block

Documentation

Overview

block provides the implementation of the "block" volume type, using a Torus file as a block device.

Index

• Constants
• func CreateBlockFromSnapshot(srv *torus.Server, origvol, origsnap, newvol string, progress bool) error
• func CreateBlockVolume(mds torus.MetadataService, volume string, size uint64) error
• func DeleteBlockVolume(mds torus.MetadataService, volume string) error
• func NewBlockVolGC(srv *torus.Server, inodes gc.INodeFetcher) (gc.GC, error)
• type BlockFile
  • func (f *BlockFile) Close() (err error)
  • func (f *BlockFile) Sync() error
• type BlockVolume
  • func OpenBlockVolume(s *torus.Server, volume string) (*BlockVolume, error)
  • func (s *BlockVolume) DeleteSnapshot(name string) error
  • func (s *BlockVolume) GetSnapshots() ([]Snapshot, error)
  • func (s *BlockVolume) OpenBlockFile() (file *BlockFile, err error)
  • func (s *BlockVolume) OpenSnapshot(name string) (*BlockFile, error)
  • func (s *BlockVolume) RestoreSnapshot(name string) (err error)
  • func (s *BlockVolume) SaveSnapshot(name string) error
• type Snapshot

Constants

const VolumeType = "block"

Functions

func CreateBlockFromSnapshot

func CreateBlockFromSnapshot(srv *torus.Server, origvol, origsnap, newvol string, progress bool) error

func CreateBlockVolume

func CreateBlockVolume(mds torus.MetadataService, volume string, size uint64) error

CreateBlockVolume creates volume in metadata service.

func DeleteBlockVolume

func DeleteBlockVolume(mds torus.MetadataService, volume string) error

func NewBlockVolGC

func NewBlockVolGC(srv *torus.Server, inodes gc.INodeFetcher) (gc.GC, error)

Types

type BlockFile

type BlockFile struct {
	*torus.File
	// contains filtered or unexported fields
}

func (*BlockFile) Close

func (f *BlockFile) Close() (err error)

func (*BlockFile) Sync

func (f *BlockFile) Sync() error

type BlockVolume

type BlockVolume struct {
	// contains filtered or unexported fields
}

func OpenBlockVolume

func OpenBlockVolume(s *torus.Server, volume string) (*BlockVolume, error)

func (*BlockVolume) DeleteSnapshot

func (s *BlockVolume) DeleteSnapshot(name string) error

func (*BlockVolume) GetSnapshots

func (s *BlockVolume) GetSnapshots() ([]Snapshot, error)

func (*BlockVolume) OpenBlockFile

func (s *BlockVolume) OpenBlockFile() (file *BlockFile, err error)

func (*BlockVolume) OpenSnapshot

func (s *BlockVolume) OpenSnapshot(name string) (*BlockFile, error)

func (*BlockVolume) RestoreSnapshot

func (s *BlockVolume) RestoreSnapshot(name string) (err error)

func (*BlockVolume) SaveSnapshot

func (s *BlockVolume) SaveSnapshot(name string) error

type Snapshot

type Snapshot struct {
	Name     string
	When     time.Time
	INodeRef []byte
}