Re: [rfc][patch] mm, fs: warn on missing address space operations

[Andrew Morton]

On Mon, 22 Mar 2010 21:40:57 +1100 Nick Piggin <npiggin@xxxxxxx> wrote:

> > 
> > 	/* this fs should use block_invalidatepage() */
> > 	WARN_ON_ONCE(!invalidatepage);
> 
> Problem is that it doesn't give you the aop name (and call trace
> probably won't help).

Yes it does - you have the filename and line number.  You go there and
read "invalidatepage".  And the backtrace identifies the filesystem.



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