diff options
Diffstat (limited to 'src/libventi/cache.c')
| -rw-r--r-- | src/libventi/cache.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/libventi/cache.c b/src/libventi/cache.c index da0d103e..aed19c55 100644 --- a/src/libventi/cache.c +++ b/src/libventi/cache.c @@ -176,7 +176,7 @@ upheap(int i, VtBlock *b) u32int now; int p; VtCache *c; - + c = b->c; now = c->now; for(; i != 0; i = p){ @@ -200,7 +200,7 @@ downheap(int i, VtBlock *b) u32int now; int k; VtCache *c; - + c = b->c; now = c->now; for(; ; i = k){ @@ -291,7 +291,7 @@ vtcachebumpblock(VtCache *c) b->prev = nil; } - + if(0)fprint(2, "droping %x:%V\n", b->addr, b->score); /* set vtBlock to a reasonable state */ b->ref = 1; @@ -306,7 +306,7 @@ static VtBlock* vtcacheevict(VtCache *c, ulong size) { VtBlock *b; - + /* * If we were out of memory and put some blocks * to the side but now we have memory, grab one. @@ -317,7 +317,7 @@ vtcacheevict(VtCache *c, ulong size) b->next = nil; goto alloc; } - + /* * Otherwise, evict until we have memory. */ @@ -474,7 +474,7 @@ vtcacheglobal(VtCache *c, uchar score[VtScoreSize], int type, ulong size) /* * Lock b before unlocking c, so that others wait while we read. - * + * * You might think there is a race between this qlock(b) before qunlock(c) * and the qlock(c) while holding a qlock(b) in vtblockwrite. However, * the block here can never be the block in a vtblockwrite, so we're safe. @@ -542,7 +542,7 @@ if(0)fprint(2, "vtblockput: %d: %x %d %d\n", getpid(), b->addr, c->nheap, b->ios * b->nlock should probably stay at zero while * the vtBlock is unlocked, but diskThread and vtSleep * conspire to assume that they can just qlock(&b->lk); vtblockput(b), - * so we have to keep b->nlock set to 1 even + * so we have to keep b->nlock set to 1 even * when the vtBlock is unlocked. */ assert(b->nlock == 0); @@ -642,4 +642,3 @@ vtglobaltolocal(uchar score[VtScoreSize]) return NilBlock; return (score[16]<<24)|(score[17]<<16)|(score[18]<<8)|score[19]; } - |