X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdd%2Fmdd_internal.h;h=ea6d87d6ace24c0028d068e4e2795c94c2e4edf0;hb=8d5344f3e4e2e055acbe0d6179abaf1811672557;hp=65ee175cc464b53cd3f922c3c63652bba16b0b8b;hpb=0509770778396825ba1d7f1b42be5993aac1d6f3;p=fs%2Flustre-release.git diff --git a/lustre/mdd/mdd_internal.h b/lustre/mdd/mdd_internal.h index 65ee175..ea6d87d 100644 --- a/lustre/mdd/mdd_internal.h +++ b/lustre/mdd/mdd_internal.h @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: - * +/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. @@ -26,8 +24,10 @@ * 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, 2013, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -41,52 +41,16 @@ #ifndef _MDD_INTERNAL_H #define _MDD_INTERNAL_H -#include - #include #include -#include #include #include -#include -#include -#include -#ifdef HAVE_QUOTA_SUPPORT -# include -#endif -#include - -#ifdef HAVE_QUOTA_SUPPORT -/* quota stuff */ -extern quota_interface_t *mds_quota_interface_ref; - -static inline void mdd_quota_wrapper(struct lu_attr *la, unsigned int *qids) -{ - qids[USRQUOTA] = la->la_uid; - qids[GRPQUOTA] = la->la_gid; -} -#endif - -enum mdd_txn_op { - MDD_TXN_OBJECT_DESTROY_OP = 0, - MDD_TXN_OBJECT_CREATE_OP, - MDD_TXN_ATTR_SET_OP, - MDD_TXN_XATTR_SET_OP, - MDD_TXN_INDEX_INSERT_OP, - MDD_TXN_INDEX_DELETE_OP, - MDD_TXN_LINK_OP, - MDD_TXN_UNLINK_OP, - MDD_TXN_RENAME_OP, - MDD_TXN_RENAME_TGT_OP, - MDD_TXN_CREATE_DATA_OP, - MDD_TXN_MKDIR_OP, - MDD_TXN_LAST_OP -}; - -struct mdd_txn_op_descr { - enum mdd_txn_op mod_op; - unsigned int mod_credits; -}; +#include +#include +#include +#include +#include +#include /* Changelog flags */ /** changelog is recording */ @@ -102,58 +66,62 @@ struct mdd_txn_op_descr { #define CLM_PURGE 0x40000 struct mdd_changelog { - spinlock_t mc_lock; /* for index */ - cfs_waitq_t mc_waitq; - int mc_flags; - int mc_mask; - __u64 mc_index; - __u64 mc_starttime; - spinlock_t mc_user_lock; - int mc_lastuser; + spinlock_t mc_lock; /* for index */ + int mc_flags; + int mc_mask; + __u64 mc_index; + __u64 mc_starttime; + spinlock_t mc_user_lock; + int mc_lastuser; }; +static inline __u64 cl_time(void) { + cfs_fs_time_t time; + + cfs_fs_time_current(&time); + return (((__u64)time.tv_sec) << 30) + time.tv_nsec; +} + /** Objects in .lustre dir */ struct mdd_dot_lustre_objs { - struct mdd_object *mdd_obf; + struct mdd_object *mdd_obf; + struct mdd_object *mdd_lpf; +}; + +struct mdd_generic_thread { + struct completion mgt_started; + struct completion mgt_finished; + void *mgt_data; + bool mgt_abort; + bool mgt_init; }; struct mdd_device { struct md_device mdd_md_dev; + struct obd_export *mdd_child_exp; struct dt_device *mdd_child; - struct obd_device *mdd_obd_dev; - struct lu_fid mdd_root_fid; + struct dt_device *mdd_bottom; + struct lu_fid mdd_root_fid; /* /ROOT */ + struct lu_fid mdd_local_root_fid; struct dt_device_param mdd_dt_conf; - struct dt_object *mdd_orphans; - struct dt_txn_callback mdd_txn_cb; + struct dt_object *mdd_orphans; /* PENDING directory */ 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; + unsigned int mdd_sync_permission; + int mdd_connects; + struct local_oid_storage *mdd_los; + struct mdd_generic_thread mdd_orph_cleanup_thread; }; enum mod_flags { - /* The dir object has been unlinked */ - DEAD_OBJ = 1 << 0, - APPEND_OBJ = 1 << 1, - IMMUTE_OBJ = 1 << 2, - ORPHAN_OBJ = 1 << 3, - MNLINK_OBJ = 1 << 4 -}; - -#define LUSTRE_APPEND_FL LDISKFS_APPEND_FL -#define LUSTRE_IMMUTABLE_FL LDISKFS_IMMUTABLE_FL -#define LUSTRE_DIRSYNC_FL LDISKFS_DIRSYNC_FL - -enum mdd_object_role { - MOR_SRC_PARENT, - MOR_SRC_CHILD, - MOR_TGT_PARENT, - MOR_TGT_CHILD, - MOR_TGT_ORPHAN + /* The dir object has been unlinked */ + DEAD_OBJ = 1 << 0, + APPEND_OBJ = 1 << 1, + IMMUTE_OBJ = 1 << 2, + ORPHAN_OBJ = 1 << 3, }; struct mdd_object { @@ -163,105 +131,59 @@ struct mdd_object { __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; -#endif }; 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 