Re: [PATCH 0/4] fat: fix ESTALE errors

[Al Viro]

On Sat, Aug 18, 2012 at 05:41:39AM -0400, Namjae Jeon wrote:
> From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
> 
> This patch-set eliminates the client side ESTALE errors when
> a FAT partition exported over NFS has its dentries evicted 
> from the cache.
> 
> One of the reasons for this error is lack of permanent inode 
> numbers on FAT which makes it difficult to construct persistent 
> file handles.This can be overcome by using the on-disk location
> of the directory entries (i_pos) as the inode number.

The hell it can.  You've just made them unstable on rename(2).
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