X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fofd%2Fofd_internal.h;h=8d07cda0e5f24f32c40d7627c60634d6e248e9c6;hp=16d3d3d5616ea4c48b5813c7363d8dbf829d3919;hb=HEAD;hpb=ccabce23bd9e366c345c852f565766a799f61238 diff --git a/lustre/ofd/ofd_internal.h b/lustre/ofd/ofd_internal.h index 16d3d3d..a604347 100644 --- a/lustre/ofd/ofd_internal.h +++ b/lustre/ofd/ofd_internal.h @@ -27,7 +27,6 @@ */ /* * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. */ #ifndef _OFD_INTERNAL_H @@ -51,23 +50,19 @@ #define OFD_VALID_FLAGS (LA_TYPE | LA_MODE | LA_SIZE | LA_BLOCKS | \ LA_BLKSIZE | LA_ATIME | LA_MTIME | LA_CTIME) -/* per-client-per-object persistent state (LRU) */ -struct ofd_mod_data { - struct list_head fmd_list; /* linked to fed_mod_list */ - struct lu_fid fmd_fid; /* FID being written to */ - __u64 fmd_mactime_xid; /* xid highest {m,a,c}time setattr */ - time64_t fmd_expire; /* time when the fmd should expire */ - int fmd_refcount; /* reference counter - list holds 1 */ -}; - -#define OFD_FMD_MAX_NUM_DEFAULT 128 -#define OFD_FMD_MAX_AGE_DEFAULT (obd_timeout + 10) - #define OFD_SOFT_SYNC_LIMIT_DEFAULT 16 +/* + * update atime if on-disk value older than client's one + * by OFD_ATIME_DIFF or more + */ +#define OFD_DEF_ATIME_DIFF 0 /* disabled */ + /* request stats */ enum { - LPROC_OFD_STATS_READ = 0, + LPROC_OFD_STATS_READ_BYTES = 0, + LPROC_OFD_STATS_WRITE_BYTES, + LPROC_OFD_STATS_READ, LPROC_OFD_STATS_WRITE, LPROC_OFD_STATS_GETATTR, LPROC_OFD_STATS_SETATTR, @@ -79,6 +74,7 @@ enum { LPROC_OFD_STATS_GET_INFO, LPROC_OFD_STATS_SET_INFO, LPROC_OFD_STATS_QUOTACTL, + LPROC_OFD_STATS_PREALLOC, LPROC_OFD_STATS_LAST, }; @@ -88,7 +84,7 @@ static inline void ofd_counter_incr(struct obd_export *exp, int opcode, if (exp->exp_obd && exp->exp_obd->obd_stats) lprocfs_counter_add(exp->exp_obd->obd_stats, opcode, amount); - if (exp->exp_obd && exp->exp_obd->u.obt.obt_jobstats.ojs_hash && + if (exp->exp_obd && obd2obt(exp->exp_obd)->obt_jobstats.ojs_hash && (exp_connect_flags(exp) & OBD_CONNECT_JOBSTATS)) lprocfs_job_stats_log(exp->exp_obd, jobid, opcode, amount); @@ -104,9 +100,11 @@ struct ofd_seq { struct ost_id os_oi; spinlock_t os_last_oid_lock; struct mutex os_create_lock; - atomic_t os_refc; + refcount_t os_refc; + atomic_t os_precreate_in_progress; struct dt_object *os_lastid_obj; - unsigned long os_destroys_in_progress:1; + unsigned long os_destroys_in_progress:1, + os_last_id_synced:1; }; struct ofd_device { @@ -124,6 +122,10 @@ struct ofd_device { __u64 ofd_inconsistency_self_detected; __u64 ofd_inconsistency_self_repaired; + struct ofd_access_log *ofd_access_log; + unsigned int ofd_access_log_size; + unsigned int ofd_access_log_mask; + struct list_head ofd_seq_list; rwlock_t ofd_seq_list_lock; int ofd_seq_count; @@ -132,17 +134,10 @@ struct ofd_device { /* preferred BRW size, decided by storage type and capability */ __u32 ofd_brw_size; - /* checksum types supported on this node */ - enum cksum_types ofd_cksum_types_supported; - - /* ofd mod data: ofd_device wide values */ - int ofd_fmd_max_num; /* per ofd ofd_mod_data */ - time64_t