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 (c) 2013, Intel Corporation.
26 * lustre/lfsck/lfsck_internal.h
28 * Shared definitions and declarations for the LFSCK.
30 * Author: Fan, Yong <fan.yong@intel.com>
33 #ifndef _LFSCK_INTERNAL_H
34 # define _LFSCK_INTERNAL_H
36 #include <lustre/lustre_lfsck_user.h>
37 #include <lustre/lustre_user.h>
38 #include <lustre/lustre_idl.h>
39 #include <lustre_lfsck.h>
41 #include <lu_object.h>
42 #include <dt_object.h>
43 #include <md_object.h>
44 #include <lustre_net.h>
45 #include <lustre_dlm.h>
46 #include <lustre_fid.h>
47 #include <md_object.h>
48 #include <lustre_linkea.h>
50 #define HALF_SEC (HZ >> 1)
51 #define LFSCK_CHECKPOINT_INTERVAL 60
53 #define LFSCK_NAMEENTRY_DEAD 1 /* The object has been unlinked. */
54 #define LFSCK_NAMEENTRY_REMOVED 2 /* The entry has been removed. */
55 #define LFSCK_NAMEENTRY_RECREATED 3 /* The entry has been recreated. */
58 /* Finish the first cycle scanning. */
59 LF_SCANNED_ONCE = 0x00000001ULL,
61 /* There is some namespace inconsistency. */
62 LF_INCONSISTENT = 0x00000002ULL,
64 /* The device is upgraded from 1.8 format. */
65 LF_UPGRADE = 0x00000004ULL,
67 /* The server ever restarted during the LFSCK, and may miss to process
68 * some objects check/repair. */
69 LF_INCOMPLETE = 0x00000008ULL,
71 /* The LAST_ID (file) crashed. */
72 LF_CRASHED_LASTID = 0x00000010ULL,
75 struct lfsck_position {
76 /* low layer object table-based iteration position. */
79 /* parent FID for directory traversal. */
80 struct lu_fid lp_dir_parent;
82 /* namespace-based directory traversal position. */
86 struct lfsck_bookmark {
87 /* Magic number to detect that this struct contains valid data. */
90 /* For compatible with old versions. */
93 /* See 'enum lfsck_param_flags' */
96 /* How many items can be scanned at most per second. */
99 /* The windows size for async requests pipeline. */
100 __u16 lb_async_windows;
102 /* For 64-bits aligned. */
105 /* The FID for .lustre/lost+found/MDTxxxx */
106 struct lu_fid lb_lpf_fid;
108 /* The FID for the last MDT-object created by the LFSCK repairing. */
109 struct lu_fid lb_last_fid;
111 /* For future using. */
112 __u64 lb_reserved[2];
115 struct lfsck_namespace {
116 /* Magic number to detect that this struct contains valid data. */
119 /* See 'enum lfsck_status'. */
122 /* See 'enum lfsck_flags'. */
125 /* How many completed LFSCK runs on the device. */
126 __u32 ln_success_count;
128 /* How long the LFSCK phase1 has run in seconds. */
129 __u32 ln_run_time_phase1;
131 /* How long the LFSCK phase2 has run in seconds. */
132 __u32 ln_run_time_phase2;
134 /* Time for the last LFSCK completed in seconds since epoch. */
135 __u64 ln_time_last_complete;
137 /* Time for the latest LFSCK ran in seconds since epoch. */
138 __u64 ln_time_latest_start;
140 /* Time for the last LFSCK checkpoint in seconds since epoch. */
141 __u64 ln_time_last_checkpoint;
143 /* Position for the latest LFSCK started from. */
144 struct lfsck_position ln_pos_latest_start;
146 /* Position for the last LFSCK checkpoint. */
147 struct lfsck_position ln_pos_last_checkpoint;
149 /* Position for the first should be updated object. */
150 struct lfsck_position ln_pos_first_inconsistent;
152 /* How many items (including dir) have been checked. */
153 __u64 ln_items_checked;
155 /* How many items have been repaired. */
156 __u64 ln_items_repaired;
158 /* How many items failed to be processed. */
159 __u64 ln_items_failed;
161 /* How many directories have been traversed. */
162 __u64 ln_dirs_checked;
164 /* How many multiple-linked objects have been checked. */
165 __u64 ln_mlinked_checked;
167 /* How many objects have been double scanned. */
168 __u64 ln_objs_checked_phase2;
170 /* How many objects have been reparied during double scan. */
171 __u64 ln_objs_repaired_phase2;
173 /* How many objects failed to be processed during double scan. */
174 __u64 ln_objs_failed_phase2;
176 /* How many objects with nlink fixed. */
177 __u64 ln_objs_nlink_repaired;
179 /* How many objects were lost before, but found back now. */
180 __u64 ln_objs_lost_found;
182 /* The latest object has been processed (failed) during double scan. */
183 struct lu_fid ln_fid_latest_scanned_phase2;
185 /* How many FID-in-dirent entries have been repaired. */
186 __u64 ln_dirent_repaired;
188 /* How many linkEA entries have been repaired. */
189 __u64 ln_linkea_repaired;
192 enum lfsck_layout_inconsistency_type {
195 LLIT_UNMATCHED_PAIR = 2,
196 LLIT_MULTIPLE_REFERENCED = 3,
198 LLIT_INCONSISTENT_OWNER = 5,
200 LLIT_MAX = LLIT_OTHERS
203 struct lfsck_layout {
204 /* Magic number to detect that this struct contains valid data. */
207 /* See 'enum lfsck_status'. */
210 /* See 'enum lfsck_flags'. */
213 /* How many completed LFSCK runs on the device. */
214 __u32 ll_success_count;
216 /* How long the LFSCK phase1 has run in seconds. */
217 __u32 ll_run_time_phase1;
219 /* How long the LFSCK phase2 has run in seconds. */
220 __u32 ll_run_time_phase2;
222 /* Time for the last LFSCK completed in seconds since epoch. */
223 __u64 ll_time_last_complete;
225 /* Time for the latest LFSCK ran in seconds since epoch. */
226 __u64 ll_time_latest_start;
228 /* Time for the last LFSCK checkpoint in seconds since epoch. */
229 __u64 ll_time_last_checkpoint;
231 /* Position for the latest LFSCK started from. */
232 __u64 ll_pos_latest_start;
234 /* Position for the last LFSCK checkpoint. */
235 __u64 ll_pos_last_checkpoint;
237 /* Position for the first object to be fixed or
238 * failed to be checked in the phase1. */
239 __u64 ll_pos_first_inconsistent;
241 /* How many objects have been checked. */
242 __u64 ll_objs_checked_phase1;
244 /* How many objects failed to be processed. */
245 __u64 ll_objs_failed_phase1;
247 /* How many objects have been double scanned. */
248 __u64 ll_objs_checked_phase2;
250 /* How many objects failed to be processed during double scan. */
251 __u64 ll_objs_failed_phase2;
253 /* kinds of inconsistency have been or to be repaired.
