X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdd%2Fmdd_internal.h;h=ac8ecc34b2f3a07f06a2fd20a145ba5c144dbcef;hb=3cce65712d94cffe8f1626545845b95b88aef672;hp=fed7e75102c22f8a16021e9fbccec872a2b905e7;hpb=08ffb6f1428fb0500e7befce5d50959658e768c6;p=fs%2Flustre-release.git diff --git a/lustre/mdd/mdd_internal.h b/lustre/mdd/mdd_internal.h index fed7e75..ac8ecc3 100644 --- a/lustre/mdd/mdd_internal.h +++ b/lustre/mdd/mdd_internal.h @@ -23,7 +23,7 @@ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2011, 2016, Intel Corporation. + * Copyright (c) 2011, 2017, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -48,6 +48,26 @@ #include #include +/* ChangeLog params for automatic purge mechanism */ +/* max time allowed for a user to stay idle in seconds */ +#define CHLOG_MAX_IDLE_TIME 2592000 /* = 30 days */ +/* max gap allowed for a user to stay idle in number of ChangeLog records + * this is an evaluation, assuming that chunk-size is LLOG_MIN_CHUNK_SIZE, of + * the indexes gap for half full changelogs */ +#define CHLOG_MAX_IDLE_INDEXES (((LLOG_MIN_CHUNK_SIZE - \ + offsetof(struct llog_log_hdr, \ + llh_bitmap[0]) - \ + sizeof(struct llog_rec_tail)) * 4) * \ + ((LLOG_MIN_CHUNK_SIZE - \ + offsetof(struct llog_log_hdr, \ + llh_bitmap[0]) - \ + sizeof(struct llog_rec_tail)) * 8)) +/* min time in seconds between two gc thread runs if none already started */ +#define CHLOG_MIN_GC_INTERVAL 3600 +/* minimum number of free ChangeLog catalog entries (ie, between cur and + * last indexes) before starting garbage collect */ +#define CHLOG_MIN_FREE_CAT_ENTRIES 2 + /* Changelog flags */ /** changelog is recording */ #define CLM_ON 0x00001 @@ -63,6 +83,14 @@ #define LLOG_CHANGELOG_HDR_SZ (sizeof(struct llog_changelog_rec) - \ sizeof(struct changelog_rec)) +/* mc_gc_task values */ +/** no GC thread to be started **/ +#define MDD_CHLG_GC_NONE NULL +/** a GC thread need to be started **/ +#define MDD_CHLG_GC_NEED (struct task_struct *)(-1) +/** a GC thread will be started now **/ +#define MDD_CHLG_GC_START (struct task_struct *)(-2) +/** else the started task_struct address when running **/ struct mdd_changelog { spinlock_t mc_lock; /* for index */ @@ -72,6 +100,12 @@ struct mdd_changelog { ktime_t mc_starttime; spinlock_t mc_user_lock; int mc_lastuser; + int mc_users; /* registered users number */ + struct task_struct *mc_gc_task; + time64_t mc_gc_time; /* last GC check or run time */ + unsigned int mc_deniednext; /* interval for recording denied + * accesses + */ }; static inline __u64 cl_time(void) @@ -105,15 +139,22 @@ struct mdd_device { struct lu_fid mdd_local_root_fid; struct dt_device_param mdd_dt_conf; struct dt_object *mdd_orphans; /* PENDING directory */ - struct proc_dir_entry *mdd_proc_entry; struct mdd_changelog mdd_cl; - unsigned long mdd_atime_diff; + unsigned int mdd_changelog_gc; + time64_t mdd_changelog_max_idle_time; + unsigned long mdd_changelog_max_idle_indexes; + time64_t mdd_changelog_min_gc_interval; + unsigned int mdd_changelog_min_free_cat_entries; + time64_t mdd_atime_diff; struct mdd_object *mdd_dot_lustre; struct mdd_dot_lustre_objs mdd_dot_lustre_objs; unsigned int mdd_sync_permission; int mdd_connects; struct local_oid_storage *mdd_los; - struct mdd_generic_thread mdd_orph_cleanup_thread; + struct mdd_generic_thread mdd_orphan_cleanup_thread; + struct kobject mdd_kobj; + struct kobj_type mdd_ktype; + struct completion mdd_kobj_unregister; }; enum mod_flags { @@ -130,6 +171,7 @@ struct mdd_object { u32 mod_valid; ktime_t mod_cltime; unsigned long mod_flags; + struct list_head mod_users; /**< unique user opens */ }; struct mdd_thread_info { @@ -150,11 +192,13 @@ struct mdd_thread_info { * then mti_ent::lde_name will be mti_key. */ struct lu_dirent mti_ent; char mti_key[NAME_MAX + 16]; + char mti_name[NAME_MAX + 1]; struct lu_buf mti_buf[4]; struct lu_buf mti_big_buf; /* biggish persistent buf */ struct lu_buf mti_link_buf; /* buf for link ea */ struct lu_buf mti_xattr_buf; struct obdo mti_oa; + struct lmv_user_md mti_lmu; struct dt_allocation_hint mti_hint; struct dt_object_format mti_dof; struct linkea_data mti_link_data; @@ -162,10 +206,9 @@ struct mdd_thread_info { struct dt_insert_rec mti_dt_rec; struct lfsck_req_local mti_lrl; struct lu_seq_range mti_range; + union lmv_mds_md mti_lmv; }; -extern const char orph_index_name[]; - int mdd_la_get(const struct lu_env *env, struct mdd_object *obj, struct lu_attr *la); int mdd_attr_get(const struct lu_env *env, struct md_object *obj, @@ -188,16 +231,14 @@ int mdd_create_object_internal(const struct lu_env *env, struct mdd_object *p, /* mdd_lock.c */ void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj, - enum mdd_object_role role); + enum dt_object_role role); void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj, - enum mdd_object_role role); + enum dt_object_role role); void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj); void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj); int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj); /* mdd_dir.c */ -int mdd_is_subdir(const struct lu_env *env, struct md_object *mo, - const struct lu_fid *fid, struct lu_fid *sfid); int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj, const struct lu_attr *pattr, struct mdd_object *cobj, bool check_perm); @@ -232,6 +273,9 @@ int mdd_links_rename(const struct lu_env *env, struct thandle *handle, struct linkea_data *ldata, int first, int check); +int mdd_dir_layout_shrink(const struct lu_env *env, + struct md_object *md_obj, + const struct lu_buf *lmu_buf); struct mdd_thread_info *mdd_env_info(const struct lu_env *env); @@ -242,16 +286,16 @@ const struct lu_buf *mdd_buf_get_const(const struct lu_env *env, const void *area, ssize_t len); int mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d); -int __mdd_orphan_add(const struct lu_env *, struct mdd_object *, - struct thandle *); -int __mdd_orphan_del(const struct lu_env *, struct mdd_object *, - struct thandle *); -int orph_index_init(const struct lu_env *env, struct mdd_device *mdd); -void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd); -int orph_declare_index_insert(const struct lu_env *, struct mdd_object *, - umode_t mode, struct thandle *); -int orph_declare_index_delete(const struct lu_env *, struct mdd_object *, - struct thandle *); +int mdd_orphan_insert(const struct lu_env *env, struct mdd_object *obj, + struct thandle *thandle); +int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj, + struct thandle *thandle); +int mdd_orphan_index_init(const struct lu_env *env, struct mdd_device *mdd); +void mdd_orphan_index_fini(const struct lu_env *env, struct mdd_device *mdd); +int mdd_orphan_declare_insert(const struct lu_env *env, struct mdd_object *obj, + umode_t mode, struct thandle *thandle); +int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj, + struct thandle *thandle); /* mdd_lproc.c */ int mdd_procfs_init(struct mdd_device *mdd, const char *name); @@ -263,7 +307,6 @@ extern const struct md_dir_operations mdd_dir_ops; extern const struct md_object_operations mdd_obj_ops; int mdd_readlink(const struct lu_env *env, struct md_object *obj, struct lu_buf *buf); -int accmode(const struct lu_env *env, const struct lu_attr *la, int flags); extern struct lu_context_key mdd_thread_key; extern const struct lu_device_operations mdd_lu_ops; @@ -273,21 +316,30 @@ struct mdd_object *mdd_object_find(const struct lu_env *env, int mdd_readpage(const struct lu_env *env, struct md_object *obj, const struct lu_rdpg *rdpg); int mdd_declare_changelog_store(const struct lu_env *env, - struct mdd_device *mdd, - const struct lu_name *tname, - const struct lu_name *sname, - struct thandle *handle); + struct mdd_device *mdd, + enum changelog_rec_type type, + const struct lu_name *tname, + const struct lu_name *sname, + struct thandle *handle); void mdd_changelog_rec_ext_jobid(struct changelog_rec *rec, const char *jobid); void mdd_changelog_rec_ext_extra_flags(struct changelog_rec *rec, __u64 eflags); +void mdd_changelog_rec_extra_uidgid(struct changelog_rec *rec, + __u64 uid, __u64 gid); +void mdd_changelog_rec_extra_nid(struct changelog_rec *rec, + lnet_nid_t nid); +void mdd_changelog_rec_extra_omode(struct changelog_rec *rec, u32 flags); +void