struct list_head tdtd_list;
/* Threads to manage distribute transaction */
- wait_queue_head_t tdtd_commit_thread_waitq;
+ struct task_struct *tdtd_commit_task;
atomic_t tdtd_refcount;
+ struct lu_env tdtd_env;
/* recovery update */
distribute_txn_replay_handler_t tdtd_replay_handler;
struct dt_device_param lut_dt_conf;
struct target_distribute_txn_data *lut_tdtd;
- struct ptlrpc_thread lut_tdtd_commit_thread;
/* supported opcodes and handlers for this target */
struct tgt_opc_slice *lut_slice;
unsigned int lut_syncjournal:1,
lut_sync_lock_cancel:2,
/* e.g. OST node */
- lut_no_reconstruct:1;
+ lut_no_reconstruct:1,
+ /* enforce recovery for local clients */
+ lut_local_recovery:1;
/** last_rcvd file */
struct dt_object *lut_last_rcvd;
/* transaction callbacks */
/* target grants fields */
struct tg_grants_data lut_tgd;
+
+ /* target tunables */
+ const struct attribute **lut_attrs;
+
+ /* FMD (file modification data) values */
+ int lut_fmd_max_num;
+ time64_t lut_fmd_max_age;
};
+#define LUT_FMD_MAX_NUM_DEFAULT 128
+#define LUT_FMD_MAX_AGE_DEFAULT (obd_timeout + 10)
+
/* number of slots in reply bitmap */
#define LUT_REPLY_SLOTS_PER_CHUNK (1<<20)
#define LUT_REPLY_SLOTS_MAX_CHUNKS 16
+#define TRD_INDEX_MEMORY -1
+
/**
* Target reply data
*/
/*
* struct *_body is passed in the incoming message, and object
* identified by this fid exists on disk.
- * *
- * "habeo corpus" == "I have a body"
*/
- HABEO_CORPUS = (1 << 0),
+ HAS_BODY = BIT(0),
/*
* struct ldlm_request is passed in the incoming message.
- *
- * "habeo clavis" == "I have a key"
- * */
- HABEO_CLAVIS = (1 << 1),
+ */
+ HAS_KEY = BIT(1),
/*
* this request has fixed reply format, so that reply message can be
* packed by generic code.
- *
- * "habeo refero" == "I have a reply"
*/
- HABEO_REFERO = (1 << 2),
+ HAS_REPLY = BIT(2),
/*
* this request will modify something, so check whether the file system
* is readonly or not, then return -EROFS to client asap if necessary.
- *
- * "mutabor" == "I shall modify"
*/
- MUTABOR = (1 << 3)
+ IS_MUTABLE = BIT(3)
};
struct tgt_handler {
return exp_connect_flags(exp) & OBD_CONNECT_MULTIMODRPCS;
}
+static inline bool tgt_is_increasing_xid_client(struct obd_export *exp)
+{
+ return exp_connect_flags2(exp) & OBD_CONNECT2_INC_XID;
+}
/* target/tgt_handler.c */
int tgt_request_handle(struct ptlrpc_request *req);
int tgt_bl_callback(struct tgt_session_info *tsi);
int tgt_cp_callback(struct tgt_session_info *tsi);
int tgt_llog_open(struct tgt_session_info *tsi);
-int tgt_llog_close(struct tgt_session_info *tsi);
-int tgt_llog_destroy(struct tgt_session_info *tsi);
int tgt_llog_read_header(struct tgt_session_info *tsi);
int tgt_llog_next_block(struct tgt_session_info *tsi);
int tgt_llog_prev_block(struct tgt_session_info *tsi);
int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
struct lustre_handle *lh, int mode, __u64 *flags);
-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_mdt_data_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
+int tgt_extent_lock(const struct lu_env *env, 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, enum ldlm_mode mode);
int tgt_brw_read(struct tgt_session_info *tsi);
int tgt_brw_write(struct tgt_session_info *tsi);
struct lfsck_request *,
struct lfsck_reply *,
struct lfsck_query *));
-bool req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
+int 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[];
int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg,
int sync);
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);
+int tgt_lookup_reply(struct ptlrpc_request *req, struct tg_reply_data *trd);
+int tgt_mk_reply_data(const struct lu_env *env, struct lu_target *tgt,
+ struct tg_export_data *ted, struct ptlrpc_request *req,
+ __u64 opdata, struct thandle *th, bool write_update,
+ __u64 transno);
struct tg_reply_data *tgt_lookup_reply_by_xid(struct tg_export_data *ted,
__u64 xid);
+int tgt_tunables_init(struct lu_target *lut);
+void tgt_tunables_fini(struct lu_target *lut);
/* target/tgt_grant.c */
static inline int exp_grant_param_supp(struct obd_export *exp)
int tgt_statfs_internal(const struct lu_env *env, struct lu_target *lut,
struct obd_statfs *osfs, time64_t max_age,
int *from_cache);
-int tgt_tot_dirty_seq_show(struct seq_file *m, void *data);
-int tgt_tot_granted_seq_show(struct seq_file *m, void *data);
-int tgt_tot_pending_seq_show(struct seq_file *m, void *data);
-int tgt_grant_compat_disable_seq_show(struct seq_file *m, void *data);
-ssize_t tgt_grant_compat_disable_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off);
+ssize_t tot_dirty_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t tot_granted_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t tot_pending_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t grant_compat_disable_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t grant_compat_disable_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count);
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
+ssize_t sync_lock_cancel_show(struct kobject *kobj,
+ struct attribute *attr, char *buf);
+ssize_t sync_lock_cancel_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count);
+#endif
+
+/* FMD */
+void tgt_fmd_update(struct obd_export *exp, const struct lu_fid *fid,
+ __u64 xid);
+bool tgt_fmd_check(struct obd_export *exp, const struct lu_fid *fid,
+ __u64 xid);
+#ifdef DO_FMD_DROP
+void tgt_fmd_drop(struct obd_export *exp, const struct lu_fid *fid);
+#else
+#define tgt_fmd_drop(exp, fid) do {} while (0)
+#endif
/* target/update_trans.c */
int distribute_txn_init(const struct lu_env *env,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff