* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lustre_export.h>
#include <lustre_update.h>
#include <lustre_disk.h>
+#include <lustre_lfsck.h>
+
+/* Each one represents a distribute transaction replay
+ * operation, and updates on each MDTs are linked to
+ * dtr_sub_list */
+struct distribute_txn_replay_req {
+ /* update record */
+ 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;
+
+ /* all of sub updates are linked here */
+ struct list_head dtrq_sub_list;
+ spinlock_t dtrq_sub_list_lock;
+};
+
+/* Each one represents a sub replay item under a distribute
+ * transaction. A distribute transaction will be operated in
+ * two or more MDTs, and updates on each MDT will be represented
+ * by this structure */
+struct distribute_txn_replay_req_sub {
+ __u32 dtrqs_mdt_index;
+ struct llog_cookie dtrqs_llog_cookie;
+ struct list_head dtrqs_list;
+};
+
+struct target_distribute_txn_data;
+typedef int (*distribute_txn_replay_handler_t)(struct lu_env *env,
+ struct target_distribute_txn_data *tdtd,
+ struct distribute_txn_replay_req *dtrq);
+struct target_distribute_txn_data {
+ /* Distribution ID is used to identify updates log on different
+ * MDTs for one operation */
+ spinlock_t tdtd_batchid_lock;
+ __u64 tdtd_batchid;
+ struct lu_target *tdtd_lut;
+ struct dt_object *tdtd_batchid_obj;
+ struct dt_device *tdtd_dt;
+
+ /* Committed batchid for distribute transaction */
+ __u64 tdtd_committed_batchid;
+
+ /* List for distribute transaction */
+ struct list_head tdtd_list;
+
+ /* Threads to manage distribute transaction */
+ wait_queue_head_t tdtd_commit_thread_waitq;
+ atomic_t tdtd_refcount;
+
+ /* recovery update */
+ distribute_txn_replay_handler_t tdtd_replay_handler;
+ struct list_head tdtd_replay_list;
+ spinlock_t tdtd_replay_list_lock;
+ /* last replay update transno */
+ __u64 tdtd_last_update_transno;
+ __u32 tdtd_replay_ready:1;
+
+};
struct lu_target {
struct obd_device *lut_obd;
struct dt_device *lut_bottom;
+ 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;
__u32 lut_reply_fail_id;
/* sptlrpc rules */
rwlock_t lut_sptlrpc_lock;
struct sptlrpc_rule_set lut_sptlrpc_rset;
- int lut_sec_level;
-
spinlock_t lut_flags_lock;
- unsigned int lut_mds_capa:1,
- lut_oss_capa:1,
- lut_syncjournal:1,
- lut_sync_lock_cancel:2;
-
- /* LAST_RCVD parameters */
+ int lut_sec_level;
+ unsigned int lut_syncjournal:1,
+ lut_sync_lock_cancel:2,
+ /* e.g. OST node */
+ lut_no_reconstruct:1;
/** last_rcvd file */
struct dt_object *lut_last_rcvd;
/* transaction callbacks */
struct lu_fid tsi_fid;
struct ldlm_res_id tsi_resid;
+
+ /* object affected by VBR, for last_rcvd_update */
+ struct dt_object *tsi_vbr_obj;
+ /* opdata for mdt_reint_open(), has the same value as
+ * ldlm_reply:lock_policy_res1. The tgt_update_last_rcvd() stores
+ * this value onto disk for recovery when tgt_txn_stop_cb() is called.
+ */
+ __u64 tsi_opdata;
+
/*
* Additional fail id that can be set by handler.
*/
int tsi_reply_fail_id;
- int tsi_request_fail_id;
-
- int tsi_has_trans:1; /* has txn already? */
+ bool tsi_preprocessed;
/* request JobID */
char *tsi_jobid;
};
return tsi;
}
+static inline void tgt_vbr_obj_set(const struct lu_env *env,
+ struct dt_object *obj)
+{
+ struct tgt_session_info *tsi;
+
+ if (env->le_ses != NULL) {
+ tsi = tgt_ses_info(env);
+ tsi->tsi_vbr_obj = obj;
+ }
+}
+
+static inline void tgt_opdata_set(const struct lu_env *env, __u64 flags)
+{
+ struct tgt_session_info *tsi;
+
+ if (env->le_ses != NULL) {
+ tsi = tgt_ses_info(env);
+ tsi->tsi_opdata |= flags;
+ }
+}
+
+static inline void tgt_opdata_clear(const struct lu_env *env, __u64 flags)
+{
+ struct tgt_session_info *tsi;
+
+ if (env->le_ses != NULL) {
+ tsi = tgt_ses_info(env);
+ tsi->tsi_opdata &= ~flags;
+ }
+}
+
/*
* Generic unified target support.