254 * ll_objs_repaired[type - 1] is the count for the given @type. */
255 __u64 ll_objs_repaired[LLIT_MAX];
257 /* How many objects have been skipped because of related
258 * MDT(s)/OST(s) do not participate in the LFSCK */
259 __u64 ll_objs_skipped;
261 /* For further using. 256-bytes aligned now. */
262 __u64 ll_reserved[12];
265 struct lfsck_component;
266 struct lfsck_tgt_descs;
267 struct lfsck_tgt_desc;
269 struct lfsck_operations {
270 int (*lfsck_reset)(const struct lu_env *env,
271 struct lfsck_component *com,
274 void (*lfsck_fail)(const struct lu_env *env,
275 struct lfsck_component *com,
278 int (*lfsck_checkpoint)(const struct lu_env *env,
279 struct lfsck_component *com,
282 int (*lfsck_prep)(const struct lu_env *env,
283 struct lfsck_component *com,
284 struct lfsck_start_param *lsp);
286 int (*lfsck_exec_oit)(const struct lu_env *env,
287 struct lfsck_component *com,
288 struct dt_object *obj);
290 int (*lfsck_exec_dir)(const struct lu_env *env,
291 struct lfsck_component *com,
292 struct dt_object *obj,
293 struct lu_dirent *ent);
295 int (*lfsck_post)(const struct lu_env *env,
296 struct lfsck_component *com,
300 int (*lfsck_interpret)(const struct lu_env *env,
301 struct ptlrpc_request *req,
305 int (*lfsck_dump)(const struct lu_env *env,
306 struct lfsck_component *com,
309 int (*lfsck_double_scan)(const struct lu_env *env,
310 struct lfsck_component *com);
312 void (*lfsck_data_release)(const struct lu_env *env,
313 struct lfsck_component *com);
315 void (*lfsck_quit)(const struct lu_env *env,
316 struct lfsck_component *com);
318 int (*lfsck_in_notify)(const struct lu_env *env,
319 struct lfsck_component *com,
320 struct lfsck_request *lr);
322 int (*lfsck_query)(const struct lu_env *env,
323 struct lfsck_component *com);
325 int (*lfsck_stop_notify)(const struct lu_env *env,
326 struct lfsck_component *com,
327 struct lfsck_tgt_descs *ltds,
328 struct lfsck_tgt_desc *ltd,
329 struct ptlrpc_request_set *set);
331 int (*lfsck_join)(const struct lu_env *env,
332 struct lfsck_component *com,
333 struct lfsck_start_param *lsp);
336 #define TGT_PTRS 256 /* number of pointers at 1st level */
337 #define TGT_PTRS_PER_BLOCK 256 /* number of pointers at 2nd level */
339 struct lfsck_tgt_desc {
340 struct list_head ltd_orphan_list;
341 struct dt_device *ltd_tgt;
342 struct dt_device *ltd_key;
343 struct obd_export *ltd_exp;
344 struct list_head ltd_layout_list;
345 struct list_head ltd_layout_phase_list;
348 __u32 ltd_layout_gen;
349 unsigned int ltd_dead:1,
353 struct lfsck_tgt_desc_idx {
354 struct lfsck_tgt_desc *ldi_tgts[TGT_PTRS_PER_BLOCK];
357 struct lfsck_tgt_descs {
358 /* list of known TGTs */
359 struct lfsck_tgt_desc_idx *ltd_tgts_idx[TGT_PTRS];
361 /* bitmap of TGTs available */
362 cfs_bitmap_t *ltd_tgts_bitmap;
364 /* for lfsck_tgt_desc::ltd_xxx_list */
367 /* for tgts table accessing and changes */
368 struct rw_semaphore ltd_rw_sem;
370 /* Temporary list for orphan targets. */
371 struct list_head ltd_orphan;
373 /* number of registered TGTs */
377 #define LTD_TGT(ltd, index) \
378 ((ltd)->ltd_tgts_idx[(index) / TGT_PTRS_PER_BLOCK]->\
379 ldi_tgts[(index) % TGT_PTRS_PER_BLOCK])
381 #define OST_TGT(lfsck, index) LTD_TGT(&lfsck->li_ost_descs, index)
382 #define MDT_TGT(lfsck, index) LTD_TGT(&lfsck->li_mdt_descs, index)
