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Allow re-mounting an existing mount with "remount"

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Without this line of code, if a volume is present in /proc/mounts,
it cannot be remounted with new mount options.

Docker-DCO-1.1-Signed-off-by: Peter Waller <p@pwaller.net> (github: pwaller)
This commit is contained in:
Peter Waller 2014-06-25 09:15:08 +01:00
parent 01d4fd76dd
commit f87afda123
1 changed files with 5 additions and 2 deletions
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3
pkg/mount/mount.go
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@ -29,9 +29,12 @@ func Mounted(mountpoint string) (bool, error) {
// the target is not mounted
// Options must be specified as fstab style
func Mount(device, target, mType, options string) error {
flag, _ := parseOptions(options)
if flag&REMOUNT != REMOUNT {
if mounted, err := Mounted(target); err != nil || mounted {
return err
}
}
return ForceMount(device, target, mType, options)
}