X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Finclude%2Flu_target.h;h=2a361ace57feab7a4e9bc1b10a23e7a5b91e1f79;hp=b927d049566d794933423990ddecff3ea45e433d;hb=2c787065441ee60c6c163dc77851d0964f81a89c;hpb=2728de4db8c0f8177202e2ffcad74a1893b210c9 diff --git a/lustre/include/lu_target.h b/lustre/include/lu_target.h index b927d04..2a361ac 100644 --- a/lustre/include/lu_target.h +++ b/lustre/include/lu_target.h @@ -27,7 +27,6 @@ */ /* * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. */ #ifndef _LUSTRE_LU_TARGET_H @@ -38,6 +37,7 @@ #include #include #include +#include /* Each one represents a distribute transaction replay * operation, and updates on each MDTs are linked to @@ -97,8 +97,9 @@ struct target_distribute_txn_data { 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; @@ -157,7 +158,6 @@ struct lu_target { 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; @@ -171,7 +171,12 @@ struct lu_target { 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, + lut_cksum_t10pi_enforce:1; + /* checksum types supported on this node */ + enum cksum_types lut_cksum_types_supported; /** last_rcvd file */ struct dt_object *lut_last_rcvd; /* transaction callbacks */ @@ -204,12 +209,24 @@ struct lu_target { /* 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 */ @@ -224,6 +241,8 @@ struct tg_reply_data { int trd_index; /** tag the client used */ __u16 trd_tag; + /** child fid to reconstruct open */ + struct lu_fid trd_object; }; extern struct lu_context_key tgt_session_key; @@ -255,6 +274,8 @@ struct tgt_session_info { /* object affected by VBR, for last_rcvd_update */ struct dt_object *tsi_vbr_obj; + /* open child object, for last_rcvd_update */ + struct dt_object *tsi_open_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. @@ -296,6 +317,17 @@ static inline void tgt_vbr_obj_set(const struct lu_env *env, } } +static inline void tgt_open_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_open_obj = obj; + } +} + static inline void tgt_opdata_set(const struct lu_env *env, __u64 flags) { struct tgt_session_info *tsi; @@ -323,30 +355,22 @@ enum tgt_handler_flags { /* * 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 { @@ -359,7 +383,7 @@ struct tgt_handler { /* Flags in enum tgt_handler_flags */ __u32 th_flags; /* Request version for this opcode */ - int th_version; + enum lustre_msg_version th_version; /* Handler function */ int (*th_act)(struct tgt_session_info *tsi); /* Handler function for high priority requests */ @@ -396,6 +420,10 @@ static inline bool tgt_is_multimodrpcs_client(struct obd_export *exp) 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); @@ -412,8 +440,6 @@ int tgt_convert(struct tgt_session_info *tsi); 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); @@ -431,12 +457,13 @@ void tgt_io_thread_done(struct ptlrpc_thread *thread); 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_extent_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_data_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); +int tgt_lseek(struct tgt_session_info *tsi); int tgt_hpreq_handler(struct ptlrpc_request *req); void tgt_register_lfsck_in_notify_local(int (*notify)(const struct lu_env *, struct dt_device *, @@ -450,7 +477,7 @@ void tgt_register_lfsck_query(int (*query)(const struct lu_env *, 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[]; @@ -488,12 +515,16 @@ int tgt_client_new(const struct lu_env *env, struct obd_export *exp); 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); +void tgt_mask_cksum_types(struct lu_target *lut, enum cksum_types *cksum_types); /* target/tgt_grant.c */ static inline int exp_grant_param_supp(struct obd_export *exp) @@ -523,13 +554,34 @@ long tgt_grant_create(const struct lu_env *env, 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,