mdd_changelog_rec_extra_xattr(struct changelog_rec *rec, + const char *xattr_name); int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd, struct llog_changelog_rec *rec, struct thandle *th); int mdd_changelog_data_store(const struct lu_env *env, struct mdd_device *mdd, - enum changelog_rec_type type, int flags, + enum changelog_rec_type type, + enum changelog_rec_flags clf_flags, struct mdd_object *mdd_obj, struct thandle *handle); int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd, enum changelog_rec_type type, - enum changelog_rec_flags crf, + enum changelog_rec_flags clf_flags, struct mdd_object *target, const struct lu_fid *tpfid, const struct lu_fid *sfid, @@ -303,8 +355,15 @@ int mdd_declare_create_object_internal(const struct lu_env *env, struct thandle *handle, const struct md_op_spec *spec, struct dt_allocation_hint *hint); -int mdd_get_lov_ea(const struct lu_env *env, struct mdd_object *obj, - struct lu_buf *lmm_buf); +int mdd_stripe_get(const struct lu_env *env, struct mdd_object *obj, + struct lu_buf *lmm_buf, const char *name); +int mdd_changelog_data_store_xattr(const struct lu_env *env, + struct mdd_device *mdd, + enum changelog_rec_type type, + enum changelog_rec_flags clf_flags, + struct mdd_object *mdd_obj, + const char *xattr_name, + struct thandle *handle); /* mdd_trans.c */ void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent, @@ -346,12 +405,13 @@ int __mdd_fix_mode_acl(const struct lu_env *env, struct lu_buf *buf, __u32 *mode); int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj, const struct lu_attr *la, int mask, int role); -int mdd_permission(const struct lu_env *env, - struct md_object *pobj, struct md_object *cobj, - struct md_attr *ma, int mask); +int mdd_permission(const struct lu_env *env, struct md_object *pobj, + struct md_object *cobj, struct md_attr *ma, int mask); int mdd_generic_thread_start(struct mdd_generic_thread *thread, int (*func)(void *), void *data, char *name); void mdd_generic_thread_stop(struct mdd_generic_thread *thread); +int mdd_changelog_user_purge(const struct lu_env *env, struct mdd_device *mdd, + __u32 id); /* mdd_prepare.c */ int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd); @@ -436,6 +496,11 @@ static inline bool mdd_is_volatile_obj(struct mdd_object *obj) return obj->mod_flags & VOLATILE_OBJ; } +static inline bool mdd_is_orphan_obj(struct mdd_object *obj) +{ + return obj->mod_flags & ORPHAN_OBJ; +} + static inline int mdd_object_exists(struct mdd_object *obj) { return lu_object_exists(mdd2lu_obj(obj)); @@ -474,7 +539,7 @@ static inline int mdd_permission_internal_locked(const struct lu_env *env, struct mdd_object *obj, const struct lu_attr *la, int mask, - enum mdd_object_role role) + enum dt_object_role role) { return __mdd_permission_internal(env, obj, la, mask, role); } @@ -578,20 +643,17 @@ mdo_invalidate(const struct lu_env *env, struct mdd_object *obj) static inline int mdo_declare_layout_change(const struct lu_env *env, struct mdd_object *obj, - struct layout_intent *layout, - const struct lu_buf *buf, struct thandle *handle) + struct md_layout_change *mlc, struct thandle *handle) { return dt_declare_layout_change(env, mdd_object_child(obj), - layout, buf, handle); + mlc, handle); } static inline int mdo_layout_change(const struct lu_env *env, struct mdd_object *obj, - struct layout_intent *layout, const struct lu_buf *buf, - struct thandle *handle) + struct md_layout_change *mlc, struct thandle *handle) { - return dt_layout_change(env, mdd_object_child(obj), - layout, buf, handle); + return dt_layout_change(env, mdd_object_child(obj), mlc, handle); } static inline @@ -705,4 +767,20 @@ int mdo_destroy(const struct lu_env *env, struct mdd_object *o, return dt_destroy(env, next, handle); } +static inline bool mdd_changelog_enabled(const struct lu_env *env, + struct mdd_device *mdd, + enum changelog_rec_type type) +{ + const struct lu_ucred *uc; + + if ((mdd->mdd_cl.mc_flags & CLM_ON) && + (mdd->mdd_cl.mc_mask & (1 << type))) { + uc = lu_ucred_check(env); + + return uc != NULL ? uc->uc_enable_audit : true; + } else { + return false; + } +} + #endif