On 31/07/17 16:54, Bernhard Voelker wrote:
> The attached fixes a hang for unaccessible NFS mounts which
> are automounted by systemd.
> 
> See e.g.
>   http://blog.tomecek.net/post/automount-with-systemd/
> for how to configure such a systemd unit to reproduce.

+  df no longer interacts with dummy file system types, so for example
+  no longer hangs with problematic nfs mounted via system.automount(5).
+  [bug introduced in coreutils-8.21]

Well df by default should not be displaying dummy file systems,
so the stat() avoidance here is a net win I think.
I'll apply this and we can improve the other issues mentioned
in the thread later.

cheers,
Pádraig

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