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, 2017, 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 <uapi/linux/lustre/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))
58 char pool_name[LOV_MAXPOOLNAME + 1];
59 struct lu_tgt_pool pool_obds; /* pool members */
60 atomic_t pool_refcount;
61 struct lu_qos_rr pool_rr;
62 struct rhash_head pool_hash; /* access by poolname */
63 struct list_head pool_list;
64 struct rcu_head pool_rcu;
65 struct proc_dir_entry *pool_proc_entry;
66 struct obd_device *pool_lobd; /* owner */
69 int lod_pool_hash_init(struct rhashtable *tbl);
70 void lod_pool_hash_destroy(struct rhashtable *tbl);
72 #define pool_tgt_count(p) ((p)->pool_obds.op_count)
73 #define pool_tgt_array(p) ((p)->pool_obds.op_array)
74 #define pool_tgt_rw_sem(p) ((p)->pool_obds.op_rw_sem)
76 #define lod_tgt_desc lu_tgt_desc
77 #define lod_tgt_descs lu_tgt_descs
79 #define OST_TGT(lod, index) LTD_TGT(&lod->lod_ost_descs, index)
80 #define MDT_TGT(lod, index) LTD_TGT(&lod->lod_mdt_descs, index)
82 struct lod_avoid_guide {
83 /* ids of OSSs avoid guidance */
84 __u32 *lag_oss_avoid_array;
85 /* number of filled array items */
86 unsigned int lag_oaa_count;
87 /* number of allocated array items */
88 unsigned int lag_oaa_size;
89 /* bitmap of OSTs avoid guidance */
90 struct cfs_bitmap *lag_ost_avoid_bitmap;
91 /* how many OSTs are available for alloc */
96 struct dt_device lod_dt_dev;
97 struct obd_export *lod_child_exp;
98 struct dt_device *lod_child;
99 struct lprocfs_stats *lod_stats;
100 spinlock_t lod_connects_lock;
102 unsigned int lod_recovery_completed:1,
105 lod_child_got_update_log:1;
107 /* protect ld_active_tgt_count, ltd_active and lod_md_root */
110 /* Description of OST */
111 struct lod_tgt_descs lod_ost_descs;
112 /* Description of MDT */
113 struct lod_tgt_descs lod_mdt_descs;
115 /* Recovery thread for lod_child */
116 struct task_struct *lod_child_recovery_task;
118 /* maximum EA size underlied OSD may have */
119 unsigned int lod_osd_max_easize;
120 /* maximum size of MDT stripe for Data-on-MDT files. */
121 unsigned int lod_dom_max_stripesize;
125 struct rhashtable lod_pools_hash_body; /* used for key access */
126 struct list_head lod_pool_list; /* used for sequential access */
127 struct proc_dir_entry *lod_pool_proc_entry;
129 enum lustre_sec_part lod_sp_me;
131 struct proc_dir_entry *lod_symlink;
132 struct dentry *lod_debugfs;
134 /* ROOT object, used to fetch FS default striping */
135 struct lod_object *lod_md_root;
138 #define lod_ost_bitmap lod_ost_descs.ltd_tgt_bitmap
139 #define lod_ost_count lod_ost_descs.ltd_lov_desc.ld_tgt_count
140 #define lod_remote_mdt_count lod_mdt_descs.ltd_lmv_desc.ld_tgt_count
142 struct lod_layout_component {
143 struct lu_extent llc_extent;
146 __u32 llc_stripe_size;
148 __u16 llc_layout_gen;
149 __u16 llc_stripe_offset;
150 __u16 llc_stripe_count;
151 __u16 llc_stripes_allocated;
152 __u64 llc_timestamp; /* snapshot time */
154 /* ost list specified with LOV_USER_MAGIC_SPECIFIC lum */
155 struct lu_tgt_pool llc_ostlist;
156 struct dt_object **llc_stripe;
157 __u32 *llc_ost_indices;
160 struct lod_default_striping {
162 /* current layout component count */
163 __u16 lds_def_comp_cnt;
164 __u16 lds_def_mirror_cnt;
165 /* the largest comp count ever used */
166 __u32 lds_def_comp_size_cnt;
167 struct lod_layout_component *lds_def_comp_entries;
169 __u32 lds_dir_def_stripe_count;
170 __u32 lds_dir_def_stripe_offset;
171 __u32 lds_dir_def_hash_type;
172 /* default file striping flags (LOV) */
173 __u32 lds_def_striping_set:1,
174 lds_def_striping_is_composite:1,
175 /* default dir striping flags (LMV) */
176 lds_dir_def_striping_set:1;
179 struct lod_mirror_entry {
184 /* start,end index of this mirror in ldo_comp_entries */
190 /* common fields for both files and directories */
191 struct dt_object ldo_obj;
192 struct mutex ldo_layout_mutex;
194 /* file stripe (LOV) */
196 __u32 ldo_layout_gen;
197 /* Layout component count for a regular file.