ofd_fmd_max_age; /* time to fmd expiry */ - spinlock_t ofd_flags_lock; unsigned long ofd_raid_degraded:1, /* sync journal on writes */ - ofd_syncjournal:1, + ofd_sync_journal:1, /* Protected by ofd_lastid_rwsem. */ ofd_lastid_rebuilding:1, ofd_record_fid_accessed:1, @@ -154,14 +149,19 @@ struct ofd_device { /* Protect ::ofd_lastid_rebuilding */ struct rw_semaphore ofd_lastid_rwsem; __u64 ofd_lastid_gen; - struct ptlrpc_thread ofd_inconsistency_thread; + struct task_struct *ofd_inconsistency_task; struct list_head ofd_inconsistency_list; spinlock_t ofd_inconsistency_lock; + /* Backwards compatibility */ + struct attribute *ofd_read_cache_enable; + struct attribute *ofd_read_cache_max_filesize; + struct attribute *ofd_write_cache_enable; + time64_t ofd_atime_diff; }; static inline struct ofd_device *ofd_dev(struct lu_device *d) { - return container_of0(d, struct ofd_device, ofd_dt_dev.dd_lu_dev); + return container_of_safe(d, struct ofd_device, ofd_dt_dev.dd_lu_dev); } static inline struct obd_device *ofd_obd(struct ofd_device *ofd) @@ -179,17 +179,25 @@ static inline char *ofd_name(struct ofd_device *ofd) return ofd->ofd_dt_dev.dd_lu_dev.ld_obd->obd_name; } +/** + * for compatibility, filter_fid could occupy more space in newer version and + * downgraded Lustre would fail reading it with -ERANGE, so it can read it + * again with more space to hold it. + */ +#define FILTER_FID_EXTRA_SIZE 32 + struct ofd_object { struct lu_object_header ofo_header; struct dt_object ofo_obj; struct filter_fid ofo_ff; + time64_t ofo_atime_ondisk; unsigned int ofo_pfid_checking:1, ofo_pfid_verified:1; }; static inline struct ofd_object *ofd_obj(struct lu_object *o) { - return container_of0(o, struct ofd_object, ofo_obj.do_lu); + return container_of_safe(o, struct ofd_object, ofo_obj.do_lu); } static inline int ofd_object_exists(struct ofd_object *obj) @@ -209,7 +217,7 @@ static inline struct dt_object *ofd_object_child(struct ofd_object *_obj) { struct lu_object *lu = &(_obj)->ofo_obj.do_lu; - return container_of0(lu_object_next(lu), struct dt_object, do_lu); + return container_of(lu_object_next(lu), struct dt_object, do_lu); } static inline struct ofd_device *ofd_obj2dev(const struct ofd_object *fo) @@ -285,8 +293,17 @@ struct ofd_thread_info { }; }; -extern void target_recovery_fini(struct obd_device *obd); -extern void target_recovery_init(struct lu_target *lut, svc_handler_t handler); +/* ofd_access_log.c */ +bool ofd_access_log_size_is_valid(unsigned int size); +int ofd_access_log_module_init(void); +void ofd_access_log_module_exit(void); + +struct ofd_access_log; +struct ofd_access_log *ofd_access_log_create(const char *ofd_name, size_t size); +void ofd_access_log_delete(struct ofd_access_log *oal); +void ofd_access(const struct lu_env *env, struct ofd_device *m, + const struct lu_fid *parent_fid, __u64 begin, __u64 end, + unsigned int size, unsigned int segment_count, int rw); /* ofd_dev.c */ extern struct lu_context_key ofd_thread_key; @@ -295,11 +312,11 @@ int ofd_fiemap_get(const struct lu_env *env, struct ofd_device *ofd, struct lu_fid *fid, struct