Add documentation for exported functions and types

Signed-off-by: Jamie Hannaford <jamie.hannaford@rackspace.com>
This commit is contained in:
Jamie Hannaford 2015-03-28 14:29:33 +01:00
parent d9fa79b73c
commit bd4431719e
8 changed files with 165 additions and 39 deletions

View file

@ -4,11 +4,12 @@ import (
"time"
)
// GetMounts retrieves a list of mounts for the current running process.
func GetMounts() ([]*MountInfo, error) {
return parseMountTable()
}
// Looks at /proc/self/mountinfo to determine of the specified
// Mounted looks at /proc/self/mountinfo to determine of the specified
// mountpoint has been mounted
func Mounted(mountpoint string) (bool, error) {
entries, err := parseMountTable()
@ -25,9 +26,10 @@ func Mounted(mountpoint string) (bool, error) {
return false, nil
}
// Mount the specified options at the target path only if
// the target is not mounted
// Options must be specified as fstab style
// Mount will mount filesystem according to the specified configuration, on the
// condition that the target path is *not* already mounted. Options must be
// specified like the mount or fstab unix commands: "opt1=val1,opt2=val2". See
// flags.go for supported option flags.
func Mount(device, target, mType, options string) error {
flag, _ := parseOptions(options)
if flag&REMOUNT != REMOUNT {
@ -38,9 +40,10 @@ func Mount(device, target, mType, options string) error {
return ForceMount(device, target, mType, options)
}
// Mount the specified options at the target path
// reguardless if the target is mounted or not
// Options must be specified as fstab style
// ForceMount will mount a filesystem according to the specified configuration,
// *regardless* if the target path is not already mounted. Options must be
// specified like the mount or fstab unix commands: "opt1=val1,opt2=val2". See
// flags.go for supported option flags.
func ForceMount(device, target, mType, options string) error {
flag, data := parseOptions(options)
if err := mount(device, target, mType, uintptr(flag), data); err != nil {
@ -49,7 +52,7 @@ func ForceMount(device, target, mType, options string) error {
return nil
}
// Unmount the target only if it is mounted
// Unmount will unmount the target filesystem, so long as it is mounted.
func Unmount(target string) error {
if mounted, err := Mounted(target); err != nil || !mounted {
return err
@ -57,7 +60,8 @@ func Unmount(target string) error {
return ForceUnmount(target)
}
// Unmount the target reguardless if it is mounted or not
// ForceUnmount will force an unmount of the target filesystem, regardless if
// it is mounted or not.
func ForceUnmount(target string) (err error) {
// Simple retry logic for unmount
for i := 0; i < 10; i++ {