efid_diskio
dip->diskio = efid_diskio;
static int efid_diskio(int, struct diskinfo *, u_int, int, void *);
dip->diskio = efid_diskio;
static int efid_diskio(int, struct diskinfo *, u_int, int, void *);
error = efid_diskio(rw, dip, blk, nsect, buf);
dip->diskio = efid_diskio;
static int efid_diskio(int, struct diskinfo *, u_int, int, void *);
error = efid_diskio(rw, dip, blk, nsect, buf);
dip->diskio = efid_diskio;
static int efid_diskio(int, struct diskinfo *, u_int, int, void *);
error = efid_diskio(rw, dip, blk, nsect, buf);
dip->diskio = efid_diskio;