384 struct lfsck_component {
385 /* into lfsck_instance::li_list_(scan,double_scan,idle} */
386 struct list_head lc_link;
388 /* into lfsck_instance::li_list_dir */
389 struct list_head lc_link_dir;
391 struct rw_semaphore lc_sem;
394 struct lfsck_position lc_pos_start;
395 struct lfsck_instance *lc_lfsck;
396 struct dt_object *lc_obj;
397 struct lfsck_operations *lc_ops;
401 struct lu_fid lc_fid_latest_scanned_phase2;
403 /* The time for last checkpoint, jiffies */
404 cfs_time_t lc_time_last_checkpoint;
406 /* The time for next checkpoint, jiffies */
407 cfs_time_t lc_time_next_checkpoint;
411 /* How many objects have been checked since last checkpoint. */
412 __u32 lc_new_checked;
414 /* How many objects have been scanned since last sleep. */
415 __u32 lc_new_scanned;
417 unsigned int lc_journal:1;
421 struct lfsck_instance {
422 struct mutex li_mutex;
425 /* Link into the lfsck_instance_list. */
426 struct list_head li_link;
428 /* For the components in (first) scanning via otable-based iteration. */
429 struct list_head li_list_scan;
431 /* For the components in scanning via directory traversal. Because
432 * directory traversal cannot guarantee all the object be scanned,
433 * so the component in the li_list_dir must be in li_list_scan. */
434 struct list_head li_list_dir;
436 /* For the components in double scanning. */
437 struct list_head li_list_double_scan;
439 /* For the components those are not scanning now. */
440 struct list_head li_list_idle;
443 atomic_t li_double_scan_count;
444 struct ptlrpc_thread li_thread;
446 /* The time for last checkpoint, jiffies */
447 cfs_time_t li_time_last_checkpoint;
449 /* The time for next checkpoint, jiffies */
450 cfs_time_t li_time_next_checkpoint;
452 lfsck_out_notify li_out_notify;
453 void *li_out_notify_data;
454 struct dt_device *li_next;
455 struct dt_device *li_bottom;
456 struct obd_device *li_obd;
457 struct ldlm_namespace *li_namespace;
458 struct local_oid_storage *li_los;
459 struct lu_fid li_local_root_fid; /* backend root "/" */
460 struct lu_fid li_global_root_fid; /* /ROOT */
461 struct dt_object *li_bookmark_obj;
462 struct dt_object *li_lpf_obj;
463 struct lu_client_seq *li_seq;
464 struct lfsck_bookmark li_bookmark_ram;
465 struct lfsck_bookmark li_bookmark_disk;
466 struct lfsck_position li_pos_current;
468 /* Obj for otable-based iteration */
469 struct dt_object *li_obj_oit;
471 /* Obj for directory traversal */
472 struct dt_object *li_obj_dir;
474 /* It for otable-based iteration */
475 struct dt_it *li_di_oit;
477 /* It for directory traversal */
478 struct dt_it *li_di_dir;
480 /* Description of OST */
481 struct lfsck_tgt_descs li_ost_descs;
483 /* Description of MDT */
484 struct lfsck_tgt_descs li_mdt_descs;
486 /* namespace-based directory traversal position. */
489 /* Arguments for low layer otable-based iteration. */
492 /* Arugments for namespace-based directory traversal. */
495 /* Schedule for every N objects. */
498 /* Sleep N jiffies for each schedule. */
501 /* How many objects have been scanned since last sleep. */
502 __u32 li_new_scanned;
504 /* The status when the LFSCK stopped or paused. */
507 /* The flags when the lFSCK stopped or paused. */
510 unsigned int li_oit_over:1, /* oit is finished. */
511 li_drop_dryrun:1, /* Ever dryrun, not now. */
