read_blklim
struct read_blklim *blklim;
blklim = kmem_zalloc(sizeof (struct read_blklim), KM_SLEEP);
kmem_free(blklim, sizeof (struct read_blklim));
kmem_free(blklim, sizeof (struct read_blklim));
struct read_blklim *read_blk);
st_read_block_limits(struct scsi_tape *un, struct read_blklim *read_blk)
com->uscsi_buflen = sizeof (struct read_blklim);
struct read_blklim *un_rbl; /* ptr to read block limit info */
#define RBLSIZE (sizeof (struct read_blklim))