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 dt_allocation_hint mti_hint; - struct lov_mds_md *mti_max_lmm; - int mti_max_lmm_size; - struct llog_cookie *mti_max_cookie; - int mti_max_cookie_size; - struct dt_object_format mti_dof; - struct obd_quotactl mti_oqctl; + struct lu_fid mti_fid; + struct lu_fid mti_fid2; /* used for be & cpu converting */ + /** + * only be used by MDD interfaces, can be passed into local MDD APIs. + */ + struct lu_attr mti_pattr; + struct lu_attr mti_cattr; + struct lu_attr mti_tpattr; + struct lu_attr mti_tattr; + /** used to set c/mtime */ + struct lu_attr mti_la_for_fix; + /* Only used in mdd_object_start */ + struct lu_attr mti_la_for_start; + /* mti_ent and mti_key must be conjoint, + * then mti_ent::lde_name will be mti_key. */ + struct lu_dirent mti_ent; + char mti_key[NAME_MAX + 16]; + 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 obdo mti_oa; + char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE]; + struct dt_allocation_hint mti_hint; + struct dt_object_format mti_dof; + struct linkea_data mti_link_data; + struct md_op_spec mti_spec; }; extern const char orph_index_name[]; -extern const struct dt_index_features orph_index_features; - -struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env, - struct mdd_device *mdd); - -struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env, - struct mdd_device *mdd); - -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); -int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj); -int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj, - struct mdd_object *child, struct lov_mds_md *lmm, - int lmm_size, struct thandle *handle, int set_stripe); -int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd, - struct mdd_object *parent, struct mdd_object *child, - struct lov_mds_md **lmm, int *lmm_size, - const struct md_op_spec *spec, struct lu_attr *la); -int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm); -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_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); +void mdd_flags_xlate(struct mdd_object *obj, __u32 flags); +int mdd_attr_get(const struct lu_env *env, struct md_object *obj, + struct md_attr *ma); +int mdd_attr_set(const struct lu_env *env, struct md_object *obj, + const struct md_attr *ma); int mdd_attr_set_internal(const struct lu_env *env, - struct mdd_object *obj, - struct lu_attr *attr, - struct thandle *handle, - int needacl); -int mdd_attr_check_set_internal(const struct lu_env *env, - struct mdd_object *obj, - struct lu_attr *attr, - struct thandle *handle, - int needacl); -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_locked(const struct lu_env *env, - struct mdd_object *mdd_obj, - struct md_attr *ma); + struct mdd_object *obj, + const struct lu_attr *attr, + struct thandle *handle, + int needacl); +int mdd_update_time(const struct lu_env *env, struct mdd_object *obj, + const struct lu_attr *oattr, struct lu_attr *attr, + struct thandle *handle); int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p, - struct mdd_object *c, struct md_attr *ma, - struct thandle *handle, - const struct md_op_spec *spec); -int mdd_attr_check_set_internal_locked(const struct lu_env *env, - struct mdd_object *obj, - struct lu_attr *attr, - struct thandle *handle, - int needacl); -int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj, - struct md_attr *ma); + struct mdd_object *c, struct lu_attr *attr, + struct thandle *handle, + const struct md_op_spec *spec, + struct dt_allocation_hint *hint); /* mdd_lock.c */ void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj, @@ -272,154 +194,122 @@ 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); -struct dynlock_handle *mdd_pdo_write_lock(const struct lu_env *env, - struct mdd_object *obj, - const char *name, - enum mdd_object_role role); -struct dynlock_handle *mdd_pdo_read_lock(const struct lu_env *env, - struct mdd_object *obj, - const char *name, - enum mdd_object_role role); -void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj, - struct