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Re: procfs difference between NetBSD and Linux



On Fri 04 Jun 2021 at 14:29:51 -0000, Michael van Elst wrote:
> The bad behaviour is not restricted to procfs.
[...]
> % mount -v | grep overlay
> fud:/d/1/overlay on /tmp/x/mountpoint2 type nfs (fsid: 0xb03/0x70b, reads: sync 0 async 0, writes: sync 0 async 0)

Even simpler:

$ echo >/usr
sh: cannot create /usr: file exists
$ echo >/usr/bin
sh: cannot create /usr/bin: is a directory
$ mount|grep usr
/dev/dk7 on /usr type ffs (log, NFS exported, local)
[...]
$

> We need to understand why namei() does this check and how it can be
> corrected.

-Olaf.
-- 
___ Q: "What's an anagram of Banach-Tarski?"  -- Olaf "Rhialto" Seibert
\X/ A: "Banach-Tarski Banach-Tarski."         -- rhialto at falu dot nl

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