LU-8851 nodemap: add uid/gid only flags to control mapping

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

diff --git a/lustre/include/lustre_nodemap.h b/lustre/include/lustre_nodemap.h
index db10bda..d8553e9 100644 (file)
--- a/lustre/include/lustre_nodemap.h
+++ b/lustre/include/lustre_nodemap.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -48,6 +48,12 @@ enum nodemap_tree_type {
        NODEMAP_CLIENT_TO_FS,
 };
 
+enum nodemap_mapping_modes {
+       NODEMAP_MAP_BOTH,
+       NODEMAP_MAP_UID_ONLY,
+       NODEMAP_MAP_GID_ONLY,
+};
+
 struct nodemap_pde {
        char                     npe_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
        struct proc_dir_entry   *npe_proc_entry;
@@ -64,7 +70,10 @@ struct lu_nodemap {
        char                     nm_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
        /* flags to govern nodemap behavior */
        bool                     nmf_trust_client_ids:1,
-                                nmf_allow_root_access:1;
+                                nmf_deny_unknown:1,
+                                nmf_allow_root_access:1,
+                                nmf_map_uid_only:1,
+                                nmf_map_gid_only:1;
        /* unique ID set by MGS */
        unsigned int             nm_id;
        /* nodemap ref counter */
@@ -119,6 +128,8 @@ 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_set_deny_unknown(const char *name, bool deny_unknown);
+int nodemap_set_mapping_mode(const char *name, enum nodemap_mapping_modes mode);
 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);
@@ -138,20 +149,20 @@ void nodemap_test_nid(lnet_nid_t nid, char *name_buf, size_t name_len);
 #else
 #define nodemap_test_nid(nid, name_buf, name_len) do {} while(0)
 #endif
-__u32 nodemap_test_id(lnet_nid_t nid, enum nodemap_id_type idtype,
-                     __u32 client_id);
-
-enum nm_config_file_type {
-       NCFT_MGS,
-       NCFT_TGT,
-};
-struct nm_config_file *nm_config_file_register(const struct lu_env *env,
-                                              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,
-                              struct nm_config_file *ncf,
-                              enum nm_config_file_type ncf_type);
+int nodemap_test_id(lnet_nid_t nid, enum nodemap_id_type idtype,
+                   __u32 client_id, __u32 *fs_id);
+
+struct nm_config_file *nm_config_file_register_mgs(const struct lu_env *env,
+                                                  struct dt_object *obj,
+                                                  struct local_oid_storage *los);
+struct dt_device;
+struct nm_config_file *nm_config_file_register_tgt(const struct lu_env *env,
+                                                  struct dt_device *dev,
+                                                  struct local_oid_storage *los);
+void nm_config_file_deregister_mgs(const struct lu_env *env,
+                                  struct nm_config_file *ncf);
+void nm_config_file_deregister_tgt(const struct lu_env *env,
+                                  struct nm_config_file *ncf);
 struct lu_nodemap *nodemap_get_from_exp(struct obd_export *exp);
 void nodemap_putref(struct lu_nodemap *nodemap);
 
@@ -190,6 +201,7 @@ 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);
+
 #else /* disable nodemap processing in MGC of non-servers */
 static inline int nodemap_process_idx_pages(void *config,
                                            union lu_page *lip,