shfl_volinfo
struct shfl_volinfo shfl_volinfo;
buf_len = sizeof(shfl_volinfo);
&buf_len, &shfl_volinfo);
stat->f_bsize = shfl_volinfo.bytes_per_allocation_unit;
do_div(shfl_volinfo.total_allocation_bytes,
shfl_volinfo.bytes_per_allocation_unit);
stat->f_blocks = shfl_volinfo.total_allocation_bytes;
do_div(shfl_volinfo.available_allocation_bytes,
shfl_volinfo.bytes_per_allocation_unit);
stat->f_bfree = shfl_volinfo.available_allocation_bytes;
stat->f_bavail = shfl_volinfo.available_allocation_bytes;