* GPL HEADER END
*/
/*
- * Copyright (c) 2013, Intel Corporation.
+ * Copyright (c) 2013, 2017, Intel Corporation.
*/
/*
* lustre/lfsck/lfsck_internal.h
#ifndef _LFSCK_INTERNAL_H
# define _LFSCK_INTERNAL_H
-#include <lustre/lustre_lfsck_user.h>
-#include <lustre/lustre_user.h>
-#include <lustre/lustre_idl.h>
#include <lustre_lfsck.h>
#include <obd.h>
#include <lu_object.h>
#include <lustre_dlm.h>
#include <lustre_fid.h>
#include <md_object.h>
+#include <lustre_linkea.h>
-#define HALF_SEC (HZ >> 1)
#define LFSCK_CHECKPOINT_INTERVAL 60
-#define LFSCK_NAMEENTRY_DEAD 1 /* The object has been unlinked. */
-#define LFSCK_NAMEENTRY_REMOVED 2 /* The entry has been removed. */
-#define LFSCK_NAMEENTRY_RECREATED 3 /* The entry has been recreated. */
-
enum lfsck_flags {
/* Finish the first cycle scanning. */
LF_SCANNED_ONCE = 0x00000001ULL,
/* For 64-bits aligned. */
__u16 lb_padding;
+ /* The FID for .lustre/lost+found/MDTxxxx */
+ struct lu_fid lb_lpf_fid;
+
+ /* The FID for the last MDT-object created by the LFSCK repairing. */
+ struct lu_fid lb_last_fid;
+
/* For future using. */
- __u64 lb_reserved[6];
+ __u64 lb_reserved[2];
+};
+
+enum lfsck_namespace_trace_flags {
+ LNTF_CHECK_LINKEA = 0x01,
+ LNTF_CHECK_PARENT = 0x02,
+ LNTF_CHECK_ORPHAN = 0x08,
+ LNTF_UNCERTAIN_LMV = 0x10,
+ LNTF_RECHECK_NAME_HASH = 0x20,
+ LNTF_CHECK_AGENT_ENTRY = 0x40,
+ LNTF_ALL = 0xff
+};
+
+enum lfsck_namespace_inconsistency_type {
+ LNIT_NONE = 0,
+ LNIT_BAD_LINKEA = 1,
+ LNIT_UNMATCHED_PAIRS = 2,
+ LNIT_DANGLING = 3,
+ LNIT_MUL_REF = 4,
+ LNIT_BAD_TYPE = 5,
+ LNIT_BAD_DIRENT = 6,
};
struct lfsck_namespace {
__u32 ln_success_count;
/* How long the LFSCK phase1 has run in seconds. */
- __u32 ln_run_time_phase1;
+ time64_t ln_run_time_phase1;
/* How long the LFSCK phase2 has run in seconds. */
- __u32 ln_run_time_phase2;
+ time64_t ln_run_time_phase2;
/* Time for the last LFSCK completed in seconds since epoch. */
- __u64 ln_time_last_complete;
+ time64_t ln_time_last_complete;
/* Time for the latest LFSCK ran in seconds since epoch. */
- __u64 ln_time_latest_start;
+ time64_t ln_time_latest_start;
/* Time for the last LFSCK checkpoint in seconds since epoch. */
- __u64 ln_time_last_checkpoint;
+ time64_t ln_time_last_checkpoint;
/* Position for the latest LFSCK started from. */
struct lfsck_position ln_pos_latest_start;
/* How many directories have been traversed. */
__u64 ln_dirs_checked;
- /* How many multiple-linked objects have been checked. */
- __u64 ln_mlinked_checked;
-
/* How many objects have been double scanned. */
__u64 ln_objs_checked_phase2;
/* How many objects with nlink fixed. */
__u64 ln_objs_nlink_repaired;
- /* How many objects were lost before, but found back now. */
- __u64 ln_objs_lost_found;
-
/* The latest object has been processed (failed) during double scan. */
struct lu_fid ln_fid_latest_scanned_phase2;
+ /* How many FID-in-dirent entries have been repaired. */
+ __u64 ln_dirent_repaired;
+
+ /* How many linkEA entries have been repaired. */
+ __u64 ln_linkea_repaired;
+
+ /* How many multiple-linked objects have been checked. */
+ __u64 ln_mul_linked_checked;
+
+ /* How many multiple-linked objects have been repaired. */
+ __u64 ln_mul_linked_repaired;
+
+ /* How many undefined inconsistency found in phase2. */
+ __u64 ln_unknown_inconsistency;
+
+ /* How many unmatched pairs have been repaired. */
+ __u64 ln_unmatched_pairs_repaired;
+
+ /* How many dangling name entries have been found/repaired. */
+ __u64 ln_dangling_repaired;
+
+ /* How many multiple referenced name entries have been
+ * found/repaired. */
+ __u64 ln_mul_ref_repaired;
+
+ /* How many name entries with bad file type have been repaired. */
+ __u64 ln_bad_type_repaired;
+
+ /* How many lost name entries have been re-inserted. */
+ __u64 ln_lost_dirent_repaired;
+
+ /* How many objects under /lost+found have been scanned. */
+ __u64 ln_local_lpf_scanned;
+
+ /* How many objects under /lost+found have been moved to
+ * namespace visible directory. */
+ __u64 ln_local_lpf_moved;
+
+ /* How many objects under /lost+found have been skipped. */
+ __u64 ln_local_lpf_skipped;
+
+ /* How many objects under /lost+found failed to be processed. */
+ __u64 ln_local_lpf_failed;
+
+ /* How many striped directories (master) have been scanned. */
+ __u64 ln_striped_dirs_scanned;
+
+ /* How many striped directories (master) have been repaired. */
+ __u64 ln_striped_dirs_repaired;
+
+ /* How many striped directories (master) failed verification. */
+ __u64 ln_striped_dirs_failed;
+
+ /* How many striped directories (master) has been disabled. */
+ __u64 ln_striped_dirs_disabled;
+
+ /* How many striped directory's (master) have been skipped
+ * (for shards verification) because of lost master LMV EA. */
+ __u64 ln_striped_dirs_skipped;
+
+ /* How many striped directory's shards (slave) have been scanned. */
+ __u64 ln_striped_shards_scanned;
+
+ /* How many striped directory's shards (slave) have been repaired. */
+ __u64 ln_striped_shards_repaired;
+
