NFS: Store the credential of the mount process in the nfs_server

Store the credential of the mount process so that we can determine
information such as the user namespace.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index a843cf3f6340..e3baa9f1da76 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -500,7 +500,7 @@ int nfs_create_rpc_client(struct nfs_client *clp,
                 .program        = &nfs_program,
                 .version        = clp->rpc_ops->version,
                 .authflavor     = flavor,
-                .cred           = current_cred(),
+                .cred           = cl_init->cred,
         };
 
         if (test_bit(NFS_CS_DISCRTRY, &clp->cl_flags))
@@ -655,6 +655,7 @@ static int nfs_init_server(struct nfs_server *server,
                 .proto = data->nfs_server.protocol,
                 .net = data->net,
                 .timeparms = &timeparms,
+                .cred = server->cred,
         };
         struct nfs_client *clp;
         int error;
@@ -923,6 +924,7 @@ void nfs_free_server(struct nfs_server *server)
         ida_destroy(&server->lockowner_id);
         ida_destroy(&server->openowner_id);
         nfs_free_iostats(server->io_stats);
+        put_cred(server->cred);
         kfree(server);
         nfs_release_automount_timer();
 }
@@ -943,6 +945,8 @@ struct nfs_server *nfs_create_server(struct nfs_mount_info *mount_info,
         if (!server)
                 return ERR_PTR(-ENOMEM);
 
+        server->cred = get_cred(current_cred());
+
         error = -ENOMEM;
         fattr = nfs_alloc_fattr();
         if (fattr == NULL)
@@ -1009,6 +1013,8 @@ struct nfs_server *nfs_clone_server(struct nfs_server *source,
         if (!server)
                 return ERR_PTR(-ENOMEM);
 
+        server->cred = get_cred(source->cred);
+
         error = -ENOMEM;
         fattr_fsinfo = nfs_alloc_fattr();
         if (fattr_fsinfo == NULL)