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, 2017, 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_lfsck.h>
38 #include <lu_object.h>
39 #include <dt_object.h>
40 #include <md_object.h>
41 #include <lustre_net.h>
42 #include <lustre_dlm.h>
43 #include <lustre_fid.h>
44 #include <md_object.h>
45 #include <lustre_linkea.h>
47 #define LFSCK_CHECKPOINT_INTERVAL 60
50 /* Finish the first cycle scanning. */
51 LF_SCANNED_ONCE = 0x00000001ULL,
53 /* There is some namespace inconsistency. */
54 LF_INCONSISTENT = 0x00000002ULL,
56 /* The device is upgraded from 1.8 format. */
57 LF_UPGRADE = 0x00000004ULL,
59 /* Server restarted during LFSCK may miss to process obj check/repair */
60 LF_INCOMPLETE = 0x00000008ULL,
62 /* The LAST_ID (file) crashed. */
63 LF_CRASHED_LASTID = 0x00000010ULL,
66 struct lfsck_position {
67 /* low layer object table-based iteration position. */
70 /* parent FID for directory traversal. */
71 struct lu_fid lp_dir_parent;
73 /* namespace-based directory traversal position. */
77 struct lfsck_bookmark {
78 /* Magic number to detect that this struct contains valid data. */
81 /* For compatible with old versions. */
84 /* See 'enum lfsck_param_flags' */
87 /* How many items can be scanned at most per second. */
90 /* The windows size for async requests pipeline. */
91 __u16 lb_async_windows;
93 /* For 64-bits aligned. */
96 /* The FID for .lustre/lost+found/MDTxxxx */
97 struct lu_fid lb_lpf_fid;
99 /* The FID for the last MDT-object created by the LFSCK repairing. */
100 struct lu_fid lb_last_fid;
102 /* For future using. */
103 __u64 lb_reserved[2];
106 enum lfsck_namespace_trace_flags {
107 LNTF_CHECK_LINKEA = 0x01,
108 LNTF_CHECK_PARENT = 0x02,
109 LNTF_CHECK_ORPHAN = 0x08,
110 LNTF_UNCERTAIN_LMV = 0x10,
111 LNTF_RECHECK_NAME_HASH = 0x20,
112 LNTF_CHECK_AGENT_ENTRY = 0x40,
116 enum lfsck_namespace_inconsistency_type {
119 LNIT_UNMATCHED_PAIRS = 2,
126 struct lfsck_namespace {
127 /* Magic number to detect that this struct contains valid data. */
130 /* See 'enum lfsck_status'. */
133 /* See 'enum lfsck_flags'. */
136 /* How many completed LFSCK runs on the device. */
137 __u32 ln_success_count;
139 /* How long the LFSCK phase1 has run in seconds. */
140 time64_t ln_run_time_phase1;
142 /* How long the LFSCK phase2 has run in seconds. */
143 time64_t ln_run_time_phase2;
145 /* Time for the last LFSCK completed in seconds since epoch. */
146 time64_t ln_time_last_complete;
148 /* Time for the latest LFSCK ran in seconds since epoch. */
149 time64_t ln_time_latest_start;
151 /* Time for the last LFSCK checkpoint in seconds since epoch. */
152 time64_t ln_time_last_checkpoint;
154 /* Position for the latest LFSCK started from. */
155 struct lfsck_position ln_pos_latest_start;
157 /* Position for the last LFSCK checkpoint. */
158 struct lfsck_position ln_pos_last_checkpoint;
160 /* Position for the first should be updated object. */
161 struct lfsck_position ln_pos_first_inconsistent;
163 /* How many items (including dir) have been checked. */
164 __u64 ln_items_checked;
166 /* How many items have been repaired. */
167 __u64 ln_items_repaired;
169 /* How many items failed to be processed. */
170 __u64 ln_items_failed;
172 /* How many directories have been traversed. */
173 __u64 ln_dirs_checked;
175 /* How many objects have been double scanned. */
176 __u64 ln_objs_checked_phase2;
178 /* How many objects have been reparied during double scan. */
179 __u64 ln_objs_repaired_phase2;
181 /* How many objects failed to be processed during double scan. */
182 __u64 ln_objs_failed_phase2;
184 /* How many objects with nlink fixed. */
185 __u64 ln_objs_nlink_repaired;
187 /* The latest object has been processed (failed) during double scan. */
188 struct lu_fid ln_fid_latest_scanned_phase2;
190 /* How many FID-in-dirent entries have been repaired. */
191 __u64 ln_dirent_repaired;
193 /* How many linkEA entries have been repaired. */
194 __u64 ln_linkea_repaired;
196 /* How many multiple-linked objects have been checked. */
197 __u64 ln_mul_linked_checked;
199 /* How many multiple-linked objects have been repaired. */
200 __u64 ln_mul_linked_repaired;
202 /* How many undefined inconsistency found in phase2. */
203 __u64 ln_unknown_inconsistency;
205 /* How many unmatched pairs have been repaired. */
206 __u64 ln_unmatched_pairs_repaired;
208 /* How many dangling name entries have been found/repaired. */
209 __u64 ln_dangling_repaired;
211 /* How many multiple referenced name entries have been found/repaired */
212 __u64 ln_mul_ref_repaired;
214 /* How many name entries with bad file type have been repaired. */
215 __u64 ln_bad_type_repaired;
217 /* How many lost name entries have been re-inserted. */
218 __u64 ln_lost_dirent_repaired;
220 /* How many objects under /lost+found have been scanned. */
221 __u64 ln_local_lpf_scanned;
223 /* How many obj under lost+found moved to namespace visible directory */
224 __u64 ln_local_lpf_moved;
226 /* How many objects under /lost+found have been skipped. */
227 __u64 ln_local_lpf_skipped;
229 /* How many objects under /lost+found failed to be processed. */
230 __u64 ln_local_lpf_failed;
232 /* How many striped directories (master) have been scanned. */
233 __u64 ln_striped_dirs_scanned;
235 /* How many striped directories (master) have been repaired. */
236 __u64 ln_striped_dirs_repaired;
238 /* How many striped directories (master) failed verification. */
239 __u64 ln_striped_dirs_failed;
241 /* How many striped directories (master) has been disabled. */
242 __u64 ln_striped_dirs_disabled;
244 /* How many striped directory's (master) have been skipped
245 * (for shards verification) because of lost master LMV EA.
