1 7a4ee46d 2003-11-23 devnull #include "stdinc.h"
 2 7a4ee46d 2003-11-23 devnull #include "dat.h"
 3 7a4ee46d 2003-11-23 devnull #include "fns.h"
 4 7a4ee46d 2003-11-23 devnull 
 5 7a4ee46d 2003-11-23 devnull void
 6 7a4ee46d 2003-11-23 devnull zeropart(Part *part, int blocksize)
 7 7a4ee46d 2003-11-23 devnull {
 8 7a4ee46d 2003-11-23 devnull 	ZBlock *b;
 9 7a4ee46d 2003-11-23 devnull 	u64int addr;
10 7a4ee46d 2003-11-23 devnull 	int w;
11 7a4ee46d 2003-11-23 devnull 
12 7a4ee46d 2003-11-23 devnull 	fprint(2, "clearing the partition\n");
13 7a4ee46d 2003-11-23 devnull 
14 7a4ee46d 2003-11-23 devnull 	b = alloczblock(MaxIoSize, 1);
15 7a4ee46d 2003-11-23 devnull 
16 7a4ee46d 2003-11-23 devnull 	w = 0;
17 7a4ee46d 2003-11-23 devnull 	for(addr = PartBlank; addr + MaxIoSize <= part->size; addr += MaxIoSize){
18 7a4ee46d 2003-11-23 devnull 		if(writepart(part, addr, b->data, MaxIoSize) < 0)
19 7a4ee46d 2003-11-23 devnull 			sysfatal("can't initialize %s, writing block %d failed: %r", part->name, w);
20 7a4ee46d 2003-11-23 devnull 		w++;
21 7a4ee46d 2003-11-23 devnull 	}
22 7a4ee46d 2003-11-23 devnull 
23 7a4ee46d 2003-11-23 devnull 	for(; addr + blocksize <= part->size; addr += blocksize)
24 7a4ee46d 2003-11-23 devnull 		if(writepart(part, addr, b->data, blocksize) < 0)
25 7a4ee46d 2003-11-23 devnull 			sysfatal("can't initialize %s: %r", part->name);
26 7a4ee46d 2003-11-23 devnull 
27 7a4ee46d 2003-11-23 devnull 	freezblock(b);
28 7a4ee46d 2003-11-23 devnull }