512 li_master:1, /* Master instance or not. */
513 li_current_oit_processed:1,
517 enum lfsck_linkea_flags {
518 /* The linkea entries does not match the object nlinks. */
519 LLF_UNMATCH_NLINKS = 0x01,
521 /* Fail to repair the multiple-linked objects during the double scan. */
522 LLF_REPAIR_FAILED = 0x02,
525 struct lfsck_async_interpret_args {
526 struct lfsck_component *laia_com;
527 struct lfsck_tgt_descs *laia_ltds;
528 struct lfsck_tgt_desc *laia_ltd;
529 struct lfsck_request *laia_lr;
531 unsigned int laia_shared:1;
534 struct lfsck_thread_args {
535 struct lu_env lta_env;
536 struct lfsck_instance *lta_lfsck;
537 struct lfsck_component *lta_com;
538 struct lfsck_start_param *lta_lsp;
541 #define LFSCK_TMPBUF_LEN 64
543 struct lfsck_thread_info {
544 struct lu_name lti_name;
545 struct lu_buf lti_buf;
546 struct lu_buf lti_linkea_buf;
547 struct lu_buf lti_big_buf;
548 struct lu_fid lti_fid;
549 struct lu_fid lti_fid2;
550 struct lu_fid lti_fid3;
551 struct lu_attr lti_la;
552 struct lu_attr lti_la2;
553 struct lu_attr lti_la3;
554 struct ost_id lti_oi;
556 struct lustre_mdt_attrs lti_lma;
557 /* old LMA for compatibility */
558 char lti_lma_old[LMA_OLD_SIZE];
560 struct dt_object_format lti_dof;
561 /* There will be '\0' at the end of the name. */
562 char lti_key[sizeof(struct lu_dirent) + NAME_MAX + 1];
563 char lti_tmpbuf[LFSCK_TMPBUF_LEN];
564 struct lfsck_request lti_lr;
565 struct lfsck_async_interpret_args lti_laia;
566 struct lfsck_start lti_start;
567 struct lfsck_stop lti_stop;
568 ldlm_policy_data_t lti_policy;
569 struct ldlm_res_id lti_resid;
571 struct filter_fid_old lti_old_pfid;
572 struct filter_fid lti_new_pfid;
574 struct dt_allocation_hint lti_hint;
575 struct lu_orphan_rec lti_rec;
576 struct lov_user_md lti_lum;
577 struct dt_insert_rec lti_dt_rec;
578 struct lu_object_conf lti_conf;
582 int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck,
583 struct lu_fid *fid, bool locked);
584 int lfsck_create_lpf(const struct lu_env *env, struct lfsck_instance *lfsck);
585 struct lfsck_instance *lfsck_instance_find(struct dt_device *key, bool ref,
587 struct lfsck_component *lfsck_component_find(struct lfsck_instance *lfsck,
589 const char *lfsck_status2names(enum lfsck_status status);
590 void lfsck_component_cleanup(const struct lu_env *env,
591 struct lfsck_component *com);
592 void lfsck_instance_cleanup(const struct lu_env *env,
593 struct lfsck_instance *lfsck);
594 int lfsck_bits_dump(struct seq_file *m, int bits, const char *names[],
596 int lfsck_time_dump(struct seq_file *m, __u64 time, const char *prefix);
597 int lfsck_pos_dump(struct seq_file *m, struct lfsck_position *pos,
599 void lfsck_pos_fill(const struct lu_env *env, struct lfsck_instance *lfsck,
600 struct lfsck_position *pos, bool init);
601 bool __lfsck_set_speed(struct lfsck_instance *lfsck, __u32 limit);
602 void lfsck_control_speed(struct lfsck_instance *lfsck);
603 void lfsck_control_speed_by_self(struct lfsck_component *com);
604 struct lfsck_thread_args *lfsck_thread_args_init(struct lfsck_instance *lfsck,
605 struct lfsck_component *com,
606 struct lfsck_start_param *lsp);
607 void lfsck_thread_args_fini(struct lfsck_thread_args *lta);
608 int lfsck_async_request(const struct lu_env *env, struct obd_export *exp,
609 struct lfsck_request *lr,
