X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdt%2Fmdt_internal.h;h=8a10a6ea1b223a5bc20e870191064f2e63552c48;hb=7c8ebf7b9825d0aadd9ffcf01508f093afc68af9;hp=d68fe3c5e38dd9c454ec8592d804f3cdcc3c725e;hpb=a1efc1411e2e7b67102d132e656d2a11a99636b3;p=fs%2Flustre-release.git diff --git a/lustre/mdt/mdt_internal.h b/lustre/mdt/mdt_internal.h index d68fe3c..8a10a6e 100644 --- a/lustre/mdt/mdt_internal.h +++ b/lustre/mdt/mdt_internal.h @@ -26,8 +26,11 @@ * GPL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2011 Whamcloud, Inc. + * */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -60,32 +63,22 @@ * struct lustre_handle */ #include +#include +#include #include -#include #include #include #include -/* LR_CLIENT_SIZE, etc. */ -#include #include #include #include #include - -static inline __u64 lcd_last_transno(struct lsd_client_data *lcd) -{ - return max(lcd->lcd_last_transno, lcd->lcd_last_close_transno); -} - -static inline __u64 lcd_last_xid(struct lsd_client_data *lcd) -{ - return max(lcd->lcd_last_xid, lcd->lcd_last_close_xid); -} +#include /* check if request's xid is equal to last one or not*/ static inline int req_xid_is_last(struct ptlrpc_request *req) { - struct lsd_client_data *lcd = req->rq_export->exp_mdt_data.med_lcd; + struct lsd_client_data *lcd = req->rq_export->exp_target_data.ted_lcd; return (req->rq_xid == lcd->lcd_last_xid || req->rq_xid == lcd->lcd_last_close_xid); } @@ -94,13 +87,17 @@ struct mdt_object; /* file data for open files on MDS */ struct mdt_file_data { struct portals_handle mfd_handle; /* must be first */ - struct list_head mfd_list; /* protected by med_open_lock */ + 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 */ int mfd_mode; /* open mode provided by client */ struct mdt_object *mfd_object; /* point to opened object */ }; +/* mdt state flag bits */ +#define MDT_FL_CFGLOG 0 +#define MDT_FL_SYNCED 1 + struct mdt_device { /* super-class */ struct md_device mdt_md_dev; @@ -119,6 +116,8 @@ struct mdt_device { /* underlying device */ struct md_device *mdt_child; struct dt_device *mdt_bottom; + /** target device */ + struct lu_target mdt_lut; /* * Options bit-fields. */ @@ -127,39 +126,27 @@ struct mdt_device { mo_acl :1, mo_compat_resname:1, mo_mds_capa :1, - mo_oss_capa :1; + mo_oss_capa :1, + mo_cos :1; } mdt_opts; /* mdt state flags */ - __u32 mdt_fl_cfglog:1, - mdt_fl_synced:1; - /* lock to pretect epoch and write count */ - spinlock_t mdt_ioepoch_lock; + unsigned long mdt_state; + /* lock to protect IOepoch */ + cfs_spinlock_t mdt_ioepoch_lock; __u64 mdt_ioepoch; - /* Transaction related stuff here */ - spinlock_t mdt_transno_lock; - __u64 mdt_last_transno; - /* transaction callbacks */ struct dt_txn_callback mdt_txn_cb; - /* last_rcvd file */ - struct dt_object *mdt_last_rcvd; /* these values should be updated from lov if necessary. * or should be placed somewhere else. */ int mdt_max_mdsize; int mdt_max_cookiesize; - __u64 mdt_mount_count; - - /* last_rcvd data */ - struct lr_server_data mdt_lsd; - spinlock_t mdt_client_bitmap_lock; - unsigned long mdt_client_bitmap[(LR_MAX_CLIENTS >> 3) / sizeof(long)]; struct upcall_cache *mdt_identity_cache; /* sptlrpc rules */ - rwlock_t mdt_sptlrpc_lock; + cfs_rwlock_t mdt_sptlrpc_lock; struct sptlrpc_rule_set mdt_sptlrpc_rset; /* capability keys */ @@ -171,23 +158,61 @@ struct mdt_device { cfs_timer_t mdt_ck_timer; struct ptlrpc_thread mdt_ck_thread; struct lustre_capa_key mdt_capa_keys[2]; - unsigned int mdt_capa_conf:1; + unsigned int mdt_capa_conf:1, + mdt_som_conf:1; + + /* 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; + cfs_rw_semaphore_t mdt_squash_sem; cfs_proc_dir_entry_t *mdt_proc_entry; struct lprocfs_stats *mdt_stats; + int mdt_sec_level; + struct rename_stats mdt_rename_stats; }; -#define MDT_SERVICE_WATCHDOG_FACTOR (2000) +#define MDT_SERVICE_WATCHDOG_FACTOR (2) #define MDT_ROCOMPAT_SUPP (OBD_ROCOMPAT_LOVOBJID) -#define MDT_INCOMPAT_SUPP (OBD_INCOMPAT_MDT | OBD_INCOMPAT_COMMON_LR) +#define MDT_INCOMPAT_SUPP (OBD_INCOMPAT_MDT | OBD_INCOMPAT_COMMON_LR | \ + OBD_INCOMPAT_FID | OBD_INCOMPAT_IAM_DIR | \ + OBD_INCOMPAT_LMM_VER) +#define MDT_COS_DEFAULT (0) struct mdt_object { struct lu_object_header mot_header; struct md_object mot_obj; __u64 mot_ioepoch; __u64 mot_flags; - int mot_epochcount; + int mot_ioepoch_count; int mot_writecount; + /* Lock to protect object's IO epoch. */ + cfs_semaphore_t mot_ioepoch_sem; + /* Lock to protect create_data */ + cfs_semaphore_t mot_lov_sem; +}; + +enum mdt_object_flags { + /** SOM attributes are changed. */ + MOF_SOM_CHANGE = (1 << 0), + /** + * The SOM recovery state for mdt object. + * This state is an in-memory equivalent of an absent SOM EA, used + * instead of invalidating SOM EA while IOEpoch is still opened when + * a client eviction occurs or a client fails to obtain SOM attributes. + * It indicates that the last IOEpoch holder will need to obtain SOM + * attributes under [0;EOF] extent lock to flush all the client's + * cached of evicted from MDS clients (but not necessary evicted from + * OST) before taking ost attributes. + */ + MOF_SOM_RECOV = (1 << 1), + /** File has been just created. */ + MOF_SOM_CREATED = (1 << 2), + /** lov object has been created. */ + MOF_LOV_CREATED = (1 << 3), }; struct mdt_lock_handle { @@ -235,7 +260,7 @@ struct mdt_reint_record { }; enum mdt_reint_flag { - MRF_SETATTR_LOCKED = 1 << 0, + MRF_OPEN_TRUNC = 1 << 0, }; /* @@ -310,7 +335,7 @@ struct mdt_thread_info { /* * XXX: Part Three: - * The following members will be filled explictly + * The following members will be filled explicitly * with zero in mdt_reint_unpack(), because they are only used * by reint requests (including mdt_reint_open()). */ @@ -320,6 +345,9 @@ 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) */ @@ -344,29 +372,33 @@ struct mdt_thread_info { struct obd_uuid uuid[2]; /* for mdt_seq_init_cli() */ char ns_name[48]; /* for mdt_init0() */ struct lustre_cfg_bufs bufs; /* for mdt_stack_fini() */ - struct kstatfs ksfs; /* for mdt_statfs() */ + cfs_kstatfs_t ksfs; /* for mdt_statfs() */ struct { /* for mdt_readpage() */ struct lu_rdpg mti_rdpg; /* for mdt_sendpage() */ struct l_wait_info mti_wait_info; } rdpg; + struct { + struct md_attr attr; + struct md_som_data data; + } som; } mti_u; /* IO epoch related stuff. */ - struct mdt_epoch *mti_epoch; + struct