X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdd%2Fmdd_internal.h;h=97f6cb64e37dc851763d8048849de322dcd64190;hp=d72d48c66e8e66c3fff72d06fcb5f0ec004bf868;hb=79d06b6fac3d18f2e5755a940e8afa42e70f3ba2;hpb=6b6ae6fe7cc74816c42878630d73400a072598f3 diff --git a/lustre/mdd/mdd_internal.h b/lustre/mdd/mdd_internal.h index d72d48c..97f6cb6 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, 2012, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -41,50 +41,79 @@ #ifndef _MDD_INTERNAL_H #define _MDD_INTERNAL_H -#include - #include #include -#include #include #include -#include -#include -#include - -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 +#include +#include +#include +#include +#include +#include + +#include "mdd_lfsck.h" + +/* PDO lock is unnecessary for current MDT stack because operations + * are already protected by ldlm lock */ +#define MDD_DISABLE_PDO_LOCK 1 + +/* 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 { + 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; }; -struct mdd_txn_op_descr { - enum mdd_txn_op mod_op; - unsigned int mod_credits; +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; }; +extern const char lfsck_bookmark_name[]; +extern const char lfsck_namespace_name[]; + 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 dt_device *mdd_bottom; struct lu_fid mdd_root_fid; + 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 */ + struct dt_object *mdd_capa; 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; + struct md_lfsck mdd_lfsck; + unsigned int mdd_sync_permission; + int mdd_connects; }; enum mod_flags { @@ -93,60 +122,74 @@ enum mod_flags { 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 }; struct mdd_object { - struct md_object mod_obj; + struct md_object mod_obj; /* open count */ __u32 mod_count; __u32 mod_valid; + __u64 mod_cltime; unsigned long mod_flags; +#ifndef MDD_DISABLE_PDO_LOCK struct dynlock mod_pdlock; +#endif #ifdef CONFIG_LOCKDEP - struct lockdep_map mod_dep_map_pdlock; + /* "dep_map" name is assumed by lockdep.h macros. */ + struct lockdep_map dep_map; #endif }; -struct orph_key { - /* fid of the object*/ - struct lu_fid ok_fid; - /* type of operation: unlink, truncate */ - __u32 ok_op; -} __attribute__((packed)); - 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 lu_attr mti_pattr; + struct lu_attr mti_cattr; + struct md_attr mti_ma; struct obd_info mti_oi; - struct orph_key mti_orph_key; + /* 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 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 lu_name mti_name2; 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; struct llog_cookie *mti_max_cookie; int mti_max_cookie_size; + struct dt_object_format mti_dof; + struct obd_quotactl mti_oqctl; +}; + +/** + * The data that link search is done on. + */ +struct mdd_link_data { + /** + * Buffer to keep link EA body. + */ + struct lu_buf *ml_buf; + /** + * The matched header, entry and its lenght in the EA + */ + struct link_ea_header *ml_leh; + struct link_ea_entry *ml_lee; + int ml_reclen; }; +extern const char orph_index_name[]; + +extern const struct dt_index_features orph_index_features; + +struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size); struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env, struct mdd_device *mdd); @@ -157,6 +200,9 @@ 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); @@ -167,17 +213,32 @@ int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj, 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); + const struct md_op_spec *spec, struct md_attr *ma); +int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm); +int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *, + struct thandle *); 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_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj, + const struct md_op_spec *spec, struct md_attr *ma); 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_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, @@ -188,16 +249,16 @@ int mdd_attr_check_set_internal(const struct lu_env *env, struct lu_attr *attr, struct thandle *handle, int needacl); +int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj, + struct md_attr *ma, struct thandle *handle); int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj, - struct md_attr *ma); + struct md_attr *ma, struct thandle *handle); 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); 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); + struct mdd_object *c, struct lu_attr *attr, + 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, @@ -205,6 +266,7 @@ 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); @@ -212,43 +274,67 @@ 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); -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_lock(const struct lu_env *env, struct mdd_object *obj, + const char *name, enum mdd_object_role role); +void *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 *dlh); void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj, - struct dynlock_handle *dlh); + void *dlh); /* mdd_dir.c */ -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_parent_fid(const struct lu_env *env, struct mdd_object *obj, + struct lu_fid *fid); +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, struct mdd_object *cobj, int check_perm, int check_nlink); int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj, - const struct md_attr *ma); + const struct lu_attr *attr); 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); + struct mdd_object *cobj, struct lu_attr *cattr, + struct lu_attr *src_attr, 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); + struct mdd_object *cobj, 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, - struct mdd_object *child, struct md_attr *ma, - struct thandle *handle); + const struct lu_name *lname, struct mdd_object *child, + struct lu_attr *attr, 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); +int mdd_links_read(const struct lu_env *env, struct mdd_object *mdd_obj, + struct mdd_link_data *ldata); +int mdd_links_find(const struct lu_env *env, struct mdd_object *mdd_obj, + struct mdd_link_data *ldata, const struct lu_name *lname, + const struct lu_fid *pfid); +int mdd_links_new(const struct lu_env *env, struct mdd_link_data *ldata); +int mdd_links_add_buf(const struct lu_env *env, struct mdd_link_data *ldata, + const struct lu_name *lname, const struct lu_fid *pfid); +void mdd_links_del_buf(const struct lu_env *env, struct mdd_link_data *ldata, + const struct lu_name *lname); +int mdd_declare_links_add(const struct lu_env *env, + struct mdd_object *mdd_obj, + struct thandle *handle); +int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj, + struct