198 * It equals to 1 for non-composite layout. */
200 /* Layout mirror count for a PFLR file.
201 * It's 0 for files with non-composite layout. */
202 __u16 ldo_mirror_count;
203 struct lod_mirror_entry *ldo_mirrors;
204 __u32 ldo_is_composite:1,
209 /* directory stripe (LMV) */
211 /* Slave stripe count for striped directory. */
212 __u16 ldo_dir_stripe_count;
213 /* How many stripes allocated for a striped directory */
214 __u16 ldo_dir_stripes_allocated;
215 __u32 ldo_dir_stripe_offset;
216 __u32 ldo_dir_hash_type;
217 __u32 ldo_dir_migrate_offset;
218 __u32 ldo_dir_migrate_hash;
219 /* Is a slave stripe of striped directory? */
220 __u32 ldo_dir_slave_stripe:1,
222 /* the stripe has been loaded */
223 ldo_dir_stripe_loaded:1,
224 /* foreign directory */
227 * This default LMV is parent default LMV, which will be
228 * used in child creation, and it's not cached, so this
229 * field is invalid after create, make sure it's used by
230 * lod_dir_striping_create_internal() only.
232 struct lod_default_striping *ldo_def_striping;
237 /* foreign/raw format LOV */
238 char *ldo_foreign_lov;
239 size_t ldo_foreign_lov_size;
242 /* foreign/raw format LMV */
243 char *ldo_foreign_lmv;
244 size_t ldo_foreign_lmv_size;
247 /* file stripe (LOV) */
248 struct lod_layout_component *ldo_comp_entries;
249 /* slave stripes of striped directory (LMV) */
250 struct dt_object **ldo_stripe;
255 #define lod_foreach_mirror_comp(comp, lo, mirror_idx) \
256 for (comp = &lo->ldo_comp_entries[lo->ldo_mirrors[mirror_idx].lme_start]; \
257 comp <= &lo->ldo_comp_entries[lo->ldo_mirrors[mirror_idx].lme_end]; \
260 static inline bool lod_is_flr(const struct lod_object *lo)
262 if (!lo->ldo_is_composite)
265 return (lo->ldo_flr_state & LCM_FL_FLR_MASK) != LCM_FL_NONE;
268 static inline int lod_set_pool(char **pool, const char *new_pool)
272 if (*pool == new_pool)
276 len = strlen(*pool) + 1;
277 OBD_FREE(*pool, len);
280 if (new_pool != NULL) {
281 len = strlen(new_pool) + 1;
282 OBD_ALLOC(*pool, len);
285 strlcpy(*pool, new_pool, len);
290 static inline int lod_set_def_pool(struct lod_default_striping *lds,
291 int i, const char *new_pool)
293 return lod_set_pool(&lds->lds_def_comp_entries[i].llc_pool, new_pool);
296 static inline int lod_obj_set_pool(struct lod_object *lo, int i,
297 const char *new_pool)
299 return lod_set_pool(&lo->ldo_comp_entries[i].llc_pool, new_pool);
303 * Create new layout generation.
305 * The only requirement for layout generation is that it changes when
306 * the layout is modified, so a circular counter is sufficient for the
307 * low rate of layout modifications.
309 * Layout generation is also used to generate unique component ID.
310 * To detect generation overflow, we preserve the highest bit of the
311 * generation when it wrapped.
