metaslab_largest_allocatable
zdb_nicenum(metaslab_largest_allocatable(msp), maxbuf, sizeof (maxbuf));
if (metaslab_largest_allocatable(msp) < metaslab_df_alloc_threshold ||
uint64_t max_size = metaslab_largest_allocatable(msp);
msp->ms_max_size = metaslab_largest_allocatable(msp);
msp->ms_max_size = metaslab_largest_allocatable(msp);
msp->ms_max_size = metaslab_largest_allocatable(msp);
weight = metaslab_largest_allocatable(msp);
uint64_t metaslab_largest_allocatable(metaslab_t *);