LU-5092 nodemap: save id maps to targets in new index file

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

diff --git a/lustre/include/lustre_nodemap.h b/lustre/include/lustre_nodemap.h
index 375154d..e5b26f7 100644 (file)
--- a/lustre/include/lustre_nodemap.h
+++ b/lustre/include/lustre_nodemap.h
@@ -27,8 +27,9 @@
 #ifndef _LUSTRE_NODEMAP_H
 #define _LUSTRE_NODEMAP_H
 
+#include <lustre/lustre_idl.h>
+
 #define LUSTRE_NODEMAP_NAME "nodemap"
-#define LUSTRE_NODEMAP_NAME_LENGTH 16
 
 #define LUSTRE_NODEMAP_DEFAULT_ID 0
 
@@ -63,10 +64,7 @@ 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_block_lookups:1,
-                                nmf_hmac_required:1,
-                                nmf_encryption_required:1;
+                                nmf_allow_root_access:1;
        /* unique ID set by MGS */
        unsigned int             nm_id;
        /* nodemap ref counter */
@@ -94,10 +92,19 @@ struct lu_nodemap {
        struct hlist_node        nm_hash;
        struct nodemap_pde      *nm_pde_data;
 
-       /* used when unloading nodemaps */
+       /* used when loading/unloading nodemaps */
        struct list_head         nm_list;
 };
 
+/* Store handles to local MGC storage to save config locally. In future
+ * versions of nodemap, mgc will receive the config directly and so this might
+ * not be needed.
+ */
+struct nm_config_file {
+       struct dt_object        *ncf_obj;
+       struct list_head        ncf_list;
+};
+
 void nodemap_activate(const bool value);
 int nodemap_add(const char *nodemap_name);
 int nodemap_del(const char *nodemap_name);
@@ -124,4 +131,8 @@ ssize_t nodemap_map_acl(struct lu_nodemap *nodemap, void *buf, size_t size,
 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);
+struct nm_config_file *nm_config_file_register(const struct lu_env *env,
+                                              struct dt_object *obj);
+void nm_config_file_deregister(const struct lu_env *env,
+                              struct nm_config_file *ncf);
 #endif /* _LUSTRE_NODEMAP_H */