247 __u64 ln_striped_dirs_skipped;
249 /* How many striped directory's shards (slave) have been scanned. */
250 __u64 ln_striped_shards_scanned;
252 /* How many striped directory's shards (slave) have been repaired. */
253 __u64 ln_striped_shards_repaired;
255 /* How many striped directory's shards (slave) failed verification. */
256 __u64 ln_striped_shards_failed;
258 /* How many striped directory's shards (slave) have been skipped
259 * (for name hash verification) because do not know whether the slave
260 * LMV EA is valid or not.
262 __u64 ln_striped_shards_skipped;
264 /* How many name entries under striped directory with bad name
265 * hash have been repaired.
267 __u64 ln_name_hash_repaired;
269 /* The size of MDT targets bitmap with nbits. Such bitmap records
270 * the MDTs that contain non-verified MDT-objects.
272 __u32 ln_bitmap_size;
274 /* For further using. 256-bytes aligned now. */
277 /* Time for the latest LFSCK scan in seconds from the beginning. */
278 time64_t ln_time_latest_reset;
280 /* How many linkEA overflow timestamp have been cleared. */
281 __u64 ln_linkea_overflow_cleared;
283 /* How many agent entries have been repaired. */
284 __u64 ln_agent_entries_repaired;
286 /* For further using. 256-bytes aligned now. */
287 __u64 ln_reserved[11];
290 enum lfsck_layout_inconsistency_type {
293 LLIT_UNMATCHED_PAIR = 2,
294 LLIT_MULTIPLE_REFERENCED = 3,
296 LLIT_INCONSISTENT_OWNER = 5,
298 LLIT_MAX = LLIT_OTHERS
301 struct lfsck_layout {
302 /* Magic number to detect that this struct contains valid data. */
305 /* See 'enum lfsck_status'. */
308 /* See 'enum lfsck_flags'. */
311 /* How many completed LFSCK runs on the device. */
312 __u32 ll_success_count;
314 /* How long the LFSCK phase1 has run in seconds. */
315 time64_t ll_run_time_phase1;
317 /* How long the LFSCK phase2 has run in seconds. */
318 time64_t ll_run_time_phase2;
320 /* Time for the last LFSCK completed in seconds since epoch. */
321 time64_t ll_time_last_complete;
323 /* Time for the latest LFSCK ran in seconds since epoch. */
324 time64_t ll_time_latest_start;
326 /* Time for the last LFSCK checkpoint in seconds since epoch. */
327 time64_t ll_time_last_checkpoint;
329 /* Position for the latest LFSCK started from. */
330 __u64 ll_pos_latest_start;
332 /* Position for the last LFSCK checkpoint. */
333 __u64 ll_pos_last_checkpoint;
335 /* Position for first obj to be fixed/failed to be checked in phase1. */
336 __u64 ll_pos_first_inconsistent;
338 /* How many objects have been checked. */
339 __u64 ll_objs_checked_phase1;
341 /* How many objects failed to be processed. */
342 __u64 ll_objs_failed_phase1;
344 /* How many objects have been double scanned. */
345 __u64 ll_objs_checked_phase2;
347 /* How many objects failed to be processed during double scan. */
348 __u64 ll_objs_failed_phase2;
350 /* kinds of inconsistency have been or to be repaired.
351 * ll_objs_repaired[type - 1] is the count for the given @type.
353 __u64 ll_objs_repaired[LLIT_MAX];
355 /* How many objects have been skipped because of related
356 * MDT(s)/OST(s) do not participate in the LFSCK
358 __u64 ll_objs_skipped;
360 /* The size of ll_ost_bitmap with nbits. */
361 __u32 ll_bitmap_size;
363 /* For further using. 256-bytes aligned now. */
366 /* The latest object has been processed (failed) during double scan. */
367 struct lfsck_layout_dangling_key ll_lldk_latest_scanned_phase2;
369 /* For further using */
370 u64 ll_reserved_2[7];
372 /* OST target bitmap to record OSTs that contain non-verified OST-obj */
373 __u8 ll_ost_bitmap[0];
376 struct lfsck_assistant_object {
377 struct lu_fid lso_fid;
378 __u64 lso_oit_cookie;
379 struct lu_attr lso_attr;
381 unsigned int lso_dead:1,
385 struct lfsck_component;
386 struct lfsck_tgt_descs;
387 struct lfsck_tgt_desc;
389 struct lfsck_operations {
390 int (*lfsck_reset)(const struct lu_env *env,
391 struct lfsck_component *com,
394 void (*lfsck_fail)(const struct lu_env *env,
395 struct lfsck_component *com,
398 void (*lfsck_close_dir)(const struct lu_env *env,
399 struct lfsck_component *com);
401 int (*lfsck_open_dir)(const struct lu_env *env,
402 struct lfsck_component *com);
404 int (*lfsck_checkpoint)(const struct lu_env *env,
405 struct lfsck_component *com,
408 int (*lfsck_prep)(const struct lu_env *env,
409 struct lfsck_component *com,
410 struct lfsck_start_param *lsp);
412 int (*lfsck_exec_oit)(const struct lu_env *env,
413 struct lfsck_component *com,
414 struct dt_object *obj);
416 int (*lfsck_exec_dir)(const struct lu_env *env,
417 struct lfsck_component *com,
418 struct lfsck_assistant_object *lso,
419 struct lu_dirent *ent,
422 int (*lfsck_post)(const struct lu_env *env,
423 struct lfsck_component *com,
427 void (*lfsck_dump)(const struct lu_env *env,
428 struct lfsck_component *com,
431 int (*lfsck_double_scan)(const struct lu_env *env,
432 struct lfsck_component *com);
434 void (*lfsck_data_release)(const struct lu_env *env,
435 struct lfsck_component *com);
437 void (*lfsck_quit)(const struct lu_env *env,
438 struct lfsck_component *com);
440 int (*lfsck_in_notify_local)(const struct lu_env *env,
441 struct lfsck_component *com,
442 struct lfsck_req_local *lrl,
445 int (*lfsck_in_notify)(const struct lu_env *env,
446 struct lfsck_component *com,
447 struct lfsck_request *lr);
449 int (*lfsck_query)(const struct lu_env *env,
450 struct lfsck_component *com,
451 struct lfsck_request *req,
452 struct lfsck_reply *rep,
453 struct lfsck_query *que, int idx);
455 int (*lfsck_join)(const struct lu_env *env,
456 struct lfsck_component *com,
457 struct lfsck_start_param *lsp);
