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

[fs/lustre-release.git] / lustre / ptlrpc / nodemap_storage.c

diff --git a/lustre/ptlrpc/nodemap_storage.c b/lustre/ptlrpc/nodemap_storage.c
index efed19e..04e3f13 100644 (file)
--- a/lustre/ptlrpc/nodemap_storage.c
+++ b/lustre/ptlrpc/nodemap_storage.c
@@ -72,6 +72,8 @@ enum nm_flag_shifts {
        NM_FL_ALLOW_ROOT_ACCESS = 0x1,
        NM_FL_TRUST_CLIENT_IDS = 0x2,
        NM_FL_DENY_UNKNOWN = 0x4,
+       NM_FL_MAP_UID_ONLY = 0x8,
+       NM_FL_MAP_GID_ONLY = 0x10,
 };
 
 static void nodemap_cluster_key_init(struct nodemap_key *nk, unsigned int nm_id)
@@ -95,7 +97,11 @@ static void nodemap_cluster_rec_init(union nodemap_rec *nr,
                (nodemap->nmf_allow_root_access ?
                        NM_FL_ALLOW_ROOT_ACCESS : 0) |
                (nodemap->nmf_deny_unknown ?
-                       NM_FL_DENY_UNKNOWN : 0));
+                       NM_FL_DENY_UNKNOWN : 0) |
+               (nodemap->nmf_map_uid_only ?
+                       NM_FL_MAP_UID_ONLY : 0) |
+               (nodemap->nmf_map_gid_only ?
+                       NM_FL_MAP_GID_ONLY : 0));
 }
 
 static void nodemap_idmap_key_init(struct nodemap_key *nk, unsigned int nm_id,
@@ -741,6 +747,10 @@ static int nodemap_process_keyrec(struct nodemap_config *config,
                                        flags & NM_FL_TRUST_CLIENT_IDS;
                nodemap->nmf_deny_unknown =
                                        flags & NM_FL_DENY_UNKNOWN;
+               nodemap->nmf_map_uid_only =
+                                       flags & NM_FL_MAP_UID_ONLY;
+               nodemap->nmf_map_gid_only =
+                                       flags & NM_FL_MAP_GID_ONLY;
 
                if (*recent_nodemap == NULL) {
                        *recent_nodemap = nodemap;