mount

package
v1.0.0-alpha2 Latest Latest
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Published: Jul 26, 2017 License: Apache-2.0, CC-BY-SA-4.0 Imports: 7 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func MountAll

func MountAll(mounts []Mount, target string) error

MountAll mounts all the provided mounts to the provided target

func Unmount

func Unmount(mount string, flags int) error

func UnmountAll

func UnmountAll(mount string, flags int) error

UnmountAll repeatedly unmounts the given mount point until there are no mounts remaining (EINVAL is returned by mount), which is useful for undoing a stack of mounts on the same mount point.

Types

type Info

type Info struct {
	// ID is a unique identifier of the mount (may be reused after umount).
	ID int

	// Parent indicates the ID of the mount parent (or of self for the top of the
	// mount tree).
	Parent int

	// Major indicates one half of the device ID which identifies the device class.
	Major int

	// Minor indicates one half of the device ID which identifies a specific
	// instance of device.
	Minor int

	// Root of the mount within the filesystem.
	Root string

	// Mountpoint indicates the mount point relative to the process's root.
	Mountpoint string

	// Options represents mount-specific options.
	Options string

	// Optional represents optional fields.
	Optional string

	// FSType indicates the type of filesystem, such as EXT3.
	FSType string

	// Source indicates filesystem specific information or "none".
	Source string

	// VFSOptions represents per super block options.
	VFSOptions string
}

Info reveals information about a particular mounted filesystem. This struct is populated from the content in the /proc/<pid>/mountinfo file.

func Lookup

func Lookup(dir string) (Info, error)

Lookup returns the mount info corresponds to the path.

func PID

func PID(pid int) ([]Info, error)

PID collects the mounts for a specific process ID. If the process ID is unknown, it is better to use `Self` which will inspect "/proc/self/mountinfo" instead.

func Self

func Self() ([]Info, error)

Self retrieves a list of mounts for the current running process.

type Mount

type Mount struct {
	// Type specifies the host-specific of the mount.
	Type string
	// Source specifies where to mount from. Depending on the host system, this
	// can be a source path or device.
	Source string
	// Options contains zero or more fstab-style mount options. Typically,
	// these are platform specific.
	Options []string
}

Mount is the lingua franca of containerd. A mount represents a serialized mount syscall. Components either emit or consume mounts.

func (*Mount) Mount

func (m *Mount) Mount(target string) error

Directories

Path Synopsis

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