313 static inline void lod_obj_inc_layout_gen(struct lod_object *lo)
315 __u32 preserve = lo->ldo_layout_gen & ~LCME_ID_MASK;
316 lo->ldo_layout_gen++;
317 lo->ldo_layout_gen |= preserve;
318 /* Zero is not a valid generation */
319 if (unlikely((lo->ldo_layout_gen & LCME_ID_MASK) == 0))
320 lo->ldo_layout_gen++;
324 struct dt_object *lit_obj; /* object from the layer below */
325 /* stripe offset of iteration */
326 __u32 lit_stripe_index;
328 struct dt_it *lit_it; /* iterator from the layer below */
331 struct lod_thread_info {
332 /* per-thread buffer for LOV EA, may be vmalloc'd */
334 __u32 lti_ea_store_size;
335 /* per-thread buffer for LMV EA */
336 struct lu_buf lti_buf;
337 struct ost_id lti_ostid;
338 struct lu_fid lti_fid;
339 struct obd_statfs lti_osfs;
340 struct lu_attr lti_attr;
341 struct lod_it lti_it;
342 struct ldlm_res_id lti_res_id;
343 /* used to hold lu_dirent, sizeof(struct lu_dirent) + NAME_MAX */
344 char lti_key[sizeof(struct lu_dirent) +
346 struct dt_object_format lti_format;
347 struct lu_name lti_name;
348 struct lu_buf lti_linkea_buf;
349 struct dt_insert_rec lti_dt_rec;
350 struct llog_catid lti_cid;
351 struct llog_cookie lti_cookie;
352 struct lustre_cfg lti_lustre_cfg;
353 /* used to store parent default striping in create */
354 struct lod_default_striping lti_def_striping;
355 struct filter_fid lti_ff;
357 size_t lti_comp_size;
359 struct lu_attr lti_layout_attr;
360 /* object allocation avoid guide info */
361 struct lod_avoid_guide lti_avoid;
364 extern const struct lu_device_operations lod_lu_ops;
366 static inline int lu_device_is_lod(struct lu_device *d)
368 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &lod_lu_ops);
371 static inline struct lod_device* lu2lod_dev(struct lu_device *d)
373 LASSERT(lu_device_is_lod(d));
374 return container_of0(d, struct lod_device, lod_dt_dev.dd_lu_dev);
377 static inline struct lu_device *lod2lu_dev(struct lod_device *d)
379 return &d->lod_dt_dev.dd_lu_dev;
382 static inline struct obd_device *lod2obd(struct lod_device *d)
384 return d->lod_dt_dev.dd_lu_dev.ld_obd;
387 static inline struct lod_device *dt2lod_dev(struct dt_device *d)
389 LASSERT(lu_device_is_lod(&d->dd_lu_dev));
390 return container_of0(d, struct lod_device, lod_dt_dev);
393 static inline struct lod_object *lu2lod_obj(struct lu_object *o)
395 LASSERT(ergo(o != NULL, lu_device_is_lod(o->lo_dev)));
396 return container_of0(o, struct lod_object, ldo_obj.do_lu);
399 static inline struct lu_object *lod2lu_obj(struct lod_object *obj)
401 return &obj->ldo_obj.do_lu;
404 static inline const struct lu_fid *lod_object_fid(struct lod_object *obj)
406 return lu_object_fid(lod2lu_obj(obj));
409 static inline struct lod_object *lod_obj(const struct lu_object *o)
411 LASSERT(lu_device_is_lod(o->lo_dev));
412 return container_of0(o, struct lod_object, ldo_obj.do_lu);
415 static inline struct lod_object *lod_dt_obj(const struct dt_object *d)
417 return lod_obj(&d->do_lu);
420 static inline struct dt_object* lod_object_child(struct lod_object *o)
422 return container_of0(lu_object_next(lod2lu_obj(o)),
423 struct dt_object, do_lu);
426 static inline bool lod_obj_is_striped(struct dt_object *dt)
428 struct lod_object *lo = lod_dt_obj(dt);
431 if (!dt_object_exists(dt_object_child(dt)))
434 if (S_ISDIR(dt->do_lu.lo_header->loh_attr))
435 return lo->ldo_dir_stripe_count != 0;
437 if (lo->ldo_is_foreign)
440 for (i = 0; i < lo->ldo_comp_cnt; i++) {
441 if (lo->ldo_comp_entries[i].llc_stripe == NULL)
