X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Finclude%2Fmd_object.h;h=99998e2c71ffe49481e59e2d77e997e0029e7af6;hp=0f72f8e6895401c8cb1d54e007a58a1aee01bf09;hb=a0b959c53d10bf3f0fd6b22de46397d0c7e5f667;hpb=65d63035c60086a89d932c6f9f1691cf93728d74 diff --git a/lustre/include/md_object.h b/lustre/include/md_object.h index 0f72f8e..99998e2 100644 --- a/lustre/include/md_object.h +++ b/lustre/include/md_object.h @@ -41,6 +41,10 @@ #ifndef _LUSTRE_MD_OBJECT_H #define _LUSTRE_MD_OBJECT_H +#ifndef HAVE_SERVER_SUPPORT +# error "client code should not depend on md_object.h" +#endif /* !HAVE_SERVER_SUPPORT */ + /** \defgroup md md * Sub-class of lu_object with methods common for "meta-data" objects in MDT * stack. @@ -63,52 +67,19 @@ struct md_device_operations; struct md_object; struct obd_export; -enum { - UCRED_INVALID = -1, - UCRED_INIT = 0, - UCRED_OLD = 1, - UCRED_NEW = 2 -}; - -enum { - MD_CAPAINFO_MAX = 5 -}; - -/** there are at most 5 fids in one operation, see rename, NOTE the last one - * is a temporary one used for is_subdir() */ -struct md_capainfo { - __u32 mc_auth; - __u32 mc_padding; - struct lu_fid mc_fid[MD_CAPAINFO_MAX]; - struct lustre_capa *mc_capa[MD_CAPAINFO_MAX]; -}; - -struct md_quota { - struct obd_export *mq_exp; -}; - -/** - * Implemented in mdd/mdd_handler.c. - * - * XXX should be moved into separate .h/.c together with all md security - * related definitions. - */ -struct md_capainfo *md_capainfo(const struct lu_env *env); -struct md_quota *md_quota(const struct lu_env *env); - /** metadata attributes */ enum ma_valid { - MA_INODE = (1 << 0), - MA_LOV = (1 << 1), - MA_COOKIE = (1 << 2), - MA_FLAGS = (1 << 3), - MA_LMV = (1 << 4), - MA_ACL_DEF = (1 << 5), - MA_LOV_DEF = (1 << 6), - MA_LAY_GEN = (1 << 7), - MA_HSM = (1 << 8), - MA_SOM = (1 << 9), - MA_PFID = (1 << 10) + MA_INODE = (1 << 0), + MA_LOV = (1 << 1), + MA_COOKIE = (1 << 2), + MA_FLAGS = (1 << 3), + MA_LMV = (1 << 4), + MA_ACL_DEF = (1 << 5), + MA_LOV_DEF = (1 << 6), + MA_HSM = (1 << 7), + MA_SOM = (1 << 8), + MA_PFID = (1 << 9), + MA_LMV_DEF = (1 << 10) }; typedef enum { @@ -163,16 +134,13 @@ struct md_attr { struct lu_fid ma_pfid; struct md_hsm ma_hsm; struct lov_mds_md *ma_lmm; - struct lmv_stripe_md *ma_lmv; + union lmv_mds_md *ma_lmv; void *ma_acl; - struct llog_cookie *ma_cookie; struct lustre_capa *ma_capa; struct md_som_data *ma_som; int ma_lmm_size; int ma_lmv_size; int ma_acl_size; - int ma_cookie_size; - __u16 ma_layout_gen; }; /** Additional parameters for create */ @@ -180,12 +148,8 @@ struct md_op_spec { union { /** symlink target */ const char *sp_symname; - /** parent FID for cross-ref mkdir */ - const struct lu_fid *sp_pfid; /** eadata for regular files */ struct md_spec_reg { - /** lov objs exist already */ - const struct lu_fid *fid; const void *eadata; int eadatalen; } sp_ea; @@ -197,7 +161,8 @@ struct md_op_spec { /** don't create lov objects or llog cookie - this replay */ unsigned int no_create:1, sp_cr_lookup:1, /* do lookup sanity check or not. */ - sp_rm_entry:1; /* only remove name entry */ + sp_rm_entry:1, /* only remove name entry */ + sp_permitted:1; /* do not check permission */ /** Current lock mode for parent dir where create is performing. */ mdl_mode_t sp_cr_mode; @@ -206,6 +171,7 @@ struct md_op_spec { const struct dt_index_features *sp_feat; }; +union ldlm_policy_data; /** * Operations implemented for each md object (both directory and leaf). */ @@ -247,19 +213,6 @@ struct md_object_operations { int (*moo_changelog)(const struct lu_env *env, enum changelog_rec_type type, int flags, struct md_object *obj); - /** part of cross-ref operation */ - int (*moo_object_create)(const struct lu_env *env, - struct md_object *obj, - const struct md_op_spec *spec, - struct md_attr *ma); - - int (*moo_ref_add)(const struct lu_env *env, - struct md_object *obj, - const struct