fiemap *fiemap); /* ofd_obd.c */ -extern struct obd_ops ofd_obd_ops; +extern const struct obd_ops ofd_obd_ops; int ofd_destroy_by_fid(const struct lu_env *env, struct ofd_device *ofd, const struct lu_fid *fid, int orphan); int ofd_statfs(const struct lu_env *env, struct obd_export *exp, - struct obd_statfs *osfs, __u64 max_age, __u32 flags); + struct obd_statfs *osfs, time64_t max_age, __u32 flags); int ofd_obd_disconnect(struct obd_export *exp); /* ofd_fs.c */ @@ -334,7 +351,8 @@ int ofd_preprw(const struct lu_env *env,int cmd, struct obd_export *exp, int ofd_commitrw(const struct lu_env *env, int cmd, struct obd_export *exp, struct obdo *oa, int objcount, struct obd_ioobj *obj, struct niobuf_remote *rnb, int npages, - struct niobuf_local *lnb, int old_rc); + struct niobuf_local *lnb, int old_rc, int nob, + ktime_t kstart); /* ofd_trans.c */ struct thandle *ofd_trans_create(const struct lu_env *env, @@ -348,11 +366,15 @@ int ofd_txn_stop_cb(const struct lu_env *env, struct thandle *txn, void *cookie); /* lproc_ofd.c */ +int ofd_tunables_init(struct ofd_device *ofd); #ifdef CONFIG_PROC_FS -extern struct lprocfs_vars lprocfs_ofd_obd_vars[]; -void ofd_stats_counter_init(struct lprocfs_stats *stats); +void ofd_stats_counter_init(struct lprocfs_stats *stats, unsigned int offset, + enum lprocfs_counter_config cntr_umask); #else -static inline void ofd_stats_counter_init(struct lprocfs_stats *stats) {} +static inline void +ofd_stats_counter_init(struct lprocfs_stats *stats, + unsigned int offset, + enum lprocfs_counter_config cntr_umask) {} #endif /* ofd_objects.c */ @@ -363,7 +385,8 @@ int ofd_object_ff_load(const struct lu_env *env, struct ofd_object *fo); int ofd_object_ff_update(const struct lu_env *env, struct ofd_object *fo, const struct obdo *oa, struct filter_fid *ff); int ofd_precreate_objects(const struct lu_env *env, struct ofd_device *ofd, - u64 id, struct ofd_seq *oseq, int nr, int sync); + u64 id, struct ofd_seq *oseq, int nr, int sync, + bool trans_local); static inline void ofd_object_put(const struct lu_env *env, struct ofd_object *fo) @@ -375,6 +398,9 @@ int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo, int ofd_object_punch(const struct lu_env *env, struct ofd_object *fo, __u64 start, __u64 end, struct lu_attr *la, struct obdo *oa); +int ofd_object_fallocate(const struct lu_env *env, struct ofd_object *fo, + __u64 start, __u64 end, int mode, struct lu_attr *la, + struct obdo *oa); int ofd_destroy(const struct lu_env *, struct ofd_object *, int); int ofd_attr_get(const struct lu_env *env, struct ofd_object *fo, struct lu_attr *la); @@ -396,22 +422,6 @@ struct ofd_object *ofd_object_find_exists(const struct lu_env *env, return fo; } -/* ofd_fmd.c */ -int ofd_fmd_init(void); -void ofd_fmd_exit(void); -struct ofd_mod_data *ofd_fmd_find(struct obd_export *exp, - const struct lu_fid *fid); -struct ofd_mod_data *ofd_fmd_get(struct obd_export *exp, - const struct lu_fid *fid); -void ofd_fmd_put(struct obd_export *exp, struct ofd_mod_data *fmd); -void ofd_fmd_expire(struct obd_export *exp); -void ofd_fmd_cleanup(struct