_entry *lod_pool_proc_entry;
210 enum lustre_sec_part lod_sp_me;
212 struct proc_dir_entry *lod_symlink;
214 /* ROOT object, used to fetch FS default striping */
215 struct lod_object *lod_md_root;
218 #define lod_osts lod_ost_descs.ltd_tgts
219 #define lod_ost_bitmap lod_ost_descs.ltd_tgt_bitmap
220 #define lod_ostnr lod_ost_descs.ltd_tgtnr
221 #define lod_osts_size lod_ost_descs.ltd_tgts_size
222 #define ltd_ost ltd_tgt
223 #define lod_ost_desc lod_tgt_desc
225 #define lod_mdts lod_mdt_descs.ltd_tgts
226 #define lod_mdt_bitmap lod_mdt_descs.ltd_tgt_bitmap
227 #define lod_remote_mdt_count lod_mdt_descs.ltd_tgtnr
228 #define lod_mdts_size lod_mdt_descs.ltd_tgts_size
229 #define ltd_mdt ltd_tgt
230 #define lod_mdt_desc lod_tgt_desc
232 struct lod_layout_component {
233 struct lu_extent llc_extent;
236 __u32 llc_stripe_size;
238 __u16 llc_layout_gen;
239 __u16 llc_stripe_offset;
241 __u16 llc_stripes_allocated;
243 struct dt_object **llc_stripe;
246 struct lod_default_striping {
248 /* current layout component count */
249 __u16 lds_def_comp_cnt;
250 /* the largest comp count ever used */
251 __u32 lds_def_comp_size_cnt;
252 struct lod_layout_component *lds_def_comp_entries;
254 __u32 lds_dir_def_stripenr;
255 __u32 lds_dir_def_stripe_offset;
256 __u32 lds_dir_def_hash_type;
257 /* default file striping flags (LOV) */
258 __u32 lds_def_striping_set:1,
259 lds_def_striping_is_composite:1,
260 /* default dir striping flags (LMV) */
261 lds_dir_def_striping_set:1;
265 struct dt_object ldo_obj;
267 /* file stripe (LOV) */
269 __u32 ldo_layout_gen;
270 /* Layout component count for a regular file.
271 * It equals to 1 for non-composite layout. */
273 __u32 ldo_is_composite:1,
276 /* directory stripe (LMV) */
278 /* Slave stripe count for striped directory. */
279 __u16 ldo_dir_stripenr;
280 /* How many stripes allocated for a striped directory */
281 __u16 ldo_dir_stripes_allocated;
282 __u32 ldo_dir_stripe_offset;
283 __u32 ldo_dir_hash_type;
284 /* Is a slave stripe of striped directory? */
285 __u32 ldo_dir_slave_stripe:1,
288 * default striping is not cached, so this field is
289 * invalid after create, make sure it's used by
290 * lod_dir_striping_create_internal() only.
292 struct lod_default_striping *ldo_def_striping;
295 /* file stripe (LOV) */
296 struct lod_layout_component *ldo_comp_entries;
297 /* slave stripes of striped directory (LMV)*/
298 struct dt_object **ldo_stripe;
301 static inline int lod_set_pool(char **pool, const char *new_pool)
305 if (*pool == new_pool)
309 len = strlen(*pool) + 1;
310 OBD_FREE(*pool, len);
313 if (new_pool != NULL) {
314 len = strlen(new_pool) + 1;
315 OBD_ALLOC(*pool, len);
318 strlcpy(*pool, new_pool, len);
323 static inline int lod_set_def_pool(struct lod_default_striping *lds,
324 int i, const char *new_pool)
326 return lod_set_pool(&lds->lds_def_comp_entries[i].llc_pool,
330 static inline int lod_obj_set_pool(struct lod_object *lo, int i,
331 const char *new_pool)
333 return lod_set_pool(&lo->ldo_comp_entries[i].llc_pool,
338 * Layout generation is used to generate unique component ID, to check ID
339 * collision, we preserve the highest bit of the layout generation when it
342 static inline void lod_obj_inc_layout_gen(struct lod_object *lo)
344 __u32 preserve = lo->ldo_layout_gen & LCME_ID_NONE;
345 lo->ldo_layout_gen++;
346 lo->ldo_layout_gen |= preserve;
347 /* Zero is not a valid component ID */
348 if (unlikely((lo->ldo_layout_gen & LCME_ID_MASK) == 0))
349 lo->ldo_layout_gen++;
353 struct dt_object *lit_obj; /* object from the layer below */
354 /* stripe offset of iteration */
355 __u32 lit_stripe_index;
357 struct dt_it *lit_it; /* iterator from the layer below */
360 struct lod_thread_info {
361 /* per-thread buffer for LOV EA, may be vmalloc'd */
363 __u32 lti_ea_store_size;
364 /* per-thread buffer for LMV EA */
365 struct lu_buf lti_buf;
