slowfs

type DeviceConfig struct {
	// Name is the name of this configuration. This is used for selecting on the command line which
	// configuration to use.
	Name string

	// SeekWindow describes how many bytes ahead in a file we can access before considering
	// it a seek.
	SeekWindow units.NumBytes

	// SeekTime denotes the average time of a seek.
	SeekTime time.Duration

	// ReadBytesPerSecond denotes how many bytes we can read per second.
	ReadBytesPerSecond units.NumBytes

	// ReadBytesPerSecond denotes how many bytes we can write per second.
	WriteBytesPerSecond units.NumBytes

	// AllocateBytesPerSecond denotes how many bytes we can allocate using
	// fallocate per second.
	AllocateBytesPerSecond units.NumBytes

	// RequestReorderMaxDelay denotes how much later a request can be by timestamp after a previous
	// one and still be reordered before it.
	RequestReorderMaxDelay time.Duration

	// FsyncStrategy denotes which algorithm to use for modeling fsync.
	FsyncStrategy FsyncStrategy

	// WriteStrategy denotes which algorithm to use for modeling writes.
	WriteStrategy WriteStrategy

	// MetadataOpTime denotes how long metadata operations (like chmod, chown, etc) should take.
	MetadataOpTime time.Duration
}

type FsyncStrategy int

type WriteStrategy int