nfs4_find_get_deviceid
node = nfs4_find_get_deviceid(server, id, cred, gfp_mask);
d = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode), &fl->deviceid,
node = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode),
nfs4_find_get_deviceid(struct nfs_server *server,
EXPORT_SYMBOL_GPL(nfs4_find_get_deviceid);