#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,
__u64 lb_reserved[2];
};
+enum lfsck_namespace_trace_flags {
+ LNTF_CHECK_LINKEA = 0x01,
+ LNTF_CHECK_PARENT = 0x02,
+ 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 {
/* Magic number to detect that this struct contains valid data. */
__u32 ln_magic;
/* 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 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;
+
+ /* The size of MDT targets bitmap with nbits. Such bitmap records
+ * the MDTs that contain non-verified MDT-objects. */
+ __u32 ln_bitmap_size;
+
+ __u32 ln_reserved_1;
+ /* For further using. 256-bytes aligned now. */
+ __u64 ln_reserved[25];
};
enum lfsck_layout_inconsistency_type {
* 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;
+ __u64 ll_reserved_2[11];
+
+ /* The OST targets bitmap to record the OSTs that contain
+ * non-verified OST-objects. */
+ __u8 ll_ost_bitmap[0];
};
struct lfsck_component;
int (*lfsck_exec_dir)(const struct lu_env *env,
struct lfsck_component *com,
- struct dt_object *obj,
- struct lu_dirent *ent);
+ struct lu_dirent *ent,
+ __u16 type);
int (*lfsck_post)(const struct lu_env *env,
struct lfsck_component *com,
int result,
bool init);
- int (*lfsck_interpret)(const struct lu_env *env,
- struct ptlrpc_request *req,
- void *args,
- int rc);
-
int (*lfsck_dump)(const struct lu_env *env,
struct lfsck_component *com,
struct seq_file *m);
int (*lfsck_query)(const struct lu_env *env,
struct lfsck_component *com);
- int (*lfsck_stop_notify)(const struct lu_env *env,
- struct lfsck_component *com,
- struct lfsck_tgt_descs *ltds,
- struct lfsck_tgt_desc *ltd,
- struct ptlrpc_request_set *set);
-
int (*lfsck_join)(const struct lu_env *env,
struct lfsck_component *com,
struct lfsck_start_param *lsp);
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;
atomic_t ltd_ref;
__u32 ltd_index;
__u32 ltd_layout_gen;
+ __u32 ltd_namespace_gen;
unsigned int ltd_dead:1,
- ltd_layout_done:1;
+ ltd_layout_done:1,
+ ltd_namespace_done:1,
+ ltd_namespace_failed:1;
};
struct lfsck_tgt_desc_idx {
/* How many objects have been scanned since last sleep. */
__u32 lc_new_scanned;
- unsigned int lc_journal:1;
__u16 lc_type;
};
struct lfsck_bookmark li_bookmark_ram;
struct lfsck_bookmark li_bookmark_disk;
struct lfsck_position li_pos_current;
+ struct lfsck_position li_pos_checkpoint;
/* Obj for otable-based iteration */
struct dt_object *li_obj_oit;
li_start_unplug:1;
};
-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_start_param *lta_lsp;
};
+struct lfsck_assistant_req {
+ struct list_head lar_list;
+};
+
+struct lfsck_namespace_req {
+ struct lfsck_assistant_req lnr_lar;
+ struct dt_object *lnr_obj;
+ struct lu_fid lnr_fid;
+ __u64 lnr_oit_cookie;
+ __u64 lnr_dir_cookie;
+ __u32 lnr_attr;
+ __u32 lnr_size;
+ __u16 lnr_type;
+ __u16 lnr_namelen;
+ char lnr_name[0];
+};
+
+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 phase1 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 phase1 scanning. */
+ struct list_head lad_mdt_phase2_list;
+
+ const char *lad_name;
+ struct ptlrpc_thread lad_thread;
+
+ struct lfsck_assistant_operations *lad_ops;
+
+ cfs_bitmap_t *lad_bitmap;
+
+ __u32 lad_touch_gen;
+ int lad_prefetched;
+ int lad_assistant_status;
+ int lad_post_result;
+ unsigned int lad_to_post:1,
+ lad_to_double_scan:1,
+ lad_in_double_scan:1,
+ lad_exit:1,
+ lad_incomplete:1;
+};
+
#define LFSCK_TMPBUF_LEN 64
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_fid lti_fid5;
struct lu_attr lti_la;
struct lu_attr lti_la2;
struct lu_attr lti_la3;
char lti_tmpbuf[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;
ldlm_policy_data_t lti_policy;
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;
};
/* lfsck_lib.c */
struct dt_object *obj, struct lustre_handle *lh,
__u64 bits, ldlm_mode_t mode);
void lfsck_ibits_unlock(struct lustre_handle *lh, ldlm_mode_t mode);
+int lfsck_find_mdt_idx_by_fid(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ const struct lu_fid *fid);
int lfsck_create_lpf(const struct lu_env *env, struct lfsck_instance *lfsck);
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 __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);
-struct lfsck_thread_args *lfsck_thread_args_init(struct lfsck_instance *lfsck,
- struct lfsck_component *com,
- struct lfsck_start_param *lsp);
void lfsck_thread_args_fini(struct lfsck_thread_args *lta);
+struct lfsck_assistant_data *
+lfsck_assistant_data_init(struct lfsck_assistant_operations *lao,
+ const char *name);
+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_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);
/* lfsck_engine.c */
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_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_links_read(const struct lu_env *env, struct dt_object *obj,
+ struct linkea_data *ldata);
+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 *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_device *dev,
struct dt_object *obj, const struct lu_name *cname,
const struct lu_fid *pfid);
/* 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;
{
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;
lu_object_put(env, &obj->do_lu);
}
+static inline u32 lfsck_dev_idx(struct dt_device *dev)
+{
+ return dev->dd_lu_dev.ld_site->ld_seq_site->ss_node_id;
+}
+
static inline struct dt_object *
lfsck_object_find_by_dev_nowait(const struct lu_env *env, struct dt_device *dev,
const struct lu_fid *fid)
return lfsck_object_find_by_dev(env, lfsck->li_next, fid);
}
+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;
+ int idx;
+
+ idx = lfsck_find_mdt_idx_by_fid(env, lfsck, fid);
+ if (idx < 0)
+ return ERR_PTR(idx);
+
+ if (idx == lfsck_dev_idx(lfsck->li_bottom)) {
+ dev = lfsck->li_bottom;
+ } else {
+ struct lfsck_tgt_desc *ltd;
+
+ ltd = LTD_TGT(&lfsck->li_mdt_descs, idx);
+ if (unlikely(ltd == NULL))
+ return ERR_PTR(-ENODEV);
+
+ dev = ltd->ltd_tgt;
+ }
+
+ return lfsck_object_find_by_dev(env, dev, fid);
+}
+
static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
__u32 index)
{
lfsck_instance_cleanup(env, lfsck);
}
-static inline u32 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;
+ cfs_bitmap_t *bitmap = lad->lad_bitmap;
+
+ LASSERT(com->lc_lfsck->li_master);
+ LASSERT(bitmap != NULL);
+ LASSERTF(bitmap->size > index, "invalid index: nbits %d, index %u\n",
+ bitmap->size, index);
+
+ cfs_bitmap_set(bitmap, index);
+ lad->lad_incomplete = 1;
+}
+
+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,
+ PAGE_CACHE_SIZE);
+
+ return __lfsck_links_read(env, obj, ldata);
+}
+
+static inline int lfsck_links_read2(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,
+ PAGE_CACHE_SIZE);
+
+ return __lfsck_links_read(env, obj, ldata);
}
#endif /* _LFSCK_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff