* 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 <dt_object.h>
#include <lustre_export.h>
+#include <lustre_update.h>
#include <lustre_disk.h>
+#include <lustre_lfsck.h>
struct lu_target {
struct obd_device *lut_obd;
/* 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 */
+ 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 obd_export *tsi_exp;
const struct lu_env *tsi_env;
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 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;
+ bool tsi_preprocessed;
+ /* request JobID */
+ char *tsi_jobid;
};
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.
*/
/* 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;
};
return exp_connect_flags(tsi->tsi_exp);
}
+static inline int req_is_replay(struct ptlrpc_request *req)
+{
+ LASSERT(req->rq_reqmsg);
+ return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY);
+}
+
/* target/tgt_handler.c */
int tgt_request_handle(struct ptlrpc_request *req);
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);
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, __u64 start, __u64 end);
+
+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);
+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[];
+extern struct tgt_handler tgt_out_handlers[];
+extern struct tgt_handler fld_handlers[];
+extern struct tgt_handler seq_handlers[];
typedef void (*tgt_cb_t)(struct lu_target *lut, __u64 transno,
void *data, int err);
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 tgt_server_data_read(const struct lu_env *env, struct lu_target *tg);
int tgt_server_data_write(const struct lu_env *env, struct lu_target *tg,
struct thandle *th);
-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_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);
enum {
ESERIOUS = 0x0001000
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, \
.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, &RQF_ ## name, \
+ LUSTRE_MDS_VERSION)
+/* Request with a format we do not yet know */
+#define TGT_MDT_HDL_VAR(flags, name, fn) \
+ 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,\
- LUSTRE_MGS_VERSION)
+ TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
+ LUSTRE_MGS_VERSION)
#define TGT_MGS_HDL_VAR(flags, name, fn) \
- TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
- LUSTRE_MGS_VERSION)
+ TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_MGS_VERSION)
/*
* OBD handler macros and generic functions.
*/
#define TGT_OBD_HDL(flags, name, fn) \
- TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name,\
- LUSTRE_OBD_VERSION)
+ TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
+ LUSTRE_OBD_VERSION)
+#define TGT_OBD_HDL_VAR(flags, name, fn) \
+ TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_OBD_VERSION)
/*
* DLM handler macros and generic functions.
*/
#define TGT_DLM_HDL_VAR(flags, name, fn) \
- TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
- LUSTRE_DLM_VERSION)
+ TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_DLM_VERSION)
#define TGT_DLM_HDL(flags, name, fn) \
- TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name,\
- LUSTRE_DLM_VERSION)
+ TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
+ LUSTRE_DLM_VERSION)
/*
* LLOG handler macros and generic functions.
*/
#define TGT_LLOG_HDL_VAR(flags, name, fn) \
- TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
- LUSTRE_LOG_VERSION)
+ TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_LOG_VERSION)
#define TGT_LLOG_HDL(flags, name, fn) \
- TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name,\
- LUSTRE_LOG_VERSION)
+ TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name, \
+ LUSTRE_LOG_VERSION)
/*
* Sec context handler macros and generic functions.
*/
#define TGT_SEC_HDL_VAR(flags, name, fn) \
- TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
- LUSTRE_OBD_VERSION)
+ TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_OBD_VERSION)
+
+#define TGT_QUOTA_HDL(flags, name, fn) \
+ TGT_RPC_HANDLER(QUOTA_DQACQ, flags, name, fn, &RQF_ ## name, \
+ LUSTRE_MDS_VERSION)
+
+/* Sequence service handlers */
+#define TGT_SEQ_HDL(flags, name, fn) \
+ TGT_RPC_HANDLER(SEQ_QUERY, flags, name, fn, &RQF_ ## name, \
+ LUSTRE_MDS_VERSION)
+
+/* FID Location Database handlers */
+#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(OUT_UPDATE, flags, name, fn, &RQF_ ## name, \
+ LUSTRE_MDS_VERSION)
#endif /* __LUSTRE_LU_TARGET_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff