Automounting of the root partition in the initramfs

[Juerg Haefliger]

>> All,
>>
>> The (admittedly hacky) dracut-modules-growroot package installs a
>> dracut script that runs in the pre-pivot stage. It unmounts the root
>> partition, extends it to the maximum possible size and then tries to
>> remount it. What I noticed in F20 is that as soon as the
>> repartitioning finishes (its an sfdisk command), something
>> automatically remounts the root partition and the growroot script
>> fails when it tries to mount the already mounted partition.
>>
>> Can somebody shed some light on what is happening and why the root
>> partition is automatically remounted and if I can rely on that and not
>> have the growroot script try to remount it?
>>
>> Thanks
>> ...Juerg
>>
>
> Oh, that is systemd, because it generates a unit file from the kernel command
> line called sysroot.mount, which is required by the following systemd targets.

Is there an easy way to wait until this (remounting of root) has
happened or do I need to poll and time out?