Re: Autoconfiguring root device and fstab(5) (wedges?)

[Masao Uebayashi <uebayasi%gmail.com@localhost>]

On Sun, Mar 27, 2011 at 10:16 PM, Jean-Yves Migeon
<jeanyves.migeon%free.fr@localhost> wrote:
> On 27.03.2011 13:07, Alan Barrett wrote:
>> On Sat, 26 Mar 2011, Jean-Yves Migeon wrote:
>>> Thing is: the root device is different for domU and native/dom0 (xbd0
>>> vs wd0). This causes failures everywhere during boot, due to improper
>>> fstab(5) entry for /.
>>
>> I am not sure if this will help you, but there's a magic string,
>> "from_mount", which can be used in the first field of the fstab entry,
>> like this:
>>
>> # fs_spec       fs_file fs_vfstype fs_mntops fs_freq fs_passno
>> from_mount      /       ffs        rw,log    1       0
>>
>> This does not seem to be documented in fstab(5), but it is documented in
>> mount(8).
>
> Yep; just tested it though, and fsck complains that it can't stat
> ``from_mount'', reason is... obvious.

Can't we move the logic from mount(8) to getfsent(3) internal?