updated bool         `msg:"-"`
}

type deleteAllStorager interface {
	deleteAll(ctx context.Context, bucket, prefix string)
}

// newBucketMetacache creates a new bucketMetacache.
// Optionally remove all existing caches.
func newBucketMetacache(bucket string, cleanup bool) *bucketMetacache {
	if cleanup {
		// Recursively delete all caches.
		objAPI := newObjectLayerFn()
		if objAPI != nil {

			logger.Info("getBucket: newly cached bucket %s does not match this bucket %s", b.bucket, bucket)
			debug.PrintStack()
		}
		return b
	}

	// New bucket. If we fail return the transient bucket.
	b = newBucketMetacache(bucket, true)
	m.buckets[bucket] = b
	return b
}

// deleteBucketCache will delete the bucket cache if it exists.
func (m *metacacheManager) deleteBucketCache(bucket string) {
	m.init.Do(m.initManager)