[systemd-devel] [PATCH] cryptsetup-generator: Add JobTimeoutSec=0 for all known crypt devices

[Harald Hoyer]

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Am 04.04.2013 13:09, schrieb Thomas Bächler:
> Am 03.04.2013 19:02, schrieb Lennart Poettering:
>> On Wed, 03.04.13 17:02, Harald Hoyer (harald at redhat.com) wrote:
>> 
>>>> Well, this explanation is too short. You need to clarify that this
>>>> only has an effect on devices listed in fstab with their device
>>>> mapper path (i.e. rather than LABEL= or UUID=, which is by far more
>>>> common). For the generic case there is no way around setting
>>>> x-systemd.device-timeout=0 in fstab, because we wouldn't know that
>>>> the fs with that label or uuid is hidden behind a certain encrypted
>>>> device before we have decrypted it.
>>> 
>>> This is not true. This also affects LVM on top of the cryptsetup
>>> devices, where none of the /dev/mapper devices is and can be in
>>> /etc/fstab.
>> 
>> Well, LVM does not care about proper dependencies. They still are so 
>> naive to assume they are run at a point in time where all devices are 
>> probed.
> 
> That is untrue. LVM can be enabled entirely from udev if it is so 
> configured.

This is exactly what is going on in dracut and because we don't know the
physical volumes, we cannot create systemd units with dependencies.
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