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

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 03/15] mkfs: Sanitise the superblock feature macros
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 2 Dec 2013 02:43:02 -0800
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1385689430-10103-4-git-send-email-david@xxxxxxxxxxxxx>
References: <1385689430-10103-1-git-send-email-david@xxxxxxxxxxxxx> <1385689430-10103-4-git-send-email-david@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Fri, Nov 29, 2013 at 12:43:38PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> 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@xxxxxx>

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.

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