460 struct lfsck_tgt_desc {
461 struct list_head ltd_orphan_list;
462 struct dt_device *ltd_tgt;
463 struct dt_device *ltd_key;
464 struct obd_export *ltd_exp;
465 struct list_head ltd_layout_list;
466 struct list_head ltd_layout_phase_list;
467 struct list_head ltd_namespace_list;
468 struct list_head ltd_namespace_phase_list;
469 __u32 ltd_layout_status;
470 __u32 ltd_namespace_status;
471 __u64 ltd_layout_repaired;
472 __u64 ltd_namespace_repaired;
475 __u32 ltd_layout_gen;
476 __u32 ltd_namespace_gen;
477 unsigned int ltd_dead:1,
480 ltd_namespace_done:1,
481 ltd_synced_failures:1;
484 struct lfsck_tgt_desc_idx {
485 struct lfsck_tgt_desc *ldi_tgts[TGT_PTRS_PER_BLOCK];
488 struct lfsck_tgt_descs {
489 /* list of known TGTs */
490 struct lfsck_tgt_desc_idx *ltd_tgts_idx[TGT_PTRS];
492 /* bitmap of TGTs available */
493 unsigned long *ltd_tgts_bitmap;
494 u32 ltd_tgts_mask_len;
496 /* for lfsck_tgt_desc::ltd_xxx_list */
499 /* for tgts table accessing and changes */
500 struct rw_semaphore ltd_rw_sem;
502 /* Temporary list for orphan targets. */
503 struct list_head ltd_orphan;
505 /* number of registered TGTs */
509 static inline struct lfsck_tgt_desc *
510 lfsck_ltd2tgt(struct lfsck_tgt_descs *ltd, __u32 index)
512 __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
513 __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
514 struct lfsck_tgt_desc *__tgt = NULL;
516 if (unlikely(idx1 >= TGT_PTRS))
517 CDEBUG(D_LFSCK, "The target idx %u is invalid.\n", index);
518 else if (likely(ltd->ltd_tgts_idx[idx1] != NULL))
519 __tgt = ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2];
524 static inline void lfsck_assign_tgt(struct lfsck_tgt_descs *ltd,
525 struct lfsck_tgt_desc *tgt, __u32 index)
527 __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
528 __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
530 if (likely(idx1 < TGT_PTRS && ltd->ltd_tgts_idx[idx1] != NULL))
531 ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2] = tgt;
534 #define LFSCK_STF_BITS 4
535 /* If want to adjust the LFSCK_STF_COUNT, please change LFSCK_STF_BITS. */
536 #define LFSCK_STF_COUNT (1 << LFSCK_STF_BITS)
538 struct lfsck_sub_trace_obj {
539 struct dt_object *lsto_obj;
540 struct mutex lsto_mutex;
543 struct lfsck_component {
544 /* into lfsck_instance::li_list_(scan,double_scan,idle} */
545 struct list_head lc_link;
547 /* into lfsck_instance::li_list_dir */
548 struct list_head lc_link_dir;
550 struct rw_semaphore lc_sem;
553 struct lfsck_position lc_pos_start;
554 struct lfsck_instance *lc_lfsck;
555 struct dt_object *lc_obj;
556 struct lfsck_sub_trace_obj lc_sub_trace_objs[LFSCK_STF_COUNT];
557 const struct lfsck_operations *lc_ops;
561 struct lu_fid lc_fid_latest_scanned_phase2;
563 /* The time for last checkpoint, seconds */
564 time64_t lc_time_last_checkpoint;
566 /* The time for next checkpoint, seconds */
567 time64_t lc_time_next_checkpoint;
571 /* How many objects have been checked since last checkpoint. */
572 __u32 lc_new_checked;
574 /* How many objects have been scanned since last sleep. */
575 __u32 lc_new_scanned;
580 #define LFSCK_LMV_MAX_STRIPES LMV_MAX_STRIPE_COUNT
581 #define LFSCK_LMV_DEF_STRIPES 4
583 /* Warning: NOT change the lfsck_slave_lmv_flags members order,
584 * otherwise the lfsck_record_lmv() may be wrong.
586 enum lfsck_slave_lmv_flags {
594 /* When the namespace LFSCK scans a striped directory, it will record all
595 * the known shards' information in the structure "lfsck_slave_lmv_rec",
596 * including the shard's FID, index, slave LMV EA, and so on. Each shard
597 * will take one lfsck_slave_lmv_rec slot. After the 1st cycle scanning
598 * the striped directory, the LFSCK will get all the information about
599 * whether there are some inconsistency, and then it can repair them in
600 * the 2nd cycle scanning.
602 struct lfsck_slave_lmv_rec {
603 struct lu_fid lslr_fid;
604 __u32 lslr_stripe_count;
605 __u32 lslr_index; /* the index in name or in slave lmv */
606 __u32 lslr_hash_type;
611 struct lmv_mds_md_v1 ll_lmv;
613 int ll_stripes_allocated;
614 int ll_stripes_filled;
616 __u32 ll_max_stripe_count;
617 __u32 ll_max_filled_off;
619 unsigned int ll_lmv_master:1,
627 struct lfsck_slave_lmv_rec *ll_lslr; /* may be vmalloc'd */
630 /* If the namespace LFSCK finds that the master MDT-object of a striped
631 * directory lost its master LMV EA, it will re-generate the master LMV
632 * EA and notify the LFSCK instance on the MDT on which the striped dir
633 * master MDT-object resides to rescan the striped directory. To do that,
634 * the notify handler will insert a "lfsck_lmv_unit" structure into the
635 * lfsck::li_list_lmv. The LFSCK instance will scan such list from time
636 * to time to check whether needs to rescan some stirped directories.
638 struct lfsck_lmv_unit {
639 struct list_head llu_link;
640 struct lfsck_lmv llu_lmv;
641 struct dt_object *llu_obj;
642 struct lfsck_instance *llu_lfsck;
645 struct lfsck_rec_lmv_save {
646 struct lu_fid lrls_fid;
647 struct lmv_mds_md_v1 lrls_lmv;
650 /* Allow lfsck_record_lmv() to be called recursively at most three times. */
651 #define LFSCK_REC_LMV_MAX_DEPTH 3
653 struct lfsck_instance {
654 struct mutex li_mutex;
657 /* Link into the lfsck_instance_list. */
658 struct list_head li_link;
660 /* For the components in (first) scanning via otable-based iteration. */
661 struct list_head li_list_scan;
663 /* For the components in scanning via directory traversal. Because
664 * directory traversal cannot guarantee all the object be scanned,
665 * so the component in the li_list_dir must be in li_list_scan.
