/* How many items can be scanned at most per second. */
__u32 lb_speed_limit;
+ /* The windows size for async requests pipeline. */
+ __u16 lb_async_windows;
+
/* For 64-bits aligned. */
- __u32 lb_padding;
+ __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];
};
struct lfsck_namespace {
/* The latest object has been processed (failed) during double scan. */
struct lu_fid ln_fid_latest_scanned_phase2;
- /* For further using. 256-bytes aligned now. */
- __u64 ln_reserved[2];
+ /* How many FID-in-dirent entries have been repaired. */
+ __u64 ln_dirent_repaired;
+
+ /* How many linkEA entries have been repaired. */
+ __u64 ln_linkea_repaired;
};
enum lfsck_layout_inconsistency_type {
/* 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];
};
struct lfsck_component;
+struct lfsck_tgt_descs;
+struct lfsck_tgt_desc;
struct lfsck_operations {
int (*lfsck_reset)(const struct lu_env *env,
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 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,
- char *buf,
- int len);
+ struct seq_file *m);
int (*lfsck_double_scan)(const struct lu_env *env,
struct lfsck_component *com);
void (*lfsck_data_release)(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)(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);
+
+ 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);
};
+#define TGT_PTRS 256 /* number of pointers at 1st level */
+#define TGT_PTRS_PER_BLOCK 256 /* number of pointers at 2nd level */
+
+struct lfsck_tgt_desc {
+ struct list_head ltd_orphan_list;
+ struct dt_device *ltd_tgt;
+ struct dt_device *ltd_key;
+ struct obd_export *ltd_exp;
+ struct list_head ltd_layout_list;
+ struct list_head ltd_layout_phase_list;
+ atomic_t ltd_ref;
+ __u32 ltd_index;
+ __u32 ltd_layout_gen;
+ unsigned int ltd_dead:1,
+ ltd_layout_done:1;
+};
+
+struct lfsck_tgt_desc_idx {
+ struct lfsck_tgt_desc *ldi_tgts[TGT_PTRS_PER_BLOCK];
+};
+
+struct lfsck_tgt_descs {
+ /* list of known TGTs */
+ struct lfsck_tgt_desc_idx *ltd_tgts_idx[TGT_PTRS];
+
+ /* bitmap of TGTs available */
+ cfs_bitmap_t *ltd_tgts_bitmap;
+
+ /* for lfsck_tgt_desc::ltd_xxx_list */
+ spinlock_t ltd_lock;
+
+ /* for tgts table accessing and changes */
+ struct rw_semaphore ltd_rw_sem;
+
+ /* Temporary list for orphan targets. */
+ struct list_head ltd_orphan;
+
+ /* number of registered TGTs */
+ int ltd_tgtnr;
+};
+
+#define LTD_TGT(ltd, index) \
+ ((ltd)->ltd_tgts_idx[(index) / TGT_PTRS_PER_BLOCK]->\
+ ldi_tgts[(index) % TGT_PTRS_PER_BLOCK])
+
+#define OST_TGT(lfsck, index) LTD_TGT(&lfsck->li_ost_descs, index)
+#define MDT_TGT(lfsck, index) LTD_TGT(&lfsck->li_mdt_descs, index)
+
struct lfsck_component {
/* into lfsck_instance::li_list_(scan,double_scan,idle} */
cfs_list_t lc_link;
/* into lfsck_instance::li_list_dir */
cfs_list_t lc_link_dir;
+
struct rw_semaphore lc_sem;
atomic_t lc_ref;
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;
cfs_list_t li_list_idle;
atomic_t li_ref;
+ atomic_t li_double_scan_count;
struct ptlrpc_thread li_thread;
/* The time for last checkpoint, jiffies */
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_bookmark_obj;
+ struct dt_object *li_lpf_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;
/* It for directory traversal */
struct dt_it *li_di_dir;
+ /* Description of OST */
+ struct lfsck_tgt_descs li_ost_descs;
+
+ /* Description of MDT */
+ struct lfsck_tgt_descs li_mdt_descs;
+
/* namespace-based directory traversal position. */
__u64 li_cookie_dir;
/* 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;
};
enum lfsck_linkea_flags {
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;
+ 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;
};
+#define LFSCK_TMPBUF_LEN 64
+
struct lfsck_thread_info {
struct lu_name lti_name;
struct lu_buf lti_buf;
struct lu_buf lti_linkea_buf;
+ struct lu_buf lti_big_buf;
struct lu_fid lti_fid;
struct lu_fid lti_fid2;
+ struct lu_fid lti_fid3;
struct lu_attr lti_la;
+ struct lu_attr lti_la2;
+ struct lu_attr lti_la3;
struct ost_id lti_oi;
union {
struct lustre_mdt_attrs lti_lma;
* then lti_ent::lde_name will be lti_key. */
struct lu_dirent lti_ent;
char lti_key[NAME_MAX + 16];
+ char lti_tmpbuf[LFSCK_TMPBUF_LEN];
+ struct lfsck_request lti_lr;
+ struct lfsck_async_interpret_args lti_laia;
+ struct lfsck_start lti_start;
+ struct lfsck_stop lti_stop;
+ ldlm_policy_data_t lti_policy;
+ struct ldlm_res_id lti_resid;
+ union {
+ struct filter_fid_old lti_old_pfid;
+ struct filter_fid lti_new_pfid;
+ };
+ struct dt_allocation_hint lti_hint;
+ struct lu_orphan_rec lti_rec;
+ struct lov_user_md lti_lum;
};
/* lfsck_lib.c */
+int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck,
+ struct lu_fid *fid, bool locked);
+int lfsck_create_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);
const char *lfsck_status2names(enum lfsck_status status);
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[],
+int lfsck_bits_dump(struct seq_file *m, int bits, const char *names[],
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,
+int lfsck_time_dump(struct seq_file *m, __u64 time, const char *prefix);
+int lfsck_pos_dump(struct seq_file *m, 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);
+ struct lfsck_component *com,
+ struct lfsck_start_param *lsp);
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_prep(const struct lu_env *env, struct lfsck_instance *lfsck,
+ struct lfsck_start_param *lsp);
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,
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);
+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);
/* lfsck_engine.c */
int lfsck_master_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_setup(const struct lu_env *env,
extern const char *lfsck_param_names[];
extern struct lu_context_key lfsck_thread_key;
+static inline struct dt_device *lfsck_obj2dt_dev(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)
{
lu_object_put(env, &obj->do_lu);
}
+static inline struct dt_object *
+lfsck_object_find_by_dev(const struct lu_env *env, struct dt_device *dev,
+ const struct lu_fid *fid)
+{
+ struct dt_object *obj;
+
+ obj = lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL));
+ if (unlikely(obj == NULL))
+ return ERR_PTR(-ENOENT);
+
+ return obj;
+}
+
+static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
+ __u32 index)
+{
+ struct lfsck_tgt_desc *ltd;
+
+ ltd = LTD_TGT(ltds, index);
+ if (ltd != NULL)
+ atomic_inc(<d->ltd_ref);
+
+ return ltd;
+}
+
+static inline void lfsck_tgt_put(struct lfsck_tgt_desc *ltd)
+{
+ if (atomic_dec_and_test(<d->ltd_ref))
+ OBD_FREE_PTR(ltd);
+}
+
static inline struct lfsck_component *
lfsck_component_get(struct lfsck_component *com)
{
git://git.whamcloud.com / fs / lustre-release.git / blobdiff