Re: regression with prefixpath mounts

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2011/8/4 Jeff Layton <jlayton@xxxxxxxxxx>:
> Hi Pavel,
>
> We have a bit of a problem...
>
>    https://bugzilla.redhat.com/show_bug.cgi?id=727834
>
> The shared superblock patches seem to have broken the ability to mount
> directories that live under other directories to which the mounting
> user doesn't have permissions.
>
> IOW, suppose we have this shared out:
>
>    /share/dir1/dir2
>
> ...if the permissions on dir1 don't allow the mounting user to access
> it, then cifs_get_root will fail. We'll need to come up with a new
> scheme for handling this that doesn't require access to every component
> of the prefixpath.
>
> I'm not sure what the right fix is here...we may need to come up with a
> scheme more like NFS does. It will alter the tree when it discovers
> that a root dir that it previously was working on is actually a subdir
> of another mount.
>
> Thoughts?
> --
> Jeff Layton <jlayton@xxxxxxxxxx>
>

Thanks for the report. I understand the problem, let me think how to
fix it right.

-- 
Best regards,
Pavel Shilovsky.
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