366 struct ost_id lti_ostid;
367 struct lu_fid lti_fid;
368 struct obd_statfs lti_osfs;
369 struct lu_attr lti_attr;
370 struct lod_it lti_it;
371 struct ldlm_res_id lti_res_id;
372 /* used to hold lu_dirent, sizeof(struct lu_dirent) + NAME_MAX */
373 char lti_key[sizeof(struct lu_dirent) +
375 struct dt_object_format lti_format;
376 struct lu_name lti_name;
377 struct lu_buf lti_linkea_buf;
378 struct dt_insert_rec lti_dt_rec;
379 struct llog_catid lti_cid;
380 struct llog_cookie lti_cookie;
381 struct lustre_cfg lti_lustre_cfg;
382 /* used to store parent default striping in create */
383 struct lod_default_striping lti_def_striping;
384 struct filter_fid lti_ff;
387 extern const struct lu_device_operations lod_lu_ops;
389 static inline int lu_device_is_lod(struct lu_device *d)
391 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &lod_lu_ops);
394 static inline struct lod_device* lu2lod_dev(struct lu_device *d)
396 LASSERT(lu_device_is_lod(d));
397 return container_of0(d, struct lod_device, lod_dt_dev.dd_lu_dev);
400 static inline struct lu_device *lod2lu_dev(struct lod_device *d)
402 return &d->lod_dt_dev.dd_lu_dev;
405 static inline struct obd_device *lod2obd(struct lod_device *d)
407 return d->lod_dt_dev.dd_lu_dev.ld_obd;
410 static inline struct lod_device *dt2lod_dev(struct dt_device *d)
412 LASSERT(lu_device_is_lod(&d->dd_lu_dev));
413 return container_of0(d, struct lod_device, lod_dt_dev);
416 static inline struct lod_object *lu2lod_obj(struct lu_object *o)
418 LASSERT(ergo(o != NULL, lu_device_is_lod(o->lo_dev)));
419 return container_of0(o, struct lod_object, ldo_obj.do_lu);
422 static inline struct lu_object *lod2lu_obj(struct lod_object *obj)
424 return &obj->ldo_obj.do_lu;
427 static inline struct lod_object *lod_obj(const struct lu_object *o)
429 LASSERT(lu_device_is_lod(o->lo_dev));
430 return container_of0(o, struct lod_object, ldo_obj.do_lu);
433 static inline struct lod_object *lod_dt_obj(const struct dt_object *d)
435 return lod_obj(&d->do_lu);
438 static inline struct dt_object* lod_object_child(struct lod_object *o)
440 return container_of0(lu_object_next(lod2lu_obj(o)),
441 struct dt_object, do_lu);
444 static inline bool lod_obj_is_striped(struct dt_object *dt)
446 struct lod_object *lo = lod_dt_obj(dt);
449 if (!dt_object_exists(dt_object_child(dt)))
452 if (S_ISDIR(dt->do_lu.lo_header->loh_attr))
453 return lo->ldo_dir_stripenr != 0;
455 for (i = 0; i < lo->ldo_comp_cnt; i++) {
456 if (lo->ldo_comp_entries[i].llc_stripe == NULL)
458 LASSERT(lo->ldo_comp_entries[i].llc_stripenr > 0);
464 extern struct lu_context_key lod_thread_key;
466 static inline struct lod_thread_info *lod_env_info(const struct lu_env *env)
468 struct lod_thread_info *info;
469 info = lu_context_key_get(&env->le_ctx, &lod_thread_key);
474 static inline struct lu_name *
475 lod_name_get(const struct lu_env *env, const void *area, int len)
477 struct lu_name *lname;
479 lname = &lod_env_info(env)->lti_name;
480 lname->ln_name = area;
481 lname->ln_namelen = len;
485 #define lod_foreach_ost(__dev, index) \
486 if ((__dev)->lod_osts_size > 0) \
487 cfs_foreach_bit((__dev)->lod_ost_bitmap, (index))
489 #define lod_foreach_mdt(mdt_dev, index) \
490 cfs_foreach_bit((mdt_dev)->lod_mdt_bitmap, (index))
493 extern struct kmem_cache *lod_object_kmem;
494 int lod_fld_lookup(const struct lu_env *env, struct lod_device *lod,
495 const struct lu_fid *fid, __u32 *tgt, int *flags);
496 int lod_sub_init_llog(const struct lu_env *env, struct lod_device *lod,
497 struct dt_device *dt);
498 void lod_sub_fini_llog(const struct lu_env *env,
499 struct dt_device *dt, struct ptlrpc_thread *thread);
500 int lodname2mdt_index(char *lodname, __u32 *mdt_index);
501 extern void target_recovery_fini(struct obd_device *obd);
504 void lod_getref(struct lod_tgt_descs *ltd);
505 void lod_putref(struct lod_device *lod, struct lod_tgt_descs *ltd);
