#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,
* 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;
};
struct lfsck_tgt_desc_idx {
struct list_head ltd_orphan;
/* number of registered TGTs */
- int ltd_tgtnr;
+ __u32 ltd_tgtnr;
};
#define LTD_TGT(ltd, index) \
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;
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;
atomic_t li_ref;
atomic_t li_double_scan_count;
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;
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_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 {
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 dt_allocation_hint lti_hint;
struct lu_orphan_rec lti_rec;
struct lov_user_md lti_lum;
+ struct dt_insert_rec lti_dt_rec;
+ struct lu_object_conf lti_conf;
};
/* lfsck_lib.c */
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, ldlm_mode_t mode);
+void lfsck_ibits_unlock(struct lustre_handle *lh, ldlm_mode_t mode);
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 unlink);
struct lfsck_component *lfsck_component_find(struct lfsck_instance *lfsck,
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_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,
- 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,
- 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);
+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_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);
+int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj,
+ char *name, struct lu_fid *pfid);
+int lfsck_remove_name_entry(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ struct dt_object *parent,
+ const char *name, __u32 type);
+int lfsck_update_name_entry(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ struct dt_object *parent, const char *name,
+ const struct lu_fid *pfid, __u32 type);
int lfsck_namespace_setup(const struct lu_env *env,
struct lfsck_instance *lfsck);
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)
{
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));
-}
-
static inline struct dt_object *lfsck_object_get(struct dt_object *obj)
{
lu_object_get(&obj->do_lu);
}
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)
+{
+ struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf;
+ struct dt_object *obj;
+
+ conf->loc_flags = LOC_F_NOWAIT;
+ obj = lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf));
+ if (unlikely(obj == NULL))
+ return ERR_PTR(-ENOENT);
+
+ return obj;
+}
+
+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 obj;
}
+static inline struct dt_object *lfsck_object_find(const struct lu_env *env,
+ struct lfsck_instance *lfsck,
+ const struct lu_fid *fid)
+{
+ return lfsck_object_find_by_dev(env, lfsck->li_next, fid);
+}
+
static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
__u32 index)
{
lfsck_instance_cleanup(env, lfsck);
}
-static inline mdsno_t lfsck_dev_idx(struct dt_device *dev)
+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 bool lfsck_phase2_next_ready(struct lfsck_assistant_data *lad)
+{
+ 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;
+}
+
#endif /* _LFSCK_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff