Re: [PATCH] NFSv4.1/pNFS: Fix borken function _same_data_server_addrs_locked()

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On Thu, Aug 13, 2015 at 11:45 AM, Trond Myklebust
<trond.myklebust@xxxxxxxxxxxxxxx> wrote:
>
> - Switch back to using list_for_each_entry(). To fix an incorrect test
>   for list NULL termination.
> - Do not assume that lists are sorted.
> - Finally, consider an existing entry to match if it consists of a subset
>   of the addresses in the new entry.
>
> Cc: stable@xxxxxxxxxxxxxxx # 4.0+

Note that the bug predates Linux-4.0; it goes all the way back to
February 2012. This patch will not apply to older versions though,
since it used to live in fs/nfs/filelayout/filelayoutdev.c.

Cheers
  Trond
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