Hi all,
08.01.2015 23:32, Harald Hoyer:
[...]
Yes, I was about to suggest the same at the end. Where I fill uneasy is
hardcoding /dev/root inside of systemd-fsck. In case of dracut this is
basically the only thing that we know for sure. Does every initrd
implementation use it?

Alternative is to always use /dev/root in systemd-fsck and factor out
current code that checks for root block device into service/generator
that creates it.

Do not use /dev/root and do not rely on it! Please!

Maybe a very naive idea, but why not add some special (for initrd) config file (like fstab.rd.conf) in order to explicitely specify host root location, fstype, options etc. Why try so hard to guess automatically? Note, that here in my initrd I already see quite a number of similar config files under /etc, generated by mkinitrd, such as mdadm.conf, os-release, vconsole.conf, conf.d/systemd.conf, and even cmdline.d/95root-dev.conf (probably created by dracut).

Besides, while we are at it anyway, wouldn't it be good to be able to somehow add the necessary filesystem mount options to the initial root mount command (that very first one from initrd, readonly). I'm not completely sure if _all_ filesystems can successfully apply _any_ mount option at subsuquent root remount (probably applying "-o rw" to remount read-write is guaranteed indeed to work for all filesystems, but tons of other options... I just don't know).

Thank you,
Nikolai
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