667 struct list_head li_list_dir;
669 /* For the components in double scanning. */
670 struct list_head li_list_double_scan;
672 /* For the components those are not scanning now. */
673 struct list_head li_list_idle;
675 /* For the lfsck_lmv_unit to be handled. */
676 struct list_head li_list_lmv;
679 atomic_t li_double_scan_count;
680 struct ptlrpc_thread li_thread;
681 struct task_struct *li_task;
683 /* The time for last checkpoint, seconds */
684 time64_t li_time_last_checkpoint;
686 /* The time for next checkpoint, seconds */
687 time64_t li_time_next_checkpoint;
689 lfsck_out_notify li_out_notify;
690 void *li_out_notify_data;
691 struct dt_device *li_next;
692 struct dt_device *li_bottom;
693 struct obd_device *li_obd;
694 struct ldlm_namespace *li_namespace;
695 struct local_oid_storage *li_los;
696 struct lu_fid li_local_root_fid; /* backend root "/" */
697 struct lu_fid li_global_root_fid; /* /ROOT */
698 struct dt_object *li_lfsck_dir;
699 struct dt_object *li_bookmark_obj;
700 struct dt_object *li_lpf_obj;
701 struct dt_object *li_lpf_root_obj;
702 struct lu_client_seq *li_seq;
703 struct lfsck_bookmark li_bookmark_ram;
704 struct lfsck_bookmark li_bookmark_disk;
705 struct lfsck_position li_pos_current;
706 struct lfsck_position li_pos_checkpoint;
708 struct lfsck_lmv *li_lmv;
710 /* Obj for otable-based iteration */
711 struct dt_object *li_obj_oit;
713 /* Obj for directory traversal */
714 struct dt_object *li_obj_dir;
716 /* It for otable-based iteration */
717 struct dt_it *li_di_oit;
719 /* It for directory traversal */
720 struct dt_it *li_di_dir;
722 /* Description of OST */
723 struct lfsck_tgt_descs li_ost_descs;
725 /* Description of MDT */
726 struct lfsck_tgt_descs li_mdt_descs;
728 /* namespace-based directory traversal position. */
731 /* Arguments for low layer otable-based iteration. */
734 /* Arugments for namespace-based directory traversal. */
737 /* Schedule for every N objects. */
740 /* Sleep N jiffies for each schedule. */
743 /* How many objects have been scanned since last sleep. */
744 __u32 li_new_scanned;
746 /* The status when the LFSCK stopped or paused. */
749 /* The flags when the lFSCK stopped or paused. */
752 unsigned int li_oit_over:1, /* oit is finished. */
753 li_drop_dryrun:1, /* Ever dryrun, not now. */
754 li_master:1, /* Master instance or not. */
755 li_current_oit_processed:1,
758 struct lfsck_rec_lmv_save li_rec_lmv_save[LFSCK_REC_LMV_MAX_DEPTH];
761 static inline bool lfsck_is_dryrun(struct lfsck_instance *lfsck)
763 return lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN;
766 struct lfsck_async_interpret_args {
767 struct lfsck_component *laia_com;
768 struct lfsck_tgt_descs *laia_ltds;
769 struct lfsck_tgt_desc *laia_ltd;
770 struct lfsck_request *laia_lr;
771 atomic_t *laia_count;
773 unsigned int laia_shared:1;
776 struct lfsck_thread_args {
777 struct lu_env lta_env;
778 struct lfsck_instance *lta_lfsck;
779 struct lfsck_component *lta_com;
780 struct lfsck_start_param *lta_lsp;
783 struct lfsck_assistant_req {
784 struct list_head lar_list;
785 struct lfsck_assistant_object *lar_parent;
788 struct lfsck_namespace_req {
789 struct lfsck_assistant_req lnr_lar;
790 struct lfsck_lmv *lnr_lmv;
791 struct lu_fid lnr_fid;
792 __u64 lnr_dir_cookie;
800 struct lfsck_layout_req {
801 struct lfsck_assistant_req llr_lar;
802 struct dt_object *llr_child;
805 __u32 llr_lov_idx; /* offset in LOV EA */
808 struct lfsck_assistant_operations {
809 int (*la_handler_p1)(const struct lu_env *env,
810 struct lfsck_component *com,
811 struct lfsck_assistant_req *lar);
813 int (*la_handler_p2)(const struct lu_env *env,
814 struct lfsck_component *com);
816 void (*la_fill_pos)(const struct lu_env *env,
817 struct lfsck_component *com,
818 struct lfsck_position *pos);
820 int (*la_double_scan_result)(const struct lu_env *env,
821 struct lfsck_component *com,
824 void (*la_req_fini)(const struct lu_env *env,
825 struct lfsck_assistant_req *lar);
827 void (*la_sync_failures)(const struct lu_env *env,
828 struct lfsck_component *com,
829 struct lfsck_request *lr);
832 struct lfsck_assistant_data {
834 struct list_head lad_req_list;
836 /* list for the ost targets involve LFSCK. */
837 struct list_head lad_ost_list;
839 /* list for the ost targets in phase1 scanning. */
840 struct list_head lad_ost_phase1_list;
842 /* list for the ost targets in phase2 scanning. */
843 struct list_head lad_ost_phase2_list;
845 /* list for the mdt targets involve LFSCK. */
846 struct list_head lad_mdt_list;
848 /* list for the mdt targets in phase1 scanning. */
849 struct list_head lad_mdt_phase1_list;
851 /* list for the mdt targets in phase2 scanning. */
852 struct list_head lad_mdt_phase2_list;
854 const char *lad_name;
855 struct ptlrpc_thread lad_thread;
856 struct task_struct *lad_task;
858 const struct lfsck_assistant_operations *lad_ops;
860 unsigned long *lad_bitmap;
861 unsigned int lad_bitmap_count;
865 int lad_assistant_status;
867 unsigned long lad_flags;
868 bool lad_advance_lock;
872 LAD_TO_DOUBLE_SCAN = 1,
873 LAD_IN_DOUBLE_SCAN = 2,
878 #define LFSCK_TMPBUF_LEN 64
880 struct lfsck_lock_handle {
881 struct lustre_handle llh_pdo_lh;