obd_export *exp); -#ifdef DO_FMD_DROP -void ofd_fmd_drop(struct obd_export *exp, const struct lu_fid *fid); -#else -#define ofd_fmd_drop(exp, fid) do {} while (0) -#endif - /* ofd_dev.c */ int ofd_fid_set_index(const struct lu_env *env, struct ofd_device *ofd, int index); @@ -424,18 +434,13 @@ extern struct ldlm_valblock_ops ofd_lvbo; /* ofd_dlm.c */ extern struct kmem_cache *ldlm_glimpse_work_kmem; -int ofd_intent_policy(struct ldlm_namespace *ns, struct ldlm_lock **lockp, - void *req_cookie, enum ldlm_mode mode, __u64 flags, - void *data); +int ofd_intent_policy(const struct lu_env *env, struct ldlm_namespace *ns, + struct ldlm_lock **lockp, void *req_cookie, + enum ldlm_mode mode, __u64 flags, void *data); static inline struct ofd_thread_info *ofd_info(const struct lu_env *env) { - struct ofd_thread_info *info; - - lu_env_refill((void *)env); - info = lu_context_key_get(&env->le_ctx, &ofd_thread_key); - LASSERT(info); - return info; + return lu_env_info(env, &ofd_thread_key); } static inline struct ofd_thread_info *ofd_info_init(const struct lu_env *env, @@ -483,10 +488,10 @@ static inline struct ofd_thread_info *tsi2ofd_info(struct tgt_session_info *tsi) * sync on lock cancel if it is not enabled already. */ static inline void ofd_slc_set(struct ofd_device *ofd) { - if (ofd->ofd_syncjournal == 1) - ofd->ofd_lut.lut_sync_lock_cancel = NEVER_SYNC_ON_CANCEL; - else if (ofd->ofd_lut.lut_sync_lock_cancel == NEVER_SYNC_ON_CANCEL) - ofd->ofd_lut.lut_sync_lock_cancel = ALWAYS_SYNC_ON_CANCEL; + if (ofd->ofd_sync_journal == 1) + ofd->ofd_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_NEVER; + else if (ofd->ofd_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_NEVER) + ofd->ofd_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_ALWAYS; } static inline int ofd_validate_seq(struct obd_export *exp, __u64 seq) @@ -502,4 +507,41 @@ static inline int ofd_validate_seq(struct obd_export *exp, __u64 seq) return 0; } + +/** + * whether the requestion IO contains older layout version than that on the + * disk. + */ +static inline bool ofd_layout_version_less(__u32 req_version, + __u32 ondisk_version) +{ + __u32 req = req_version & ~LU_LAYOUT_RESYNC; + __u32 ondisk = ondisk_version & ~LU_LAYOUT_RESYNC; + + /** + * request layout version could be circularly increased to the samllest + * value, in that case @req < @ondisk but @req does not have the high + * end bit set while @ondisk does. + */ + return (req < ondisk) && + ((req & LU_LAYOUT_HIGEN) == (ondisk & LU_LAYOUT_HIGEN)); +} + +static inline int ofd_seq_is_exhausted(struct ofd_device *ofd, + const struct obdo *oa) +{ + struct seq_server_site *ss = &ofd->ofd_seq_site; + __u64 seq_width = ss->ss_client_seq->lcs_width; + __u64 seq = ostid_seq(&oa->o_oi); + __u64 oid = ostid_id(&oa->o_oi); + + if (fid_seq_is_norm(seq)) + return oid >= min(seq_width, OBIF_MAX_OID); + if (fid_seq_is_idif(seq) || fid_seq_is_mdt0(seq)) + return oid >= min(seq_width, IDIF_MAX_OID); + CERROR("%s : invalid o_seq "DOSTID"\n", + ofd_name(ofd), POSTID(&oa->o_oi)); + return -EINVAL; +} + #endif /* _OFD_INTERNAL_H */