Golang BlockRef.BlockType Examples

Example #1

File: gc_block_vol.go Project: ConfusedReality/server_distributed-storage_torus

func (b *blockvolGC) IsDead(ref torus.BlockRef) bool {
	v, ok := b.highwaters[ref.Volume()]
	if !ok {
		if clog.LevelAt(capnslog.TRACE) {
			clog.Tracef("%s doesn't exist anymore", ref)
		}
		// Volume doesn't exist anymore
		return true
	}
	// If it's a new block or INode, let it be.
	if ref.INode >= v {
		if clog.LevelAt(capnslog.TRACE) {
			clog.Tracef("%s is new compared to %d", ref, v)
		}
		return false
	}
	// If it's an INode block, and it's not in our list
	if ref.BlockType() == torus.TypeINode {
		for _, x := range b.curINodes {
			if ref.HasINode(x, torus.TypeINode) {
				if clog.LevelAt(capnslog.TRACE) {
					clog.Tracef("%s is in %s", ref, x)
				}
				return false
			}
		}
		if clog.LevelAt(capnslog.TRACE) {
			clog.Tracef("%s is a dead INode", ref)
		}
		return true
	}
	// If it's a data block
	if v := b.set[ref]; v {
		return false
	}
	if clog.LevelAt(capnslog.TRACE) {
		clog.Tracef("%s is dead", ref)
	}
	return true
}