+ /* How many striped directory's shards (slave) failed verification. */
+ __u64 ln_striped_shards_failed;
+
+ /* How many striped directory's shards (slave) have been skipped
+ * (for name hash verification) because do not know whether the slave
+ * LMV EA is valid or not. */
+ __u64 ln_striped_shards_skipped;
+
+ /* How many name entries under striped directory with bad name
+ * hash have been repaired. */
+ __u64 ln_name_hash_repaired;
+
+ /* The size of MDT targets bitmap with nbits. Such bitmap records
+ * the MDTs that contain non-verified MDT-objects. */
+ __u32 ln_bitmap_size;
+
+ /* For further using. 256-bytes aligned now. */
+ __u32 ln_reserved_1;
+
+ /* Time for the latest LFSCK scan in seconds from the beginning. */
+ time64_t ln_time_latest_reset;
+
+ /* How many linkEA overflow timestamp have been cleared. */
+ __u64 ln_linkea_overflow_cleared;
+
+ /* How many agent entries have been repaired. */
+ __u64 ln_agent_entries_repaired;
+
/* For further using. 256-bytes aligned now. */
- __u64 ln_reserved[2];
+ __u64 ln_reserved[11];
};
enum lfsck_layout_inconsistency_type {
__u32 ll_success_count;
/* How long the LFSCK phase1 has run in seconds. */
- __u32 ll_run_time_phase1;
+ time64_t ll_run_time_phase1;
/* How long the LFSCK phase2 has run in seconds. */
- __u32 ll_run_time_phase2;
+ time64_t ll_run_time_phase2;
/* Time for the last LFSCK completed in seconds since epoch. */
- __u64 ll_time_last_complete;
+ time64_t ll_time_last_complete;
/* Time for the latest LFSCK ran in seconds since epoch. */
- __u64 ll_time_latest_start;
+ time64_t ll_time_latest_start;
/* Time for the last LFSCK checkpoint in seconds since epoch. */
- __u64 ll_time_last_checkpoint;
+ time64_t ll_time_last_checkpoint;
/* Position for the latest LFSCK started from. */
__u64 ll_pos_latest_start;
/* Position for the last LFSCK checkpoint. */
__u64 ll_pos_last_checkpoint;
- /* Position for the first should be updated object. */
+ /* Position for the first object to be fixed or
+ * failed to be checked in the phase1. */
__u64 ll_pos_first_inconsistent;
/* How many objects have been checked. */
/* How many objects failed to be processed during double scan. */
__u64 ll_objs_failed_phase2;
- /* kinds of inconsistency have been repaired.
+ /* kinds of inconsistency have been or to be repaired.
* ll_objs_repaired[type - 1] is the count for the given @type. */
__u64 ll_objs_repaired[LLIT_MAX];
* MDT(s)/OST(s) do not participate in the LFSCK */
__u64 ll_objs_skipped;
+ /* The size of ll_ost_bitmap with nbits. */
+ __u32 ll_bitmap_size;
+
/* For further using. 256-bytes aligned now. */
- __u64 ll_reserved[12];
+ __u32 ll_reserved_1;
+
+ /* The latest object has been processed (failed) during double scan. */
+ struct lfsck_layout_dangling_key ll_lldk_latest_scanned_phase2;
+
+ /* For further using */
+ u64 ll_reserved_2[7];
+
+ /* The OST targets bitmap to record the OSTs that contain
+ * non-verified OST-objects. */
+ __u8 ll_ost_bitmap[0];
+};
+
+struct lfsck_assistant_object {
+ struct lu_fid lso_fid;
+ __u64 lso_oit_cookie;
+ struct lu_attr lso_attr;
+ atomic_t lso_ref;
+ unsigned int lso_dead:1,
+ lso_is_dir:1;
};
struct lfsck_component;
+struct lfsck_tgt_descs;
+struct lfsck_tgt_desc;
struct lfsck_operations {
int (*lfsck_reset)(const struct lu_env *env,
struct lfsck_component *com,
bool new_checked);
+ void (*lfsck_close_dir)(const struct lu_env *env,
+ struct lfsck_component *com);
+
+ int (*lfsck_open_dir)(const struct lu_env *env,
+ struct lfsck_component *com);
+
int (*lfsck_checkpoint)(const struct lu_env *env,
struct lfsck_component *com,
bool init);
int (*lfsck_prep)(const struct lu_env *env,
- struct lfsck_component *com);
+ struct lfsck_component *com,
+ struct lfsck_start_param *lsp);
int (*lfsck_exec_oit)(const struct lu_env *env,
struct lfsck_component *com,
int (*lfsck_exec_dir)(const struct lu_env *env,
struct lfsck_component *com,
- struct dt_object *obj,
- struct lu_dirent *ent);
+ struct lfsck_assistant_object *lso,
+ struct lu_dirent *ent,
+ __u16 type);
int (*lfsck_post)(const struct lu_env *env,
struct lfsck_component *com,
int result,
bool init);
- int (*lfsck_dump)(const struct lu_env *env,
- struct lfsck_component *com,
- char *buf,
- int len);
+ void (*lfsck_dump)(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct seq_file *m);
int (*lfsck_double_scan)(const struct lu_env *env,
struct lfsck_component *com);
void (*lfsck_quit)(const struct lu_env *env,
struct lfsck_component *com);
+
+ int (*lfsck_in_notify_local)(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_req_local *lrl,
+ struct thandle *th);
+
+ int (*lfsck_in_notify)(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_request *lr);
+
+ int (*lfsck_query)(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_request *req,
+ struct lfsck_reply *rep,
+ struct lfsck_query *que, int idx);
+
+ int (*lfsck_join)(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_start_param *lsp);
};
#define TGT_PTRS 256 /* number of pointers at 1st level */
struct dt_device *ltd_key;
