code: mafs

ref: b3e875d7db45fca0cde9f4efa12872f61afc54d7
dir: /tests/sizes.c/

#include <u.h>
#include <libc.h>
#include "../dat.h"
#include "../fns.h"

void
main(int, void**)
{
	int t;
	u64 n;

	print("Blocksize %llud Maxdatablockunits %d\n",
			Blocksize, Maxdatablockunits);
	print("Dentry size %d\n", sizeof(Dentry));
	print("	Dentryhdr size %d Ddatasize %llud trailing path %d\n",
			sizeof(Dentryhdr), Ddatasize, sizeof(u64));
	print("Datahdr size %d trailing path %d Ddataidssize %d Maxdatablocksize %llud\n",
			sizeof(Datahdr), sizeof(u64), Ddataidssize, Maxdatablocksize);
	print("Ndblock %d Niblock %d\n", Ndblock, Niblock);
	print("Nindperblock %llud Maxdatablocksize %llud\n",
			Nindperblock, Maxdatablocksize);

	for (t = Tind0; t < Maxtind; t++) {
		n = nperindunit(t);
		print("A %s unit points to %lld data blocks (%llud bytes)\n",
			 tagnames[t], n, n*Maxdatablocksize);
		print("		block points to %llud data blocks\n", nperiblock(t));
		print("		reli start %llud	max %llud\n",
			tagstartreli(t), maxreli(t));
		print("		max size %llud*Maxdatablocksize = %llud bytes",
				maxblocks(t),
				maxblocks(t)*Maxdatablocksize);
		if(maxblocks(t)*Maxdatablocksize/(TiB) > 0)
			print("	= %llud TiB\n",maxblocks(t)*Maxdatablocksize/(TiB));
		else if(maxblocks(t)*Maxdatablocksize/(GiB) > 0)
			print("	= %llud GiB\n",maxblocks(t)*Maxdatablocksize/(GiB));
		else if(maxblocks(t)*Maxdatablocksize/(MiB) > 0)
			print("	= %llud MiB\n",maxblocks(t)*Maxdatablocksize/(MiB));
		else
			print("\n");
	}
	exits(nil);
}

/*
static uvlong
maxsize1(void)
{
	int i;
	uvlong max = Ndblock, ind = 1;

	for (i = 0; i < Niblock; i++) {
		ind = muluvlongov(ind, Nindperblock);	\/* power of Nindperblock *\/
		if (ind == 0)
			return 0;
		max = adduvlongov(max, ind);
		print("maxsize %d %llud max %llud\n", i, ind, max);
		if (max == 0)
			return 0;
	}
	return muluvlongov(max, Blocksize);
}

static uvlong
maxsize(void)
{
	int i;
	uvlong max = Ndblock, ind;

	print("maxsize direct blocks max %llud\n", max);
	for (i = 0; i < Niblock; i++) {
		ind = nperiblock(Tind0+i);
		max += ind;
		print("maxsize %s %llud max %llud\n", tagnames[Tind0+i], ind, max);
	}
	return max;
}
*/