506 int lod_add_device(const struct lu_env *env, struct lod_device *lod,
507 char *osp, unsigned index, unsigned gen, int mdt_index,
508 char *type, int active);
509 int lod_del_device(const struct lu_env *env, struct lod_device *lod,
510 struct lod_tgt_descs *ltd, char *osp, unsigned idx,
511 unsigned gen, bool for_ost);
512 int lod_fini_tgt(const struct lu_env *env, struct lod_device *lod,
513 struct lod_tgt_descs *ltd, bool for_ost);
514 int lod_load_striping_locked(const struct lu_env *env, struct lod_object *lo);
515 int lod_load_striping(const struct lu_env *env, struct lod_object *lo);
517 int lod_get_ea(const struct lu_env *env, struct lod_object *lo,
520 lod_get_lov_ea(const struct lu_env *env, struct lod_object *lo)
522 return lod_get_ea(env, lo, XATTR_NAME_LOV);
526 lod_get_lmv_ea(const struct lu_env *env, struct lod_object *lo)
528 return lod_get_ea(env, lo, XATTR_NAME_LMV);
532 lod_get_default_lmv_ea(const struct lu_env *env, struct lod_object *lo)
534 return lod_get_ea(env, lo, XATTR_NAME_DEFAULT_LMV);
537 void lod_fix_desc(struct lov_desc *desc);
538 void lod_fix_desc_qos_maxage(__u32 *val);
539 void lod_fix_desc_pattern(__u32 *val);
540 void lod_fix_desc_stripe_count(__u32 *val);
541 void lod_fix_desc_stripe_size(__u64 *val);
542 int lod_pools_init(struct lod_device *m, struct lustre_cfg *cfg);
543 int lod_pools_fini(struct lod_device *m);
544 int lod_parse_striping(const struct lu_env *env, struct lod_object *mo,
545 const struct lu_buf *buf);
546 int lod_parse_dir_striping(const struct lu_env *env, struct lod_object *lo,
547 const struct lu_buf *buf);
548 int lod_initialize_objects(const struct lu_env *env, struct lod_object *mo,
549 struct lov_ost_data_v1 *objs, int index);
550 int lod_verify_striping(struct lod_device *d, const struct lu_buf *buf,
551 bool is_from_disk, __u64 start);
552 int lod_generate_lovea(const struct lu_env *env, struct lod_object *lo,
553 struct lov_mds_md *lmm, int *lmm_size, bool is_dir);
554 int lod_ea_store_resize(struct lod_thread_info *info, size_t size);
555 int lod_def_striping_comp_resize(struct lod_default_striping *lds, __u16 count);
556 void lod_free_def_comp_entries(struct lod_default_striping *lds);
557 void lod_free_comp_entries(struct lod_object *lo);
558 int lod_alloc_comp_entries(struct lod_object *lo, int cnt);
561 int lod_ost_pool_add(struct ost_pool *op, __u32 idx, unsigned int min_count);
562 int lod_ost_pool_remove(struct ost_pool *op, __u32 idx);
563 int lod_ost_pool_extend(struct ost_pool *op, unsigned int min_count);
564 struct pool_desc *lod_find_pool(struct lod_device *lod, char *poolname);
565 void lod_pool_putref(struct pool_desc *pool);
566 int lod_ost_pool_free(struct ost_pool *op);
567 int lod_pool_del(struct obd_device *obd, char *poolname);
568 int lod_ost_pool_init(struct ost_pool *op, unsigned int count);
569 extern struct cfs_hash_ops pool_hash_operations;
570 int lod_check_index_in_pool(__u32 idx, struct pool_desc *pool);
571 int lod_pool_new(struct obd_device *obd, char *poolname);
572 int lod_pool_add(struct obd_device *obd, char *poolname, char *ostname);
573 int lod_pool_remove(struct obd_device *obd, char *poolname, char *ostname);
576 int lod_prepare_create(const struct lu_env *env, struct lod_object *lo,
577 struct lu_attr *attr, const struct lu_buf *buf,
579 int qos_add_tgt(struct lod_device*, struct lod_tgt_desc *);
580 int qos_del_tgt(struct lod_device *, struct lod_tgt_desc *);
581 void lod_qos_rr_init(struct lod_qos_rr *lqr);
582 int lod_use_defined_striping(const struct lu_env *, struct lod_object *,
583 const struct lu_buf *);
586 int lod_procfs_init(struct lod_device *lod);
587 void lod_procfs_fini(struct lod_device *lod);
590 extern struct dt_object_operations lod_obj_ops;
591 extern struct lu_object_operations lod_lu_obj_ops;
592 int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
