* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* operation, and updates on each MDTs are linked to
* dtr_sub_list */
struct distribute_txn_replay_req {
- /* update record */
+ /* update record, may be vmalloc'd */
struct llog_update_record *dtrq_lur;
int dtrq_lur_size;
/* linked to the distribute transaction replay
* list (tdtd_replay_list) */
struct list_head dtrq_list;
+ __u64 dtrq_master_transno;
+ __u64 dtrq_batchid;
+ __u64 dtrq_xid;
/* all of sub updates are linked here */
struct list_head dtrq_sub_list;
spinlock_t dtrq_sub_list_lock;
+
+ /* If the local update has been executed during replay */
+ __u32 dtrq_local_update_executed:1;
};
/* Each one represents a sub replay item under a distribute
/* recovery update */
distribute_txn_replay_handler_t tdtd_replay_handler;
struct list_head tdtd_replay_list;
+ struct list_head tdtd_replay_finish_list;
spinlock_t tdtd_replay_list_lock;
/* last replay update transno */
- __u64 tdtd_last_update_transno;
__u32 tdtd_replay_ready:1;
+ /* Manage the llog recovery threads */
+ atomic_t tdtd_recovery_threads_count;
+ wait_queue_head_t tdtd_recovery_threads_waitq;
};
struct lu_target {
struct dt_object *lut_reply_data;
/** Bitmap of used slots in the reply data file */
unsigned long **lut_reply_bitmap;
+ /** target sync count, used for debug & test */
+ atomic_t lut_sync_count;
};
/* number of slots in reply bitmap */
bool tsi_preprocessed;
/* request JobID */
char *tsi_jobid;
+
+ /* update replay */
+ __u64 tsi_xid;
+ __u32 tsi_result;
+ __u32 tsi_client_gen;
};
static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi);
int tgt_sec_ctx_fini(struct tgt_session_info *tsi);
int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
+int tgt_send_buffer(struct tgt_session_info *tsi, struct lu_rdbuf *rdbuf);
int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa);
int tgt_sync(const struct lu_env *env, struct lu_target *tgt,
struct dt_object *obj, __u64 start, __u64 end);
int tgt_extent_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
__u64 start, __u64 end, struct lustre_handle *lh,
int mode, __u64 *flags);
-void tgt_extent_unlock(struct lustre_handle *lh, ldlm_mode_t mode);
+void tgt_extent_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
int tgt_brw_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
struct obd_ioobj *obj, struct niobuf_remote *nb,
- struct lustre_handle *lh, int mode);
+ struct lustre_handle *lh, enum ldlm_mode mode);
void tgt_brw_unlock(struct obd_ioobj *obj, struct niobuf_remote *niob,
- struct lustre_handle *lh, int mode);
+ struct lustre_handle *lh, enum ldlm_mode mode);
int tgt_brw_read(struct tgt_session_info *tsi);
int tgt_brw_write(struct tgt_session_info *tsi);
int tgt_hpreq_handler(struct ptlrpc_request *req);
struct thandle *));
void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
struct dt_device *,
- struct lfsck_request *));
+ struct lfsck_request *,
+ struct lfsck_reply *,
+ struct lfsck_query *));
bool req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
+extern struct tgt_handler tgt_sec_ctx_handlers[];
extern struct tgt_handler tgt_lfsck_handlers[];
extern struct tgt_handler tgt_obd_handlers[];
extern struct tgt_handler tgt_dlm_handlers[];
/* target/tgt_main.c */
void tgt_boot_epoch_update(struct lu_target *lut);
+void tgt_save_slc_lock(struct ldlm_lock *lock, __u64 transno);
+void tgt_discard_slc_lock(struct ldlm_lock *lock);
int tgt_last_commit_cb_add(struct thandle *th, struct lu_target *lut,
struct obd_export *exp, __u64 transno);
int tgt_new_client_cb_add(struct thandle *th, struct obd_export *exp);
loff_t off);
int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt);
bool tgt_lookup_reply(struct ptlrpc_request *req, struct tg_reply_data *trd);
+int tgt_add_reply_data(const struct lu_env *env, struct lu_target *tgt,
+ struct tg_export_data *ted, struct tg_reply_data *trd,
+ struct thandle *th, bool update_lrd_file);
+struct tg_reply_data *tgt_lookup_reply_by_xid(struct tg_export_data *ted,
+ __u64 xid);
/* target/update_trans.c */
int distribute_txn_init(const struct lu_env *env,
void dtrq_destroy(struct distribute_txn_replay_req *dtrq);
struct distribute_txn_replay_req_sub *
dtrq_sub_lookup(struct distribute_txn_replay_req *dtrq, __u32 mdt_index);
-
+struct distribute_txn_replay_req *
+distribute_txn_lookup_finish_list(struct target_distribute_txn_data *tdtd,
+ __u64 transno);
+bool is_req_replayed_by_update(struct ptlrpc_request *req);
enum {
ESERIOUS = 0x0001000
};