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LU-3569 ofd: packing ost_idx in IDIF
[fs/lustre-release.git] / lustre / include / lu_target.h
index aa2c142..d4a814e 100644 (file)
@@ -54,11 +54,14 @@ struct lu_target {
        /* sptlrpc rules */
        rwlock_t                 lut_sptlrpc_lock;
        struct sptlrpc_rule_set  lut_sptlrpc_rset;
+       spinlock_t               lut_flags_lock;
        int                      lut_sec_level;
        unsigned int             lut_mds_capa:1,
-                                lut_oss_capa:1;
-
-       /* LAST_RCVD parameters */
+                                lut_oss_capa:1,
+                                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 */
@@ -96,15 +99,28 @@ struct tgt_session_info {
        struct lu_target        *tsi_tgt;
 
        const struct mdt_body   *tsi_mdt_body;
+       struct ost_body         *tsi_ost_body;
        struct lu_object        *tsi_corpus;
 
+       struct lu_fid            tsi_fid;
+       struct lu_fid            tsi_fid2;
+       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;
-
-       __u32                    tsi_has_trans:1; /* has txn already? */
+       bool                     tsi_preprocessed;
+       /* request JobID */
+       char                    *tsi_jobid;
 };
 
 static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
@@ -117,6 +133,37 @@ static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
        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.
  */
@@ -162,7 +209,9 @@ struct tgt_handler {
        /* 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 */
+       void                    (*th_hp)(struct tgt_session_info *tsi);
        /* Request format for this request */
        const struct req_format *th_fmt;
 };
@@ -196,6 +245,7 @@ char *tgt_name(struct lu_target *tgt);
 void tgt_counter_incr(struct obd_export *exp, int opcode);
 int tgt_connect_check_sptlrpc(struct ptlrpc_request *req,
                              struct obd_export *exp);
+int tgt_adapt_sptlrpc_conf(struct lu_target *tgt, int initial);
 int tgt_connect(struct tgt_session_info *tsi);
 int tgt_disconnect(struct tgt_session_info *uti);
 int tgt_obd_ping(struct tgt_session_info *tsi);
@@ -213,6 +263,25 @@ int tgt_sec_ctx_init(struct tgt_session_info *tsi);
 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_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);
+
+int tgt_io_thread_init(struct ptlrpc_thread *thread);
+void tgt_io_thread_done(struct ptlrpc_thread *thread);
+
+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);
+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);
+void tgt_brw_unlock(struct obd_ioobj *obj, struct niobuf_remote *niob,
+                   struct lustre_handle *lh, int 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);
 
 extern struct tgt_handler tgt_sec_ctx_handlers[];
 extern struct tgt_handler tgt_obd_handlers[];
@@ -229,6 +298,8 @@ struct tgt_commit_cb {
        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,
@@ -255,9 +326,7 @@ int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg,
                           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);
+
 enum {
        ESERIOUS = 0x0001000
 };
@@ -280,10 +349,22 @@ static inline int is_serious(int rc)
        return (rc < 0 && -rc & ESERIOUS);
 }
 
+/**
+ * Do not return server-side uid/gid to remote client
+ */
+static inline void tgt_drop_id(struct obd_export *exp, struct obdo *oa)
+{
+       if (unlikely(exp_connect_rmtclient(exp))) {
+               oa->o_uid = -1;
+               oa->o_gid = -1;
+               oa->o_valid &= ~(OBD_MD_FLUID | OBD_MD_FLGID);
+       }
+}
+
 /*
  * 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,                     \
@@ -291,8 +372,11 @@ static inline int is_serious(int rc)
        .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)                                   \
@@ -303,6 +387,14 @@ static inline int is_serious(int rc)
        TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL,           \
                        LUSTRE_MDS_VERSION)
 
+/* 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)                                   \
        TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name,  \
@@ -358,8 +450,8 @@ static inline int is_serious(int rc)
                        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)
 
 /* Request with a format known in advance */