Re: nfsd Security: /// bad export. error

G. Allen Morris III (gam3@ixlabs.com)
Sun, 19 Sep 1999 13:08:59 -0700

>>>Philippe Troin said:
> Mmmh, I think there's something more subtle going on.
> The problem lasts a few seconds where all fh lookups fail, and after
> that everything is back to normal... If the original dentry were
> flushed out, the problem would persist.

The reason that it does not persist is that after nfsd walks up the
tree to the root it walks back down (using the path it just built)
to the dirino. So the next time you walk up the dentry you find
the export dentry.

>
> Plus, I think the export structure keeps the dentry locked.

But only the export is pinned. The other directories aren't.

Allen

---------------------------------
G. Allen Morris III

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