diff options
| -rw-r--r-- | bio.c | 6 |
1 files changed, 0 insertions, 6 deletions
@@ -65,16 +65,12 @@ bget(uint dev, uint blockno) acquire(&bcache.lock); - // cprintf("bget %d\n", blockno); - // Is the block already cached? for(b = bcache.head.next; b != &bcache.head; b = b->next){ if(b->dev == dev && b->blockno == blockno){ - //cprintf("bget %d; get sleep lock for buffer %p\n", blockno, b - bcache.buf); b->refcnt++; release(&bcache.lock); acquiresleep(&b->lock); - //cprintf("bget: return buffer %p for blk %d\n", b - bcache.buf, blockno); return b; } } @@ -84,14 +80,12 @@ bget(uint dev, uint blockno) // hasn't yet committed the changes to the buffer. for(b = bcache.head.prev; b != &bcache.head; b = b->prev){ if(b->refcnt == 0 && (b->flags & B_DIRTY) == 0) { - // cprintf("bget %d; use %p for %d\n", b - bcache.buf, blockno); b->dev = dev; b->blockno = blockno; b->flags = 0; b->refcnt = 1; release(&bcache.lock); acquiresleep(&b->lock); - // cprintf("bget: return buffer %p for blk %d\n", b - bcache.buf, blockno); return b; } } |