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LU-14459 mdt: support fixed directory layout
[fs/lustre-release.git] / lustre / include / lustre_lfsck.h
index 1209bc2..64b0d55 100644 (file)
@@ -20,7 +20,7 @@
  * 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
- *                       (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;
        __u32                    lsp_index;
        unsigned int             lsp_index_valid:1;
 };
 
-enum lfsck_events {
-       LE_LASTID_REBUILDING    = 1,
-       LE_LASTID_REBUILT       = 2,
-       LE_PHASE1_DONE          = 3,
-       LE_PHASE2_DONE          = 4,
-       LE_START                = 5,
-       LE_STOP                 = 6,
-       LE_QUERY                = 7,
-       LE_FID_ACCESSED         = 8,
-       LE_PEER_EXIT            = 9,
+/* For LE_PAIRS_VERIFY returned status */
+enum lfsck_pv_status {
+       LPVS_INIT               = 0,
+       LPVS_INCONSISTENT       = 1,
+       LPVS_INCONSISTENT_TOFIX = 2,
+};
+
+enum lfsck_events_local {
+       LEL_FID_ACCESSED        = 1,
+       LEL_PAIRS_VERIFY_LOCAL  = 2,
 };
 
-enum lfsck_event_flags {
-       LEF_TO_OST              = 0x00000001,
-       LEF_FROM_OST            = 0x00000002,
+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;
+};
+
+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,
@@ -153,25 +93,38 @@ 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,
               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 *lr);
+               struct lfsck_request *req, struct lfsck_reply *rep,
+               struct lfsck_query *que);
 
-int lfsck_get_speed(struct dt_device *key, void *buf, int len);
-int lfsck_set_speed(struct dt_device *key, int val);
-int lfsck_get_windows(struct dt_device *key, void *buf, int len);
-int lfsck_set_windows(struct dt_device *key, int val);
+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 dt_device *key, void *buf, int len, enum lfsck_type type);
+int lfsck_dump(struct seq_file *m, struct dt_device *key, enum lfsck_type type);
 
-static inline void lfsck_pack_rfa(struct lfsck_request *lr,
-                                 const struct lu_fid *fid)
+static inline void lfsck_pack_rfa(struct lfsck_req_local *lrl,
+                                 const struct lu_fid *fid,
+                                 enum lfsck_events_local event, __u16 com)
 {
-       memset(lr, 0, sizeof(*lr));
-       lr->lr_event = LE_FID_ACCESSED;
-       lr->lr_active = LT_LAYOUT;
-       lr->lr_fid = *fid;
+       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 */