Re: [REVIEW] Prevent direct I/O from mapping extents beyond eof

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Fri, Aug 15, 2008 at 03:27:56PM -0700, Andrew Morton wrote:
> Oh gee, I forget, and so many people have done drivebys on that code...
> 
> We _could_ add additional i_size checking into direct-io.c but bear in
> mind that it would be best-effort unreliable stuff.  The code will
> still be tripped up by concurrent extends and concurrent truncates.
> 
> So we'll still end up calling the fs for blocks outside i_size, only
> less commonly.  I think.

Yeah, guess we should put in this patch then.
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