mdt_ioepoch *mti_ioepoch; __u64 mti_replayepoch; /* server and client data buffers */ struct lr_server_data mti_lsd; struct lsd_client_data mti_lcd; loff_t mti_off; - struct txn_param mti_txn_param; struct lu_buf mti_buf; struct lustre_capa_key mti_capa_key; /* Ops object filename */ struct lu_name mti_name; + struct md_attr mti_tmp_attr; }; typedef void (*mdt_cb_t)(const struct mdt_device *mdt, __u64 transno, @@ -376,32 +408,11 @@ struct mdt_commit_cb { void *mdt_cb_data; }; -/* - * Info allocated per-transaction. - */ -#define MDT_MAX_COMMIT_CB 4 -struct mdt_txn_info { - __u64 txi_transno; - unsigned int txi_cb_count; - struct mdt_commit_cb txi_cb[MDT_MAX_COMMIT_CB]; +enum mdt_txn_op { + MDT_TXN_CAPA_KEYS_WRITE_OP, + MDT_TXN_LAST_RCVD_WRITE_OP, }; -extern struct lu_context_key mdt_txn_key; - -static inline void mdt_trans_add_cb(const struct thandle *th, - mdt_cb_t cb_func, void *cb_data) -{ - struct mdt_txn_info *txi; - - txi = lu_context_key_get(&th->th_ctx, &mdt_txn_key); - LASSERT(txi->txi_cb_count < ARRAY_SIZE(txi->txi_cb)); - - /* add new callback */ - txi->txi_cb[txi->txi_cb_count].mdt_cb_func = cb_func; - txi->txi_cb[txi->txi_cb_count].mdt_cb_data = cb_data; - txi->txi_cb_count++; -} - static inline const struct md_device_operations * mdt_child_ops(struct mdt_device * m) { @@ -420,6 +431,12 @@ static inline struct ptlrpc_request *mdt_info_req(struct mdt_thread_info *info) return info->mti_pill ? info->mti_pill->rc_req : NULL; } +static inline int req_is_replay(struct ptlrpc_request *req) +{ + LASSERT(req->rq_reqmsg); + return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY); +} + static inline __u64 mdt_conn_flags(struct mdt_thread_info *info) { LASSERT(info->mti_exp); @@ -507,11 +524,11 @@ void mdt_object_unlock_put(struct mdt_thread_info *, struct mdt_lock_handle *, int decref); +void mdt_client_compatibility(struct mdt_thread_info *info); + 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 *); -void mdt_pack_size2body(struct mdt_thread_info *info, - struct mdt_object *o); void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b, const struct lu_attr *attr, const struct lu_fid *fid); @@ -527,10 +544,10 @@ void mdt_reconstruct_generic(struct mdt_thread_info *mti, struct mdt_lock_handle *lhc); extern void target_recovery_fini(struct obd_device *obd); -extern void target_recovery_init(struct obd_device *obd, +extern void target_recovery_init(struct lu_target *lut, svc_handler_t handler); int mdt_fs_setup(const struct lu_env *, struct mdt_device *, - struct obd_device *); + struct obd_device *, struct lustre_sb_info *lsi); void mdt_fs_cleanup(const struct lu_env *, struct mdt_device *); int mdt_client_del(const struct lu_env *env, @@ -541,6 +558,10 @@ int mdt_client_add(const struct lu_env *env, int mdt_client_new(const struct lu_env *env, struct mdt_device *mdt); +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, @@ -555,24 +576,40 @@ int mdt_reint_open(struct mdt_thread_info *info, struct mdt_file_data *mdt_handle2mfd(struct mdt_thread_info *, const struct lustre_handle *); -int mdt_epoch_open(struct mdt_thread_info *info, struct mdt_object *o); -void mdt_sizeonmds_enable(struct mdt_thread_info *info, struct mdt_object *mo); -int mdt_sizeonmds_enabled(struct mdt_object *mo); -int mdt_write_get(struct mdt_device *mdt, struct mdt_object *o); -int mdt_write_read(struct mdt_device *mdt, struct mdt_object *o); + +enum { + MDT_IOEPOCH_CLOSED = 0, + MDT_IOEPOCH_OPENED = 1, + MDT_IOEPOCH_GETATTR = 2, +}; + +enum { + MDT_SOM_DISABLE = 0, + MDT_SOM_ENABLE = 1, +}; + +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); +int mdt_write_get(struct mdt_object *o); +void mdt_write_put(struct mdt_object *o); +int mdt_write_read(struct mdt_object *o); struct mdt_file_data *mdt_mfd_new(void); 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, - int flags); + struct md_attr *ma, int flags); int mdt_done_writing(struct mdt_thread_info *info); void mdt_shrink_reply(struct mdt_thread_info *info); int mdt_handle_last_unlink(struct mdt_thread_info *, struct mdt_object *, const struct md_attr *); void mdt_reconstruct_open(struct mdt_thread_info *, struct mdt_lock_handle *); -struct thandle* mdt_trans_start(const struct lu_env *env, - struct mdt_device *mdt, int credits); + +struct thandle *mdt_trans_create(const struct lu_env *env, + struct mdt_device *mdt); +int mdt_trans_start(const struct lu_env *env, struct mdt_device *mdt, + struct thandle *th); void mdt_trans_stop(const struct lu_env *env, struct mdt_device *mdt, struct thandle *th); int mdt_record_write(const struct lu_env *env, @@ -591,23 +628,22 @@ 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 *); void mdt_exit_ucred(struct mdt_thread_info *); +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); /* mdt_idmap.c */ +int mdt_init_sec_level(struct mdt_thread_info *); int mdt_init_idmap(struct mdt_thread_info *); - void mdt_cleanup_idmap(struct mdt_export_data *); - int mdt_handle_idmap(struct mdt_thread_info *); - int ptlrpc_user_desc_do_idmap(struct ptlrpc_request *, struct ptlrpc_user_desc *); - void mdt_body_reverse_idmap(struct mdt_thread_info *, struct mdt_body *); - int mdt_remote_perm_reverse_idmap(struct ptlrpc_request *, struct mdt_remote_perm *); - int mdt_fix_attr_ucred(struct mdt_thread_info *, __u32); static inline struct mdt_device *mdt_dev(struct lu_device *d) @@ -616,6 +652,16 @@ static inline struct mdt_device *mdt_dev(struct lu_device *d) return container_of0(d, struct mdt_device, mdt_md_dev.md_lu_dev); } +static inline struct dt_object *mdt_obj2dt(struct mdt_object *mo) +{ + struct lu_object *lo; + struct mdt_device *mdt = mdt_dev(mo->mot_obj.mo_lu.lo_dev); + + lo = lu_object_locate(mo->mot_obj.mo_lu.lo_header, + mdt->mdt_bottom->dd_lu_dev.ld_type); + return lu2dt(lo); +} + /* mdt/mdt_identity.c */ #define MDT_IDENTITY_UPCALL_PATH "/usr/sbin/l_getidentity" @@ -637,7 +683,7 @@ static inline void mdt_fail_write(const struct lu_env *env, struct dt_device *dd, int id) { if (OBD_FAIL_CHECK_ORSET(id, OBD_FAIL_ONCE)) { - CERROR(LUSTRE_MDT_NAME": obd_fail_loc=%x, fail write ops\n", + CERROR(LUSTRE_MDT_NAME": cfs_fail_loc=%x, fail write ops\n", id); dd->dd_ops->dt_ro(env, dd); /* We set FAIL_ONCE because we never "un-fail" a device */ @@ -664,7 +710,7 @@ static inline int mdt_check_resent(struct mdt_thread_info *info, RETURN(1); } DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")", - req->rq_export->exp_mdt_data.med_lcd->lcd_last_xid); + req->rq_export->exp_target_data.ted_lcd->lcd_last_xid); } RETURN(0); } @@ -676,13 +722,15 @@ static inline int is_identity_get_disabled(struct upcall_cache *cache) return cache ? (strcmp(cache->uc_upcall, "NONE") == 0) : 1; } +int mdt_blocking_ast(struct ldlm_lock*, struct ldlm_lock_desc*, void*, int); + /* Issues dlm lock on passed @ns, @f stores it lock handle into @lh. */ static inline int mdt_fid_lock(struct ldlm_namespace *ns, struct lustre_handle *lh, ldlm_mode_t mode, ldlm_policy_data_t *policy, const struct ldlm_res_id *res_id, - int flags) + int flags, const __u64 *client_cookie) { int rc; @@ -690,9 +738,9 @@ static inline int mdt_fid_lock(struct ldlm_namespace *ns, LASSERT(lh != NULL); rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy, - mode, &flags, ldlm_blocking_ast, - ldlm_completion_ast, NULL, NULL, - 0, NULL, lh); + mode, &flags, mdt_blocking_ast, + ldlm_completion_ast, NULL, NULL, 0, + client_cookie, lh); return rc == ELDLM_OK ? 0 : -EIO; } @@ -745,18 +793,42 @@ static inline struct lu_name *mdt_name_copy(struct lu_name *tlname, return tlname; } +void mdt_enable_cos(struct mdt_device *, int); +int mdt_cos_is_enabled(struct mdt_device *); +int mdt_hsm_copytool_send(struct obd_export *exp); + /* lprocfs stuff */ +enum { + LPROC_MDT_OPEN = 0, + LPROC_MDT_CLOSE, + LPROC_MDT_MKNOD, + LPROC_MDT_LINK, + LPROC_MDT_UNLINK, + LPROC_MDT_MKDIR, + LPROC_MDT_RMDIR, + LPROC_MDT_RENAME, + LPROC_MDT_GETATTR, + LPROC_MDT_SETATTR, + LPROC_MDT_GETXATTR, + LPROC_MDT_SETXATTR, + LPROC_MDT_STATFS, + LPROC_MDT_SYNC, + LPROC_MDT_SAMEDIR_RENAME, + LPROC_MDT_CROSSDIR_RENAME, + LPROC_MDT_LAST, +}; +void mdt_counter_incr(struct obd_export *exp, int opcode); +void mdt_stats_counter_init(struct lprocfs_stats *stats); void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars); int mdt_procfs_init(struct mdt_device *mdt, const char *name); int mdt_procfs_fini(struct mdt_device *mdt); +void mdt_rename_counter_tally(struct mdt_thread_info *info, + struct mdt_device *mdt, struct obd_export *exp, + struct mdt_object *src, struct mdt_object *tgt); void mdt_time_start(const struct mdt_thread_info *info); void mdt_time_end(const struct mdt_thread_info *info, int idx); -enum { - LPROC_MDT_NR -}; - /* Capability */ int mdt_ck_thread_start(struct mdt_device *mdt); void mdt_ck_thread_stop(struct mdt_device *mdt); @@ -767,11 +839,11 @@ static inline void mdt_set_capainfo(struct mdt_thread_info *info, int offset, const struct lu_fid *fid, struct lustre_capa *capa) { - struct mdt_device *dev = info->mti_mdt; struct md_capainfo *ci; LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX); - if (!dev->mdt_opts.mo_mds_capa) + if (!info->mti_mdt->mdt_opts.mo_mds_capa || + !(info->mti_exp->exp_connect_flags & OBD_CONNECT_MDS_CAPA)) return; ci = md_capainfo(info->mti_env); @@ -804,5 +876,9 @@ static inline void mdt_dump_capainfo(struct mdt_thread_info *info) } } +static inline struct obd_device *mdt2obd_dev(const struct mdt_device *mdt) +{ + return mdt->mdt_md_dev.md_lu_dev.ld_obd; +} #endif /* __KERNEL__ */ #endif /* _MDT_H */