X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdt%2Fmdt_internal.h;h=78b09bff20e3b3248112f53f56c17846b1c3dbe1;hb=2bc5bcb7efa247fcd8cc65d013ffc9f6c33dd788;hp=42ff0b63a90999de71abbe1bb1df586f59283f9c;hpb=04831bba6e2ee8d3c61c3dbc30d7eba043a453b1;p=fs%2Flustre-release.git diff --git a/lustre/mdt/mdt_internal.h b/lustre/mdt/mdt_internal.h index 42ff0b6..78b09bf 100644 --- a/lustre/mdt/mdt_internal.h +++ b/lustre/mdt/mdt_internal.h @@ -27,7 +27,7 @@ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2011, 2013, Intel Corporation. + * Copyright (c) 2011, 2014, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -48,8 +48,8 @@ #ifndef _MDT_INTERNAL_H #define _MDT_INTERNAL_H -#if defined(__KERNEL__) +#include #include #include #include @@ -63,6 +63,7 @@ #include #include #include +#include /* check if request's xid is equal to last one or not*/ static inline int req_xid_is_last(struct ptlrpc_request *req) @@ -76,23 +77,31 @@ struct mdt_object; /* file data for open files on MDS */ struct mdt_file_data { - struct portals_handle mfd_handle; /* must be first */ - __u64 mfd_mode; /* open mode provided by client */ - cfs_list_t mfd_list; /* protected by med_open_lock */ - __u64 mfd_xid; /* xid of the open request */ - struct lustre_handle mfd_old_handle; /* old handle in replay case */ - struct mdt_object *mfd_object; /* point to opened object */ + /** portals handle must be first */ + struct portals_handle mfd_handle; + /** open mode provided by client */ + __u64 mfd_mode; + /** protected by med_open_lock */ + struct list_head mfd_list; + /** xid of the open request */ + __u64 mfd_xid; + /** old handle in replay case */ + struct lustre_handle mfd_old_handle; + /** point to opened object */ + struct mdt_object *mfd_object; }; -#define CDT_NONBLOCKING_RESTORE 0x0000000000000001ULL -#define CDT_NORETRY_ACTION 0x0000000000000002ULL -#define CDT_POLICY_MASK CDT_NONBLOCKING_RESTORE | \ - CDT_NORETRY_ACTION +#define CDT_NONBLOCKING_RESTORE (1ULL << 0) +#define CDT_NORETRY_ACTION (1ULL << 1) +#define CDT_POLICY_LAST CDT_NORETRY_ACTION +#define CDT_POLICY_SHIFT_COUNT 2 +#define CDT_POLICY_ALL (CDT_NONBLOCKING_RESTORE | \ + CDT_NORETRY_ACTION) /* when adding a new policy, do not forget to update * lustre/mdt/mdt_coordinator.c::hsm_policy_names[] */ -#define CDT_DEFAULT_POLICY 0x0000000000000000ULL +#define CDT_DEFAULT_POLICY CDT_NORETRY_ACTION enum cdt_states { CDT_STOPPED = 0, CDT_INIT, @@ -108,34 +117,45 @@ enum cdt_states { CDT_STOPPED = 0, * cdt_request_lock */ struct coordinator { - struct ptlrpc_thread *cdt_thread; /**< coordinator thread */ - struct lu_env cdt_env; /**< coordinator lustre - * env */ - struct proc_dir_entry *cdt_proc_dir; /**< cdt /proc directory */ - __u64 cdt_policy; /**< flags to defined - * policy */ - enum cdt_states cdt_state; /**< state */ - cfs_atomic_t cdt_compound_id; /**< compound id counter */ - __u64 cdt_last_cookie; /**< last cookie allocated */ - struct semaphore cdt_counter_lock; /**< protect request - * counter */ - struct semaphore cdt_llog_lock; /**< protect llog access */ - struct rw_semaphore cdt_agent_lock; /**< protect agent list */ - struct rw_semaphore cdt_request_lock; /**< protect request list */ - struct semaphore cdt_restore_lock; /**< protect restore list */ - cfs_time_t cdt_loop_period; /**< llog scan period */ - cfs_time_t cdt_delay; /**< request grace delay */ - cfs_time_t cdt_timeout; /**< request timeout */ - __u64 cdt_max_request; /**< max count of started - * requests */ - __u64 cdt_request_count; /**< current count of - * started requests */ - cfs_list_t cdt_requests; /**< list of started - * requests */ - cfs_list_t cdt_agents; /**< list of register - * agents */ - cfs_list_t cdt_restore_hdl; /**< list of restore lock - * handles */ + struct ptlrpc_thread cdt_thread; /**< coordinator thread */ + struct lu_env cdt_env; /**< coordinator lustre + * env */ + struct lu_context cdt_session; /** session for lu_ucred */ + struct proc_dir_entry *cdt_proc_dir; /**< cdt /proc directory */ + __u64 cdt_policy; /**< policy flags */ + enum cdt_states cdt_state; /**< state */ + atomic_t cdt_compound_id; /**< compound id + * counter */ + __u64 cdt_last_cookie; /**< last cookie + * allocated */ + struct mutex cdt_llog_lock; /**< protect llog + * access */ + struct rw_semaphore cdt_agent_lock; /**< protect agent list */ + struct rw_semaphore cdt_request_lock; /**< protect request + * list */ + struct mutex cdt_restore_lock; /**< protect restore + * list */ + cfs_time_t cdt_loop_period; /**< llog scan period */ + cfs_time_t cdt_grace_delay; /**< request grace + * delay */ + cfs_time_t cdt_active_req_timeout; /**< request timeout */ + __u32 cdt_default_archive_id; /**< archive id used + * when none are + * specified */ + __u64 cdt_max_requests; /**< max count of started + * requests */ + atomic_t cdt_request_count; /**< current count of + * started requests */ + struct list_head cdt_requests; /**< list of started + * requests */ + struct list_head cdt_agents; /**< list of register + * agents */ + struct list_head cdt_restore_hdl; /**< list of restore lock + * handles */ + /* Bitmasks indexed by the HSMA_XXX constants. */ + __u64 cdt_user_request_mask; + __u64 cdt_group_request_mask; + __u64 cdt_other_request_mask; }; /* mdt state flag bits */ @@ -163,9 +183,6 @@ struct mdt_device { struct { unsigned int mo_user_xattr:1, mo_acl:1, - mo_compat_resname:1, - mo_mds_capa:1, - mo_oss_capa:1, mo_cos:1, mo_coordinator:1; } mdt_opts; @@ -181,25 +198,20 @@ struct mdt_device { /* these values should be updated from lov if necessary. * or should be placed somewhere else. */ int mdt_max_mdsize; - int mdt_max_cookiesize; int mdt_max_ea_size; struct upcall_cache *mdt_identity_cache; - /* sptlrpc rules */ - rwlock_t mdt_sptlrpc_lock; - struct sptlrpc_rule_set mdt_sptlrpc_rset; - - /* capability keys */ - unsigned long mdt_capa_timeout; - __u32 mdt_capa_alg; - struct dt_object *mdt_ck_obj; - unsigned long mdt_ck_timeout; - unsigned long mdt_ck_expiry; - cfs_timer_t mdt_ck_timer; - struct ptlrpc_thread mdt_ck_thread; - struct lustre_capa_key mdt_capa_keys[2]; + /* capability keys */ + unsigned long mdt_capa_timeout; + __u32 mdt_capa_alg; + struct dt_object *mdt_ck_obj; + unsigned long mdt_ck_timeout; + unsigned long mdt_ck_expiry; + struct timer_list mdt_ck_timer; + struct ptlrpc_thread mdt_ck_thread; + struct lustre_capa_key mdt_capa_keys[2]; unsigned int mdt_capa_conf:1, mdt_som_conf:1, /* Enable remote dir on non-MDT0 */ @@ -212,14 +224,8 @@ struct mdt_device { spinlock_t mdt_osfs_lock; /* root squash */ - uid_t mdt_squash_uid; - gid_t mdt_squash_gid; - cfs_list_t mdt_nosquash_nids; - char *mdt_nosquash_str; - int mdt_nosquash_strlen; - struct rw_semaphore mdt_squash_sem; - - int mdt_sec_level; + struct root_squash_info mdt_squash; + struct rename_stats mdt_rename_stats; struct lu_fid mdt_md_root_fid; @@ -232,10 +238,6 @@ struct mdt_device { }; #define MDT_SERVICE_WATCHDOG_FACTOR (2) -#define MDT_ROCOMPAT_SUPP (OBD_ROCOMPAT_LOVOBJID) -#define MDT_INCOMPAT_SUPP (OBD_INCOMPAT_MDT | OBD_INCOMPAT_COMMON_LR | \ - OBD_INCOMPAT_FID | OBD_INCOMPAT_IAM_DIR | \ - OBD_INCOMPAT_LMM_VER | OBD_INCOMPAT_MULTI_OI) #define MDT_COS_DEFAULT (0) struct mdt_object { @@ -254,8 +256,6 @@ struct mdt_object { struct rw_semaphore mot_open_sem; atomic_t mot_lease_count; atomic_t mot_open_count; - /* A lock to protect EA data from racing setxattr and getxattrall */ - struct rw_semaphore mot_xattr_sem; }; enum mdt_object_flags { @@ -297,13 +297,13 @@ struct mdt_lock_handle { }; enum { - MDT_LH_PARENT, /* parent lockh */ - MDT_LH_CHILD, /* child lockh */ - MDT_LH_OLD, /* old lockh for rename */ + MDT_LH_PARENT, /* parent lockh */ + MDT_LH_CHILD, /* child lockh */ + MDT_LH_OLD, /* old lockh for rename */ MDT_LH_LAYOUT = MDT_LH_OLD, /* layout lock */ - MDT_LH_NEW, /* new lockh for rename */ - MDT_LH_RMT, /* used for return lh to caller */ - MDT_LH_LOCAL, /* local lock never return to client */ + MDT_LH_NEW, /* new lockh for rename */ + MDT_LH_RMT, /* used for return lh to caller */ + MDT_LH_LOCAL, /* local lock never return to client */ MDT_LH_NR }; @@ -312,80 +312,29 @@ enum { MDT_CROSS_LOCK }; +/* Special magical errno for communicaiton between mdt_reint_open() + * and mdt_intent_reint() which means return the lock to the