Messages in this thread | | | Subject | Re: [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing [try #13] | From | Ian Kent <> | Date | Wed, 06 Sep 2006 18:27:58 +0800 |
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On Tue, 2006-09-05 at 08:47 -0400, Trond Myklebust wrote: > On Tue, 2006-09-05 at 10:57 +0100, David Howells wrote: > > Trond Myklebust <trond.myklebust@fys.uio.no> wrote: > > > > > Why the hell is it doing a mkdir in the first place? > > > > I think the problems it is solving are these: > > > > (1) What happens if "/" is _not_ exported? > > > > (2) What happens if some intermediate directory (say "/usr") is not > > accessible? > > > > > > In the first case, the automounter just makes "usr" and "usr/src", say, in the > > autofs filesystem, and then mounts server:/usr/src on that. > > That is fine. As long as it is doing so in the _autofs_ filesystem. A > call to 'stat()' should suffice to tell if this is the case. > > > In the second case, the automounter relies on NFS letting it make intervening > > directories it couldn't otherwise access to span the gap between "/" and > > "src". > > If the directory isn't accessible, then autofs shouldn't be trying to > override that. It certainly shouldn't be doing so by trying to create > the directory. >
In the case above the directory is in the autofs filesystem and so needs to be created.
Ian
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