plan9port/src/cmd/venti/syncindex.c
2003-11-23 17:54:58 +00:00

57 lines
961 B
C

#include "stdinc.h"
#include "dat.h"
#include "fns.h"
static int verbose;
void
usage(void)
{
fprint(2, "usage: syncindex [-fv] [-B blockcachesize] config\n");
threadexitsall("usage");
}
void
threadmain(int argc, char *argv[])
{
u32int bcmem;
int fix;
fix = 0;
bcmem = 0;
ARGBEGIN{
case 'B':
bcmem = unittoull(ARGF());
break;
case 'f':
fix++;
break;
case 'v':
verbose++;
break;
default:
usage();
break;
}ARGEND
if(!fix)
readonly = 1;
if(argc != 1)
usage();
if(initventi(argv[0]) < 0)
sysfatal("can't init venti: %r");
if(bcmem < maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16))
bcmem = maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16);
fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
initdcache(bcmem);
if(verbose)
printindex(2, mainindex);
if(syncindex(mainindex, fix) < 0)
sysfatal("failed to sync index=%s: %r\n", mainindex->name);
threadexitsall(0);
}