LU-5092 nodemap: save nodemaps to targets for caching

[fs/lustre-release.git] / lustre / include / lustre_nodemap.h

diff --git a/lustre/include/lustre_nodemap.h b/lustre/include/lustre_nodemap.h
index b49774a..44527a0 100644 (file)
--- a/lustre/include/lustre_nodemap.h
+++ b/lustre/include/lustre_nodemap.h
@@ -64,6 +64,7 @@ struct lu_nodemap {
        char                     nm_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
        /* flags to govern nodemap behavior */
        bool                     nmf_trust_client_ids:1,
        char                     nm_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
        /* flags to govern nodemap behavior */
        bool                     nmf_trust_client_ids:1,

+                                nmf_deny_unknown:1,

                                 nmf_allow_root_access:1;
        /* unique ID set by MGS */
        unsigned int             nm_id;
                                 nmf_allow_root_access:1;
        /* unique ID set by MGS */
        unsigned int             nm_id;


@@ -91,6 +92,8 @@ struct lu_nodemap {
        /* access by nodemap name */
        struct hlist_node        nm_hash;
        struct nodemap_pde      *nm_pde_data;
        /* access by nodemap name */
        struct hlist_node        nm_hash;
        struct nodemap_pde      *nm_pde_data;

+       /* fileset the nodes of this nodemap are restricted to */
+       char                     nm_fileset[PATH_MAX+1];

 
        /* used when loading/unloading nodemaps */
        struct list_head         nm_list;
 
        /* used when loading/unloading nodemaps */
        struct list_head         nm_list;


@@ -101,8 +104,9 @@ struct lu_nodemap {
  * not be needed.
  */
 struct nm_config_file {
  * not be needed.
  */
 struct nm_config_file {

-       struct dt_object        *ncf_obj;
-       struct list_head        ncf_list;
+       struct local_oid_storage        *ncf_los;
+       struct dt_object                *ncf_obj;
+       struct list_head                 ncf_list;

 };
 
 void nodemap_activate(const bool value);
 };
 
 void nodemap_activate(const bool value);


@@ -116,6 +120,7 @@ int nodemap_add_range(const char *name, const lnet_nid_t nid[2]);
 int nodemap_del_range(const char *name, const lnet_nid_t nid[2]);
 int nodemap_set_allow_root(const char *name, bool allow_root);
 int nodemap_set_trust_client_ids(const char *name, bool trust_client_ids);
 int nodemap_del_range(const char *name, const lnet_nid_t nid[2]);
 int nodemap_set_allow_root(const char *name, bool allow_root);
 int nodemap_set_trust_client_ids(const char *name, bool trust_client_ids);

+int nodemap_set_deny_unknown(const char *name, bool deny_unknown);

 int nodemap_set_squash_uid(const char *name, uid_t uid);
 int nodemap_set_squash_gid(const char *name, gid_t gid);
 bool nodemap_can_setquota(const struct lu_nodemap *nodemap);
 int nodemap_set_squash_uid(const char *name, uid_t uid);
 int nodemap_set_squash_gid(const char *name, gid_t gid);
 bool nodemap_can_setquota(const struct lu_nodemap *nodemap);


@@ -123,18 +128,32 @@ int nodemap_add_idmap(const char *name, enum nodemap_id_type id_type,
                      const __u32 map[2]);
 int nodemap_del_idmap(const char *name, enum nodemap_id_type id_type,
                      const __u32 map[2]);
                      const __u32 map[2]);
 int nodemap_del_idmap(const char *name, enum nodemap_id_type id_type,
                      const __u32 map[2]);

+int nodemap_set_fileset(const char *name, const char *fileset);
+char *nodemap_get_fileset(const struct lu_nodemap *nodemap);

 __u32 nodemap_map_id(struct lu_nodemap *nodemap,
                     enum nodemap_id_type id_type,
                     enum nodemap_tree_type tree_type, __u32 id);
 ssize_t nodemap_map_acl(struct lu_nodemap *nodemap, void *buf, size_t size,
                        enum nodemap_tree_type tree_type);
 __u32 nodemap_map_id(struct lu_nodemap *nodemap,
                     enum nodemap_id_type id_type,
                     enum nodemap_tree_type tree_type, __u32 id);
 ssize_t nodemap_map_acl(struct lu_nodemap *nodemap, void *buf, size_t size,
                        enum nodemap_tree_type tree_type);

+#ifdef HAVE_SERVER_SUPPORT

 void nodemap_test_nid(lnet_nid_t nid, char *name_buf, size_t name_len);
 void nodemap_test_nid(lnet_nid_t nid, char *name_buf, size_t name_len);

-__u32 nodemap_test_id(lnet_nid_t nid, enum nodemap_id_type idtype,
-                     __u32 client_id);
+#else
+#define nodemap_test_nid(nid, name_buf, name_len) do {} while(0)
+#endif
+int nodemap_test_id(lnet_nid_t nid, enum nodemap_id_type idtype,
+                   __u32 client_id, __u32 *fs_id);
+
+enum nm_config_file_type {
+       NCFT_MGS,
+       NCFT_TGT,
+};

 struct nm_config_file *nm_config_file_register(const struct lu_env *env,
 struct nm_config_file *nm_config_file_register(const struct lu_env *env,

-                                              struct dt_object *obj);
+                                              struct dt_object *obj,
+                                              struct local_oid_storage *los,
+                                              enum nm_config_file_type ncf_type);

 void nm_config_file_deregister(const struct lu_env *env,
 void nm_config_file_deregister(const struct lu_env *env,

-                              struct nm_config_file *ncf);
+                              struct nm_config_file *ncf,
+                              enum nm_config_file_type ncf_type);

 struct lu_nodemap *nodemap_get_from_exp(struct obd_export *exp);
 void nodemap_putref(struct lu_nodemap *nodemap);
 
 struct lu_nodemap *nodemap_get_from_exp(struct obd_export *exp);
 void nodemap_putref(struct lu_nodemap *nodemap);
 


@@ -169,10 +188,15 @@ struct nodemap_config {
 
 struct nodemap_config *nodemap_config_alloc(void);
 void nodemap_config_dealloc(struct nodemap_config *config);
 
 struct nodemap_config *nodemap_config_alloc(void);
 void nodemap_config_dealloc(struct nodemap_config *config);

-void nodemap_config_set_active(struct nodemap_config *config);
+void nodemap_config_set_active_mgc(struct nodemap_config *config);

 
 int nodemap_process_idx_pages(struct nodemap_config *config, union lu_page *lip,
                              struct lu_nodemap **recent_nodemap);
 
 int nodemap_process_idx_pages(struct nodemap_config *config, union lu_page *lip,
                              struct lu_nodemap **recent_nodemap);

+
+struct dt_device;
+int nodemap_fs_init(const struct lu_env *env, struct dt_device *dev,
+                   struct obd_device *obd, struct local_oid_storage *los);
+void nodemap_fs_fini(const struct lu_env *env, struct obd_device *obd);

 #else /* disable nodemap processing in MGC of non-servers */
 static inline int nodemap_process_idx_pages(void *config,
                                            union lu_page *lip,
 #else /* disable nodemap processing in MGC of non-servers */
 static inline int nodemap_process_idx_pages(void *config,
                                            union lu_page *lip,