* GPL HEADER END
*/
/*
- * Copyright (c) 2013, Intel Corporation.
+ * Copyright (c) 2013, 2017, Intel Corporation.
*/
/*
* lustre/include/lustre_lfsck.h
#ifndef _LUSTRE_LFSCK_H
# define _LUSTRE_LFSCK_H
-#include <lustre/lustre_lfsck_user.h>
+#include <uapi/linux/lustre/lustre_lfsck_user.h>
#include <lustre_dlm.h>
#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
- * | ^ ^: ^: ^: ^: ^:
- * | : |: |: |: |: |:
- * | (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,
+struct lfsck_start_param {
+ struct lfsck_start *lsp_start;
+ __u32 lsp_index;
+ unsigned int lsp_index_valid:1;
+};
- /* Some OST/MDT failed during the LFSCK, or not join the LFSCK. */
- LS_PARTIAL = 8,
+/* For LE_PAIRS_VERIFY returned status */
+enum lfsck_pv_status {
+ LPVS_INIT = 0,
+ LPVS_INCONSISTENT = 1,
+ LPVS_INCONSISTENT_TOFIX = 2,
+};
- LS_MAX
+enum lfsck_events_local {
+ LEL_FID_ACCESSED = 1,
+ LEL_PAIRS_VERIFY_LOCAL = 2,
};
-struct lfsck_start_param {
- struct lfsck_start *lsp_start;
- struct ldlm_namespace *lsp_namespace;
+struct lfsck_req_local {
+ __u32 lrl_event;
+ __u32 lrl_status;
+ __u16 lrl_active;
+ __u16 lrl_padding0;
+ __u32 lrl_padding1;
+ struct lu_fid lrl_fid;
+ struct filter_fid lrl_ff_client;
+ struct filter_fid lrl_ff_local;
};
-enum lfsck_events {
- LE_LASTID_REBUILDING = 1,
- LE_LASTID_REBUILT = 2,
+struct lfsck_layout_dangling_key {
+ struct lu_fid lldk_fid;
+ __u32 lldk_comp_id;
+ __u32 lldk_ea_off;
};
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, lfsck_out_notify notify,
- void *notify_data, 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);
-
-int lfsck_get_speed(struct dt_device *key, void *buf, int len);
-int lfsck_set_speed(struct dt_device *key, int val);
-
-int lfsck_dump(struct dt_device *key, void *buf, int len, enum lfsck_type type);
-
+ struct lfsck_stop *stop);
+int lfsck_in_notify_local(const struct lu_env *env, struct dt_device *key,
+ struct lfsck_req_local *lrl, struct thandle *th);
+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 *req, struct lfsck_reply *rep,
+ struct lfsck_query *que);
+
+int lfsck_get_speed(char *buf, struct dt_device *key);
+int lfsck_set_speed(struct dt_device *key, __u32 val);
+int lfsck_get_windows(char *buf, struct dt_device *key);
+int lfsck_set_windows(struct dt_device *key, unsigned int val);
+
+int lfsck_dump(struct seq_file *m, struct dt_device *key, enum lfsck_type type);
+
+static inline void lfsck_pack_rfa(struct lfsck_req_local *lrl,
+ const struct lu_fid *fid,
+ enum lfsck_events_local event, __u16 com)
+{
+ memset(lrl, 0, sizeof(*lrl));
+ lrl->lrl_fid = *fid;
+ lrl->lrl_event = event;
+ lrl->lrl_active = com;
+}
+
+static inline bool lovea_slot_is_dummy(const struct lov_ost_data_v1 *obj)
+{
+ /* zero area does not care about the bytes-order. */
+ if (obj->l_ost_oi.oi.oi_id == 0 && obj->l_ost_oi.oi.oi_seq == 0 &&
+ obj->l_ost_idx == 0 && obj->l_ost_gen == 0)
+ return true;
+
+ return false;
+}
#endif /* _LUSTRE_LFSCK_H */