dynlock_handle *dlh); -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, - struct thandle *handle, int is_dot); int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj, - struct mdd_object *cobj, int check_perm, int check_nlink); + const struct lu_attr *pattr, struct mdd_object *cobj, + bool check_perm); int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj, - const struct md_attr *ma); -int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj, - struct mdd_object *cobj, struct md_attr *ma, - int check_perm, int check_empty); + const struct lu_attr *pattr, const struct lu_attr *attr); +int mdd_may_delete(const struct lu_env *env, struct mdd_object *tpobj, + const struct lu_attr *tpattr, struct mdd_object *tobj, + const struct lu_attr *tattr, const struct lu_attr *cattr, + int check_perm, int check_empty); int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj, - struct mdd_object *cobj, struct md_attr *ma); + const struct lu_attr *pattr, + struct mdd_object *cobj, + const struct lu_attr *cattr); 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, - 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); + struct md_attr *ma, const struct mdd_object *pobj, + const struct lu_name *lname, struct thandle *th); + 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); +int mdd_links_read(const struct lu_env *env, struct mdd_object *mdd_obj, + struct linkea_data *ldata); +int mdd_declare_links_add(const struct lu_env *env, struct mdd_object *mdd_obj, + struct thandle *handle, struct linkea_data *ldata); +int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj, + struct linkea_data *ldata, struct thandle *handle); 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); - -int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd, - const struct md_attr *ma, - struct lov_mds_md *lmm, int lmm_size, - struct llog_cookie *logcookies, int cookies_size); - -int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd, - struct lov_mds_md *lmm); - -int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj, - struct lov_mds_md *lmm, int lmm_size, - struct llog_cookie *logcookies); +int mdd_links_rename(const struct lu_env *env, + struct mdd_object *mdd_obj, + const struct lu_fid *oldpfid, + const struct lu_name *oldlname, + const struct lu_fid *newpfid, + const struct lu_name *newlname, + struct thandle *handle, + struct linkea_data *ldata, + int first, int check); struct mdd_thread_info *mdd_env_info(const struct lu_env *env); +#define MDD_ENV_VAR(env, var) (&mdd_env_info(env)->mti_##var) + struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len); 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_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 mdd_txn_init_credits(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 *); /* mdd_lproc.c */ void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars); int mdd_procfs_init(struct mdd_device *mdd, const char *name); int mdd_procfs_fini(struct mdd_device *mdd); -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 struct kmem_cache *mdd_object_kmem; 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); +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; 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 *size); int mdd_readpage(const struct lu_env *env, struct md_object *obj, const struct lu_rdpg *rdpg); - -/* mdd_quota.c*/ -#ifdef HAVE_QUOTA_SUPPORT -int mdd_quota_notify(const struct lu_env *env, struct md_device *m); -int mdd_quota_setup(const struct lu_env *env, struct md_device *m, - void *data); -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); -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, - __u32 type); -int mdd_quota_setinfo(const struct lu_env *env, struct md_device *m, - __u32 type, __u32 id, struct obd_dqinfo *dqinfo); -int mdd_quota_getinfo(const struct lu_env *env, const struct md_device *m, - __u32 type, __u32 id, struct obd_dqinfo *dqinfo); -int mdd_quota_setquota(const struct lu_env *env, struct md_device *m, - __u32 type, __u32 id, struct obd_dqblk *dqblk); -int mdd_quota_getquota(const struct lu_env *env, const struct md_device *m, - __u32 type, __u32 id, struct obd_dqblk *dqblk); -int mdd_quota_getoinfo(const struct lu_env *env, const struct md_device *m, - __u32 type, __u32 id, struct obd_dqinfo *dqinfo); -int mdd_quota_getoquota(const struct lu_env *env, const struct md_device *m, - __u32 type, __u32 id, struct obd_dqblk *dqblk); -int mdd_quota_invalidate(const struct lu_env *env, struct md_device *m, - __u32 type); -int mdd_quota_finvalidate(const struct lu_env *env, struct md_device *m, - __u32 type); -#endif +int mdd_declare_changelog_store(const struct lu_env *env, + struct mdd_device *mdd, + const struct lu_name *fname, + struct thandle *handle); +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, + 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, unsigned flags, + struct mdd_object *target, struct mdd_object *parent, + const struct lu_name *tname, struct thandle *handle); +int mdd_declare_object_create_internal(const struct lu_env *env, + struct mdd_object *p, + struct mdd_object *c, + struct lu_attr *attr, + 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); /* mdd_trans.c */ -void mdd_txn_param_build(const struct lu_env *env, struct mdd_device *mdd, - enum mdd_txn_op); -int mdd_log_txn_param_build(const struct lu_env *env, struct md_object *obj, - struct md_attr *ma, enum mdd_txn_op); -int mdd_setattr_txn_param_build(const struct lu_env *env, struct md_object *obj, - struct md_attr *ma, enum mdd_txn_op); +void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent, + struct mdd_object *child, const struct lu_attr *attr, + const struct md_op_spec *spec, + struct dt_allocation_hint *hint); -int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd, - struct mdd_object *obj, struct lu_attr *la); +static inline void mdd_object_get(struct mdd_object *o) +{ + lu_object_get(&o->mod_obj.mo_lu); +} static inline void mdd_object_put(const struct lu_env *env, struct mdd_object *o) @@ -427,61 +317,42 @@ static inline void mdd_object_put(const struct lu_env *env, lu_object_put(env, &o->mod_obj.mo_lu); } -struct thandle* mdd_trans_start(const struct lu_env *env, - struct mdd_device *); - -void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd, - int rc, struct thandle *handle); +struct thandle *mdd_trans_create(const struct lu_env *env, + struct mdd_device *mdd); +int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd, + struct thandle *th); +int mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd, + int rc, struct thandle *handle); -int mdd_txn_start_cb(const struct lu_env *env, struct txn_param *param, - void *cookie); - -int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn, - void *cookie); - -int mdd_txn_commit_cb(const struct lu_env *env, struct thandle *txn, - void *cookie); /* mdd_device.c */ struct lu_object *mdd_object_alloc(const struct lu_env *env, const struct lu_object_header *hdr, struct lu_device *d); -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) - -#define MDD_CAP_TO_MASK(x) (1 << (x)) - -#define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag)) - -/* capable() is copied from linux kernel! */ -static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap) -{ - if (mdd_cap_raised(uc->mu_cap, cap)) - return 1; - return 0; -} +int mdd_local_file_create(const struct lu_env *env, struct mdd_device *mdd, + const struct lu_fid *pfid, const char *name, + __u32 mode, struct lu_fid *fid); -int mdd_def_acl_get(const struct lu_env *env, struct mdd_object *mdd_obj, - struct md_attr *ma); int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode, struct thandle *handle); -int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj, - struct lu_buf *buf, __u32 *mode, struct thandle *handle); +int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj, + struct lu_attr *attr, const struct lu_buf *buf, int fl); +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, - struct lu_attr *la, int