593 struct lu_buf *buf, bool resize);
594 int lod_declare_striped_object(const struct lu_env *env, struct dt_object *dt,
595 struct lu_attr *attr,
596 const struct lu_buf *lovea, struct thandle *th);
597 int lod_striping_create(const struct lu_env *env, struct dt_object *dt,
598 struct lu_attr *attr, struct dt_object_format *dof,
600 void lod_object_free_striping(const struct lu_env *env, struct lod_object *lo);
602 struct lod_obj_stripe_cb_data {
604 const struct lu_attr *locd_attr;
605 struct ost_pool *locd_inuse;
610 typedef int (*lod_obj_stripe_cb_t)(const struct lu_env *env,
611 struct lod_object *lo, struct dt_object *dt,
612 struct thandle *th, int stripe_idx,
613 struct lod_obj_stripe_cb_data *data);
615 int lod_obj_for_each_stripe(const struct lu_env *env, struct lod_object *lo,
616 struct thandle *th, lod_obj_stripe_cb_t cb,
617 struct lod_obj_stripe_cb_data *data);
619 /* lod_sub_object.c */
620 struct thandle *lod_sub_get_thandle(const struct lu_env *env,
622 const struct dt_object *sub_obj,
623 bool *record_update);
624 int lod_sub_object_declare_create(const struct lu_env *env,
625 struct dt_object *dt,
626 struct lu_attr *attr,
627 struct dt_allocation_hint *hint,
628 struct dt_object_format *dof,
630 int lod_sub_object_create(const struct lu_env *env, struct dt_object *dt,
631 struct lu_attr *attr,
632 struct dt_allocation_hint *hint,
633 struct dt_object_format *dof,
635 int lod_sub_object_declare_ref_add(const struct lu_env *env,
636 struct dt_object *dt,
638 int lod_sub_object_ref_add(const struct lu_env *env, struct dt_object *dt,
640 int lod_sub_object_declare_ref_del(const struct lu_env *env,
641 struct dt_object *dt,
643 int lod_sub_object_ref_del(const struct lu_env *env, struct dt_object *dt,
645 int lod_sub_object_declare_destroy(const struct lu_env *env,
646 struct dt_object *dt,
648 int lod_sub_object_destroy(const struct lu_env *env, struct dt_object *dt,
650 int lod_sub_object_declare_insert(const struct lu_env *env,
651 struct dt_object *dt,
652 const struct dt_rec *rec,
653 const struct dt_key *key,
655 int lod_sub_object_index_insert(const struct lu_env *env, struct dt_object *dt,
656 const struct dt_rec *rec,
657 const struct dt_key *key, struct thandle *th,
659 int lod_sub_object_declare_delete(const struct lu_env *env,
660 struct dt_object *dt,
661 const struct dt_key *key,
663 int lod_sub_object_delete(const struct lu_env *env, struct dt_object *dt,
664 const struct dt_key *name, struct thandle *th);
665 int lod_sub_object_declare_xattr_set(const struct lu_env *env,
666 struct dt_object *dt,
667 const struct lu_buf *buf,
668 const char *name, int fl,
670 int lod_sub_object_xattr_set(const struct lu_env *env, struct dt_object *dt,
671 const struct lu_buf *buf, const char *name, int fl,
673 int lod_sub_object_declare_attr_set(const struct lu_env *env,
674 struct dt_object *dt,
675 const struct lu_attr *attr,
677 int lod_sub_object_attr_set(const struct lu_env *env,
678 struct dt_object *dt,
679 const struct lu_attr *attr,
681 int lod_sub_object_declare_xattr_del(const struct lu_env *env,
682 struct dt_object *dt,
685 int lod_sub_object_xattr_del(const struct lu_env *env,
686 struct dt_object *dt,
689 int lod_sub_object_declare_write(const struct lu_env *env,
690 struct dt_object *dt,
691 const struct lu_buf *buf, loff_t pos,
693 ssize_t lod_sub_object_write(const struct lu_env *env, struct dt_object *dt,
694 const struct lu_buf *buf, loff_t *pos,
695 struct thandle *th, int rq);
696 int lod_sub_object_declare_punch(const struct lu_env *env,
697 struct dt_object *dt,
698 __u64 start, __u64 end,
700 int lod_sub_object_punch(const struct lu_env *env, struct dt_object *dt,
701 __u64 start, __u64 end, struct thandle *th);
703 int lod_sub_prep_llog(const struct lu_env *env, struct lod_device *lod,
704 struct dt_device *dt, int index);