mdd_link_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_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj, + struct md_attr *ma, struct thandle *handle); int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd, struct mdd_object *mdd_cobj, struct md_attr *ma); @@ -264,8 +350,14 @@ 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_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd, + struct mdd_object *obj, struct lu_attr *la, + struct md_attr *ma, int log_unlink); + struct mdd_thread_info *mdd_env_info(const struct lu_env *env); +const struct lu_name *mdd_name_get_const(const struct lu_env *env, + const void *area, ssize_t len); 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); @@ -277,26 +369,65 @@ 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 *, + cfs_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 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_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd, + int reclen, struct thandle *handle); +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_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); + /* 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_lov_destroy(const struct lu_env *env, struct mdd_device *mdd, + struct mdd_object *obj, struct lu_attr *la); + +void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent, + struct mdd_object *child, struct lu_attr *attr); + +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) @@ -304,53 +435,40 @@ 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 *); - +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); void 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_start_cb(const struct lu_env *env, struct thandle *, + void *cookie); + +/* mdd_lfsck.c */ +int mdd_lfsck_set_speed(const struct lu_env *env, struct md_lfsck *lfsck, + __u32 limit); +int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck, + struct lfsck_start *start); +int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck, + bool pause); +int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd); +void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd); +int mdd_lfsck_dump(const struct lu_env *env, struct md_lfsck *lfsck, + __u16 type, char *buf, int len); -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); -/* 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); - -/* 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_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_declare_acl_init(const struct lu_env *env, struct mdd_object *obj, + int is_dir, struct thandle *handle); +int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj, + const struct lu_buf *buf, int fl); int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj, struct lu_buf *buf, __u32 *mode, struct thandle *handle); int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj, @@ -363,24 +481,24 @@ 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) @@ -412,7 +530,7 @@ 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) @@ -425,23 +543,14 @@ static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj) return lu_object_fid(&obj->mod_obj.mo_lu); } -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) +static inline int mdd_object_obf(const struct mdd_object *obj) { - struct obd_device *obd = mdd2obd_dev(mdd); - return obd->u.mds.mds_max_mdsize; + return lu_fid_eq(mdo2fid(obj), &LU_OBF_FID); } -static inline int mdd_lov_cookiesize(const struct lu_env *env, - struct mdd_device *mdd) +static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj) { - struct obd_device *obd = mdd2obd_dev(mdd); - return obd->u.mds.mds_max_cookiesize; + return lu_object_attr(&obj->mod_obj.mo_lu); } static inline int mdd_is_immutable(struct mdd_object *obj) @@ -459,14 +568,14 @@ 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) @@ -474,6 +583,11 @@ 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) { @@ -485,7 +599,7 @@ static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env, 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)) + if (lu_fid_eq(&ci->mc_fid[i], fid)) return ci->mc_capa[i]; return NULL; } @@ -497,14 +611,19 @@ static inline void mdd_set_capainfo(const struct lu_env *env, int offset, struct md_capainfo *ci = md_capainfo(env); const struct lu_fid *fid = mdo2fid(obj); - LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX); + LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX); /* NB: in mdt_init0 */ if (!ci) return; - ci->mc_fid[offset] = fid; + ci->mc_fid[offset] = *fid; ci->mc_capa[offset] = capa; } +static inline const char *mdd_obj_dev_name(const struct mdd_object *obj) +{ + return lu_dev_name(obj->mod_obj.mo_lu.lo_dev); +} + #define MAX_ATIME_DIFF 60 enum { @@ -526,6 +645,15 @@ 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) @@ -534,12 +662,27 @@ 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); } @@ -551,36 +694,67 @@ 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, + 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); } -static inline +static inline 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 +static inline int mdo_index_try(const struct lu_env *env, struct mdd_object *obj, const struct dt_index_features *feat) { @@ -588,39 +762,156 @@ int mdo_index_try(const struct lu_env *env, struct mdd_object *obj, return next->do_ops->do_index_try(env, next, feat); } -static inline void mdo_ref_add(const struct lu_env *env, struct mdd_object *obj, - struct thandle *handle) +static inline +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); - LASSERT(mdd_object_exists(obj)); + 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 +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); + + 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); + 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); - 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_ref_del(env, next, handle); } -static inline -int mdo_create_obj(const struct lu_env *env, struct mdd_object *o, +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, + struct dt_object_format *dof, struct thandle *handle) { struct dt_object *next = mdd_object_child(o); - return next->do_ops->do_create(env, next, attr, hint, handle); + struct lu_ucred *uc = lu_ucred(env); + __u32 saved; + int rc; + + /* + * LU-974 enforce client umask in creation. + * TODO: CMD needs to handle this for remote object. + */ + if (likely(uc != NULL)) + saved = xchg(¤t->fs->umask, uc->uc_umask & S_IRWXUGO); + + rc = next->do_ops->do_create(env, next, attr, hint, dof, handle); + + /* restore previous umask value */ + if (likely(uc != NULL)) + current->fs->umask = saved; + + 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, - struct mdd_object *obj, + struct mdd_object *obj, struct lustre_capa *old, __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); }