[Linux-cachefs] Re: [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing [try #13]
Trond Myklebust
trond.myklebust at fys.uio.no
Tue Sep 5 12:52:57 UTC 2006
On Tue, 2006-09-05 at 15:01 +0800, Ian Kent wrote:
> > autofs v4 doesn't rely on mkdir never returning EACCESS just that it
> > return EEXIST if the directory exists. Never the less if the behavior of
> > stat will work in this case I'll change v4 to do it the way you suggest
> > (as v5 does already).
>
> Aaah. Wrong again!
>
> Although v5 doesn't attempt to mount an NFS export if the directory
> doesn't exist it does end up doing a mkdir later as the most common case
> is mounting an NFS export within an autofs filesystem or other, usually
> local filesystem.
Then make sure that it only does this within the autofs filesystem. The
value of f_type as returned by statfs() should be able to tell you if
this is the case.
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