443 LASSERT(lo->ldo_comp_entries[i].llc_stripe_count > 0);
449 extern struct lu_context_key lod_thread_key;
451 static inline struct lod_thread_info *lod_env_info(const struct lu_env *env)
453 struct lod_thread_info *info;
454 info = lu_context_key_get(&env->le_ctx, &lod_thread_key);
459 static inline struct lu_name *
460 lod_name_get(const struct lu_env *env, const void *area, int len)
462 struct lu_name *lname;
464 lname = &lod_env_info(env)->lti_name;
465 lname->ln_name = area;
466 lname->ln_namelen = len;
470 static inline struct lod_default_striping *
471 lod_lds_buf_get(const struct lu_env *env)
473 struct lod_thread_info *info = lod_env_info(env);
475 info->lti_def_striping.lds_def_striping_set = 0;
476 info->lti_def_striping.lds_dir_def_striping_set = 0;
477 return &info->lti_def_striping;
480 static inline void lod_layout_get_pool(struct lod_layout_component *entries,
481 int count, char *pool, int len)
485 for (i = 0; i < count; i++) {
486 if (entries[i].llc_pool != NULL) {
487 strlcpy(pool, entries[i].llc_pool, len);
493 #define lod_foreach_mdt(lod, mdt) ltd_foreach_tgt(&(lod)->lod_mdt_descs, mdt)
494 #define lod_foreach_ost(lod, ost) ltd_foreach_tgt(&(lod)->lod_ost_descs, ost)
497 extern struct kmem_cache *lod_object_kmem;
498 int lod_fld_lookup(const struct lu_env *env, struct lod_device *lod,
499 const struct lu_fid *fid, __u32 *tgt, int *flags);
500 int lod_sub_init_llog(const struct lu_env *env, struct lod_device *lod,
501 struct dt_device *dt);
502 void lod_sub_fini_llog(const struct lu_env *env,
503 struct dt_device *dt, struct task_struct **taskp);
504 int lodname2mdt_index(char *lodname, __u32 *mdt_index);
505 extern void target_recovery_fini(struct obd_device *obd);
508 void lod_getref(struct lod_tgt_descs *ltd);
509 void lod_putref(struct lod_device *lod, struct lod_tgt_descs *ltd);
510 int lod_add_device(const struct lu_env *env, struct lod_device *lod,
511 char *osp, unsigned index, unsigned gen, int mdt_index,
512 char *type, int active);
513 int lod_del_device(const struct lu_env *env, struct lod_device *lod,
514 struct lod_tgt_descs *ltd, char *osp, unsigned int idx,
516 int lod_fini_tgt(const struct lu_env *env, struct lod_device *lod,
517 struct lod_tgt_descs *ltd);
518 int lod_striping_load(const struct lu_env *env, struct lod_object *lo);
519 int lod_striping_reload(const struct lu_env *env, struct lod_object *lo,
520 const struct lu_buf *buf);
522 int lod_get_ea(const struct lu_env *env, struct lod_object *lo,
525 lod_get_lov_ea(const struct lu_env *env, struct lod_object *lo)
527 return lod_get_ea(env, lo, XATTR_NAME_LOV);
531 lod_get_lmv_ea(const struct lu_env *env, struct lod_object *lo)
533 return lod_get_ea(env, lo, XATTR_NAME_LMV);
537 lod_get_default_lmv_ea(const struct lu_env *env, struct lod_object *lo)
539 return lod_get_ea(env, lo, XATTR_NAME_DEFAULT_LMV);
543 lod_comp_set_init(struct lod_layout_component *entry)
545 entry->llc_flags |= LCME_FL_INIT;
549 lod_comp_unset_init(struct lod_layout_component *entry)
551 entry->llc_flags &= ~LCME_FL_INIT;
555 lod_comp_inited(const struct lod_layout_component *entry)
557 return entry->llc_flags & LCME_FL_INIT;
561 * For a PFL file, some of its component could be un-instantiated, so
562 * that their lov_ost_data_v1 array is not needed, we'd use this function
563 * to reduce the LOVEA buffer size.
565 * Note: if llc_ostlist contains value, we'd need lov_ost_data_v1 array to
566 * save the specified OST index list.