*/
/* Request version for this opcode */
int th_version;
/* Handler function */
- int (*th_act)(struct tgt_session_info *tti);
+ int (*th_act)(struct tgt_session_info *tsi);
/* Handler function for high priority requests */
- int (*th_hp)(struct tgt_session_info *tti);
+ void (*th_hp)(struct tgt_session_info *tsi);
/* Request format for this request */
const struct req_format *th_fmt;
};
int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
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);
+ struct dt_object *obj, __u64 start, __u64 end);
int tgt_io_thread_init(struct ptlrpc_thread *thread);
void tgt_io_thread_done(struct ptlrpc_thread *thread);
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);
+void tgt_register_lfsck_in_notify(int (*notify)(const struct lu_env *,
+ struct dt_device *,
+ struct lfsck_request *,
+ struct thandle *));
+void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
+ struct dt_device *,
+ struct lfsck_request *));
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[];
extern struct tgt_handler tgt_llog_handlers[];
void *tgt_cb_data;
};
+int tgt_hpreq_handler(struct ptlrpc_request *req);
+
/* target/tgt_main.c */
void tgt_boot_epoch_update(struct lu_target *lut);
int tgt_last_commit_cb_add(struct thandle *th, struct lu_target *lut,
int sync);
int tgt_truncate_last_rcvd(const struct lu_env *env, struct lu_target *tg,
loff_t off);
-int tgt_last_rcvd_update(const struct lu_env *env, struct lu_target *tgt,
- struct dt_object *obj, __u64 opdata,
- struct thandle *th, struct ptlrpc_request *req);
-int tgt_last_rcvd_update_echo(const struct lu_env *env, struct lu_target *tgt,
- struct dt_object *obj, struct thandle *th,
- struct obd_export *exp);
+
+/* target/update_trans.c */
+int distribute_txn_init(const struct lu_env *env,
+ struct lu_target *lut,
+ struct target_distribute_txn_data *tdtd,
+ __u32 index);
+void distribute_txn_fini(const struct lu_env *env,
+ struct target_distribute_txn_data *tdtd);
+
+/* target/update_recovery.c */
+int insert_update_records_to_replay_list(struct target_distribute_txn_data *,
+ struct llog_update_record *,
+ struct llog_cookie *, __u32);
+void dtrq_list_dump(struct target_distribute_txn_data *tdtd,
+ unsigned int mask);
+void dtrq_list_destroy(struct target_distribute_txn_data *tdtd);
+int distribute_txn_replay_handle(struct lu_env *env,
+ struct target_distribute_txn_data *tdtd,
+ struct distribute_txn_replay_req *dtrq);
+__u64 distribute_txn_get_next_transno(struct target_distribute_txn_data *tdtd);
+struct distribute_txn_replay_req *
+distribute_txn_get_next_req(struct target_distribute_txn_data *tdtd);
+void dtrq_destory(struct distribute_txn_replay_req *dtrq);
+struct distribute_txn_replay_req_sub *
+dtrq_sub_lookup(struct distribute_txn_replay_req *dtrq, __u32 mdt_index);
enum {
ESERIOUS = 0x0001000
/*
* Unified target generic handers macros and generic functions.
*/
-#define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
+#define TGT_RPC_HANDLER_HP(base, flags, opc, fn, hp, fmt, version) \
[opc - base] = { \
.th_name = #opc, \
.th_fail_id = OBD_FAIL_ ## opc ## _NET, \
.th_flags = flags, \
.th_act = fn, \
.th_fmt = fmt, \
- .th_version = version \
+ .th_version = version, \
+ .th_hp = hp, \
}
+#define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
+ TGT_RPC_HANDLER_HP(base, flags, opc, fn, NULL, fmt, version)
/* MDT Request with a format known in advance */
#define TGT_MDT_HDL(flags, name, fn) \
TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL, \
LUSTRE_MDS_VERSION)
-/* MDT Request with a format known in advance */
+/* OST Request with a format known in advance */
#define TGT_OST_HDL(flags, name, fn) \
TGT_RPC_HANDLER(OST_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
LUSTRE_OST_VERSION)
+#define TGT_OST_HDL_HP(flags, name, fn, hp) \
+ TGT_RPC_HANDLER_HP(OST_FIRST_OPC, flags, name, fn, hp, \
+ &RQF_ ## name, LUSTRE_OST_VERSION)
/* MGS request with a format known in advance */
#define TGT_MGS_HDL(flags, name, fn) \
LUSTRE_MDS_VERSION)
/* FID Location Database handlers */
-#define TGT_FLD_HDL(flags, name, fn) \
- TGT_RPC_HANDLER(FLD_QUERY, flags, name, fn, &RQF_ ## name, \
+#define TGT_FLD_HDL_VAR(flags, name, fn) \
+ TGT_RPC_HANDLER(FLD_QUERY, flags, name, fn, NULL, \
LUSTRE_MDS_VERSION)
+/* LFSCK handlers */
+#define TGT_LFSCK_HDL(flags, name, fn) \
+ TGT_RPC_HANDLER(LFSCK_FIRST_OPC, flags, name, fn, \
+ &RQF_ ## name, LUSTRE_OBD_VERSION)
+
/* Request with a format known in advance */
#define TGT_UPDATE_HDL(flags, name, fn) \
- TGT_RPC_HANDLER(UPDATE_OBJ, flags, name, fn, &RQF_ ## name, \
+ TGT_RPC_HANDLER(OUT_UPDATE, flags, name, fn, &RQF_ ## name, \
LUSTRE_MDS_VERSION)
#endif /* __LUSTRE_LU_TARGET_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff