Re: [PATCH] btrfs: fix __ucmpdi2 compile bug on 32 bit builds

[Kyle McMartin]

On Sat, Mar 28, 2009 at 01:16:26AM +1100, Stephen Rothwell wrote:
> > -		switch (em->block_start) {
> > -		case EXTENT_MAP_LAST_BYTE:
> > +		if (em->block_start == EXTENT_MAP_LAST_BYTE) {
> 
> I might be a good idea to put a comment there about why this isn't a
> switch statement so that someone doesn't "clean up" this code in the
> future.
> 

nrrrgh. Remind me why we can't just add the libgcc helpers?

Unless we plan on growing some more of these, surely we can just reduce
it to a u32 for the switch...

regards, Kyle
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