[sheepdog] [PATCH 1/9] add forward error correction for erasure code

[MORITA Kazutaka]

At Thu, 19 Sep 2013 18:42:45 +0800,
Liu Yuan wrote:
> 
> +
> +#define SWAP(a, b, t) { t tmp; tmp = a; a = b; b = tmp; }
> +

I think this should be moved to util.h.  In addition we can remove 't'
from the arguments since we can get the type with typeof(a).

Thanks,

Kazutaka