client + * for subsequent cross ref open. Previously we used plain -EREMOTE + * but other functions called in that path might return it too and + * confuse us. This is not returned to the client. See LU-5370. */ +#define MDT_EREMOTE_OPEN (EREMOTE + 1024) + struct mdt_reint_record { - mdt_reint_t rr_opcode; - const struct lustre_handle *rr_handle; - const struct lu_fid *rr_fid1; - const struct lu_fid *rr_fid2; - const char *rr_name; - int rr_namelen; - const char *rr_tgt; - int rr_tgtlen; - const void *rr_eadata; - int rr_eadatalen; - int rr_logcookielen; - const struct llog_cookie *rr_logcookies; - __u32 rr_flags; + mdt_reint_t rr_opcode; + const struct lustre_handle *rr_handle; + const struct lu_fid *rr_fid1; + const struct lu_fid *rr_fid2; + struct lu_name rr_name; + struct lu_name rr_tgt_name; + void *rr_eadata; + int rr_eadatalen; + __u32 rr_flags; }; enum mdt_reint_flag { MRF_OPEN_TRUNC = 1 << 0, }; -struct mdt_thread_info; -struct tx_arg; -typedef int (*tx_exec_func_t)(const struct lu_env *, struct thandle *, - struct tx_arg *); - -struct tx_arg { - tx_exec_func_t exec_fn; - tx_exec_func_t undo_fn; - struct dt_object *object; - char *file; - struct update_reply *reply; - int line; - int index; - union { - struct { - const struct dt_rec *rec; - const struct dt_key *key; - } insert; - struct { - } ref; - struct { - struct lu_attr attr; - } attr_set; - struct { - struct lu_buf buf; - const char *name; - int flags; - __u32 csum; - } xattr_set; - struct { - struct lu_attr attr; - struct dt_allocation_hint hint; - struct dt_object_format dof; - struct lu_fid fid; - } create; - struct { - struct lu_buf buf; - loff_t pos; - } write; - struct { - struct ost_body *body; - } destroy; - } u; -}; - -#define TX_MAX_OPS 10 -struct thandle_exec_args { - struct thandle *ta_handle; - struct dt_device *ta_dev; - int ta_err; - struct tx_arg ta_args[TX_MAX_OPS]; - int ta_argno; /* used args */ -}; - /* * Common data shared by mdt-level handlers. This is allocated per-thread to * reduce stack consumption. @@ -411,15 +360,6 @@ struct mdt_thread_info { struct mdt_device *mti_mdt; const struct lu_env *mti_env; - /* XXX: temporary flag to have healthy mti during OUT calls - * to be removed upon moving MDT to the unified target code */ - bool mti_txn_compat; - - /* - * Additional fail id that can be set by handler. Passed to - * target_send_reply(). - */ - int mti_fail_id; /* transaction number of current request */ __u64 mti_transno; @@ -470,8 +410,6 @@ struct mdt_thread_info { */ struct mdt_reint_record mti_rr; - /** md objects included in operation */ - struct mdt_object *mti_mos; __u64 mti_ver[PTLRPC_NUM_VERSIONS]; /* * Operation specification (currently create and lookup) @@ -508,14 +446,6 @@ struct mdt_thread_info { struct md_attr attr; struct md_som_data data; } som; - struct { - struct dt_object_format mti_update_dof; - struct update_reply *mti_update_reply; - struct update *mti_update; - int mti_update_reply_index; - struct obdo mti_obdo; - struct dt_object *mti_dt_object; - } update; } mti_u; /* IO epoch related stuff. */ @@ -536,34 +466,20 @@ struct mdt_thread_info { int mti_big_lmm_used; /* should be enough to fit lustre_mdt_attrs */ char mti_xattr_buf[128]; - struct thandle_exec_args mti_handle; struct ldlm_enqueue_info mti_einfo; }; -/* ptlrpc request handler for MDT. All handlers are - * grouped into several slices - struct mdt_opc_slice, - * and stored in an array - mdt_handlers[]. - */ -struct mdt_handler { - /* The name of this handler. */ - const char *mh_name; - /* Fail id for this handler, checked at the beginning of this handler*/ - int mh_fail_id; - /* Operation code for this handler */ - __u32 mh_opc; - /* flags are listed in enum mdt_handler_flags below. */ - __u32 mh_flags; - /* The actual handler function to execute. */ - int (*mh_act)(struct mdt_thread_info *info); - /* Request format for this request. */ - const struct req_format *mh_fmt; -}; +extern struct lu_context_key mdt_thread_key; -struct mdt_opc_slice { - __u32 mos_opc_start; - int mos_opc_end; - struct mdt_handler *mos_hs; -}; +static inline struct mdt_thread_info *mdt_th_info(const