1*368c31abSDavid du Colombier #include "stdinc.h"
2*368c31abSDavid du Colombier #include "dat.h"
3*368c31abSDavid du Colombier #include "fns.h"
4*368c31abSDavid du Colombier
5*368c31abSDavid du Colombier void
usage(void)6*368c31abSDavid du Colombier usage(void)
7*368c31abSDavid du Colombier {
8*368c31abSDavid du Colombier fprint(2, "usage: fmtisect [-Z] [-b blocksize] name file\n");
9*368c31abSDavid du Colombier threadexitsall(0);
10*368c31abSDavid du Colombier }
11*368c31abSDavid du Colombier
12*368c31abSDavid du Colombier void
threadmain(int argc,char * argv[])13*368c31abSDavid du Colombier threadmain(int argc, char *argv[])
14*368c31abSDavid du Colombier {
15*368c31abSDavid du Colombier int vers;
16*368c31abSDavid du Colombier ISect *is;
17*368c31abSDavid du Colombier Part *part;
18*368c31abSDavid du Colombier char *file, *name;
19*368c31abSDavid du Colombier int blocksize, setsize, zero;
20*368c31abSDavid du Colombier
21*368c31abSDavid du Colombier ventifmtinstall();
22*368c31abSDavid du Colombier statsinit();
23*368c31abSDavid du Colombier
24*368c31abSDavid du Colombier blocksize = 8 * 1024;
25*368c31abSDavid du Colombier setsize = 512 * 1024;
26*368c31abSDavid du Colombier zero = -1;
27*368c31abSDavid du Colombier vers = ISectVersion2;
28*368c31abSDavid du Colombier ARGBEGIN{
29*368c31abSDavid du Colombier case 'b':
30*368c31abSDavid du Colombier blocksize = unittoull(ARGF());
31*368c31abSDavid du Colombier if(blocksize == ~0)
32*368c31abSDavid du Colombier usage();
33*368c31abSDavid du Colombier if(blocksize > MaxDiskBlock){
34*368c31abSDavid du Colombier fprint(2, "block size too large, max %d\n", MaxDiskBlock);
35*368c31abSDavid du Colombier threadexitsall("usage");
36*368c31abSDavid du Colombier }
37*368c31abSDavid du Colombier break;
38*368c31abSDavid du Colombier case '1':
39*368c31abSDavid du Colombier vers = ISectVersion1;
40*368c31abSDavid du Colombier break;
41*368c31abSDavid du Colombier case 'Z':
42*368c31abSDavid du Colombier zero = 0;
43*368c31abSDavid du Colombier break;
44*368c31abSDavid du Colombier default:
45*368c31abSDavid du Colombier usage();
46*368c31abSDavid du Colombier break;
47*368c31abSDavid du Colombier }ARGEND
48*368c31abSDavid du Colombier
49*368c31abSDavid du Colombier if(zero == -1){
50*368c31abSDavid du Colombier if(vers == ISectVersion1)
51*368c31abSDavid du Colombier zero = 1;
52*368c31abSDavid du Colombier else
53*368c31abSDavid du Colombier zero = 0;
54*368c31abSDavid du Colombier }
55*368c31abSDavid du Colombier
56*368c31abSDavid du Colombier if(argc != 2)
57*368c31abSDavid du Colombier usage();
58*368c31abSDavid du Colombier
59*368c31abSDavid du Colombier name = argv[0];
60*368c31abSDavid du Colombier file = argv[1];
61*368c31abSDavid du Colombier
62*368c31abSDavid du Colombier if(nameok(name) < 0)
63*368c31abSDavid du Colombier sysfatal("illegal name %s", name);
64*368c31abSDavid du Colombier
65*368c31abSDavid du Colombier part = initpart(file, ORDWR|ODIRECT);
66*368c31abSDavid du Colombier if(part == nil)
67*368c31abSDavid du Colombier sysfatal("can't open partition %s: %r", file);
68*368c31abSDavid du Colombier
69*368c31abSDavid du Colombier if(zero)
70*368c31abSDavid du Colombier zeropart(part, blocksize);
71*368c31abSDavid du Colombier
72*368c31abSDavid du Colombier is = newisect(part, vers, name, blocksize, setsize);
73*368c31abSDavid du Colombier if(is == nil)
74*368c31abSDavid du Colombier sysfatal("can't initialize new index: %r");
75*368c31abSDavid du Colombier
76*368c31abSDavid du Colombier fprint(2, "fmtisect %s: %,d buckets of %,d entries, %,d bytes for index map\n",
77*368c31abSDavid du Colombier file, is->blocks, is->buckmax, setsize);
78*368c31abSDavid du Colombier
79*368c31abSDavid du Colombier if(wbisect(is) < 0)
80*368c31abSDavid du Colombier fprint(2, "can't write back index section header for %s: %r\n", file);
81*368c31abSDavid du Colombier
82*368c31abSDavid du Colombier threadexitsall(0);
83*368c31abSDavid du Colombier }
84