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    SubjectRe: [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing [try #13]
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    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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