cachefiles_open
if (xchg(&cachefiles_open, 1) == 1)
cachefiles_open = 0;
cachefiles_open = 0;
static unsigned long cachefiles_open;
struct cachefiles_open *load;
struct cachefiles_open *load = (void *)req->msg.data;
data_len = sizeof(struct cachefiles_open) +
struct cachefiles_open *load),