569 lod_comp_shrink_stripe_count(struct lod_layout_component *lod_comp,
573 * Need one lov_ost_data_v1 to store invalid ost_idx, please refer to
574 * lod_parse_striping()
576 if (!lod_comp_inited(lod_comp) && lod_comp->llc_ostlist.op_count == 0)
580 void lod_fix_desc(struct lov_desc *desc);
581 void lod_fix_desc_qos_maxage(__u32 *val);
582 void lod_fix_desc_pattern(__u32 *val);
583 void lod_fix_desc_stripe_count(__u32 *val);
584 void lod_fix_desc_stripe_size(__u64 *val);
585 void lod_fix_lmv_desc_pattern(__u32 *val);
586 int lod_pools_init(struct lod_device *m, struct lustre_cfg *cfg);
587 int lod_pools_fini(struct lod_device *m);
588 int lod_parse_striping(const struct lu_env *env, struct lod_object *mo,
589 const struct lu_buf *buf);
590 int lod_parse_dir_striping(const struct lu_env *env, struct lod_object *lo,
591 const struct lu_buf *buf);
592 int lod_initialize_objects(const struct lu_env *env, struct lod_object *mo,
593 struct lov_ost_data_v1 *objs, int index);
594 int lod_verify_striping(struct lod_device *d, struct lod_object *lo,
595 const struct lu_buf *buf, bool is_from_disk);
596 int lod_generate_lovea(const struct lu_env *env, struct lod_object *lo,
597 struct lov_mds_md *lmm, int *lmm_size, bool is_dir);
598 int lod_ea_store_resize(struct lod_thread_info *info, size_t size);
599 int lod_def_striping_comp_resize(struct lod_default_striping *lds, __u16 count);
600 void lod_free_def_comp_entries(struct lod_default_striping *lds);
601 void lod_free_comp_entries(struct lod_object *lo);
602 int lod_alloc_comp_entries(struct lod_object *lo, int mirror_cnt, int comp_cnt);
603 int lod_fill_mirrors(struct lod_object *lo);
606 int lod_tgt_pool_init(struct lu_tgt_pool *op, unsigned int count);
607 int lod_tgt_pool_free(struct lu_tgt_pool *op);
608 int lod_tgt_pool_add(struct lu_tgt_pool *op, __u32 idx, unsigned int min_count);
609 int lod_tgt_pool_remove(struct lu_tgt_pool *op, __u32 idx);
610 int lod_tgt_pool_extend(struct lu_tgt_pool *op, unsigned int min_count);
611 struct pool_desc *lod_find_pool(struct lod_device *lod, char *poolname);
612 void lod_pool_putref(struct pool_desc *pool);
613 int lod_pool_del(struct obd_device *obd, char *poolname);
614 int lod_check_index_in_pool(__u32 idx, struct pool_desc *pool);
615 int lod_pool_new(struct obd_device *obd, char *poolname);
616 int lod_pool_add(struct obd_device *obd, char *poolname, char *ostname);
617 int lod_pool_remove(struct obd_device *obd, char *poolname, char *ostname);
619 struct lod_obj_stripe_cb_data;
620 typedef int (*lod_obj_stripe_cb_t)(const struct lu_env *env,
621 struct lod_object *lo, struct dt_object *dt,
623 int comp_idx, int stripe_idx,
624 struct lod_obj_stripe_cb_data *data);
625 typedef bool (*lod_obj_comp_skip_cb_t)(const struct lu_env *env,
626 struct lod_object *lo, int comp_idx,
627 struct lod_obj_stripe_cb_data *data);
628 typedef int (*lod_obj_comp_cb_t)(const struct lu_env *env,
629 struct lod_object *lo, int comp_idx,
630 struct lod_obj_stripe_cb_data *data);
631 struct lod_obj_stripe_cb_data {
633 const struct lu_attr *locd_attr;
635 const struct lu_buf *locd_buf;
637 lod_obj_stripe_cb_t locd_stripe_cb;
638 lod_obj_comp_skip_cb_t locd_comp_skip_cb;
639 lod_obj_comp_cb_t locd_comp_cb;
644 int lod_mdt_alloc_qos(const struct lu_env *env, struct lod_object *lo,
645 struct dt_object **stripes);
646 int lod_mdt_alloc_rr(const struct lu_env *env, struct lod_object *lo,
647 struct dt_object **stripe);
648 int lod_prepare_create(const struct lu_env *env, struct lod_object *lo,
649 struct lu_attr *attr, const struct lu_buf *buf,
651 int lod_use_defined_striping(const struct lu_env *, struct lod_object *,
652 const struct lu_buf *);
653 int lod_qos_parse_config(const struct lu_env *env, struct lod_object *lo,
654 const struct lu_buf *buf);
655 int lod_qos_prep_create(const struct lu_env *env, struct lod_object *lo,
656 struct lu_attr *attr, struct thandle *th,
658 __u16 lod_comp_entry_stripe_count(struct lod_object *lo,
659 struct lod_layout_component *entry,
661 __u16 lod_get_stripe_count(struct lod_device *lod, struct lod_object *lo,
662 __u16 stripe_count, bool overstriping);