md_attr *ma); - - int (*moo_ref_del)(const struct lu_env *env, - struct md_object *obj, - struct md_attr *ma); int (*moo_open)(const struct lu_env *env, struct md_object *obj, int flag); @@ -272,16 +225,14 @@ struct md_object_operations { int (*moo_object_sync)(const struct lu_env *, struct md_object *); - int (*moo_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 (*moo_file_unlock)(const struct lu_env *env, struct md_object *obj, - struct lov_mds_md *lmm, - struct lustre_handle *lockh); int (*moo_object_lock)(const struct lu_env *env, struct md_object *obj, struct lustre_handle *lh, struct ldlm_enqueue_info *einfo, - void *policy); + union ldlm_policy_data *policy); + int (*moo_object_unlock)(const struct lu_env *env, + struct md_object *obj, + struct ldlm_enqueue_info *einfo, + union ldlm_policy_data *policy); }; /** @@ -323,28 +274,9 @@ struct md_dir_operations { struct md_object *cobj, const struct lu_name *lname, struct md_attr *ma, int no_name); - /** This method is used to compare a requested layout to an existing - * layout (struct lov_mds_md_v1/3 vs struct lov_mds_md_v1/3) */ - int (*mdo_lum_lmm_cmp)(const struct lu_env *env, - struct md_object *cobj, - const struct md_op_spec *spec, - struct md_attr *ma); - - /** partial ops for cross-ref case */ - int (*mdo_name_insert)(const struct lu_env *env, - struct md_object *obj, - const struct lu_name *lname, - const struct lu_fid *fid, - const struct md_attr *ma); - - int (*mdo_name_remove)(const struct lu_env *env, - struct md_object *obj, - const struct lu_name *lname, - const struct md_attr *ma); - - int (*mdo_rename_tgt)(const struct lu_env *env, struct md_object *pobj, - struct md_object *tobj, const struct lu_fid *fid, - const struct lu_name *lname, struct md_attr *ma); + int (*mdo_migrate)(const struct lu_env *env, struct md_object *pobj, + struct md_object *sobj, const struct lu_name *lname, + struct md_object *tobj, struct md_attr *ma); }; struct md_device_operations { @@ -352,8 +284,8 @@ struct md_device_operations { int (*mdo_root_get)(const struct lu_env *env, struct md_device *m, struct lu_fid *f); - int (*mdo_maxsize_get)(const struct lu_env *env, struct md_device *m, - int *md_size, int *cookie_size); + int (*mdo_maxeasize_get)(const struct lu_env *env, struct md_device *m, + int *easize); int (*mdo_statfs)(const struct lu_env *env, struct md_device *m, struct obd_statfs *sfs); @@ -373,107 +305,24 @@ struct md_device_operations { unsigned int cmd, int len, void *data); }; -enum md_upcall_event { - /** Sync the md layer*/ - MD_LOV_SYNC = (1 << 0), - /** Just for split, no need trans, for replay */ - MD_NO_TRANS = (1 << 1), - MD_LOV_CONFIG = (1 << 2), - /** Trigger quota recovery */ - MD_LOV_QUOTA = (1 << 3) -}; - -struct md_upcall { - /** this lock protects upcall using against its removal - * read lock is for usage the upcall, write - for init/fini */ - struct rw_semaphore mu_upcall_sem; - /** device to call, upper layer normally */ - struct md_device *mu_upcall_dev; - /** upcall function */ - int (*mu_upcall)(const struct lu_env *env, struct md_device *md, - enum md_upcall_event ev, void *data); -}; - struct md_device { struct lu_device md_lu_dev; const struct md_device_operations *md_ops; - struct md_upcall md_upcall; }; -static inline void md_upcall_init(struct md_device *m, void *upcl) -{ - init_rwsem(&m->md_upcall.mu_upcall_sem); - m->md_upcall.mu_upcall_dev = NULL; - m->md_upcall.mu_upcall = upcl; -} - -static inline void md_upcall_dev_set(struct md_device *m, struct md_device *up) -{ - down_write(&m->md_upcall.mu_upcall_sem); - m->md_upcall.mu_upcall_dev = up; - up_write(&m->md_upcall.mu_upcall_sem); -} - -static inline void md_upcall_fini(struct md_device *m) -{ - down_write(&m->md_upcall.mu_upcall_sem); - m->md_upcall.mu_upcall_dev = NULL; - m->md_upcall.mu_upcall = NULL; - up_write(&m->md_upcall.mu_upcall_sem); -} - -static