Re: NFS locking bug -- limited mtime resolution means nfs_lock() does not provide coherency guarantee

[Andi Kleen]

On Wed, Sep 13, 2000 at 10:35:10PM +0200, Trond Myklebust wrote:
>      > No, it does not help. i_generation is only in the NFS file
>      > handle, but not in the fattr/file id this is used for cache
>      > checks. The NFS file handle has to stay identical anyways, as
>      > long as the inode is not deleted/reused.
> 
> 
> You might be able to steal a couple of bytes and then rewrite ext2fs
> to mask those out from the 'i_generation' field, but it would mean that
> you could no longer boot your old 2.2.16 kernel without trouble on
> existing clients.

Steal a couple of bytes from what ? 

-Andi
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