882 struct lustre_handle llh_reg_lh;
883 enum ldlm_mode llh_pdo_mode;
884 enum ldlm_mode llh_reg_mode;
887 struct lfsck_thread_info {
888 struct lu_name lti_name_const;
889 struct lu_name lti_name;
890 struct lu_name lti_name2;
891 struct lu_buf lti_buf;
892 struct lu_buf lti_linkea_buf;
893 struct lu_buf lti_linkea_buf2;
894 struct lu_buf lti_big_buf;
895 struct lu_fid lti_fid;
896 struct lu_fid lti_fid2;
897 struct lu_fid lti_fid3;
898 struct lu_fid lti_fid4;
899 struct lu_attr lti_la;
900 struct lu_attr lti_la2;
901 struct ost_id lti_oi;
902 struct lustre_ost_attrs lti_loa;
903 struct dt_object_format lti_dof;
904 /* There will be '\0' at the end of the name. */
905 char lti_key[sizeof(struct lu_dirent) + NAME_MAX + 1];
906 char lti_tmpbuf[LFSCK_TMPBUF_LEN];
907 char lti_tmpbuf2[LFSCK_TMPBUF_LEN];
908 struct lfsck_request lti_lr;
909 struct lfsck_async_interpret_args lti_laia;
910 struct lfsck_async_interpret_args lti_laia2;
911 struct lfsck_start lti_start;
912 struct lfsck_stop lti_stop;
913 union ldlm_policy_data lti_policy;
914 struct ldlm_enqueue_info lti_einfo;
915 struct ldlm_res_id lti_resid;
916 struct filter_fid lti_ff;
917 struct dt_allocation_hint lti_hint;
918 struct lu_orphan_rec_v3 lti_rec;
919 struct lov_user_md lti_lum;
920 struct dt_insert_rec lti_dt_rec;
921 struct lu_object_conf lti_conf;
922 struct lu_seq_range lti_range;
923 struct lmv_mds_md_v1 lti_lmv;
924 struct lmv_mds_md_v1 lti_lmv2;
925 struct lmv_mds_md_v1 lti_lmv3;
926 struct lmv_mds_md_v1 lti_lmv4;
927 struct lfsck_lock_handle lti_llh;
928 struct lfsck_layout_dangling_key lti_lldk;
932 int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck,
933 struct lu_fid *fid, bool locked);
934 int lfsck_ibits_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
935 struct dt_object *obj, struct lustre_handle *lh,
936 __u64 bits, enum ldlm_mode mode);
937 void lfsck_ibits_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
938 int lfsck_remote_lookup_lock(const struct lu_env *env,
939 struct lfsck_instance *lfsck,
940 struct dt_object *pobj, struct dt_object *obj,
941 struct lustre_handle *lh, enum ldlm_mode mode);
942 int lfsck_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
943 struct dt_object *obj, const char *name,
944 struct lfsck_lock_handle *llh, __u64 bits, enum ldlm_mode mode);
945 void lfsck_unlock(struct lfsck_lock_handle *llh);
946 int lfsck_find_mdt_idx_by_fid(const struct lu_env *env,
947 struct lfsck_instance *lfsck,
948 const struct lu_fid *fid);
949 int lfsck_verify_lpf(const struct lu_env *env, struct lfsck_instance *lfsck);
950 struct lfsck_instance *lfsck_instance_find(struct dt_device *key, bool ref,
952 struct lfsck_component *lfsck_component_find(struct lfsck_instance *lfsck,
954 void lfsck_component_cleanup(const struct lu_env *env,
955 struct lfsck_component *com);
956 void lfsck_instance_cleanup(const struct lu_env *env,
957 struct lfsck_instance *lfsck);
958 void lfsck_bits_dump(struct seq_file *m, int bits, const char *const names[],
960 void lfsck_time_dump(struct seq_file *m, time64_t time, const char *name);
961 void lfsck_pos_dump(struct seq_file *m, struct lfsck_position *pos,
963 void lfsck_pos_fill(const struct lu_env *env, struct lfsck_instance *lfsck,
964 struct lfsck_position *pos, bool init);
965 bool __lfsck_set_speed(struct lfsck_instance *lfsck, __u32 limit);
966 void lfsck_control_speed(struct lfsck_instance *lfsck);
967 void lfsck_control_speed_by_self(struct lfsck_component *com);
968 void lfsck_thread_args_fini(struct lfsck_thread_args *lta);
969 struct lfsck_assistant_data *
970 lfsck_assistant_data_init(const struct lfsck_assistant_operations *lao,
972 struct lfsck_assistant_object *
973 lfsck_assistant_object_init(const struct lu_env *env, const struct lu_fid *fid,
974 const struct lu_attr *attr, __u64 cookie,
977 lfsck_assistant_object_load(const struct lu_env *env,
978 struct lfsck_instance *lfsck,
979 struct lfsck_assistant_object *lso);
980 int lfsck_async_interpret_common(const struct lu_env *env,
981 struct ptlrpc_request *req,
983 int lfsck_async_request(const struct lu_env *env, struct obd_export *exp,
984 struct lfsck_request *lr,
985 struct ptlrpc_request_set *set,
986 ptlrpc_interpterer_t interpterer,
987 void *args, int request);
988 int lfsck_query_all(const struct lu_env *env, struct lfsck_component *com);
989 int lfsck_start_assistant(const struct lu_env *env, struct lfsck_component *com,
990 struct lfsck_start_param *lsp);
991 int lfsck_checkpoint_generic(const struct lu_env *env,
992 struct lfsck_component *com);
993 void lfsck_post_generic(const struct lu_env *env,
994 struct lfsck_component *com, int *result);
995 int lfsck_double_scan_generic(const struct lu_env *env,
996 struct lfsck_component *com, int status);
997 void lfsck_quit_generic(const struct lu_env *env,
998 struct lfsck_component *com);
999 int lfsck_load_one_trace_file(const struct lu_env *env,
1000 struct lfsck_component *com,
1001 struct dt_object *parent,
1002 struct dt_object **child,
1003 const struct dt_index_features *ft,
1004 const char *name, bool reset);
1005 int lfsck_load_sub_trace_files(const struct lu_env *env,
1006 struct lfsck_component *com,
1007 const struct dt_index_features *ft,
1008 const char *prefix, bool reset);
1010 /* lfsck_engine.c */
1011 int lfsck_unpack_ent(struct lu_dirent *ent, __u64 *cookie, __u16 *type);
1012 void lfsck_close_dir(const struct lu_env *env,
1013 struct lfsck_instance *lfsck, int result);
1014 int lfsck_open_dir(const struct lu_env *env,
1015 struct lfsck_instance *lfsck, __u64 cookie);
1016 int lfsck_master_engine(void *args);
1017 int lfsck_assistant_engine(void *args);
1019 /* lfsck_bookmark.c */
1020 void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des,
1021 struct lfsck_bookmark *src);
1022 int lfsck_bookmark_store(const struct lu_env *env,
1023 struct lfsck_instance *lfsck);
1024 int lfsck_bookmark_setup(const struct lu_env *env,
1025 struct lfsck_instance *lfsck);
1026 int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck,
1027 struct lfsck_start *start, bool reset);
1029 /* lfsck_namespace.c */
1030 int lfsck_namespace_trace_update(const struct lu_env *env,
1031 struct lfsck_component *com,
1032 const struct lu_fid *fid,
1033 const __u8 flags, bool add);
1034 int lfsck_namespace_check_exist(const struct lu_env *env,
1035 struct dt_object *dir,
1036 struct dt_object *obj, const char *name);
1037 int __lfsck_links_read(const struct lu_env *env, struct dt_object *obj,
1038 struct linkea_data *ldata, bool with_rec);
1039 int lfsck_namespace_rebuild_linkea(const struct lu_env *env,
1040 struct lfsck_component *com,
1041 struct dt_object *obj,
1042 struct linkea_data *ldata);
1043 int lfsck_namespace_repair_dangling(const struct lu_env *env,
1044 struct lfsck_component *com,
1045 struct dt_object *parent,
1046 struct dt_object *child,
1047 struct lfsck_namespace_req *lnr);
1048 int lfsck_namespace_repair_dirent(const struct lu_env *env,
1049 struct lfsck_component *com,
1050 struct dt_object *parent,
1051 struct dt_object *child,
1052 const char *name, const char *name2,
1053 __u16 type, bool update, bool dec);
1054 int lfsck_verify_linkea(const struct lu_env *env, struct lfsck_instance *lfsck,
1055 struct dt_object *obj, const struct lu_name *cname,
1056 const struct lu_fid *pfid);
1057 int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj,
1058 char *name, struct lu_fid *pfid);
1059 int lfsck_update_name_entry(const struct lu_env *env,
1060 struct lfsck_instance *lfsck,
1061 struct dt_object *dir, const char *name,
1062 const struct lu_fid *fid, __u32 type);
1063 int lfsck_namespace_setup(const struct lu_env *env,
1064 struct lfsck_instance *lfsck);
1066 /* lfsck_striped_dir.c */
1067 void lfsck_lmv_put(const struct lu_env *env, struct lfsck_lmv *llmv);
1068 int lfsck_read_stripe_lmv(const struct lu_env *env,
1069 struct lfsck_instance *lfsck,
1070 struct dt_object *obj,
1071 struct lmv_mds_md_v1 *lmv);
1072 int lfsck_shard_name_to_index(const struct lu_env *env, const char *name,
1073 int namelen, __u16 type,
1074 const struct lu_fid *fid);
1075 bool lfsck_is_valid_slave_name_entry(const struct lu_env *env,
1076 struct lfsck_lmv *llmv,
1077 const char *name, int namelen);
1078 int lfsck_namespace_check_name(const struct lu_env *env,
1079 struct lfsck_instance *lfsck,
1080 struct dt_object *parent,
1081 struct dt_object *child,
1082 const struct lu_name *cname);
1083 int lfsck_namespace_update_lmv(const struct lu_env *env,
1084 struct lfsck_component *com,
1085 struct dt_object *obj,
1086 struct lmv_mds_md_v1 *lmv, bool locked);
1087 int lfsck_namespace_verify_stripe_slave(const struct lu_env *env,
1088 struct lfsck_component *com,
1089 struct dt_object *obj,
1090 struct lfsck_lmv *llmv);
1091 int lfsck_namespace_scan_shard(const struct lu_env *env,
1092 struct lfsck_component *com,
1093 struct dt_object *child);
1094 int lfsck_namespace_notify_lmv_master_local(const struct lu_env *env,
1095 struct lfsck_component *com,
1096 struct dt_object *obj);
1097 int lfsck_namespace_repair_bad_name_hash(const struct lu_env *env,
1098 struct lfsck_component *com,
1099 struct dt_object *shard,
1100 struct lfsck_lmv *llmv,
1102 int lfsck_namespace_striped_dir_rescan(const struct lu_env *env,
1103 struct lfsck_component *com,
1104 struct lfsck_namespace_req *lnr);
1105 int lfsck_namespace_handle_striped_master(const struct lu_env *env,
1106 struct lfsck_component *com,
1107 struct lfsck_namespace_req *lnr);
1109 /* lfsck_layout.c */
1110 int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck);
1112 extern const char dot[];
1113 extern const char dotdot[];
1114 extern const char *const lfsck_flags_names[];
1115 extern const char *const lfsck_param_names[];
1116 extern struct lu_context_key lfsck_thread_key;
1118 static inline struct dt_device *lfsck_obj2dev(struct dt_object *obj)
1120 return container_of_safe(obj->do_lu.lo_dev, struct dt_device,
1124 static inline struct lfsck_thread_info *
1125 lfsck_env_info(const struct lu_env *env)
1127 struct lfsck_thread_info *info;
1129 info = lu_context_key_get(&env->le_ctx, &lfsck_thread_key);
1130 LASSERT(info != NULL);
1134 static inline const struct lu_name *
1135 lfsck_name_get_const(const struct lu_env *env, const void *area, ssize_t len)
1137 struct lu_name *lname;
1139 lname = &lfsck_env_info(env)->lti_name_const;
