74 lines
2.4 KiB
Go
74 lines
2.4 KiB
Go
package mount
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import "github.com/moby/sys/mountinfo"
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// MakeShared ensures a mounted filesystem has the SHARED mount option enabled.
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// See the supported options in flags.go for further reference.
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func MakeShared(mountPoint string) error {
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return ensureMountedAs(mountPoint, SHARED)
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}
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// MakeRShared ensures a mounted filesystem has the RSHARED mount option enabled.
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// See the supported options in flags.go for further reference.
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func MakeRShared(mountPoint string) error {
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return ensureMountedAs(mountPoint, RSHARED)
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}
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// MakePrivate ensures a mounted filesystem has the PRIVATE mount option enabled.
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// See the supported options in flags.go for further reference.
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func MakePrivate(mountPoint string) error {
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return ensureMountedAs(mountPoint, PRIVATE)
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}
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// MakeRPrivate ensures a mounted filesystem has the RPRIVATE mount option
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// enabled. See the supported options in flags.go for further reference.
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func MakeRPrivate(mountPoint string) error {
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return ensureMountedAs(mountPoint, RPRIVATE)
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}
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// MakeSlave ensures a mounted filesystem has the SLAVE mount option enabled.
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// See the supported options in flags.go for further reference.
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func MakeSlave(mountPoint string) error {
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return ensureMountedAs(mountPoint, SLAVE)
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}
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// MakeRSlave ensures a mounted filesystem has the RSLAVE mount option enabled.
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// See the supported options in flags.go for further reference.
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func MakeRSlave(mountPoint string) error {
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return ensureMountedAs(mountPoint, RSLAVE)
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}
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// MakeUnbindable ensures a mounted filesystem has the UNBINDABLE mount option
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// enabled. See the supported options in flags.go for further reference.
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func MakeUnbindable(mountPoint string) error {
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return ensureMountedAs(mountPoint, UNBINDABLE)
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}
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// MakeRUnbindable ensures a mounted filesystem has the RUNBINDABLE mount
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// option enabled. See the supported options in flags.go for further reference.
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func MakeRUnbindable(mountPoint string) error {
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return ensureMountedAs(mountPoint, RUNBINDABLE)
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}
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// MakeMount ensures that the file or directory given is a mount point,
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// bind mounting it to itself it case it is not.
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func MakeMount(mnt string) error {
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mounted, err := mountinfo.Mounted(mnt)
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if err != nil {
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return err
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}
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if mounted {
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return nil
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}
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return mount(mnt, mnt, "none", uintptr(BIND), "")
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}
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func ensureMountedAs(mnt string, flags int) error {
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if err := MakeMount(mnt); err != nil {
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return err
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}
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return mount("", mnt, "none", uintptr(flags), "")
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}
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