610 struct ptlrpc_request_set *set,
611 ptlrpc_interpterer_t interpterer,
612 void *args, int request);
615 int lfsck_master_engine(void *args);
617 /* lfsck_bookmark.c */
618 void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des,
619 struct lfsck_bookmark *src);
620 int lfsck_bookmark_store(const struct lu_env *env,
621 struct lfsck_instance *lfsck);
622 int lfsck_bookmark_setup(const struct lu_env *env,
623 struct lfsck_instance *lfsck);
624 int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck,
625 struct lfsck_start *start, bool reset);
627 /* lfsck_namespace.c */
628 int lfsck_verify_linkea(const struct lu_env *env, struct dt_device *dev,
629 struct dt_object *obj, const struct lu_name *cname,
630 const struct lu_fid *pfid);
631 int lfsck_namespace_setup(const struct lu_env *env,
632 struct lfsck_instance *lfsck);
635 int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck);
637 extern const char *lfsck_flags_names[];
638 extern const char *lfsck_param_names[];
639 extern struct lu_context_key lfsck_thread_key;
641 static inline struct dt_device *lfsck_obj2dt_dev(struct dt_object *obj)
643 return container_of0(obj->do_lu.lo_dev, struct dt_device, dd_lu_dev);
646 static inline struct lfsck_thread_info *
647 lfsck_env_info(const struct lu_env *env)
649 struct lfsck_thread_info *info;
651 info = lu_context_key_get(&env->le_ctx, &lfsck_thread_key);
652 LASSERT(info != NULL);
656 static inline const struct lu_name *
657 lfsck_name_get_const(const struct lu_env *env, const void *area, ssize_t len)
659 struct lu_name *lname;
661 lname = &lfsck_env_info(env)->lti_name;
662 lname->ln_name = area;
663 lname->ln_namelen = len;
668 lfsck_buf_init(struct lu_buf *buf, void *area, ssize_t len)
674 static inline struct lu_buf *
675 lfsck_buf_get(const struct lu_env *env, void *area, ssize_t len)
679 buf = &lfsck_env_info(env)->lti_buf;
685 static inline const struct lu_buf *
686 lfsck_buf_get_const(const struct lu_env *env, const void *area, ssize_t len)
690 buf = &lfsck_env_info(env)->lti_buf;
691 buf->lb_buf = (void *)area;
696 static inline char *lfsck_lfsck2name(struct lfsck_instance *lfsck)
698 return lfsck->li_bottom->dd_lu_dev.ld_obd->obd_name;
701 static inline const struct lu_fid *lfsck_dto2fid(const struct dt_object *obj)
703 return lu_object_fid(&obj->do_lu);
706 static inline void lfsck_pos_set_zero(struct lfsck_position *pos)
708 memset(pos, 0, sizeof(*pos));
711 static inline int lfsck_pos_is_zero(const struct lfsck_position *pos)
713 return pos->lp_oit_cookie == 0 && fid_is_zero(&pos->lp_dir_parent);
716 static inline int lfsck_pos_is_eq(const struct lfsck_position *pos1,
717 const struct lfsck_position *pos2)
719 if (pos1->lp_oit_cookie < pos2->lp_oit_cookie)
722 if (pos1->lp_oit_cookie > pos2->lp_oit_cookie)
725 if (fid_is_zero(&pos1->lp_dir_parent) &&
726 !fid_is_zero(&pos2->lp_dir_parent))
729 if (!fid_is_zero(&pos1->lp_dir_parent) &&
730 fid_is_zero(&pos2->lp_dir_parent))
733 if (fid_is_zero(&pos1->lp_dir_parent) &&
734 fid_is_zero(&pos2->lp_dir_parent))
737 LASSERT(lu_fid_eq(&pos1->lp_dir_parent, &pos2->lp_dir_parent));
739 if (pos1->lp_dir_cookie < pos2->lp_dir_cookie)
742 if (pos1->lp_dir_cookie > pos2->lp_dir_cookie)
748 static void inline lfsck_position_le_to_cpu(struct lfsck_position *des,
749 struct lfsck_position *src)
