Ion Badulescu wrote:
> On 13 Feb 2003, Stefan Monnier wrote:
>
>
>>My /home accounts are all automounted. Of course I want `ls /home'
>>to give useful results (especially I want tab-completion to work
>>there), so I make /nfs an autofs directory and populate /home
>>with symlinks to the corresponding place in /nfs.
>
>
> But of course one of the main points of a kernel-based autofs is to avoid
> mount storms. Try doing something like "ls -l" or even "ls -f" in your
> /home directory and have a storm bunker ready. :) Not to mention funky and
> newbie-friendly things like file managers, which cause precisely the same
> kind of mount storms.
>
> Solaris got at least this part right with its two-step lookup/mount
> requests.
>
This, of course, is the very need for ghosting.
However, this post gives me an idea for how one might be able to
implement ghosting in a race-free manner. I'm off to read VFS sources :)
-hpa
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