struct lu_env *env) +{ + struct mdt_thread_info *mti; + + lu_env_refill((void *)env); + mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key); + LASSERT(mti); + return mti; +} struct cdt_req_progress { struct mutex crp_lock; /**< protect tree */ @@ -577,8 +493,8 @@ struct cdt_req_progress { }; struct cdt_agent_req { - cfs_list_t car_request_list; /**< to chain all the req. */ - cfs_atomic_t car_refcount; /**< reference counter */ + struct list_head car_request_list; /**< to chain all the req. */ + atomic_t car_refcount; /**< reference counter */ __u64 car_compound_id; /**< compound id */ __u64 car_flags; /**< request original flags */ struct obd_uuid car_uuid; /**< agent doing the req. */ @@ -590,25 +506,27 @@ struct cdt_agent_req { struct cdt_req_progress car_progress; /**< track data mvt * progress */ }; +extern struct kmem_cache *mdt_hsm_car_kmem; struct hsm_agent { - cfs_list_t ha_list; /**< to chain the agents */ + struct list_head ha_list; /**< to chain the agents */ struct obd_uuid ha_uuid; /**< agent uuid */ __u32 *ha_archive_id; /**< archive id */ int ha_archive_cnt; /**< number of archive entries * 0 means any archive */ - cfs_atomic_t ha_requests; /**< current request count */ - cfs_atomic_t ha_success; /**< number of successful + atomic_t ha_requests; /**< current request count */ + atomic_t ha_success; /**< number of successful * actions */ - cfs_atomic_t ha_failure; /**< number of failed actions */ + atomic_t ha_failure; /**< number of failed actions */ }; struct cdt_restore_handle { - cfs_list_t crh_list; /**< to chain the handle */ - struct lu_fid crh_fid; /**< fid of the object */ - struct ldlm_extent crh_extent; /**< extent of the restore */ - struct mdt_lock_handle crh_lh; /**< lock handle */ + struct list_head crh_list; /**< to chain the handle */ + struct lu_fid crh_fid; /**< fid of the object */ + struct ldlm_extent crh_extent; /**< extent of the restore */ + struct mdt_lock_handle crh_lh; /**< lock handle */ }; +extern struct kmem_cache *mdt_hsm_cdt_kmem; /** restore handle slab cache */ static inline const struct md_device_operations * mdt_child_ops(struct mdt_device * m) @@ -683,11 +601,16 @@ static inline void mdt_export_evict(struct obd_export *exp) /* Here we use LVB_TYPE to check dne client, because it is * also landed on 2.4. */ -static inline int mdt_is_dne_client(struct obd_export *exp) +static inline bool mdt_is_dne_client(struct obd_export *exp) { return !!(exp_connect_flags(exp) & OBD_CONNECT_LVB_TYPE); } +static inline bool mdt_is_striped_client(struct obd_export *exp) +{ + return exp_connect_flags(exp) & OBD_CONNECT_DIR_STRIPE; +} + int mdt_get_disposition(struct ldlm_reply *rep, int flag); void mdt_set_disposition(struct mdt_thread_info *info, struct ldlm_reply *rep, int flag); @@ -695,8 +618,8 @@ void mdt_clear_disposition(struct mdt_thread_info *info, struct ldlm_reply *rep, int flag); void mdt_lock_pdo_init(struct mdt_lock_handle *lh, - ldlm_mode_t lm, const char *name, - int namelen); + ldlm_mode_t lock_mode, + const struct lu_name *lname); void mdt_lock_reg_init(struct mdt_lock_handle *lh, ldlm_mode_t lm); @@ -705,6 +628,10 @@ int mdt_lock_setup(struct mdt_thread_info *info, struct mdt_object *o, struct mdt_lock_handle *lh); +int mdt_check_resent_lock(struct mdt_thread_info *info, + struct mdt_object *mo, + struct mdt_lock_handle *lhc); + int mdt_object_lock(struct mdt_thread_info *, struct mdt_object *, struct mdt_lock_handle *, @@ -738,11 +665,25 @@ void mdt_object_unlock_put(struct mdt_thread_info *, void mdt_client_compatibility(struct mdt_thread_info *info); int mdt_remote_object_lock(struct mdt_thread_info *mti, - struct mdt_object *o, struct lustre_handle *lh, + struct mdt_object *o, const struct lu_fid *fid, + struct lustre_handle *lh, ldlm_mode_t mode, __u64 ibits); + +enum mdt_name_flags { + MNF_FIX_ANON = 1, +}; + +int mdt_name_unpack(struct req_capsule *pill, + const struct req_msg_field *field, + struct lu_name *ln, + enum mdt_name_flags flags); int mdt_close_unpack(struct mdt_thread_info *info); int mdt_reint_unpack(struct mdt_thread_info *info, __u32 op); int mdt_reint_rec(struct mdt_thread_info *, struct mdt_lock_handle *); +#ifdef CONFIG_FS_POSIX_ACL +int mdt_pack_acl2body(struct mdt_thread_info *info, struct mdt_body *repbody, + struct mdt_object *o, struct lu_nodemap *nodemap); +#endif void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b, const struct lu_attr *attr, const struct lu_fid *fid); @@ -768,8 +709,6 @@ int mdt_export_stats_init(struct obd_device *obd, struct obd_export *exp, void *client_nid); -int mdt_pin(struct mdt_thread_info* info); - int mdt_lock_new_child(struct mdt_thread_info *info, struct mdt_object *o, struct mdt_lock_handle *child_lockh); @@ -795,8 +734,13 @@ enum { MDT_SOM_ENABLE = 1, }; +int mdt_get_info(struct tgt_session_info *tsi); int mdt_attr_get_complex(struct mdt_thread_info *info, struct mdt_object *o, struct md_attr *ma); +int mdt_big_xattr_get(struct mdt_thread_info *info, struct mdt_object *o, + const char *name); +int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o, + struct md_attr *ma, const char *name); int mdt_ioepoch_open(struct mdt_thread_info *info, struct mdt_object *o, int created); int mdt_object_is_som_enabled(struct mdt_object *mo); @@ -806,12 +750,10 @@ int mdt_write_read(struct mdt_object *o); struct mdt_file_data *mdt_mfd_new(const struct mdt_export_data *med); int mdt_mfd_close(struct mdt_thread_info *info, struct mdt_file_data *mfd); void mdt_mfd_free(struct mdt_file_data *mfd); -int mdt_close(struct mdt_thread_info *info); -int mdt_attr_set(struct mdt_thread_info *info, struct mdt_object *mo, - struct md_attr *ma, int flags); +int mdt_close(struct tgt_session_info *tsi); int mdt_add_dirty_flag(struct mdt_thread_info *info, struct mdt_object *mo, struct md_attr *ma); -int mdt_done_writing(struct mdt_thread_info *info); +int mdt_done_writing(struct tgt_session_info *tsi); int mdt_fix_reply(struct mdt_thread_info *info); int mdt_handle_last_unlink(struct mdt_thread_info *, struct mdt_object *, const struct md_attr *); @@ -821,8 +763,10 @@ struct lu_buf *mdt_buf(const struct lu_env *env, void *area, ssize_t len); const struct lu_buf *mdt_buf_const(const struct lu_env *env, const void *area, ssize_t len); -void mdt_dump_lmm(int level, const struct lov_mds_md *lmm); +void mdt_dump_lmm(int level, const struct lov_mds_md *lmm, __u64 valid); +void mdt_dump_lmv(unsigned int level, const union lmv_mds_md *lmv); +bool allow_client_chgrp(struct mdt_thread_info *info, struct lu_ucred *uc); int mdt_check_ucred(struct mdt_thread_info *); int mdt_init_ucred(struct mdt_thread_info *, struct mdt_body *); int mdt_init_ucred_reint(struct mdt_thread_info *); @@ -831,61 +775,23 @@ int mdt_version_get_check(struct mdt_thread_info *, struct mdt_object *, int); void mdt_version_get_save(struct mdt_thread_info *, struct mdt_object *, int); int mdt_version_get_check_save(struct mdt_thread_info *, struct mdt_object *, int); -int mdt_handle_common(struct ptlrpc_request *req, - struct mdt_opc_slice *supported); -int mdt_connect(struct mdt_thread_info *info); -int mdt_disconnect(struct mdt_thread_info *info); -int mdt_set_info(struct mdt_thread_info *info); -int mdt_get_info(struct mdt_thread_info *info); -int mdt_getstatus(struct mdt_thread_info *info); -int mdt_getattr(struct mdt_thread_info *info); -int mdt_getattr_name(struct mdt_thread_info *info); -int mdt_statfs(struct mdt_thread_info *info); -int mdt_reint(struct mdt_thread_info *info); -int mdt_sync(struct mdt_thread_info *info); -int mdt_is_subdir(struct mdt_thread_info *info); -int mdt_obd_ping(struct mdt_thread_info *info); -int mdt_obd_log_cancel(struct mdt_thread_info *info); -int mdt_obd_qc_callback(struct mdt_thread_info *info); -int mdt_enqueue(struct mdt_thread_info *info); -int mdt_convert(struct mdt_thread_info *info); -int mdt_bl_callback(struct mdt_thread_info *info); -int mdt_cp_callback(struct mdt_thread_info *info); -int mdt_llog_create(struct mdt_thread_info *info); -int mdt_llog_destroy(struct mdt_thread_info *info); -int mdt_llog_read_header(struct mdt_thread_info *info); -int mdt_llog_next_block(struct mdt_thread_info *info); -int mdt_llog_prev_block(struct mdt_thread_info *info); -int mdt_sec_ctx_handle(struct mdt_thread_info *info); -int mdt_readpage(struct mdt_thread_info *info); -int mdt_obd_idx_read(struct mdt_thread_info *info); -int mdt_tgt_connect(struct tgt_session_info *tsi); void mdt_thread_info_init(struct ptlrpc_request *req, struct mdt_thread_info *mti); void mdt_thread_info_fini(struct mdt_thread_info *mti); - -extern struct mdt_opc_slice mdt_regular_handlers[]; -extern struct mdt_opc_slice mdt_seq_handlers[]; -extern struct mdt_opc_slice mdt_fld_handlers[]; - -int mdt_quotacheck(struct mdt_thread_info *info); -int mdt_quotactl(struct mdt_thread_info *info); -int mdt_quota_dqacq(struct mdt_thread_info *info); -int mdt_swap_layouts(struct mdt_thread_info *info); - -extern struct lprocfs_vars lprocfs_mds_module_vars[]; -extern struct lprocfs_vars lprocfs_mds_obd_vars[]; +struct mdt_thread_info *tsi2mdt_info(struct tgt_session_info *tsi); int mdt_hsm_attr_set(struct mdt_thread_info *info, struct mdt_object *obj, - struct md_hsm *mh); + const struct md_hsm *mh); -struct mdt_handler *mdt_handler_find(__u32 opc, - struct mdt_opc_slice *supported); +int mdt_remote_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc, + void *data, int flag); +int mdt_links_read(struct mdt_thread_info *info, + struct mdt_object *mdt_obj, + struct linkea_data *ldata); /* mdt_idmap.c */ -int mdt_init_sec_level(struct mdt_thread_info *); -int mdt_init_idmap(struct mdt_thread_info *); +int mdt_init_idmap(struct tgt_session_info *tsi); void mdt_cleanup_idmap(struct mdt_export_data *); -int mdt_handle_idmap(struct mdt_thread_info *); +int mdt_handle_idmap(struct tgt_session_info *tsi); int ptlrpc_user_desc_do_idmap(struct ptlrpc_request *, struct ptlrpc_user_desc *); void mdt_body_reverse_idmap(struct mdt_thread_info *, @@ -899,6 +805,11 @@ static inline struct mdt_device *mdt_dev(struct lu_device *d) return container_of0(d, struct mdt_device, mdt_lu_dev); } +static inline struct mdt_object *mdt_obj(struct lu_object *o) +{ + return container_of0(o, struct mdt_object, mot_obj); +} + static inline struct dt_object *mdt_obj2dt(struct mdt_object *mo) { struct lu_object *lo; @@ -925,17 +836,22 @@ __u32 mdt_identity_get_perm(struct md_identity *, __u32, lnet_nid_t); int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *); +/* mdt/mdt_recovery.c */ +void mdt_req_from_lcd(struct ptlrpc_request *req, struct lsd_client_data *lcd); + /* mdt/mdt_hsm.c */ -int mdt_hsm_state_get(struct mdt_thread_info *info); -int mdt_hsm_state_set(struct mdt_thread_info *info); -int mdt_hsm_action(struct mdt_thread_info *info); -int mdt_hsm_progress(struct mdt_thread_info *info); -int mdt_hsm_ct_register(struct mdt_thread_info *info); -int mdt_hsm_ct_unregister(struct mdt_thread_info *info); -int mdt_hsm_request(struct mdt_thread_info *info); +int mdt_hsm_state_get(struct tgt_session_info *tsi); +int mdt_hsm_state_set(struct tgt_session_info *tsi); +int mdt_hsm_action(struct tgt_session_info *tsi); +int mdt_hsm_progress(struct tgt_session_info *tsi); +int mdt_hsm_ct_register(struct tgt_session_info *tsi); +int mdt_hsm_ct_unregister(struct tgt_session_info *tsi); +int mdt_hsm_request(struct tgt_session_info *tsi); + /* mdt/mdt_hsm_cdt_actions.c */ -extern const struct file_operations mdt_agent_actions_fops; -void dump_llog_agent_req_rec(char *prefix, struct llog_agent_req_rec *larr); +extern const struct file_operations mdt_hsm_actions_fops; +void dump_llog_agent_req_rec(const char *prefix, + const struct llog_agent_req_rec *larr); int cdt_llog_process(const struct lu_env *env, struct mdt_device *mdt, llog_cb_t cb, void *data); int mdt_agent_record_add(const struct lu_env *env, struct mdt_device *mdt, @@ -976,9 +892,8 @@ int mdt_hsm_get_running(struct mdt_thread_info *mti, struct hsm_action_list *hal); bool mdt_hsm_restore_is_running(struct mdt_thread_info *mti, const struct lu_fid *fid); - /* mdt/mdt_hsm_cdt_requests.c */ -extern const struct file_operations mdt_hsm_request_fops; +extern const struct file_operations mdt_hsm_active_requests_fops; void dump_requests(char *prefix, struct coordinator *cdt); struct cdt_agent_req *mdt_cdt_alloc_request(__u64 compound_id, __u32 archive_id, __u64 flags, struct obd_uuid *uuid, @@ -986,77 +901,47 @@ struct cdt_agent_req *mdt_cdt_alloc_request(__u64 compound_id, __u32 archive_id, void mdt_cdt_free_request(struct cdt_agent_req *car); int mdt_cdt_add_request(struct coordinator *cdt, struct cdt_agent_req *new_car); struct cdt_agent_req *mdt_cdt_find_request(struct coordinator *cdt, - __u64 cookie, + const __u64 cookie, const struct lu_fid *fid); void mdt_cdt_get_work_done(struct cdt_agent_req *car, __u64 *done_sz); void mdt_cdt_get_request(struct cdt_agent_req *car); void mdt_cdt_put_request(struct cdt_agent_req *car); struct cdt_agent_req *mdt_cdt_update_request(struct coordinator *cdt, - struct hsm_progress_kernel *pgs); + const struct hsm_progress_kernel *pgs); int mdt_cdt_remove_request(struct coordinator *cdt, __u64 cookie); - -/* fake functions, will be remove with patch LU-3343 */ -static inline struct mdt_object *mdt_hsm_get_md_hsm(struct mdt_thread_info *mti, - struct lu_fid *fid, - struct md_hsm *hsm, - struct mdt_lock_handle *lh) -{ - return ERR_PTR(-EINVAL); -} -static inline bool mdt_hsm_is_action_compat(struct hsm_action_item *hai, - int hal_an, __u64 rq_flags, - struct md_hsm *hsm) -{ - return false; -} -static inline int mdt_hsm_cdt_init(struct mdt_device *mdt) -{ - struct coordinator *cdt = &mdt->mdt_coordinator; - - /* minimal init before final patch landing */ - sema_init(&cdt->cdt_llog_lock, 1); - init_rwsem(&cdt->cdt_agent_lock); - init_rwsem(&cdt->cdt_request_lock); - sema_init(&cdt->cdt_restore_lock, 1); - - CFS_INIT_LIST_HEAD(&cdt->cdt_requests); - CFS_INIT_LIST_HEAD(&cdt->cdt_agents); - CFS_INIT_LIST_HEAD(&cdt->cdt_restore_hdl); - - cdt->cdt_state = CDT_STOPPED; - return 0; -} -static inline int mdt_hsm_cdt_start(struct mdt_device *mdt) -{ - return 0; -} -static inline int mdt_hsm_cdt_stop(struct mdt_device *mdt) -{ - return 0; -} -static inline int mdt_hsm_cdt_fini(struct mdt_device *mdt) -{ - return 0; -} -static inline int mdt_hsm_cdt_wakeup(struct mdt_device *mdt) -{ - return 0; -} -static inline int mdt_hsm_add_hal(struct mdt_thread_info *mti, - struct hsm_action_list *hal, - const struct obd_uuid *uuid) -{ - return 0; -} -static inline int mdt_hsm_update_request_state(struct mdt_thread_info *mti, - struct hsm_progress_kernel *pgs, - bool update_record) -{ - return 0; -} -/* end of fake functions */ +/* mdt/mdt_coordinator.c */ +void mdt_hsm_dump_hal(int level, const char *prefix, + struct hsm_action_list *hal); +/* coordinator management */ +int mdt_hsm_cdt_init(struct mdt_device *mdt); +int mdt_hsm_cdt_start(struct mdt_device *mdt); +int mdt_hsm_cdt_stop(struct mdt_device *mdt); +int mdt_hsm_cdt_fini(struct mdt_device *mdt); +int mdt_hsm_cdt_wakeup(struct mdt_device *mdt); + +/* coordinator control /proc interface */ +ssize_t mdt_hsm_cdt_control_seq_write(struct file *file, const char *buffer, + size_t count, loff_t *off); +int mdt_hsm_cdt_control_seq_show(struct seq_file *m, void *data); +int hsm_cdt_procfs_init(struct mdt_device *mdt); +void hsm_cdt_procfs_fini(struct mdt_device *mdt); +struct lprocfs_seq_vars *hsm_cdt_get_proc_vars(void); +/* md_hsm helpers */ +struct mdt_object *mdt_hsm_get_md_hsm(struct mdt_thread_info *mti, + const struct lu_fid *fid, + struct md_hsm *hsm); +/* actions/request helpers */ +int mdt_hsm_add_hal(struct mdt_thread_info *mti, + struct hsm_action_list *hal, struct obd_uuid *uuid); +bool mdt_hsm_is_action_compat(const struct hsm_action_item *hai, + const int hal_an, const __u64 rq_flags, + const struct md_hsm *hsm); +int mdt_hsm_update_request_state(struct mdt_thread_info *mti, + struct hsm_progress_kernel *pgs, + const int update_record); extern struct lu_context_key mdt_thread_key; + /* debug issues helper starts here*/ static inline int mdt_fail_write(const struct lu_env *env, struct dt_device *dd, int id) @@ -1073,7 +958,12 @@ static inline int mdt_fail_write(const struct lu_env *env, static inline struct mdt_export_data *mdt_req2med(struct ptlrpc_request *req) { - return &req->rq_export->exp_mdt_data; + return &req->rq_export->exp_mdt_data; +} + +static inline struct mdt_device *mdt_exp2dev(struct obd_export *exp) +{ + return mdt_dev(exp->exp_obd->obd_lu_dev); } typedef