struct obd_export *ltd_exp;
struct list_head ltd_layout_list;
+ struct list_head ltd_layout_phase_list;
+ struct list_head ltd_namespace_list;
+ struct list_head ltd_namespace_phase_list;
+ __u32 ltd_layout_status;
+ __u32 ltd_namespace_status;
+ __u64 ltd_layout_repaired;
+ __u64 ltd_namespace_repaired;
atomic_t ltd_ref;
__u32 ltd_index;
+ __u32 ltd_layout_gen;
+ __u32 ltd_namespace_gen;
+ unsigned int ltd_dead:1,
+ ltd_retry_start:1,
+ ltd_layout_done:1,
+ ltd_namespace_done:1,
+ ltd_synced_failures:1;
};
struct lfsck_tgt_desc_idx {
struct lfsck_tgt_desc_idx *ltd_tgts_idx[TGT_PTRS];
/* bitmap of TGTs available */
- cfs_bitmap_t *ltd_tgts_bitmap;
+ struct cfs_bitmap *ltd_tgts_bitmap;
/* for lfsck_tgt_desc::ltd_xxx_list */
spinlock_t ltd_lock;
struct list_head ltd_orphan;
/* number of registered TGTs */
- int ltd_tgtnr;
+ __u32 ltd_tgtnr;
};
-#define LTD_TGT(ltd, index) \
- ((ltd)->ltd_tgts_idx[(index) / TGT_PTRS_PER_BLOCK]->\
- ldi_tgts[(index) % TGT_PTRS_PER_BLOCK])
+static inline struct lfsck_tgt_desc *
+lfsck_ltd2tgt(struct lfsck_tgt_descs *ltd, __u32 index)
+{
+ __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
+ __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
+ struct lfsck_tgt_desc *__tgt = NULL;
+
+ if (unlikely(idx1 >= TGT_PTRS))
+ CDEBUG(D_LFSCK, "The target idx %u is invalid.\n", index);
+ else if (likely(ltd->ltd_tgts_idx[idx1] != NULL))
+ __tgt = ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2];
+
+ return __tgt;
+}
-#define OST_TGT(lfsck, index) LTD_TGT(&lfsck->li_ost_descs, index)
-#define MDT_TGT(lfsck, index) LTD_TGT(&lfsck->li_mdt_descs, index)
+static inline void lfsck_assign_tgt(struct lfsck_tgt_descs *ltd,
+ struct lfsck_tgt_desc *tgt, __u32 index)
+{
+ __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
+ __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
+
+ if (likely(idx1 < TGT_PTRS && ltd->ltd_tgts_idx[idx1] != NULL))
+ ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2] = tgt;
+}
+
+#define LFSCK_STF_BITS 4
+/* If want to adjust the LFSCK_STF_COUNT, please change LFSCK_STF_BITS. */
+#define LFSCK_STF_COUNT (1 << LFSCK_STF_BITS)
+
+struct lfsck_sub_trace_obj {
+ struct dt_object *lsto_obj;
+ struct mutex lsto_mutex;
+};
struct lfsck_component {
/* into lfsck_instance::li_list_(scan,double_scan,idle} */
- cfs_list_t lc_link;
+ struct list_head lc_link;
/* into lfsck_instance::li_list_dir */
- cfs_list_t lc_link_dir;
+ struct list_head lc_link_dir;
struct rw_semaphore lc_sem;
atomic_t lc_ref;
struct lfsck_position lc_pos_start;
struct lfsck_instance *lc_lfsck;
struct dt_object *lc_obj;
+ struct lfsck_sub_trace_obj lc_sub_trace_objs[LFSCK_STF_COUNT];
struct lfsck_operations *lc_ops;
void *lc_file_ram;
void *lc_file_disk;
void *lc_data;
+ struct lu_fid lc_fid_latest_scanned_phase2;
- /* The time for last checkpoint, jiffies */
- cfs_time_t lc_time_last_checkpoint;
+ /* The time for last checkpoint, seconds */
+ time64_t lc_time_last_checkpoint;
- /* The time for next checkpoint, jiffies */
- cfs_time_t lc_time_next_checkpoint;
+ /* The time for next checkpoint, seconds */
+ time64_t lc_time_next_checkpoint;
__u32 lc_file_size;
/* How many objects have been scanned since last sleep. */
__u32 lc_new_scanned;
- unsigned int lc_journal:1;
__u16 lc_type;
};
+#define LFSCK_LMV_MAX_STRIPES LMV_MAX_STRIPE_COUNT
+#define LFSCK_LMV_DEF_STRIPES 4
+
+/* Warning: NOT change the lfsck_slave_lmv_flags members order,
+ * otherwise the lfsck_record_lmv() may be wrong. */
+enum lfsck_slave_lmv_flags {
+ LSLF_NONE = 0,
+ LSLF_BAD_INDEX2 = 1,
+ LSLF_NO_LMVEA = 2,
+ LSLF_DANGLING = 3,
+ LSLF_BAD_INDEX1 = 4,
+};
+
+/* When the namespace LFSCK scans a striped directory, it will record all
+ * the known shards' information in the structure "lfsck_slave_lmv_rec",
+ * including the shard's FID, index, slave LMV EA, and so on. Each shard
+ * will take one lfsck_slave_lmv_rec slot. After the 1st cycle scanning
+ * the striped directory, the LFSCK will get all the information about
+ * whether there are some inconsistency, and then it can repair them in
+ * the 2nd cycle scanning. */
+struct lfsck_slave_lmv_rec {
+ struct lu_fid lslr_fid;
+ __u32 lslr_stripe_count;
+ __u32 lslr_index; /* the index in name or in slave lmv */
+ __u32 lslr_hash_type;
+ __u32 lslr_flags;
+};
+
+struct lfsck_lmv {
+ struct lmv_mds_md_v1 ll_lmv;
+ atomic_t ll_ref;
+ int ll_stripes_allocated;
+ int ll_stripes_filled;
+ int ll_exit_value;
+ __u32 ll_max_stripe_count;
+ __u32 ll_max_filled_off;
+ __u32 ll_hash_type;
+ unsigned int ll_lmv_master:1,
+ ll_lmv_slave:1,
+ ll_lmv_verified:1,
+ ll_lmv_updated:1,
+ ll_inline:1,
+ ll_failed:1,
+ ll_ignore:1,
+ ll_counted:1;
+ struct lfsck_slave_lmv_rec *ll_lslr; /* may be vmalloc'd */
+};
+
+/* If the namespace LFSCK finds that the master MDT-object of a striped
+ * directory lost its master LMV EA, it will re-generate the master LMV
+ * EA and notify the LFSCK instance on the MDT on which the striped dir
+ * master MDT-object resides to rescan the striped directory. To do that,
