#include <lu_object.h>
#include <dt_object.h>
+/**
+ * status machine:
+ *
+ * LS_INIT
+ * |
+ * (lfsck|start)
+ * |
+ * v
+ * LS_SCANNING_PHASE1
+ * | ^
+ * | :
+ * | (lfsck:restart)
+ * | :
+ * v :
+ * -----------------------------------------------------------------
+ * | |^ |^ |^ |^ |^
+ * | |: |: |: |: |:
+ * v v: v: v: v: v:
+ * LS_SCANNING_PHASE2 LS_FAILED LS_STOPPED LS_PAUSED LS_CRASHED LS_PARTIAL
+ * (CO_) (CO_) (CO_)
+ * | ^ ^: ^: ^: ^: ^:
+ * | : |: |: |: |: |:
+ * | (lfsck:restart) |: |: |: |: |:
+ * v : |v |v |v |v |v
+ * -----------------------------------------------------------------
+ * |
+ * v
+ * LS_COMPLETED
+ */
+enum lfsck_status {
+ /* The lfsck file is new created, for new MDT, upgrading from old disk,
+ * or re-creating the lfsck file manually. */
+ LS_INIT = 0,
+
+ /* The first-step system scanning. */
+ LS_SCANNING_PHASE1 = 1,
+
+ /* The second-step system scanning. */
+ LS_SCANNING_PHASE2 = 2,
+
+ /* The LFSCK processing has completed for all objects. */
+ LS_COMPLETED = 3,
+
+ /* The LFSCK exited automatically for failure, will not auto restart. */
+ LS_FAILED = 4,
+
+ /* The LFSCK is stopped manually, will not auto restart. */
+ LS_STOPPED = 5,
+
+ /* LFSCK is paused automatically when umount,
+ * will be restarted automatically when remount. */
+ LS_PAUSED = 6,
+
+ /* System crashed during the LFSCK,
+ * will be restarted automatically after recovery. */
+ LS_CRASHED = 7,
+
+ /* Some OST/MDT failed during the LFSCK, or not join the LFSCK. */
+ LS_PARTIAL = 8,
+
+ /* The LFSCK is failed because its controller is failed. */
+ LS_CO_FAILED = 9,
+
+ /* The LFSCK is stopped because its controller is stopped. */
+ LS_CO_STOPPED = 10,
+
+ /* The LFSCK is paused because its controller is paused. */
+ LS_CO_PAUSED = 11,
+
+ LS_MAX
+};
+
struct lfsck_start_param {
struct lfsck_start *lsp_start;
- struct ldlm_namespace *lsp_namespace;
+ __u32 lsp_index;
+ unsigned int lsp_index_valid:1;
};
+/* For LE_PAIRS_VERIFY returned status */
+enum lfsck_pv_status {
+ LPVS_INIT = 0,
+ LPVS_INCONSISTENT = 1,
+ LPVS_INCONSISTENT_TOFIX = 2,
+};
+
+typedef int (*lfsck_out_notify)(const struct lu_env *env, void *data,
+ enum lfsck_events event);
+
+int lfsck_register_namespace(const struct lu_env *env, struct dt_device *key,
+ struct ldlm_namespace *ns);
int lfsck_register(const struct lu_env *env, struct dt_device *key,
- struct dt_device *next, bool master);
+ struct dt_device *next, struct obd_device *obd,
+ lfsck_out_notify notify, void *notify_data, bool master);
void lfsck_degister(const struct lu_env *env, struct dt_device *key);
+int lfsck_add_target(const struct lu_env *env, struct dt_device *key,
+ struct dt_device *tgt, struct obd_export *exp,
+ __u32 index, bool for_ost);
+void lfsck_del_target(const struct lu_env *env, struct dt_device *key,
+ struct dt_device *tgt, __u32 index, bool for_ost);
+
int lfsck_start(const struct lu_env *env, struct dt_device *key,
struct lfsck_start_param *lsp);
int lfsck_stop(const struct lu_env *env, struct dt_device *key,
- bool pause);
+ struct lfsck_stop *stop);
+int lfsck_in_notify(const struct lu_env *env, struct dt_device *key,
+ struct lfsck_request *lr);
+int lfsck_query(const struct lu_env *env, struct dt_device *key,
+ struct lfsck_request *lr);
-int lfsck_get_speed(struct dt_device *key, void *buf, int len);
+int lfsck_get_speed(struct seq_file *m, struct dt_device *key);
int lfsck_set_speed(struct dt_device *key, int val);
+int lfsck_get_windows(struct seq_file *m, struct dt_device *key);
+int lfsck_set_windows(struct dt_device *key, int val);
+
+int lfsck_dump(struct seq_file *m, struct dt_device *key, enum lfsck_type type);
-int lfsck_dump(struct dt_device *key, void *buf, int len, __u16 type);
+static inline void lfsck_pack_rfa(struct lfsck_request *lr,
+ const struct lu_fid *fid)
+{
+ memset(lr, 0, sizeof(*lr));
+ lr->lr_event = LE_FID_ACCESSED;
+ lr->lr_active = LFSCK_TYPE_LAYOUT;
+ lr->lr_fid = *fid;
+}
#endif /* _LUSTRE_LFSCK_H */