void (*mdt_reconstruct_t)(struct mdt_thread_info *mti, @@ -1150,34 +1040,6 @@ static inline ldlm_mode_t mdt_mdl_mode2dlm_mode(mdl_mode_t mode) /* mdt_lvb.c */ extern struct ldlm_valblock_ops mdt_lvbo; -static inline struct lu_name *mdt_name(const struct lu_env *env, - char *name, int namelen) -{ - struct lu_name *lname; - struct mdt_thread_info *mti; - - LASSERT(namelen > 0); - /* trailing '\0' in buffer */ - LASSERT(name[namelen] == '\0'); - - mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key); - lname = &mti->mti_name; - lname->ln_name = name; - lname->ln_namelen = namelen; - return lname; -} - -static inline struct lu_name *mdt_name_copy(struct lu_name *tlname, - struct lu_name *slname) -{ - LASSERT(tlname); - LASSERT(slname); - - tlname->ln_name = slname->ln_name; - tlname->ln_namelen = slname->ln_namelen; - return tlname; -} - void mdt_enable_cos(struct mdt_device *, int); int mdt_cos_is_enabled(struct mdt_device *); @@ -1203,10 +1065,12 @@ enum { }; void mdt_counter_incr(struct ptlrpc_request *req, int opcode); void mdt_stats_counter_init(struct lprocfs_stats *stats); -void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars); -void lprocfs_mds_init_vars(struct lprocfs_static_vars *lvars); int mdt_procfs_init(struct mdt_device *mdt, const char *name); void mdt_procfs_fini(struct mdt_device *mdt); + +/* lustre/mdt_mdt_lproc.c */ +int lprocfs_mdt_open_files_seq_open(struct inode *inode, + struct file *file); void mdt_rename_counter_tally(struct mdt_thread_info *info, struct mdt_device *mdt, struct ptlrpc_request *req, @@ -1217,45 +1081,9 @@ int mdt_ck_thread_start(struct mdt_device *mdt); void mdt_ck_thread_stop(struct mdt_device *mdt); void mdt_ck_timer_callback(unsigned long castmeharder); int mdt_capa_keys_init(const struct lu_env *env, struct mdt_device *mdt); - -static inline void mdt_set_capainfo(struct mdt_thread_info *info, int offset, - const struct lu_fid *fid, - struct lustre_capa *capa) -{ - struct md_capainfo *ci; - - LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX); - if (!info->mti_mdt->mdt_opts.mo_mds_capa || - !(exp_connect_flags(info->mti_exp) & OBD_CONNECT_MDS_CAPA)) - return; - - ci = md_capainfo(info->mti_env); - LASSERT(ci); - ci->mc_fid[offset] = *fid; - ci->mc_capa[offset] = capa; -} - -static inline void mdt_dump_capainfo(struct mdt_thread_info *info) -{ - struct md_capainfo *ci = md_capainfo(info->mti_env); - int i; - - if (!ci) - return; - for (i = 0; i < MD_CAPAINFO_MAX; i++) { - if (!ci->mc_capa[i]) { - CERROR("no capa for index %d "DFID"\n", - i, PFID(&ci->mc_fid[i])); - continue; - } - if (ci->mc_capa[i] == BYPASS_CAPA) { - CERROR("bypass for index %d "DFID"\n", - i, PFID(&ci->mc_fid[i])); - continue; - } - DEBUG_CAPA(D_ERROR, ci->mc_capa[i], "index %d", i); - } -} +void mdt_set_capainfo(struct mdt_thread_info *info, int offset, + const struct lu_fid *fid, struct lustre_capa *capa); +void mdt_dump_capainfo(struct mdt_thread_info *info); static inline struct obd_device *mdt2obd_dev(const struct mdt_device *mdt) { @@ -1264,18 +1092,6 @@ static inline struct obd_device *mdt2obd_dev(const struct mdt_device *mdt) extern const struct lu_device_operations mdt_lu_ops; -static inline int lu_device_is_mdt(struct lu_device *d) -{ - return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdt_lu_ops); -} - -static inline struct mdt_device *lu2mdt_dev(struct lu_device *d) -{ - LASSERTF(lu_device_is_mdt(d), "It is %s instead of MDT %p %p\n", - d->ld_type->ldt_name, d->ld_ops, &mdt_lu_ops); - return container_of0(d, struct mdt_device, mdt_lu_dev); -} - static inline char *mdt_obd_name(struct mdt_device *mdt) { return mdt->mdt_lu_dev.ld_obd->obd_name; @@ -1284,5 +1100,15 @@ static inline char *mdt_obd_name(struct mdt_device *mdt) int mds_mod_init(void); void mds_mod_exit(void); -#endif /* __KERNEL__ */ -#endif /* _MDT_H */ +static inline char *mdt_req_get_jobid(struct ptlrpc_request *req) +{ + struct obd_export *exp = req->rq_export; + char *jobid = NULL; + + if (exp_connect_flags(exp) & OBD_CONNECT_JOBSTATS) + jobid = lustre_msg_get_jobid(req->rq_reqmsg); + + return jobid; +} + +#endif /* _MDT_INTERNAL_H */