+ * the notify handler will insert a "lfsck_lmv_unit" structure into the
+ * lfsck::li_list_lmv. The LFSCK instance will scan such list from time
+ * to time to check whether needs to rescan some stirped directories. */
+struct lfsck_lmv_unit {
+ struct list_head llu_link;
+ struct lfsck_lmv llu_lmv;
+ struct dt_object *llu_obj;
+ struct lfsck_instance *llu_lfsck;
+};
+
+struct lfsck_rec_lmv_save {
+ struct lu_fid lrls_fid;
+ struct lmv_mds_md_v1 lrls_lmv;
+};
+
+/* Allow lfsck_record_lmv() to be called recursively at most three times. */
+#define LFSCK_REC_LMV_MAX_DEPTH 3
+
struct lfsck_instance {
struct mutex li_mutex;
spinlock_t li_lock;
/* Link into the lfsck_instance_list. */
- cfs_list_t li_link;
+ struct list_head li_link;
/* For the components in (first) scanning via otable-based iteration. */
- cfs_list_t li_list_scan;
+ struct list_head li_list_scan;
/* For the components in scanning via directory traversal. Because
* directory traversal cannot guarantee all the object be scanned,
* so the component in the li_list_dir must be in li_list_scan. */
- cfs_list_t li_list_dir;
+ struct list_head li_list_dir;
/* For the components in double scanning. */
- cfs_list_t li_list_double_scan;
+ struct list_head li_list_double_scan;
/* For the components those are not scanning now. */
- cfs_list_t li_list_idle;
+ struct list_head li_list_idle;
+
+ /* For the lfsck_lmv_unit to be handled. */
+ struct list_head li_list_lmv;
atomic_t li_ref;
atomic_t li_double_scan_count;
struct ptlrpc_thread li_thread;
+ struct task_struct *li_task;
- /* The time for last checkpoint, jiffies */
- cfs_time_t li_time_last_checkpoint;
+ /* The time for last checkpoint, seconds */
+ time64_t li_time_last_checkpoint;
- /* The time for next checkpoint, jiffies */
- cfs_time_t li_time_next_checkpoint;
+ /* The time for next checkpoint, seconds */
+ time64_t li_time_next_checkpoint;
lfsck_out_notify li_out_notify;
void *li_out_notify_data;
struct dt_device *li_next;
struct dt_device *li_bottom;
+ struct obd_device *li_obd;
struct ldlm_namespace *li_namespace;
struct local_oid_storage *li_los;
struct lu_fid li_local_root_fid; /* backend root "/" */
struct lu_fid li_global_root_fid; /* /ROOT */
+ struct dt_object *li_lfsck_dir;
struct dt_object *li_bookmark_obj;
+ struct dt_object *li_lpf_obj;
+ struct dt_object *li_lpf_root_obj;
+ struct lu_client_seq *li_seq;
struct lfsck_bookmark li_bookmark_ram;
struct lfsck_bookmark li_bookmark_disk;
struct lfsck_position li_pos_current;
+ struct lfsck_position li_pos_checkpoint;
+
+ struct lfsck_lmv *li_lmv;
/* Obj for otable-based iteration */
struct dt_object *li_obj_oit;
/* How many objects have been scanned since last sleep. */
__u32 li_new_scanned;
- unsigned int li_paused:1, /* The lfsck is paused. */
- li_oit_over:1, /* oit is finished. */
+ /* The status when the LFSCK stopped or paused. */
+ __u32 li_status;
+
+ /* The flags when the lFSCK stopped or paused. */
+ __u32 li_flags;
+
+ unsigned int li_oit_over:1, /* oit is finished. */
li_drop_dryrun:1, /* Ever dryrun, not now. */
li_master:1, /* Master instance or not. */
- li_current_oit_processed:1;
+ li_current_oit_processed:1,
+ li_start_unplug:1,
+ li_stopping:1;
+ struct lfsck_rec_lmv_save li_rec_lmv_save[LFSCK_REC_LMV_MAX_DEPTH];
};
-enum lfsck_linkea_flags {
- /* The linkea entries does not match the object nlinks. */
- LLF_UNMATCH_NLINKS = 0x01,
-
- /* Fail to repair the multiple-linked objects during the double scan. */
- LLF_REPAIR_FAILED = 0x02,
+struct lfsck_async_interpret_args {
+ struct lfsck_component *laia_com;
+ struct lfsck_tgt_descs *laia_ltds;
+ struct lfsck_tgt_desc *laia_ltd;
+ struct lfsck_request *laia_lr;
+ atomic_t *laia_count;
+ int laia_result;
+ unsigned int laia_shared:1;
};
struct lfsck_thread_args {
- struct lu_env lta_env;
- struct lfsck_instance *lta_lfsck;
- struct lfsck_component *lta_com;
+ struct lu_env lta_env;
+ struct lfsck_instance *lta_lfsck;
+ struct lfsck_component *lta_com;
+ struct lfsck_start_param *lta_lsp;
+};
+
+struct lfsck_assistant_req {
+ struct list_head lar_list;
+ struct lfsck_assistant_object *lar_parent;
+};
+
+struct lfsck_namespace_req {
+ struct lfsck_assistant_req lnr_lar;
+ struct lfsck_lmv *lnr_lmv;
+ struct lu_fid lnr_fid;
+ __u64 lnr_dir_cookie;
+ __u32 lnr_attr;
+ __u32 lnr_size;
+ __u16 lnr_type;
+ __u16 lnr_namelen;
+ char lnr_name[0];
+};
+
+struct lfsck_layout_req {
+ struct lfsck_assistant_req llr_lar;
+ struct dt_object *llr_child;
+ __u32 llr_comp_id;
+ __u32 llr_ost_idx;
+ __u32 llr_lov_idx; /* offset in LOV EA */
+};
+
+struct lfsck_assistant_operations {
+ int (*la_handler_p1)(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_assistant_req *lar);
+
+ int (*la_handler_p2)(const struct lu_env *env,
+ struct lfsck_component *com);
+
+ void (*la_fill_pos)(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_position *pos);
+
+ int (*la_double_scan_result)(const struct lu_env *env,
+ struct lfsck_component *com,
+ int rc);
+
+ void (*la_req_fini)(const struct lu_env *env,
+ struct lfsck_assistant_req *lar);
+
+ void (*la_sync_failures)(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_request *lr);
+};
+
+struct lfsck_assistant_data {
+ spinlock_t lad_lock;
+ struct list_head lad_req_list;
+
+ /* list for the ost targets involve LFSCK. */
+ struct list_head lad_ost_list;
+
+ /* list for the ost targets in phase1 scanning. */
+ struct list_head lad_ost_phase1_list;
+
+ /* list for the ost targets in phase2 scanning. */
+ struct list_head lad_ost_phase2_list;
+
+ /* list for the mdt targets involve LFSCK. */
+ struct list_head lad_mdt_list;
+
+ /* list for the mdt targets in phase1 scanning. */
+ struct list_head lad_mdt_phase1_list;
+
+ /* list for the mdt targets in phase2 scanning. */
+ struct list_head lad_mdt_phase2_list;
+
+ const char *lad_name;
+ struct ptlrpc_thread lad_thread;
+ struct task_struct *lad_task;
+
+ struct lfsck_assistant_operations *lad_ops;
+
+ struct cfs_bitmap *lad_bitmap;
+
+ __u32 lad_touch_gen;
+ int lad_prefetched;
+ int lad_assistant_status;
+ int lad_post_result;
+ unsigned long lad_flags;
+ bool lad_advance_lock;
+};
+enum {
+ LAD_TO_POST = 0,
+ LAD_TO_DOUBLE_SCAN = 1,
+ LAD_IN_DOUBLE_SCAN = 2,
+ LAD_EXIT = 3,
+ LAD_INCOMPLETE = 4,
+};
+
+#define LFSCK_TMPBUF_LEN 64
+
+struct lfsck_lock_handle {
+ struct lustre_handle llh_pdo_lh;
+ struct lustre_handle llh_reg_lh;
+ enum ldlm_mode llh_pdo_mode;
+ enum ldlm_mode llh_reg_mode;
};
struct lfsck_thread_info {
+ struct lu_name lti_name_const;
struct lu_name lti_name;
+ struct lu_name lti_name2;
struct lu_buf lti_buf;
struct lu_buf lti_linkea_buf;
+ struct lu_buf lti_linkea_buf2;
+ struct lu_buf lti_big_buf;
struct lu_fid lti_fid;
struct lu_fid lti_fid2;
+ struct lu_fid lti_fid3;
+ struct lu_fid lti_fid4;
struct lu_attr lti_la;
+ struct lu_attr lti_la2;
struct ost_id lti_oi;
- union {
- struct lustre_mdt_attrs lti_lma;
- /* old LMA for compatibility */
- char lti_lma_old[LMA_OLD_SIZE];
- };
+ struct lustre_ost_attrs lti_loa;
struct dt_object_format lti_dof;
- /* lti_ent and lti_key must be conjoint,
- * then lti_ent::lde_name will be lti_key. */
- struct lu_dirent lti_ent;
- char lti_key[NAME_MAX + 16];
+ /* There will be '\0' at the end of the name. */
+ char lti_key[sizeof(struct lu_dirent) + NAME_MAX + 1];
+ char lti_tmpbuf[LFSCK_TMPBUF_LEN];
+ char lti_tmpbuf2[LFSCK_TMPBUF_LEN];
struct lfsck_request lti_lr;
+ struct lfsck_async_interpret_args lti_laia;
+ struct lfsck_async_interpret_args lti_laia2;
+ struct lfsck_start lti_start;
+ struct lfsck_stop lti_stop;
+ union ldlm_policy_data lti_policy;
+ struct ldlm_enqueue_info lti_einfo;
+ struct ldlm_res_id lti_resid;
+ struct filter_fid lti_ff;
+ struct dt_allocation_hint lti_hint;
+ struct lu_orphan_rec_v3 lti_rec;
+ struct lov_user_md lti_lum;
+ struct dt_insert_rec lti_dt_rec;
+ struct lu_object_conf lti_conf;
+ struct lu_seq_range lti_range;
+ struct lmv_mds_md_v1 lti_lmv;
+ struct lmv_mds_md_v1 lti_lmv2;
+ struct lmv_mds_md_v1 lti_lmv3;
+ struct lmv_mds_md_v1 lti_lmv4;
+ struct lfsck_lock_handle lti_llh;
+ struct lfsck_layout_dangling_key lti_lldk;
};
/* lfsck_lib.c */
-const char *lfsck_status2names(enum lfsck_status status);
+int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck,
+ struct lu_fid *fid, bool locked);
+int lfsck_ibits_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
+ struct dt_object *obj, struct lustre_handle *lh,
+ __u64 bits, enum ldlm_mode mode);
+void lfsck_ibits_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
+int lfsck_remote_lookup_lock(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ struct dt_object *pobj, struct dt_object *obj,
+ struct lustre_handle *lh, enum ldlm_mode mode);
+int lfsck_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
+ struct dt_object *obj, const char *name,
+ struct lfsck_lock_handle *llh, __u64 bits, enum ldlm_mode mode);
+void lfsck_unlock(struct lfsck_lock_handle *llh);
+int lfsck_find_mdt_idx_by_fid(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ const struct lu_fid *fid);
+int lfsck_verify_lpf(const struct lu_env *env, struct lfsck_instance *lfsck);
+struct lfsck_instance *lfsck_instance_find(struct dt_device *key, bool ref,
+ bool unlink);
+struct lfsck_component *lfsck_component_find(struct lfsck_instance *lfsck,
+ __u16 type);
void lfsck_component_cleanup(const struct lu_env *env,
struct lfsck_component *com);
void lfsck_instance_cleanup(const struct lu_env *env,
struct lfsck_instance *lfsck);
-int lfsck_bits_dump(char **buf, int *len, int bits, const char *names[],
+void lfsck_bits_dump(struct seq_file *m, int bits, const char *names[],
+ const char *prefix);
+void lfsck_time_dump(struct seq_file *m, time64_t time, const char *name);
+void lfsck_pos_dump(struct seq_file *m, struct lfsck_position *pos,
const char *prefix);
-int lfsck_time_dump(char **buf, int *len, __u64 time, const char *prefix);
-int lfsck_pos_dump(char **buf, int *len, struct lfsck_position *pos,
- const char *prefix);
void lfsck_pos_fill(const struct lu_env *env, struct lfsck_instance *lfsck,
struct lfsck_position *pos, bool init);
+bool __lfsck_set_speed(struct lfsck_instance *lfsck, __u32 limit);
void lfsck_control_speed(struct lfsck_instance *lfsck);
void lfsck_control_speed_by_self(struct lfsck_component *com);
-int lfsck_reset(const struct lu_env *env, struct lfsck_instance *lfsck,
- bool init);
-struct lfsck_thread_args *lfsck_thread_args_init(struct lfsck_instance *lfsck,
- struct lfsck_component *com);
void lfsck_thread_args_fini(struct lfsck_thread_args *lta);
-void lfsck_fail(const struct lu_env *env, struct lfsck_instance *lfsck,
- bool new_checked);
-int lfsck_checkpoint(const struct lu_env *env, struct lfsck_instance *lfsck);
-int lfsck_prep(const struct lu_env *env, struct lfsck_instance *lfsck);
-int lfsck_exec_oit(const struct lu_env *env, struct lfsck_instance *lfsck,
- struct dt_object *obj);
-int lfsck_exec_dir(const struct lu_env *env, struct lfsck_instance *lfsck,
- struct dt_object *obj, struct lu_dirent *ent);
-int lfsck_post(const struct lu_env *env, struct lfsck_instance *lfsck,
- int result);
-int lfsck_double_scan(const struct lu_env *env, struct lfsck_instance *lfsck);
-void lfsck_quit(const struct lu_env *env, struct lfsck_instance *lfsck);
+struct lfsck_assistant_data *
+lfsck_assistant_data_init(struct lfsck_assistant_operations *lao,
+ const char *name);
+struct lfsck_assistant_object *
+lfsck_assistant_object_init(const struct lu_env *env, const struct lu_fid *fid,
+ const struct lu_attr *attr, __u64 cookie,
+ bool is_dir);
+struct dt_object *
+lfsck_assistant_object_load(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ struct lfsck_assistant_object *lso);
+int lfsck_async_interpret_common(const struct lu_env *env,
+ struct ptlrpc_request *req,
+ void *args, int rc);
+int lfsck_async_request(const struct lu_env *env, struct obd_export *exp,
+ struct lfsck_request *lr,
+ struct ptlrpc_request_set *set,
+ ptlrpc_interpterer_t interpterer,
+ void *args, int request);
+int lfsck_query_all(const struct lu_env *env, struct lfsck_component *com);
+int lfsck_start_assistant(const struct lu_env *env, struct lfsck_component *com,
+ struct lfsck_start_param *lsp);
+int lfsck_checkpoint_generic(const struct lu_env *env,
+ struct lfsck_component *com);
+void lfsck_post_generic(const struct lu_env *env,
+ struct lfsck_component *com, int *result);
+int lfsck_double_scan_generic(const struct lu_env *env,
+ struct lfsck_component *com, int status);
+void lfsck_quit_generic(const struct lu_env *env,
+ struct lfsck_component *com);
+int lfsck_load_one_trace_file(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *parent,
+ struct dt_object **child,
+ const struct dt_index_features *ft,
+ const char *name, bool reset);
+int lfsck_load_sub_trace_files(const struct lu_env *env,
+ struct lfsck_component *com,
+ const struct dt_index_features *ft,
+ const char *prefix, bool reset);
/* lfsck_engine.c */
+int lfsck_unpack_ent(struct lu_dirent *ent, __u64 *cookie, __u16 *type);
+void lfsck_close_dir(const struct lu_env *env,
+ struct lfsck_instance *lfsck, int result);
+int lfsck_open_dir(const struct lu_env *env,
+ struct lfsck_instance *lfsck, __u64 cookie);
int lfsck_master_engine(void *args);
+int lfsck_assistant_engine(void *args);
/* lfsck_bookmark.c */
+void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des,
+ struct lfsck_bookmark *src);
int lfsck_bookmark_store(const struct lu_env *env,
struct lfsck_instance *lfsck);
int lfsck_bookmark_setup(const struct lu_env *env,
struct lfsck_instance *lfsck);
+int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck,
+ struct lfsck_start *start, bool reset);
/* lfsck_namespace.c */
+int lfsck_namespace_trace_update(const struct lu_env *env,
+ struct lfsck_component *com,
+ const struct lu_fid *fid,
+ const __u8 flags, bool add);
+int lfsck_namespace_check_exist(const struct lu_env *env,
+ struct dt_object *dir,
+ struct dt_object *obj, const char *name);
+int __lfsck_links_read(const struct lu_env *env, struct dt_object *obj,
+ struct linkea_data *ldata, bool with_rec);
+int lfsck_namespace_rebuild_linkea(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *obj,
+ struct linkea_data *ldata);
+int lfsck_namespace_repair_dangling(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *parent,
+ struct dt_object *child,
+ struct lfsck_namespace_req *lnr);
+int lfsck_namespace_repair_dirent(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *parent,
+ struct dt_object *child,
+ const char *name, const char *name2,
+ __u16 type, bool update, bool dec);
+int lfsck_verify_linkea(const struct lu_env *env, struct dt_object *obj,
+ const struct lu_name *cname, const struct lu_fid *pfid);
+int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj,
+ char *name, struct lu_fid *pfid);
+int lfsck_update_name_entry(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ struct dt_object *dir, const char *name,
+ const struct lu_fid *fid, __u32 type);
int lfsck_namespace_setup(const struct lu_env *env,
struct lfsck_instance *lfsck);
+/* lfsck_striped_dir.c */
+void lfsck_lmv_put(const struct lu_env *env, struct lfsck_lmv *llmv);
+int lfsck_read_stripe_lmv(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ struct dt_object *obj,
+ struct lmv_mds_md_v1 *lmv);
+int lfsck_shard_name_to_index(const struct lu_env *env, const char *name,
+ int namelen, __u16 type,
+ const struct lu_fid *fid);
+bool lfsck_is_valid_slave_name_entry(const struct lu_env *env,
+ struct lfsck_lmv *llmv,
+ const char *name, int namelen);
+int lfsck_namespace_check_name(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ struct dt_object *parent,
+ struct dt_object *child,
+ const struct lu_name *cname);
+int lfsck_namespace_update_lmv(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *obj,
+ struct lmv_mds_md_v1 *lmv, bool locked);
+int lfsck_namespace_verify_stripe_slave(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *obj,
+ struct lfsck_lmv *llmv);
+int lfsck_namespace_scan_shard(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *child);
+int lfsck_namespace_notify_lmv_master_local(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *obj);
+int lfsck_namespace_repair_bad_name_hash(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *shard,
+ struct lfsck_lmv *llmv,
+ const char *name);
+int lfsck_namespace_striped_dir_rescan(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_namespace_req *lnr);
+int lfsck_namespace_handle_striped_master(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_namespace_req *lnr);
+
/* lfsck_layout.c */
int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck);
+extern const char dot[];
+extern const char dotdot[];
extern const char *lfsck_flags_names[];
extern const char *lfsck_param_names[];
extern struct lu_context_key lfsck_thread_key;
+static inline struct dt_device *lfsck_obj2dev(struct dt_object *obj)
+{
+ return container_of0(obj->do_lu.lo_dev, struct dt_device, dd_lu_dev);
+}
+
static inline struct lfsck_thread_info *
lfsck_env_info(const struct lu_env *env)
{
{
struct lu_name *lname;
- lname = &lfsck_env_info(env)->lti_name;
+ lname = &lfsck_env_info(env)->lti_name_const;
lname->ln_name = area;
lname->ln_namelen = len;
return lname;
}
+static inline void
+lfsck_buf_init(struct lu_buf *buf, void *area, ssize_t len)
+{
+ buf->lb_buf = area;
+ buf->lb_len = len;
+}
+
static inline struct lu_buf *
lfsck_buf_get(const struct lu_env *env, void *area, ssize_t len)
{
static inline int lfsck_is_dead_obj(const struct dt_object *obj)
{
- struct lu_object_header *loh = obj->do_lu.lo_header;
-
- return !!test_bit(LU_OBJECT_HEARD_BANSHEE, &loh->loh_flags);
-}
-
-static inline struct dt_object *lfsck_object_find(const struct lu_env *env,
- struct lfsck_instance *lfsck,
- const struct lu_fid *fid)
-{
- return lu2dt(lu_object_find_slice(env, dt2lu_dev(lfsck->li_next),
- fid, NULL));
+ return lu_object_is_dying(obj->do_lu.lo_header);
}
static inline struct dt_object *lfsck_object_get(struct dt_object *obj)
static inline void lfsck_object_put(const struct lu_env *env,
struct dt_object *obj)
{
- lu_object_put(env, &obj->do_lu);
+ dt_object_put(env, obj);
+}
+
+static inline struct seq_server_site
+*lfsck_dev_site(struct lfsck_instance *lfsck)
+{
+ return lu_site2seq(lfsck->li_bottom->dd_lu_dev.ld_site);
+}
+
+static inline u32 lfsck_dev_idx(struct lfsck_instance *lfsck)
+{
+ return lfsck_dev_site(lfsck)->ss_node_id;
+}
+
+static inline struct dt_object *
+lfsck_object_find_by_dev_new(const struct lu_env *env, struct dt_device *dev,
+ const struct lu_fid *fid)
+{
+ struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf;
+
+ conf->loc_flags = LOC_F_NEW;
+ return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf));
+}
+
+static inline struct dt_object *
+lfsck_object_find_by_dev(const struct lu_env *env, struct dt_device *dev,
+ const struct lu_fid *fid)
+{
+ return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL));
+}
+
+static inline struct dt_device *
+lfsck_find_dev_by_fid(const struct lu_env *env, struct lfsck_instance *lfsck,
+ const struct lu_fid *fid)
+{
+ struct dt_device *dev;
+ int idx;
+
+ if (!lfsck->li_master)
+ return lfsck->li_bottom;
+
+ idx = lfsck_find_mdt_idx_by_fid(env, lfsck, fid);
+ if (idx < 0)
+ return ERR_PTR(idx);
+
+ if (idx == lfsck_dev_idx(lfsck)) {
+ dev = lfsck->li_bottom;
+ } else {
+ struct lfsck_tgt_desc *ltd;
+
+ ltd = lfsck_ltd2tgt(&lfsck->li_mdt_descs, idx);
+ if (unlikely(ltd == NULL))
+ return ERR_PTR(-ENODEV);
+
+ dev = ltd->ltd_tgt;
+ }
+
+ return dev;
+}
+
+static inline struct dt_object *
+lfsck_object_find_bottom(const struct lu_env *env, struct lfsck_instance *lfsck,
+ const struct lu_fid *fid)
+{
+ struct dt_device *dev;
+
+ dev = lfsck_find_dev_by_fid(env, lfsck, fid);
+ if (IS_ERR(dev))
+ return (struct dt_object *)dev;
+
+ return lfsck_object_find_by_dev(env, dev, fid);
+}
+
+static inline struct dt_object *
+lfsck_object_find_bottom_new(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ const struct lu_fid *fid)
+{
+ struct dt_device *dev;
+
+ dev = lfsck_find_dev_by_fid(env, lfsck, fid);
