On Thu, Aug 30, 2007 at 02:07:43PM -0700, Hua Zhong wrote:
> I am re-sending this after help from Ian and git-bisect. To me it's a
> show-stopper: I cannot find an acceptable workaround that I can implement.
>
> The problem: upgrading to 2.6.23-rc4 from 2.6.22 causes several autofs
> mounts to fail silently - they just not appear when they should.
>
> I believe it's caused by the NFS change that forces multiple mounts from
> different directories under the same server side filesystem to have the same
> mount options by default, otherwise it returns EBUSY.
>
> For example, if server has a filesystem /a, and it exports /a/x and /a/y
> (maybe with rw or ro), and a client must mount /a/x and /a/y with the same
> mount options now.
>
> Since in my setup they are managed by autofs, and the autofs map is managed
> by nis, there is no way I could easily workaround it..
>
> If we have to live with this regression, I want to hear some suggestions
> about how to fix them realistically. Thanks.
>
> By the way, I am not sure if I did the bisect right, but FWIW, git-bisect
> says:
>
> c98451bdb2f3e6d6cc1e03adad641e9497512b49 is first bad commit
> commit c98451bdb2f3e6d6cc1e03adad641e9497512b49
> Author: Frank van Maarseveen <[email protected]>
> Date: Mon Jul 9 22:25:29 2007 +0200
>
> NLM: fix source address of callback to client
>
> Use the destination address of the original NLM request as the
> source address in callbacks to the client.
>
> Signed-off-by: Frank van Maarseveen <[email protected]>
> Signed-off-by: Trond Myklebust <[email protected]>
>
> :040000 040000 675c84bd8b2c50744018becaa0db4aeca19b8f9f
> 105fbd3cb3fa5e3019836b4b5268125d0181a72d M fs
> :040000 040000 0138796e0806b4ebd1cc3850ed4e8c7ab24d2d41
> 2fec08debe51c20423a88b1a0d4281c683ba5daf M include
This does not have any relation with the mount problem, assuming commit
and comment do match.
--
Frank
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