mask, int role); + 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_capa_get(const struct lu_env *env, struct md_object *obj, struct lustre_capa *capa, int renewal); +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); + +/* mdd_prepare.c */ +int mdd_compat_fixes(const struct lu_env *env, struct mdd_device *mdd); +/* inline functions */ 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); @@ -533,7 +404,7 @@ static inline struct dt_object* mdd_object_child(struct mdd_object *o) static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd) { - return mdd->mdd_obd_dev; + return (mdd->mdd_md_dev.md_lu_dev.ld_obd); } static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj) @@ -551,20 +422,6 @@ static inline umode_t mdd_object_type(const struct mdd_object *obj) return lu_object_attr(&obj->mod_obj.mo_lu); } -static inline int mdd_lov_mdsize(const struct lu_env *env, - struct mdd_device *mdd) -{ - struct obd_device *obd = mdd2obd_dev(mdd); - return obd->u.mds.mds_max_mdsize; -} - -static inline int mdd_lov_cookiesize(const struct lu_env *env, - struct mdd_device *mdd) -{ - struct obd_device *obd = mdd2obd_dev(mdd); - return obd->u.mds.mds_max_cookiesize; -} - static inline int mdd_is_immutable(struct mdd_object *obj) { return obj->mod_flags & IMMUTE_OBJ; @@ -580,14 +437,14 @@ static inline int mdd_is_append(struct mdd_object *obj) return obj->mod_flags & APPEND_OBJ; } -static inline int mdd_is_mnlink(struct mdd_object *obj) +static inline int mdd_object_exists(struct mdd_object *obj) { - return obj->mod_flags & MNLINK_OBJ; + return lu_object_exists(mdd2lu_obj(obj)); } -static inline int mdd_object_exists(struct mdd_object *obj) +static inline int mdd_object_remote(struct mdd_object *obj) { - return lu_object_exists(mdd2lu_obj(obj)); + return lu_object_remote(mdd2lu_obj(obj)); } static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj) @@ -595,65 +452,65 @@ static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj) return lu_object_fid(mdd2lu_obj(obj)); } +static inline struct seq_server_site *mdd_seq_site(struct mdd_device *mdd) +{ + return mdd2lu_dev(mdd)->ld_site->ld_seq_site; +} + static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env, - const struct mdd_object *obj) + const struct mdd_object *obj) { - struct md_capainfo *ci = md_capainfo(env); - const struct lu_fid *fid = mdo2fid(obj); - int i; + struct lu_capainfo *lci = lu_capainfo_get(env); + const struct lu_fid *fid = mdo2fid(obj); + int i; - /* NB: in mdt_init0 */ - if (!ci) - return BYPASS_CAPA; - for (i = 0; i < MD_CAPAINFO_MAX; i++) - if (ci->mc_fid[i] && lu_fid_eq(ci->mc_fid[i], fid)) - return ci->mc_capa[i]; - return NULL; + /* NB: in mdt_init0 */ + if (lci == NULL) + return BYPASS_CAPA; + + for (i = 0; i < LU_CAPAINFO_MAX; i++) + if (lu_fid_eq(&lci->lci_fid[i], fid)) + return lci->lci_capa[i]; + return NULL; } static inline void mdd_set_capainfo(const struct lu_env *env, int offset, - const struct mdd_object *obj, - struct lustre_capa *capa) + const struct mdd_object *obj, + struct lustre_capa *capa) { - struct md_capainfo *ci = md_capainfo(env); - const struct lu_fid *fid = mdo2fid(obj); + struct lu_capainfo *lci = lu_capainfo_get(env); + const struct lu_fid *fid = mdo2fid(obj); + + LASSERT(offset >= 0 && offset < LU_CAPAINFO_MAX); + /* NB: in mdt_init0 */ + if (lci == NULL) + return; - LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX); - /* NB: in mdt_init0 */ - if (!ci) - return; - ci->mc_fid[offset] = fid; - ci->mc_capa[offset] = capa; + lci->lci_fid[offset] = *fid; + lci->lci_capa[offset] = capa; } -#define MAX_ATIME_DIFF 60 +static inline const char *mdd_obj_dev_name(const struct mdd_object *obj) +{ + return lu_dev_name(obj->mod_obj.mo_lu.lo_dev); +} -enum { - LPROC_MDD_NR -}; +#define MAX_ATIME_DIFF 60 static inline int mdd_permission_internal(const struct lu_env *env, - struct mdd_object *obj, - struct lu_attr *la, int mask) + struct mdd_object *obj, + const struct lu_attr *la, int mask) { - return __mdd_permission_internal(env, obj, la, mask, -1); + return __mdd_permission_internal(env, obj, la, mask, -1); } static inline int mdd_permission_internal_locked(const struct lu_env *env, - struct mdd_object *obj, - struct lu_attr *la, int mask, - enum mdd_object_role role) + struct mdd_object *obj, + const struct lu_attr *la, + int mask, + enum mdd_object_role role) { - 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; + return __mdd_permission_internal(env, obj, la, mask, role); } /* mdd inline func for calling osd_dt_object ops */ @@ -664,12 +521,27 @@ static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj, return next->do_ops->do_attr_get(env, next, la, capa); } -static inline int mdo_attr_set(const struct lu_env *env, struct mdd_object *obj, - const struct lu_attr *la, struct thandle *handle, +static inline int mdo_declare_attr_set(const struct lu_env *env, + struct mdd_object *obj, + const struct lu_attr *la, + struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(obj); + return dt_declare_attr_set(env, next, la, handle); +} + +static inline int mdo_attr_set(const struct lu_env *env, + struct mdd_object *obj, + const struct lu_attr *la, + struct thandle *handle, struct lustre_capa *capa) { struct dt_object *next = mdd_object_child(obj); - LASSERT(mdd_object_exists(obj)); + if (mdd_object_exists(obj) == 0) { + CERROR("%s: object "DFID" not found: rc = -2\n", + mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj))); + return -ENOENT; + } return next->do_ops->do_attr_set(env, next, la, handle, capa); } @@ -681,23 +553,50 @@ static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj, return next->do_ops->do_xattr_get(env, next, buf, name, capa); } +static inline int mdo_declare_xattr_set(const struct lu_env *env, + struct mdd_object *obj, + const struct lu_buf *buf, + const char *name, + int fl, struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(obj); + return dt_declare_xattr_set(env, next, buf, name, fl, handle); +} + static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj, const struct lu_buf *buf, const char *name, int fl, struct thandle *handle, struct lustre_capa *capa) { struct dt_object *next = mdd_object_child(obj); - LASSERT(mdd_object_exists(obj)); + if (mdd_object_exists(obj) == 0) { + CERROR("%s: object "DFID" not found: rc = -2\n", + mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj))); + return -ENOENT; + } return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle, capa); } +static inline int mdo_declare_xattr_del(const struct lu_env *env, + struct mdd_object *obj, + const char *name, + struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(obj); + return dt_declare_xattr_del(env, next, name, handle); +} + static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj, const char *name, struct thandle *handle, struct lustre_capa *capa) { struct dt_object *next = mdd_object_child(obj); - LASSERT(mdd_object_exists(obj)); + if (mdd_object_exists(obj) == 0) { + CERROR("%s: object "DFID" not found: rc = -2\n", + mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj))); + return -ENOENT; + } return next->do_ops->do_xattr_del(env, next, name, handle, capa); } @@ -706,35 +605,110 @@ int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj, struct lu_buf *buf, struct lustre_capa *capa) { struct dt_object *next = mdd_object_child(obj); - LASSERT(mdd_object_exists(obj)); + if (mdd_object_exists(obj) == 0) { + CERROR("%s: object "DFID" not found: rc = -2\n", + mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj))); + return -ENOENT; + } return next->do_ops->do_xattr_list(env, next, buf, capa); } static inline -int mdo_index_try(const struct lu_env *env, struct mdd_object *obj, - const struct dt_index_features *feat) +int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj, + const struct lu_fid *fid, const char *name, + struct thandle *handle) { struct dt_object *next = mdd_object_child(obj); - return next->do_ops->do_index_try(env, next, feat); + int rc = 0; + + /* + * if the object doesn't exist yet, then