+ if (IS_ERR(dev))
+ return (struct dt_object *)dev;
+
+ return lfsck_object_find_by_dev_new(env, dev, fid);
+}
+
+static inline struct dt_object *
+lfsck_object_locate(struct dt_device *dev, struct dt_object *obj)
+{
+ if (lfsck_obj2dev(obj) == dev) {
+ return obj;
+ } else {
+ struct lu_object *lo;
+
+ lo = lu_object_locate(obj->do_lu.lo_header,
+ dev->dd_lu_dev.ld_type);
+ if (unlikely(lo == NULL))
+ return ERR_PTR(-ENOENT);
+
+ return lu2dt(lo);
+ }
}
static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
{
struct lfsck_tgt_desc *ltd;
- ltd = LTD_TGT(ltds, index);
+ ltd = lfsck_ltd2tgt(ltds, index);
if (ltd != NULL)
atomic_inc(<d->ltd_ref);
struct lfsck_component *com)
{
if (atomic_dec_and_test(&com->lc_ref)) {
+ struct lfsck_sub_trace_obj *lsto;
+ int i;
+
+ for (i = 0, lsto = &com->lc_sub_trace_objs[0];
+ i < LFSCK_STF_COUNT; i++, lsto++) {
+ if (lsto->lsto_obj != NULL)
+ lfsck_object_put(env, lsto->lsto_obj);
+ }
+
if (com->lc_obj != NULL)
- lu_object_put_nocache(env, &com->lc_obj->do_lu);
+ lfsck_object_put(env, com->lc_obj);
if (com->lc_file_ram != NULL)
OBD_FREE(com->lc_file_ram, com->lc_file_size);
if (com->lc_file_disk != NULL)
lfsck_instance_cleanup(env, lfsck);
}
-static inline mdsno_t lfsck_dev_idx(struct dt_device *dev)
+static inline bool lfsck_phase2_next_ready(struct lfsck_assistant_data *lad)
{
- return dev->dd_lu_dev.ld_site->ld_seq_site->ss_node_id;
+ return list_empty(&lad->lad_mdt_phase1_list) &&
+ (!list_empty(&lad->lad_ost_phase2_list) ||
+ list_empty(&lad->lad_ost_phase1_list));
}
+static inline void lfsck_lad_set_bitmap(const struct lu_env *env,
+ struct lfsck_component *com,
+ __u32 index)
+{
+ struct lfsck_assistant_data *lad = com->lc_data;
+ struct cfs_bitmap *bitmap = lad->lad_bitmap;
+
+ LASSERT(com->lc_lfsck->li_master);
+ LASSERT(bitmap != NULL);
+
+ if (likely(bitmap->size > index)) {
+ cfs_bitmap_set(bitmap, index);
+ set_bit(LAD_INCOMPLETE, &lad->lad_flags);
+ } else if (com->lc_type == LFSCK_TYPE_NAMESPACE) {
+ struct lfsck_namespace *ns = com->lc_file_ram;
+
+ ns->ln_flags |= LF_INCOMPLETE;
+ }
+
+ CDEBUG(D_LFSCK, "%s: %s LFSCK set bitmap (%p/%u) for idx %u\n",
+ lfsck_lfsck2name(com->lc_lfsck), lad->lad_name, bitmap,
+ bitmap->size, index);
+}
+
+static inline int lfsck_links_read(const struct lu_env *env,
+ struct dt_object *obj,
+ struct linkea_data *ldata)
+{
+ ldata->ld_buf =
+ lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
+ MAX_LINKEA_SIZE);
+
+ return __lfsck_links_read(env, obj, ldata, false);
+}
+
+/* Read linkEA for the given object, the linkEA should contain
+ * at least one entry, otherwise, -ENODATA will be returned. */
+static inline int lfsck_links_read_with_rec(const struct lu_env *env,
+ struct dt_object *obj,
+ struct linkea_data *ldata)
+{
+ ldata->ld_buf =
+ lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
+ MAX_LINKEA_SIZE);
+
+ return __lfsck_links_read(env, obj, ldata, true);
+}
+
+static inline int lfsck_links_read2_with_rec(const struct lu_env *env,
+ struct dt_object *obj,
+ struct linkea_data *ldata)
+{
+ ldata->ld_buf =
+ lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf2,
+ MAX_LINKEA_SIZE);
+
+ return __lfsck_links_read(env, obj, ldata, true);
+}
+
+static inline struct lfsck_lmv *lfsck_lmv_get(struct lfsck_lmv *llmv)
+{
+ if (llmv != NULL)
+ atomic_inc(&llmv->ll_ref);
+
+ return llmv;
+}
+
+static inline int lfsck_sub_trace_file_fid2idx(const struct lu_fid *fid)
+{
+ return fid->f_oid & (LFSCK_STF_COUNT - 1);
+}
+
+static inline void lfsck_lmv_header_le_to_cpu(struct lmv_mds_md_v1 *dst,
+ const struct lmv_mds_md_v1 *src)
+{
+ dst->lmv_magic = le32_to_cpu(src->lmv_magic);
+ dst->lmv_stripe_count = le32_to_cpu(src->lmv_stripe_count);
+ dst->lmv_master_mdt_index = le32_to_cpu(src->lmv_master_mdt_index);
+ dst->lmv_hash_type = le32_to_cpu(src->lmv_hash_type);
+ dst->lmv_layout_version = le32_to_cpu(src->lmv_layout_version);
+ dst->lmv_migrate_offset = le32_to_cpu(src->lmv_migrate_offset);
+ dst->lmv_migrate_hash = le32_to_cpu(src->lmv_migrate_hash);
+}
+
+static inline void lfsck_lmv_header_cpu_to_le(struct lmv_mds_md_v1 *dst,
+ const struct lmv_mds_md_v1 *src)
+{
+ dst->lmv_magic = cpu_to_le32(src->lmv_magic);
+ dst->lmv_stripe_count = cpu_to_le32(src->lmv_stripe_count);
+ dst->lmv_master_mdt_index = cpu_to_le32(src->lmv_master_mdt_index);
+ dst->lmv_hash_type = cpu_to_le32(src->lmv_hash_type);
+ dst->lmv_layout_version = cpu_to_le32(src->lmv_layout_version);
+ dst->lmv_migrate_offset = cpu_to_le32(src->lmv_migrate_offset);
+ dst->lmv_migrate_hash = cpu_to_le32(src->lmv_migrate_hash);
+}
+
+static inline struct lfsck_assistant_object *
+lfsck_assistant_object_get(struct lfsck_assistant_object *lso)
+{
+ atomic_inc(&lso->lso_ref);
+
+ return lso;
+}
+
+static inline void
+lfsck_assistant_object_put(const struct lu_env *env,
+ struct lfsck_assistant_object *lso)
+{
+ if (atomic_dec_and_test(&lso->lso_ref))
+ OBD_FREE_PTR(lso);
+}
#endif /* _LFSCK_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff