rctlblk_get_local_flags
local_flags = rctlblk_get_local_flags(iter_val->rblk);
s = rctl_local_flags(pri, rctlblk_get_local_flags(blk));
pri->pname, rctlblk_get_local_flags(blk));
uint_t rctlblk_get_local_flags(rctlblk_t *);