1140 lname->ln_name = area;
1141 lname->ln_namelen = len;
1146 lfsck_buf_init(struct lu_buf *buf, void *area, ssize_t len)
1152 static inline struct lu_buf *
1153 lfsck_buf_get(const struct lu_env *env, void *area, ssize_t len)
1157 buf = &lfsck_env_info(env)->lti_buf;
1163 static inline const struct lu_buf *
1164 lfsck_buf_get_const(const struct lu_env *env, const void *area, ssize_t len)
1168 buf = &lfsck_env_info(env)->lti_buf;
1169 buf->lb_buf = (void *)area;
1174 static inline char *lfsck_lfsck2name(struct lfsck_instance *lfsck)
1176 return lfsck->li_bottom->dd_lu_dev.ld_obd->obd_name;
1179 static inline const struct lu_fid *lfsck_dto2fid(const struct dt_object *obj)
1181 return lu_object_fid(&obj->do_lu);
1184 static inline void lfsck_pos_set_zero(struct lfsck_position *pos)
1186 memset(pos, 0, sizeof(*pos));
1189 static inline int lfsck_pos_is_zero(const struct lfsck_position *pos)
1191 return pos->lp_oit_cookie == 0 && fid_is_zero(&pos->lp_dir_parent);
1194 static inline int lfsck_pos_is_eq(const struct lfsck_position *pos1,
1195 const struct lfsck_position *pos2)
1197 if (pos1->lp_oit_cookie < pos2->lp_oit_cookie)
1200 if (pos1->lp_oit_cookie > pos2->lp_oit_cookie)
1203 if (fid_is_zero(&pos1->lp_dir_parent) &&
1204 !fid_is_zero(&pos2->lp_dir_parent))
1207 if (!fid_is_zero(&pos1->lp_dir_parent) &&
1208 fid_is_zero(&pos2->lp_dir_parent))
1211 if (fid_is_zero(&pos1->lp_dir_parent) &&
1212 fid_is_zero(&pos2->lp_dir_parent))
1215 LASSERT(lu_fid_eq(&pos1->lp_dir_parent, &pos2->lp_dir_parent));
1217 if (pos1->lp_dir_cookie < pos2->lp_dir_cookie)
1220 if (pos1->lp_dir_cookie > pos2->lp_dir_cookie)
1226 static inline void lfsck_position_le_to_cpu(struct lfsck_position *des,
1227 struct lfsck_position *src)
1229 des->lp_oit_cookie = le64_to_cpu(src->lp_oit_cookie);
1230 fid_le_to_cpu(&des->lp_dir_parent, &src->lp_dir_parent);
1231 des->lp_dir_cookie = le64_to_cpu(src->lp_dir_cookie);
1234 static inline void lfsck_position_cpu_to_le(struct lfsck_position *des,
1235 struct lfsck_position *src)
1237 des->lp_oit_cookie = cpu_to_le64(src->lp_oit_cookie);
1238 fid_cpu_to_le(&des->lp_dir_parent, &src->lp_dir_parent);
1239 des->lp_dir_cookie = cpu_to_le64(src->lp_dir_cookie);
1242 static inline umode_t lfsck_object_type(const struct dt_object *obj)
1244 return lu_object_attr(&obj->do_lu);
1247 static inline int lfsck_is_dead_obj(const struct dt_object *obj)
1249 return lu_object_is_dying(obj->do_lu.lo_header);
1252 static inline struct dt_object *lfsck_object_get(struct dt_object *obj)
1254 lu_object_get(&obj->do_lu);
1258 static inline void lfsck_object_put(const struct lu_env *env,
1259 struct dt_object *obj)
1261 dt_object_put(env, obj);
1264 static inline struct seq_server_site
1265 *lfsck_dev_site(struct lfsck_instance *lfsck)
1267 return lu_site2seq(lfsck->li_bottom->dd_lu_dev.ld_site);
1270 static inline u32 lfsck_dev_idx(struct lfsck_instance *lfsck)
1272 return lfsck_dev_site(lfsck)->ss_node_id;
1275 static inline struct dt_object *
1276 lfsck_object_find_by_dev_new(const struct lu_env *env, struct dt_device *dev,
1277 const struct lu_fid *fid)
1279 struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf;
1281 conf->loc_flags = LOC_F_NEW;
1282 return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf));
1285 static inline struct dt_object *
1286 lfsck_object_find_by_dev(const struct lu_env *env, struct dt_device *dev,
1287 const struct lu_fid *fid)
1289 return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL));
1292 static inline struct dt_device *
1293 lfsck_find_dev_by_fid(const struct lu_env *env, struct lfsck_instance *lfsck,
1294 const struct lu_fid *fid)
1296 struct dt_device *dev;
1299 if (!lfsck->li_master)
1300 return lfsck->li_bottom;
1302 idx = lfsck_find_mdt_idx_by_fid(env, lfsck, fid);
1304 return ERR_PTR(idx);
1306 if (idx == lfsck_dev_idx(lfsck)) {
1307 dev = lfsck->li_bottom;
1309 struct lfsck_tgt_desc *ltd;
1311 ltd = lfsck_ltd2tgt(&lfsck->li_mdt_descs, idx);
1312 if (unlikely(ltd == NULL))
1313 return ERR_PTR(-ENODEV);
1321 static inline struct dt_object *
1322 lfsck_object_find_bottom(const struct lu_env *env, struct lfsck_instance *lfsck,
1323 const struct lu_fid *fid)
1325 struct dt_device *dev;
1327 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1329 return (struct dt_object *)dev;
1331 return lfsck_object_find_by_dev(env, dev, fid);
1334 static inline struct dt_object *
1335 lfsck_object_find_bottom_new(const struct lu_env *env,
1336 struct lfsck_instance *lfsck,
1337 const struct lu_fid *fid)
1339 struct dt_device *dev;
1341 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1343 return (struct dt_object *)dev;
1345 return lfsck_object_find_by_dev_new(env, dev, fid);
1348 static inline struct dt_object *
1349 lfsck_object_locate(struct dt_device *dev, struct dt_object *obj)
1351 struct lu_object *lo;
1353 if (lfsck_obj2dev(obj) == dev)
1356 lo = lu_object_locate(obj->do_lu.lo_header,
1357 dev->dd_lu_dev.ld_type);
1358 if (unlikely(lo == NULL))
1359 return ERR_PTR(-ENOENT);
1364 static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
1367 struct lfsck_tgt_desc *ltd;
1369 ltd = lfsck_ltd2tgt(ltds, index);
1371 atomic_inc(<d->ltd_ref);
1376 static inline void lfsck_tgt_put(struct lfsck_tgt_desc *ltd)
1378 if (atomic_dec_and_test(<d->ltd_ref))
1382 static inline struct lfsck_component *
1383 lfsck_component_get(struct lfsck_component *com)
1385 atomic_inc(&com->lc_ref);
1390 static inline void lfsck_component_put(const struct lu_env *env,
1391 struct lfsck_component *com)
1393 if (atomic_dec_and_test(&com->lc_ref)) {
1394 struct lfsck_sub_trace_obj *lsto;
1397 for (i = 0, lsto = &com->lc_sub_trace_objs[0];
1398 i < LFSCK_STF_COUNT; i++, lsto++) {
1399 if (lsto->lsto_obj != NULL)
1400 lfsck_object_put(env, lsto->lsto_obj);
1403 if (com->lc_obj != NULL)
1404 lfsck_object_put(env, com->lc_obj);
1405 if (com->lc_file_ram != NULL)
1406 OBD_FREE(com->lc_file_ram, com->lc_file_size);
1407 if (com->lc_file_disk != NULL)
1408 OBD_FREE(com->lc_file_disk, com->lc_file_size);
1409 if (com->lc_data != NULL) {
1410 LASSERT(com->lc_ops->lfsck_data_release != NULL);
1412 com->lc_ops->lfsck_data_release(env, com);
1419 static inline struct lfsck_instance *
1420 lfsck_instance_get(struct lfsck_instance *lfsck)
1422 atomic_inc(&lfsck->li_ref);
1427 static inline void lfsck_instance_put(const struct lu_env *env,
1428 struct lfsck_instance *lfsck)
1430 if (atomic_dec_and_test(&lfsck->li_ref))
1431 lfsck_instance_cleanup(env, lfsck);
1434 static inline bool lfsck_phase2_next_ready(struct lfsck_assistant_data *lad)
1436 return list_empty(&lad->lad_mdt_phase1_list) &&
1437 (!list_empty(&lad->lad_ost_phase2_list) ||
1438 list_empty(&lad->lad_ost_phase1_list));
1441 static inline void lfsck_lad_set_bitmap(const struct lu_env *env,
1442 struct lfsck_component *com,
1445 struct lfsck_assistant_data *lad = com->lc_data;
1446 unsigned long *bitmap = lad->lad_bitmap;
1448 LASSERT(com->lc_lfsck->li_master);
1451 if (likely(lad->lad_bitmap_count > index)) {
1452 set_bit(index, bitmap);
1453 set_bit(LAD_INCOMPLETE, &lad->lad_flags);
1454 } else if (com->lc_type == LFSCK_TYPE_NAMESPACE) {
1455 struct lfsck_namespace *ns = com->lc_file_ram;
1457 ns->ln_flags |= LF_INCOMPLETE;
1460 CDEBUG(D_LFSCK, "%s: %s LFSCK set bitmap (%p/%u) for idx %u\n",
1461 lfsck_lfsck2name(com->lc_lfsck), lad->lad_name, bitmap,
1462 lad->lad_bitmap_count, index);
1465 static inline int lfsck_links_read(const struct lu_env *env,
1466 struct dt_object *obj,
1467 struct linkea_data *ldata)
1470 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
1473 return __lfsck_links_read(env, obj, ldata, false);
1476 /* Read linkEA for the given object, the linkEA should contain
1477 * at least one entry, otherwise, -ENODATA will be returned.
1479 static inline int lfsck_links_read_with_rec(const struct lu_env *env,
1480 struct dt_object *obj,
1481 struct linkea_data *ldata)
1484 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
1487 return __lfsck_links_read(env, obj, ldata, true);
1490 static inline int lfsck_links_read2_with_rec(const struct lu_env *env,
1491 struct dt_object *obj,
1492 struct linkea_data *ldata)
1495 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf2,
1498 return __lfsck_links_read(env, obj, ldata, true);
1501 static inline struct lfsck_lmv *lfsck_lmv_get(struct lfsck_lmv *llmv)
1504 atomic_inc(&llmv->ll_ref);
1509 static inline int lfsck_sub_trace_file_fid2idx(const struct lu_fid *fid)
1511 return fid->f_oid & (LFSCK_STF_COUNT - 1);
1514 static inline void lfsck_lmv_header_le_to_cpu(struct lmv_mds_md_v1 *dst,
1515 const struct lmv_mds_md_v1 *src)
1517 dst->lmv_magic = le32_to_cpu(src->lmv_magic);
1518 dst->lmv_stripe_count = le32_to_cpu(src->lmv_stripe_count);
1519 dst->lmv_master_mdt_index = le32_to_cpu(src->lmv_master_mdt_index);
1520 dst->lmv_hash_type = le32_to_cpu(src->lmv_hash_type);
1521 dst->lmv_layout_version = le32_to_cpu(src->lmv_layout_version);
1522 dst->lmv_migrate_offset = le32_to_cpu(src->lmv_migrate_offset);
1523 dst->lmv_migrate_hash = le32_to_cpu(src->lmv_migrate_hash);
1526 static inline void lfsck_lmv_header_cpu_to_le(struct lmv_mds_md_v1 *dst,
1527 const struct lmv_mds_md_v1 *src)
1529 dst->lmv_magic = cpu_to_le32(src->lmv_magic);
1530 dst->lmv_stripe_count = cpu_to_le32(src->lmv_stripe_count);
1531 dst->lmv_master_mdt_index = cpu_to_le32(src->lmv_master_mdt_index);
1532 dst->lmv_hash_type = cpu_to_le32(src->lmv_hash_type);
1533 dst->lmv_layout_version = cpu_to_le32(src->lmv_layout_version);
1534 dst->lmv_migrate_offset = cpu_to_le32(src->lmv_migrate_offset);
1535 dst->lmv_migrate_hash = cpu_to_le32(src->lmv_migrate_hash);
1538 static inline struct lfsck_assistant_object *
1539 lfsck_assistant_object_get(struct lfsck_assistant_object *lso)
1541 kref_get(&lso->lso_ref);
1547 lfsck_assistant_object_put(struct kref *kref)
1549 struct lfsck_assistant_object *lso;
1551 lso = container_of(kref, struct lfsck_assistant_object, lso_ref);
1555 static inline struct thandle*
1556 lfsck_trans_create(const struct lu_env *env, struct dt_device *dev,
1557 struct lfsck_instance *lfsck)
1559 if (lfsck->li_bookmark_ram.lb_param & LPF_DRYRUN) {
1562 CERROR("%s: transaction is being created in DRYRUN mode!\n",
1563 lfsck_lfsck2name(lfsck));
1567 return ERR_PTR(-EINVAL);
1570 return dt_trans_create(env, dev);
1572 #endif /* _LFSCK_INTERNAL_H */