[Bug 674943] [NEW] autofs5 attempts bind mounts with nfs4, but can't perform them correctly

[Matt Mossholder]

Public bug reported:

Binary package hint: autofs5

Description:	Ubuntu 10.10
autofs:             Installed: 5.0.5-0ubuntu21

When using autofs5 to mount a directory exported as nfs4 from localhost,
autofs5 attempts to perform a --bind mount, like it would with nfs2 or
nfs3. This does not work with nfs4, as nfs4 exports from its own "root".

For example, I have autofs setup to serve out home directories, all of
which are located in /export/home/$user . The fsid=0 directory is
/export . This means that in the auto.home, the path to the user's
directory is listed as /home/$user.

Given this, there is not enough information in the auto.home for autofs
to do a --bind mount for the local directory, and as such, an nfs4 mount
should be performed instead.

** Affects: autofs5 (Ubuntu)
     Importance: Undecided
         Status: New

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autofs5 attempts bind mounts with nfs4, but can't perform them correctly
https://bugs.launchpad.net/bugs/674943
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