751 des->lp_oit_cookie = le64_to_cpu(src->lp_oit_cookie);
752 fid_le_to_cpu(&des->lp_dir_parent, &src->lp_dir_parent);
753 des->lp_dir_cookie = le64_to_cpu(src->lp_dir_cookie);
756 static void inline lfsck_position_cpu_to_le(struct lfsck_position *des,
757 struct lfsck_position *src)
759 des->lp_oit_cookie = cpu_to_le64(src->lp_oit_cookie);
760 fid_cpu_to_le(&des->lp_dir_parent, &src->lp_dir_parent);
761 des->lp_dir_cookie = cpu_to_le64(src->lp_dir_cookie);
764 static inline umode_t lfsck_object_type(const struct dt_object *obj)
766 return lu_object_attr(&obj->do_lu);
769 static inline int lfsck_is_dead_obj(const struct dt_object *obj)
771 struct lu_object_header *loh = obj->do_lu.lo_header;
773 return !!test_bit(LU_OBJECT_HEARD_BANSHEE, &loh->loh_flags);
776 static inline struct dt_object *lfsck_object_get(struct dt_object *obj)
778 lu_object_get(&obj->do_lu);
782 static inline void lfsck_object_put(const struct lu_env *env,
783 struct dt_object *obj)
785 lu_object_put(env, &obj->do_lu);
788 static inline struct dt_object *
789 lfsck_object_find_by_dev_nowait(const struct lu_env *env, struct dt_device *dev,
790 const struct lu_fid *fid)
792 struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf;
793 struct dt_object *obj;
795 conf->loc_flags = LOC_F_NOWAIT;
796 obj = lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf));
797 if (unlikely(obj == NULL))
798 return ERR_PTR(-ENOENT);
803 static inline struct dt_object *
804 lfsck_object_find_by_dev(const struct lu_env *env, struct dt_device *dev,
805 const struct lu_fid *fid)
807 struct dt_object *obj;
809 obj = lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL));
810 if (unlikely(obj == NULL))
811 return ERR_PTR(-ENOENT);
816 static inline struct dt_object *lfsck_object_find(const struct lu_env *env,
817 struct lfsck_instance *lfsck,
818 const struct lu_fid *fid)
820 return lfsck_object_find_by_dev(env, lfsck->li_next, fid);
823 static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
826 struct lfsck_tgt_desc *ltd;
828 ltd = LTD_TGT(ltds, index);
830 atomic_inc(<d->ltd_ref);
835 static inline void lfsck_tgt_put(struct lfsck_tgt_desc *ltd)
837 if (atomic_dec_and_test(<d->ltd_ref))
841 static inline struct lfsck_component *
842 lfsck_component_get(struct lfsck_component *com)
844 atomic_inc(&com->lc_ref);
849 static inline void lfsck_component_put(const struct lu_env *env,
850 struct lfsck_component *com)
852 if (atomic_dec_and_test(&com->lc_ref)) {
853 if (com->lc_obj != NULL)
854 lu_object_put_nocache(env, &com->lc_obj->do_lu);
855 if (com->lc_file_ram != NULL)
856 OBD_FREE(com->lc_file_ram, com->lc_file_size);
857 if (com->lc_file_disk != NULL)
858 OBD_FREE(com->lc_file_disk, com->lc_file_size);
859 if (com->lc_data != NULL) {
860 LASSERT(com->lc_ops->lfsck_data_release != NULL);
862 com->lc_ops->lfsck_data_release(env, com);
869 static inline struct lfsck_instance *
870 lfsck_instance_get(struct lfsck_instance *lfsck)
872 atomic_inc(&lfsck->li_ref);
877 static inline void lfsck_instance_put(const struct lu_env *env,
878 struct lfsck_instance *lfsck)
880 if (atomic_dec_and_test(&lfsck->li_ref))
881 lfsck_instance_cleanup(env, lfsck);
884 static inline u32 lfsck_dev_idx(struct dt_device *dev)
886 return dev->dd_lu_dev.ld_site->ld_seq_site->ss_node_id;
889 #endif /* _LFSCK_INTERNAL_H */