Method checkDiskSpace

internal/caches/storage_file.go:1585–1625

检查磁盘剩余空间

()

// 检查磁盘剩余空间
func (this *FileStorage) checkDiskSpace() {
	var minFreeSize = DefaultMinDiskFreeSpace

	var options = this.options // copy
	if options != nil && options.MinFreeSize != nil && options.MinFreeSize.Bytes() > 0 {
		minFreeSize = uint64(options.MinFreeSize.Bytes())
	}

	if options != nil && len(options.Dir) > 0 {
		stat, err := fsutils.StatDevice(options.Dir)
		if err == nil {
			this.mainDiskIsFull = stat.FreeSize() < minFreeSize
			this.mainDiskTotalSize = stat.TotalSize()

			// check capacity (only on main directory) when node capacity had not been set
			if !this.mainDiskIsFull {
				var capacityBytes int64
				var maxDiskCapacity = SharedManager.MaxDiskCapacity // copy
				if maxDiskCapacity != nil && maxDiskCapacity.Bytes() > 0 {
					capacityBytes = SharedManager.MaxDiskCapacity.Bytes()
				} else {
					var policy = this.policy // copy
					if policy != nil {
						capacityBytes = policy.CapacityBytes() // copy
					}
				}

				if capacityBytes > 0 && stat.UsedSize() >= uint64(capacityBytes) {
					this.mainDiskIsFull = true
				}
			}
		}
	}
	var subDirs = this.subDirs // copy slice
	for _, subDir := range subDirs {
		stat, err := fsutils.StatDevice(subDir.Path)
		if err == nil {
			subDir.IsFull = stat.FreeSize() < minFreeSize
		}
	}
}

// 检查是否有已满的磁盘分区
func (this *FileStorage) hasFullDisk() bool {