plan9port/src/cmd/venti/srv/zeropart.c
2005-07-12 15:23:36 +00:00

31 lines
716 B
C

#include "stdinc.h"
#include "dat.h"
#include "fns.h"
void
zeropart(Part *part, int blocksize)
{
ZBlock *b;
u64int addr;
int w;
fprint(2, "clearing the partition\n");
//fprint(2, "NOT!\n");
//return;
//b=alloczblock(MaxIoSize, 1, blocksize);
//freezblock(b);
b = alloczblock(MaxIoSize, 1, blocksize);
w = 0;
for(addr = PartBlank; addr + MaxIoSize <= part->size; addr += MaxIoSize){
if(writepart(part, addr, b->data, MaxIoSize) < 0)
sysfatal("can't initialize %s, writing block %d failed: %r", part->name, w);
w++;
}
for(; addr + blocksize <= part->size; addr += blocksize)
if(writepart(part, addr, b->data, blocksize) < 0)
sysfatal("can't initialize %s: %r", part->name);
freezblock(b);
}