663 void lod_qos_statfs_update(const struct lu_env *env, struct lod_device *lod,
664 struct lu_tgt_descs *ltd);
667 int lod_procfs_init(struct lod_device *lod);
668 void lod_procfs_fini(struct lod_device *lod);
671 extern struct dt_object_operations lod_obj_ops;
672 extern struct lu_object_operations lod_lu_obj_ops;
674 int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
675 struct lu_buf *buf, bool resize);
676 int lod_declare_striped_create(const struct lu_env *env, struct dt_object *dt,
677 struct lu_attr *attr,
678 const struct lu_buf *lovea, struct thandle *th);
679 int lod_striped_create(const struct lu_env *env, struct dt_object *dt,
680 struct lu_attr *attr, struct dt_object_format *dof,
682 int lod_alloc_foreign_lov(struct lod_object *lo, size_t size);
683 void lod_free_foreign_lov(struct lod_object *lo);
684 void lod_striping_free_nolock(const struct lu_env *env, struct lod_object *lo);
685 void lod_striping_free(const struct lu_env *env, struct lod_object *lo);
687 int lod_obj_for_each_stripe(const struct lu_env *env, struct lod_object *lo,
689 struct lod_obj_stripe_cb_data *data);
690 int lod_comp_copy_ost_lists(struct lod_layout_component *lod_comp,
691 struct lov_user_md_v3 *v3);
693 /* lod_sub_object.c */
694 struct thandle *lod_sub_get_thandle(const struct lu_env *env,
696 const struct dt_object *sub_obj,
697 bool *record_update);
698 int lod_sub_declare_create(const struct lu_env *env, struct dt_object *dt,
699 struct lu_attr *attr,
700 struct dt_allocation_hint *hint,
701 struct dt_object_format *dof, struct thandle *th);
702 int lod_sub_create(const struct lu_env *env, struct dt_object *dt,
703 struct lu_attr *attr, struct dt_allocation_hint *hint,
704 struct dt_object_format *dof, struct thandle *th);
705 int lod_sub_declare_ref_add(const struct lu_env *env, struct dt_object *dt,
707 int lod_sub_ref_add(const struct lu_env *env, struct dt_object *dt,
709 int lod_sub_declare_ref_del(const struct lu_env *env, struct dt_object *dt,
711 int lod_sub_ref_del(const struct lu_env *env, struct dt_object *dt,
713 int lod_sub_declare_destroy(const struct lu_env *env, struct dt_object *dt,
715 int lod_sub_destroy(const struct lu_env *env, struct dt_object *dt,
717 int lod_sub_declare_insert(const struct lu_env *env, struct dt_object *dt,
718 const struct dt_rec *rec, const struct dt_key *key,
720 int lod_sub_insert(const struct lu_env *env, struct dt_object *dt,
721 const struct dt_rec *rec, const struct dt_key *key,
723 int lod_sub_declare_delete(const struct lu_env *env, struct dt_object *dt,
724 const struct dt_key *key, struct thandle *th);
725 int lod_sub_delete(const struct lu_env *env, struct dt_object *dt,
726 const struct dt_key *name, struct thandle *th);
727 int lod_sub_declare_xattr_set(const struct lu_env *env, struct dt_object *dt,
728 const struct lu_buf *buf, const char *name,
729 int fl, struct thandle *th);
730 int lod_sub_xattr_set(const struct lu_env *env, struct dt_object *dt,
731 const struct lu_buf *buf, const char *name, int fl,
733 int lod_sub_declare_attr_set(const struct lu_env *env, struct dt_object *dt,
734 const struct lu_attr *attr, struct thandle *th);
735 int lod_sub_attr_set(const struct lu_env *env, struct dt_object *dt,
736 const struct lu_attr *attr, struct thandle *th);
737 int lod_sub_declare_xattr_del(const struct lu_env *env, struct dt_object *dt,
738 const char *name, struct thandle *th);
739 int lod_sub_xattr_del(const struct lu_env *env, struct dt_object *dt,
740 const char *name, struct thandle *th);
741 int lod_sub_declare_write(const struct lu_env *env, struct dt_object *dt,
742 const struct lu_buf *buf, loff_t pos,
744 ssize_t lod_sub_write(const struct lu_env *env, struct dt_object *dt,
745 const struct lu_buf *buf, loff_t *pos,
747 int lod_sub_declare_punch(const struct lu_env *env, struct dt_object *dt,
748 __u64 start, __u64 end, struct thandle *th);
749 int lod_sub_punch(const struct lu_env *env, struct dt_object *dt,
750 __u64 start, __u64 end, struct thandle *th);
752 int lod_sub_prep_llog(const struct lu_env *env, struct lod_device *lod,
753 struct dt_device *dt, int index);