1 a0d146ed 2005-07-12 devnull #include "stdinc.h"
 2 a0d146ed 2005-07-12 devnull #include "dat.h"
 3 a0d146ed 2005-07-12 devnull #include "fns.h"
 4 a0d146ed 2005-07-12 devnull 
 5 a0d146ed 2005-07-12 devnull void
 6 a0d146ed 2005-07-12 devnull usage(void)
 7 a0d146ed 2005-07-12 devnull {
 8 9ee00732 2011-06-07 rsc 	fprint(2, "usage: fmtisect [-1Z] [-b blocksize] name file\n");
 9 a0d146ed 2005-07-12 devnull 	threadexitsall(0);
10 a0d146ed 2005-07-12 devnull }
11 a0d146ed 2005-07-12 devnull 
12 a0d146ed 2005-07-12 devnull void
13 a0d146ed 2005-07-12 devnull threadmain(int argc, char *argv[])
14 a0d146ed 2005-07-12 devnull {
15 a0d146ed 2005-07-12 devnull 	int vers;
16 a0d146ed 2005-07-12 devnull 	ISect *is;
17 a0d146ed 2005-07-12 devnull 	Part *part;
18 a0d146ed 2005-07-12 devnull 	char *file, *name;
19 a0d146ed 2005-07-12 devnull 	int blocksize, setsize, zero;
20 a0d146ed 2005-07-12 devnull 
21 a0d146ed 2005-07-12 devnull 	ventifmtinstall();
22 a0d146ed 2005-07-12 devnull 	statsinit();
23 a0d146ed 2005-07-12 devnull 
24 a0d146ed 2005-07-12 devnull 	blocksize = 8 * 1024;
25 a0d146ed 2005-07-12 devnull 	setsize = 512 * 1024;
26 a0d146ed 2005-07-12 devnull 	zero = -1;
27 a0d146ed 2005-07-12 devnull 	vers = ISectVersion2;
28 a0d146ed 2005-07-12 devnull 	ARGBEGIN{
29 a0d146ed 2005-07-12 devnull 	case 'b':
30 a0d146ed 2005-07-12 devnull 		blocksize = unittoull(ARGF());
31 a0d146ed 2005-07-12 devnull 		if(blocksize == ~0)
32 a0d146ed 2005-07-12 devnull 			usage();
33 a0d146ed 2005-07-12 devnull 		if(blocksize > MaxDiskBlock){
34 a0d146ed 2005-07-12 devnull 			fprint(2, "block size too large, max %d\n", MaxDiskBlock);
35 a0d146ed 2005-07-12 devnull 			threadexitsall("usage");
36 a0d146ed 2005-07-12 devnull 		}
37 a0d146ed 2005-07-12 devnull 		break;
38 a0d146ed 2005-07-12 devnull 	case '1':
39 a0d146ed 2005-07-12 devnull 		vers = ISectVersion1;
40 a0d146ed 2005-07-12 devnull 		break;
41 a0d146ed 2005-07-12 devnull 	case 'Z':
42 a0d146ed 2005-07-12 devnull 		zero = 0;
43 a0d146ed 2005-07-12 devnull 		break;
44 a0d146ed 2005-07-12 devnull 	default:
45 a0d146ed 2005-07-12 devnull 		usage();
46 a0d146ed 2005-07-12 devnull 		break;
47 a0d146ed 2005-07-12 devnull 	}ARGEND
48 a0d146ed 2005-07-12 devnull 
49 a0d146ed 2005-07-12 devnull 	if(zero == -1){
50 a0d146ed 2005-07-12 devnull 		if(vers == ISectVersion1)
51 a0d146ed 2005-07-12 devnull 			zero = 1;
52 a0d146ed 2005-07-12 devnull 		else
53 a0d146ed 2005-07-12 devnull 			zero = 0;
54 a0d146ed 2005-07-12 devnull 	}
55 a0d146ed 2005-07-12 devnull 
56 a0d146ed 2005-07-12 devnull 	if(argc != 2)
57 a0d146ed 2005-07-12 devnull 		usage();
58 a0d146ed 2005-07-12 devnull 
59 a0d146ed 2005-07-12 devnull 	name = argv[0];
60 a0d146ed 2005-07-12 devnull 	file = argv[1];
61 a0d146ed 2005-07-12 devnull 
62 a0d146ed 2005-07-12 devnull 	if(nameok(name) < 0)
63 a0d146ed 2005-07-12 devnull 		sysfatal("illegal name %s", name);
64 a0d146ed 2005-07-12 devnull 
65 a0d146ed 2005-07-12 devnull 	part = initpart(file, ORDWR|ODIRECT);
66 a0d146ed 2005-07-12 devnull 	if(part == nil)
67 a0d146ed 2005-07-12 devnull 		sysfatal("can't open partition %s: %r", file);
68 a0d146ed 2005-07-12 devnull 
69 a0d146ed 2005-07-12 devnull 	if(zero)
70 a0d146ed 2005-07-12 devnull 		zeropart(part, blocksize);
71 a0d146ed 2005-07-12 devnull 
72 a0d146ed 2005-07-12 devnull 	is = newisect(part, vers, name, blocksize, setsize);
73 a0d146ed 2005-07-12 devnull 	if(is == nil)
74 a0d146ed 2005-07-12 devnull 		sysfatal("can't initialize new index: %r");
75 a0d146ed 2005-07-12 devnull 
76 a0d146ed 2005-07-12 devnull 	fprint(2, "fmtisect %s: %,d buckets of %,d entries, %,d bytes for index map\n",
77 a0d146ed 2005-07-12 devnull 		file, is->blocks, is->buckmax, setsize);
78 a0d146ed 2005-07-12 devnull 
79 a0d146ed 2005-07-12 devnull 	if(wbisect(is) < 0)
80 a0d146ed 2005-07-12 devnull 		fprint(2, "can't write back index section header for %s: %r\n", file);
81 a0d146ed 2005-07-12 devnull 
82 a0d146ed 2005-07-12 devnull 	threadexitsall(0);
83 a0d146ed 2005-07-12 devnull }