>> Three years ago, commit 2d753e62b8 removed kernel-side caching
>> of mount attempts that returns -ENOENT. Apparently it wasn't
>> working as it should.
>
> It stopped working when 2.6 was released due to changes in the VFS.
> These changes made it extremely hard to do in the kernel module. Efforts
> to do it in the kernel module have been abandoned at this stage.

Thanks for the details.

> I guess that's what it amounts to, since all the effort is going into v5.
>
> I have a bunch of patches for v4 from Jeff Moyer that I've not got
> around to looking closely at and applying. We didn't get as far as the
> negative lookup caching patch though. In fact I don't think it had been
> written then.

I just checked that Jeff implemented it for RHEL 4. I'll take a look.

> What version of autofs?

autofs-4.1.4

> Do you have any other patches applied to it?

Yes, I have all patches released after 4.1.4 (SLES 10 autofs package).

Thanks,
Leonardo

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