it's supposed to be created + * and declaration of the creation should be enough to insert ./.. + */ + /* FIXME: remote object should not be awared by MDD layer, but local + * creation does not declare insert ./.. (comments above), which + * is required by remote directory creation. + * This remote check should be removed when mdd_object_exists check is + * removed. + */ + if (mdd_object_exists(obj) || mdd_object_remote(obj)) { + rc = -ENOTDIR; + if (dt_try_as_dir(env, next)) + rc = dt_declare_insert(env, next, + (struct dt_rec *)fid, + (const struct dt_key *)name, + handle); + } + + return rc; } -static inline void mdo_ref_add(const struct lu_env *env, struct mdd_object *obj, - struct thandle *handle) +static inline +int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj, + const char *name, struct thandle *handle) { struct dt_object *next = mdd_object_child(obj); - LASSERT(mdd_object_exists(obj)); + + if (!dt_try_as_dir(env, next)) + return -ENOTDIR; + + return dt_declare_delete(env, next, (const struct dt_key *)name, + handle); +} + +static inline int mdo_declare_ref_add(const struct lu_env *env, + struct mdd_object *obj, + struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(obj); + return dt_declare_ref_add(env, next, handle); +} + +static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj, + struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(obj); + if (mdd_object_exists(obj) == 0) { + CERROR("%s: object "DFID" not found: rc = -2\n", + mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj))); + return -ENOENT; + } return next->do_ops->do_ref_add(env, next, handle); } -static inline void mdo_ref_del(const struct lu_env *env, struct mdd_object *obj, - struct thandle *handle) +static inline int mdo_declare_ref_del(const struct lu_env *env, + struct mdd_object *obj, + struct thandle *handle) { struct dt_object *next = mdd_object_child(obj); - LASSERT(mdd_object_exists(obj)); + return dt_declare_ref_del(env, next, handle); +} + +static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj, + struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(obj); + if (mdd_object_exists(obj) == 0) { + CERROR("%s: object "DFID" not found: rc = -2\n", + mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj))); + return -ENOENT; + } return next->do_ops->do_ref_del(env, next, handle); } static inline +int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o, + struct lu_attr *attr, + struct dt_allocation_hint *hint, + struct dt_object_format *dof, + struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(o); + return next->do_ops->do_declare_create(env, next, attr, hint, + dof, handle); +} + +static inline int mdo_create_obj(const struct lu_env *env, struct mdd_object *o, struct lu_attr *attr, struct dt_allocation_hint *hint, @@ -742,7 +716,27 @@ int mdo_create_obj(const struct lu_env *env, struct mdd_object *o, struct thandle *handle) { struct dt_object *next = mdd_object_child(o); - return next->do_ops->do_create(env, next, attr, hint, dof, handle); + int rc; + + rc = next->do_ops->do_create(env, next, attr, hint, dof, handle); + + return rc; +} + +static inline +int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o, + struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(o); + return dt_declare_destroy(env, next, handle); +} + +static inline +int mdo_destroy(const struct lu_env *env, struct mdd_object *o, + struct thandle *handle) +{ + struct dt_object *next = mdd_object_child(o); + return dt_destroy(env, next, handle); } static inline struct obd_capa *mdo_capa_get(const struct lu_env *env, @@ -751,7 +745,11 @@ static inline struct obd_capa *mdo_capa_get(const struct lu_env *env, __u64 opc) { struct dt_object *next = mdd_object_child(obj); - LASSERT(mdd_object_exists(obj)); + if (mdd_object_exists(obj) == 0) { + CERROR("%s: object "DFID" not found: rc = -2\n", + mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj))); + return ERR_PTR(-ENOENT); + } return next->do_ops->do_capa_get(env, next, old, opc); }