X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdd%2Fmdd_internal.h;h=d436a3e08f25d0f94648da47b824af3912ec2b7e;hb=ddd2b0e4c4170071948e27bf4e4dcd81ef24291e;hp=d6729e2755e88ea1c24e70709d2a23ef6d265240;hpb=11127cbfc4b9a184376a054a60a268d3e4b214b9;p=fs%2Flustre-release.git diff --git a/lustre/mdd/mdd_internal.h b/lustre/mdd/mdd_internal.h index d6729e2..d436a3e 100644 --- a/lustre/mdd/mdd_internal.h +++ b/lustre/mdd/mdd_internal.h @@ -26,7 +26,7 @@ * 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. */ /* @@ -41,8 +41,6 @@ #ifndef _MDD_INTERNAL_H #define _MDD_INTERNAL_H -#include - #include #include #include @@ -62,11 +60,15 @@ extern quota_interface_t *mds_quota_interface_ref; static inline void mdd_quota_wrapper(struct lu_attr *la, unsigned int *qids) { - qids[0] = la->la_uid; - qids[1] = la->la_gid; + qids[USRQUOTA] = la->la_uid; + qids[GRPQUOTA] = la->la_gid; } #endif +/* PDO lock is unnecessary for current MDT stack because operations + * are already protected by ldlm lock */ +#define MDD_DISABLE_PDO_LOCK 1 + enum mdd_txn_op { MDD_TXN_OBJECT_DESTROY_OP = 0, MDD_TXN_OBJECT_CREATE_OP, @@ -88,6 +90,34 @@ struct mdd_txn_op_descr { unsigned int mod_credits; }; +/* Changelog flags */ +/** changelog is recording */ +#define CLM_ON 0x00001 +/** internal error prevented changelogs from starting */ +#define CLM_ERR 0x00002 +/* Marker flags */ +/** changelogs turned on */ +#define CLM_START 0x10000 +/** changelogs turned off */ +#define CLM_FINI 0x20000 +/** some changelog records purged */ +#define CLM_PURGE 0x40000 + +struct mdd_changelog { + cfs_spinlock_t mc_lock; /* for index */ + int mc_flags; + int mc_mask; + __u64 mc_index; + __u64 mc_starttime; + cfs_spinlock_t mc_user_lock; + int mc_lastuser; +}; + +/** Objects in .lustre dir */ +struct mdd_dot_lustre_objs { + struct mdd_object *mdd_obf; +}; + struct mdd_device { struct md_device mdd_md_dev; struct dt_device *mdd_child; @@ -99,7 +129,11 @@ struct mdd_device { cfs_proc_dir_entry_t *mdd_proc_entry; struct lprocfs_stats *mdd_stats; struct mdd_txn_op_descr mdd_tod[MDD_TXN_LAST_OP]; + struct mdd_changelog mdd_cl; unsigned long mdd_atime_diff; + struct mdd_object *mdd_dot_lustre; + struct mdd_dot_lustre_objs mdd_dot_lustre_objs; + unsigned int mdd_sync_permission; }; enum mod_flags { @@ -119,16 +153,18 @@ enum mdd_object_role { MOR_SRC_PARENT, MOR_SRC_CHILD, MOR_TGT_PARENT, - MOR_TGT_CHILD + MOR_TGT_CHILD, + MOR_TGT_ORPHAN }; struct mdd_object { struct md_object mod_obj; /* open count */ - __u32 mod_count; - __u32 mod_valid; - unsigned long mod_flags; - struct dynlock mod_pdlock; + __u32 mod_count; + __u32 mod_valid; + __u64 mod_cltime; + unsigned long mod_flags; + struct dynlock mod_pdlock; #ifdef CONFIG_LOCKDEP /* "dep_map" name is assumed by lockdep.h macros. */ struct lockdep_map dep_map; @@ -138,17 +174,18 @@ struct mdd_object { struct mdd_thread_info { struct txn_param mti_param; struct lu_fid mti_fid; + struct lu_fid mti_fid2; /* used for be & cpu converting */ struct lu_attr mti_la; - struct md_attr mti_ma; struct lu_attr mti_la_for_fix; + struct md_attr mti_ma; struct obd_info mti_oi; char mti_orph_key[NAME_MAX + 1]; struct obd_trans_info mti_oti; struct lu_buf mti_buf; + struct lu_buf mti_big_buf; /* biggish persistent buf */ + struct lu_name mti_name; struct obdo mti_oa; char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE]; - struct lu_fid mti_fid2; /* used for be & cpu converting */ - struct lu_fid_pack mti_pack; struct dt_allocation_hint mti_hint; struct lov_mds_md *mti_max_lmm; int mti_max_lmm_size; @@ -172,6 +209,9 @@ int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd, struct lustre_cfg *cfg); int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd, struct lustre_cfg *lcfg); +int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj, + const struct lu_buf *buf, const char *name, + int fl, struct thandle *handle); int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj, const struct lu_buf *buf, const char *name, int fl, struct thandle *txn); @@ -188,10 +228,16 @@ void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm); void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd, struct lov_mds_md *lmm, int lmm_size, const struct md_op_spec *spec); +int mdd_file_lock(const struct lu_env *env, struct md_object *obj, + struct lov_mds_md *lmm, struct ldlm_extent *extent, + struct lustre_handle *lockh); +int mdd_file_unlock(const struct lu_env *env, struct md_object *obj, + struct lov_mds_md *lmm, struct lustre_handle *lockh); int mdd_get_md(const struct lu_env *env, struct mdd_object *obj, void *md, int *md_size, const char *name); int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj, void *md, int *md_size, const char *name); +int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data); int mdd_la_get(const struct lu_env *env, struct mdd_object *obj, struct lu_attr *la, struct lustre_capa *capa); int mdd_attr_set_internal(const struct lu_env *env, @@ -208,6 +254,8 @@ int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj, struct md_attr *ma); int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj, struct md_attr *ma); +int mdd_attr_get_internal(const struct lu_env *env, struct mdd_object *mdd_obj, + struct md_attr *ma); int mdd_attr_get_internal_locked(const struct lu_env *env, struct mdd_object *mdd_obj, struct md_attr *ma); @@ -222,6 +270,7 @@ int mdd_attr_check_set_internal_locked(const struct lu_env *env, int needacl); int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj, struct md_attr *ma); + /* mdd_lock.c */ void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj, enum mdd_object_role role); @@ -229,6 +278,7 @@ void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj, enum mdd_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); void mdd_pdlock_init(struct mdd_object *obj); unsigned long mdd_name2hash(const char *name); @@ -245,6 +295,8 @@ void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj, void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj, struct dynlock_handle *dlh); /* 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); void __mdd_ref_add(const struct lu_env *env, struct mdd_object *obj, struct thandle *handle); void __mdd_ref_del(const struct lu_env *env, struct mdd_object *obj, @@ -261,10 +313,20 @@ int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj, int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj, struct md_attr *ma, struct thandle *th); int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid, - struct mdd_object *child, struct md_attr *ma, - struct thandle *handle, const struct md_op_spec *spec); + const struct lu_name *lname, struct mdd_object *child, + struct md_attr *ma, struct thandle *handle, + const struct md_op_spec *spec); int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj, const struct lu_name *lname, struct mdd_object *src_obj); +int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid); +int mdd_lookup(const struct lu_env *env, + struct md_object *pobj, const struct lu_name *lname, + struct lu_fid* fid, struct md_op_spec *spec); +struct lu_buf *mdd_links_get(const struct lu_env *env, + struct mdd_object *mdd_obj); +void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen, + struct lu_name *lname, struct lu_fid *pfid); + /* mdd_lov.c */ int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd, struct mdd_object *mdd_cobj, struct md_attr *ma); @@ -304,11 +366,27 @@ void mdd_lprocfs_time_start(const struct lu_env *env); void mdd_lprocfs_time_end(const struct lu_env *env, struct mdd_device *mdd, int op); +/* mdd_object.c */ int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj); +struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len); +int mdd_buf_grow(const struct lu_env *env, ssize_t len); +void mdd_buf_put(struct lu_buf *buf); extern const struct md_dir_operations mdd_dir_ops; extern const struct md_object_operations mdd_obj_ops; +int accmode(const struct lu_env *env, struct lu_attr *la, int flags); +extern struct lu_context_key mdd_thread_key; +extern const struct lu_device_operations mdd_lu_ops; + +struct mdd_object *mdd_object_find(const struct lu_env *env, + struct mdd_device *d, + const struct lu_fid *f); +int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm); +int mdd_readpage(const struct lu_env *env, struct md_object *obj, + const struct lu_rdpg *rdpg); +int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type, + int flags, struct md_object *obj); /* mdd_quota.c*/ #ifdef HAVE_QUOTA_SUPPORT int mdd_quota_notify(const struct lu_env *env, struct md_device *m); @@ -317,7 +395,7 @@ int mdd_quota_setup(const struct lu_env *env, struct md_device *m, int mdd_quota_cleanup(const struct lu_env *env, struct md_device *m); int mdd_quota_recovery(const struct lu_env *env, struct md_device *m); int mdd_quota_check(const struct lu_env *env, struct md_device *m, - struct obd_export *exp, __u32 type); + __u32 type); int mdd_quota_on(const struct lu_env *env, struct md_device *m, __u32 type); int mdd_quota_off(const struct lu_env *env, struct md_device *m, @@ -375,15 +453,13 @@ int mdd_txn_commit_cb(const struct lu_env *env, struct thandle *txn, struct lu_object *mdd_object_alloc(const struct lu_env *env, const struct lu_object_header *hdr, struct lu_device *d); - -/* mdd_object.c */ -int accmode(const struct lu_env *env, struct lu_attr *la, int flags); -extern struct lu_context_key mdd_thread_key; -extern const struct lu_device_operations mdd_lu_ops; - -struct mdd_object *mdd_object_find(const struct lu_env *env, - struct mdd_device *d, - const struct lu_fid *f); +struct llog_changelog_rec; +int mdd_changelog_llog_write(struct mdd_device *mdd, + struct llog_changelog_rec *rec, + struct thandle *handle); +int mdd_changelog_llog_cancel(struct mdd_device *mdd, long long endrec); +int mdd_changelog_write_header(struct mdd_device *mdd, int markerflags); +int mdd_changelog_on(struct mdd_device *mdd, int on); /* mdd_permission.c */ #define mdd_cap_t(x) (x) @@ -416,24 +492,24 @@ int mdd_capa_get(const struct lu_env *env, struct md_object *obj, static inline int lu_device_is_mdd(struct lu_device *d) { - return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops); + return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops); } static inline struct mdd_device* lu2mdd_dev(struct lu_device *d) { - LASSERT(lu_device_is_mdd(d)); - return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev); + LASSERT(lu_device_is_mdd(d)); + return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev); } static inline struct lu_device *mdd2lu_dev(struct mdd_device *d) { - return (&d->mdd_md_dev.md_lu_dev); + return (&d->mdd_md_dev.md_lu_dev); } static inline struct mdd_object *lu2mdd_obj(struct lu_object *o) { - LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev))); - return container_of0(o, struct mdd_object, mod_obj.mo_lu); + LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev))); + return container_of0(o, struct mdd_object, mod_obj.mo_lu); } static inline struct mdd_device* mdo2mdd(struct md_object *mdo) @@ -478,16 +554,7 @@ static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj) return lu_object_fid(&obj->mod_obj.mo_lu); } -static inline const struct dt_rec *__mdd_fid_rec(const struct lu_env *env, - const struct lu_fid *fid) -{ - struct lu_fid_pack *pack = &mdd_env_info(env)->mti_pack; - - fid_pack(pack, fid, &mdd_env_info(env)->mti_fid2); - return (const struct dt_rec *)pack; -} - -static inline umode_t mdd_object_type(const struct mdd_object *obj) +static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj) { return lu_object_attr(&obj->mod_obj.mo_lu); } @@ -588,6 +655,15 @@ static inline int mdd_permission_internal_locked(const struct lu_env *env, return __mdd_permission_internal(env, obj, la, mask, role); } +static inline int mdo_data_get(const struct lu_env *env, + struct mdd_object *obj, + void **data) +{ + struct dt_object *next = mdd_object_child(obj); + next->do_ops->do_data_get(env, next, data); + return 0; +} + /* mdd inline func for calling osd_dt_object ops */ static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj, struct lu_attr *la, struct lustre_capa *capa)