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return of venti

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rsc 2005-07-12 15:23:36 +00:00
parent 88bb285e3d
commit a0d146edd7
68 changed files with 14443 additions and 2 deletions
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73
src/cmd/venti/srv/syncindex.c Normal file
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#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");
}
Config conf;
void
threadmain(int argc, char *argv[])
{
u32int bcmem, icmem;
int fix;
fix = 0;
bcmem = 0;
icmem = 0;
ARGBEGIN{
case 'B':
bcmem = unittoull(EARGF(usage()));
break;
case 'I':
icmem = unittoull(EARGF(usage()));
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], &conf) < 0)
sysfatal("can't init venti: %r");
if(bcmem < maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16))
bcmem = maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16);
if(0) fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
initdcache(bcmem);
initlumpcache(1*1024*1024, 1024/8);
icmem = u64log2(icmem / (sizeof(IEntry)+sizeof(IEntry*)) / ICacheDepth);
if(icmem < 4)
icmem = 4;
if(1) fprint(2, "initialize %d bytes of index cache for %d index entries\n",
(sizeof(IEntry)+sizeof(IEntry*)) * (1 << icmem) * ICacheDepth,
(1 << icmem) * ICacheDepth);
initicache(icmem, ICacheDepth);
initicachewrite();
if(mainindex->bloom)
startbloomproc(mainindex->bloom);
if(verbose)
printindex(2, mainindex);
if(syncindex(mainindex, fix, 1, 0) < 0)
sysfatal("failed to sync index=%s: %r\n", mainindex->name);
threadexitsall(0);
}