/*
* read in all of the arena's clump directory,
* convert to IEntry format, and bucket sort based
* on the first few bits.
*/
static uint32_t
readarenainfo(IEBucks *ib, Arena *arena, uint64_t a, Bloom *b)
{
IEntry ie;
ClumpInfo *ci, *cis;
uint32_t clump;
int i, n, ok, nskip;
if(arena->memstats.clumps)
fprint(2, "\tarena %s: %d entries\n", arena->name, arena->memstats.clumps);
else
fprint(2, "[%s] ", arena->name);
cis = MKN(ClumpInfo, ClumpChunks);
ok = 0;
nskip = 0;
memset(&ie, 0, sizeof(IEntry));
for(clump = 0; clump < arena->memstats.clumps; clump += n){
n = ClumpChunks;
if(n > arena->memstats.clumps - clump)
n = arena->memstats.clumps - clump;
if(readclumpinfos(arena, clump, cis, n) != n){
seterr(EOk, "arena directory read failed: %r");
ok = -1;
break;
}
for(i = 0; i < n; i++){
ci = &cis[i];
ie.ia.type = ci->type;
ie.ia.size = ci->uncsize;
ie.ia.addr = a;
a += ci->size + ClumpSize;
ie.ia.blocks = (ci->size + ClumpSize + (1 << ABlockLog) - 1) >> ABlockLog;
scorecp(ie.score, ci->score);
if(ci->type == VtCorruptType){
if(0) print("! %V %22lld %3d %5d %3d\n",
ie.score, ie.ia.addr, ie.ia.type, ie.ia.size, ie.ia.blocks);
nskip++;
}else
sprayientry(ib, &ie);
markbloomfilter(b, ie.score);
}
}
free(cis);
if(ok < 0)
return TWID32;
return clump - nskip;
}
int
insertscore(u8int score[VtScoreSize], IAddr *ia, int state, AState *as)
{
ISum *toload;
qlock(&icache.lock);
icacheinsert(score, ia, state);
if(state == IEClean)
toload = scachemiss(ia->addr);
else{
assert(state == IEDirty);
toload = nil;
if(as == nil)
fprint(2, "%T insertscore IEDirty without as; called from %#p\n",
getcallerpc(&score));
else{
if(icache.as.aa > as->aa)
fprint(2, "%T insertscore: aa moving backward: %#llux -> %#llux\n", icache.as.aa, as->aa);
icache.as = *as;
}
}
qunlock(&icache.lock);
if(toload){
scacheload(toload);
qunlock(&toload->lock);
}
if(icache.ndirty >= icache.maxdirty)
kickicache();
/*
* It's okay not to do this under icache.lock.
* Calling insertscore only happens when we hold
* the lump, meaning any searches for this block
* will hit in the lump cache until after we return.
*/
if(state == IEDirty)
markbloomfilter(mainindex->bloom, score);
return 0;
}
