[PATCH 03/15] mkfs: Sanitise the superblock feature macros

[Christoph Hellwig]

On Fri, Nov 29, 2013 at 12:43:38PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> They are horrible macros that simply obfuscate the code, so
> let's factor the code and make them nice functions.
> 
> To do this, add a sb_feat_args structure that carries around the
> variables rather than a strange assortment of variables. This means
> all the default can be clearly defined in a structure
> initialisation, and dependent feature bits are easy to check.

Nice clean,

Reviewed-by: Christoph Hellwig <hch at lst.de>

But one minor nitpick:

> +	bool	projid16bit;

Given that 32-bit projids are the newer feature I'd make them the
flag instead of inverting it, which is how all the other flags work.