inline int md_do_upcall(const struct lu_env *env, struct md_device *m, - enum md_upcall_event ev, void *data) -{ - int rc = 0; - down_read(&m->md_upcall.mu_upcall_sem); - if (m->md_upcall.mu_upcall_dev != NULL && - m->md_upcall.mu_upcall_dev->md_upcall.mu_upcall != NULL) { - rc = m->md_upcall.mu_upcall_dev->md_upcall.mu_upcall(env, - m->md_upcall.mu_upcall_dev, - ev, data); - } - up_read(&m->md_upcall.mu_upcall_sem); - return rc; -} - struct md_object { struct lu_object mo_lu; const struct md_object_operations *mo_ops; const struct md_dir_operations *mo_dir_ops; }; -/** - * seq-server site. - */ -struct seq_server_site { - struct lu_site *ss_lu; - /** - * mds number of this site. - */ - mdsno_t ss_node_id; - /** - * Fid location database - */ - struct lu_server_fld *ss_server_fld; - struct lu_client_fld *ss_client_fld; - - /** - * Server Seq Manager - */ - struct lu_server_seq *ss_server_seq; - - /** - * Controller Seq Manager - */ - struct lu_server_seq *ss_control_seq; - struct obd_export *ss_control_exp; - - /** - * Client Seq Manager - */ - struct lu_client_seq *ss_client_seq; -}; +/* Mark the object to be dead, and can not be accessed anymore. + * XXX, right now, it will only be used for striped directory to + * mark the slave stripes dead, when deleting master object. It will be + * stored in slave LMV EA (see lod_mark_dead_object), which is only + * temporary, and will be removed later when we have proper way to mark + * the dead object. */ +#define LUSTRE_SLAVE_DEAD_FL 0x80000000 static inline struct md_device *lu2md_dev(const struct lu_device *d) { @@ -492,17 +341,6 @@ static inline struct md_object *lu2md(const struct lu_object *o) return container_of0(o, struct md_object, mo_lu); } -static inline struct md_object *md_object_next(const struct md_object *obj) -{ - return (obj ? lu2md(lu_object_next(&obj->mo_lu)) : NULL); -} - -static inline struct md_device *md_obj2dev(const struct md_object *o) -{ - LASSERT(o == NULL || IS_ERR(o) || lu_device_is_md(o->mo_lu.lo_dev)); - return container_of0(o->mo_lu.lo_dev, struct md_device, md_lu_dev); -} - static inline int md_device_init(struct md_device *md, struct lu_device_type *t) { return lu_device_init(&md->md_lu_dev, t); @@ -635,31 +473,6 @@ static inline int mo_readpage(const struct lu_env *env, return m->mo_ops->moo_readpage(env, m, rdpg); } -static inline int mo_object_create(const struct lu_env *env, - struct md_object *m, - const struct md_op_spec *spc, - struct md_attr *at) -{ - LASSERT(m->mo_ops->moo_object_create); - return m->mo_ops->moo_object_create(env, m, spc, at); -} - -static inline int mo_ref_add(const struct lu_env *env, - struct md_object *m, - const struct md_attr *ma) -{ - LASSERT(m->mo_ops->moo_ref_add); - return m->mo_ops->moo_ref_add(env, m, ma); -} - -static inline int mo_ref_del(const struct lu_env *env, - struct md_object *m, - struct md_attr *ma) -{ - LASSERT(m->mo_ops->moo_ref_del); - return m->mo_ops->moo_ref_del(env, m, ma); -} - static inline int mo_capa_get(const struct lu_env *env, struct md_object *m, struct lustre_capa *c, @@ -675,33 +488,25 @@ static inline int mo_object_sync(const struct lu_env *env, struct md_object *m) return m->mo_ops->moo_object_sync(env, m); } -static inline int mo_file_lock(const struct lu_env *env, struct md_object *m, - struct lov_mds_md *lmm, - struct ldlm_extent *extent, - struct lustre_handle *lockh) -{ - LASSERT(m->mo_ops->moo_file_lock); - return m->mo_ops->moo_file_lock(env, m, lmm, extent, lockh); -} - -static inline int mo_file_unlock(const struct lu_env *env, struct md_object *m, - struct lov_mds_md *lmm, - struct lustre_handle *lockh) -{ - LASSERT(m->mo_ops->moo_file_unlock); - return m->mo_ops->moo_file_unlock(env, m, lmm, lockh); -} - static inline int mo_object_lock(const struct lu_env *env, struct md_object *m, struct lustre_handle *lh, struct ldlm_enqueue_info *einfo, - void *policy) + union ldlm_policy_data *policy) { LASSERT(m->mo_ops->moo_object_lock); return m->mo_ops->moo_object_lock(env, m, lh, einfo, policy); } +static inline int mo_object_unlock(const struct lu_env *env, + struct md_object *m, + struct ldlm_enqueue_info *einfo, + union ldlm_policy_data *policy) +{ + LASSERT(m->mo_ops->moo_object_unlock); + return m->mo_ops->moo_object_unlock(env, m, einfo, policy); +} + static inline int mdo_lookup(const struct lu_env *env, struct md_object *p, const struct lu_name *lname, @@ -756,6 +561,17 @@ static inline int mdo_rename(const struct lu_env *env, ma); } +static inline int mdo_migrate(const struct lu_env *env, + struct md_object *pobj, + struct md_object *sobj, + const struct lu_name *lname, + struct md_object *tobj, + struct md_attr *ma) +{ + LASSERT(pobj->mo_dir_ops->mdo_migrate); + return pobj->mo_dir_ops->mdo_migrate(env, pobj, sobj, lname, tobj, ma); +} + static inline int mdo_is_subdir(const struct lu_env *env, struct md_object *mo, const struct lu_fid *fid, @@ -785,50 +601,6 @@ static inline int mdo_unlink(const struct lu_env *env, return p->mo_dir_ops->mdo_unlink(env, p, c, lname, ma, no_name); } -static inline int mdo_lum_lmm_cmp(const struct lu_env *env, - struct md_object *c, - const struct md_op_spec *spec, - struct md_attr *ma) -{ - LASSERT(c->mo_dir_ops->mdo_lum_lmm_cmp); - return c->mo_dir_ops->mdo_lum_lmm_cmp(env, c, spec, ma); -} - -static inline int mdo_name_insert(const struct lu_env *env, - struct md_object *p, - const struct lu_name *lname, - const struct lu_fid *f, - const struct md_attr *ma) -{ - LASSERT(p->mo_dir_ops->mdo_name_insert); - return p->mo_dir_ops->mdo_name_insert(env, p, lname, f, ma); -} - -static inline int mdo_name_remove(const struct lu_env *env, - struct md_object *p, - const struct lu_name *lname, - const struct md_attr *ma) -{ - LASSERT(p->mo_dir_ops->mdo_name_remove); - return p->mo_dir_ops->mdo_name_remove(env, p, lname, ma); -} - -static inline int mdo_rename_tgt(const struct lu_env *env, - struct md_object *p, - struct md_object *t, - const struct lu_fid *lf, - const struct lu_name *lname, - struct md_attr *ma) -{ - if (t) { - LASSERT(t->mo_dir_ops->mdo_rename_tgt); - return t->mo_dir_ops->mdo_rename_tgt(env, p, t, lf, lname, ma); - } else { - LASSERT(p->mo_dir_ops->mdo_rename_tgt); - return p->mo_dir_ops->mdo_rename_tgt(env, p, t, lf, lname, ma); - } -} - /** * Used in MDD/OUT layer for object lock rule **/ @@ -841,38 +613,34 @@ enum mdd_object_role { }; struct dt_device; -/** - * Structure to hold object information. This is used to create object - * \pre llod_dir exist - */ -struct lu_local_obj_desc { - const char *llod_dir; - const char *llod_name; - __u32 llod_oid; - int llod_is_index; - const struct dt_index_features *llod_feat; - cfs_list_t llod_linkage; -}; int lustre_buf2som(void *buf, int rc, struct md_som_data *msd); int lustre_buf2hsm(void *buf, int rc, struct md_hsm *mh); -void lustre_hsm2buf(void *buf, struct md_hsm *mh); +void lustre_hsm2buf(void *buf, const struct md_hsm *mh); + +enum { + UCRED_INVALID = -1, + UCRED_INIT = 0, + UCRED_OLD = 1, + UCRED_NEW = 2, +}; struct lu_ucred { - __u32 uc_valid; - __u32 uc_o_uid; - __u32 uc_o_gid; - __u32 uc_o_fsuid; - __u32 uc_o_fsgid; - __u32 uc_uid; - __u32 uc_gid; - __u32 uc_fsuid; - __u32 uc_fsgid; - __u32 uc_suppgids[2]; - cfs_cap_t uc_cap; - __u32 uc_umask; - cfs_group_info_t *uc_ginfo; - struct md_identity *uc_identity; + __u32 uc_valid; + __u32 uc_o_uid; + __u32 uc_o_gid; + __u32 uc_o_fsuid; + __u32 uc_o_fsgid; + __u32 uc_uid; + __u32 uc_gid; + __u32 uc_fsuid; + __u32 uc_fsgid; + __u32 uc_suppgids[2]; + cfs_cap_t uc_cap; + __u32 uc_umask; + struct group_info *uc_ginfo; + struct md_identity *uc_identity; + char uc_jobid[LUSTRE_JOBID_SIZE]; }; struct lu_ucred *lu_ucred(const struct lu_env *env);