linux-kernel - Re: [patch 1/3] add the fsblock layer

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Message-Id: <1182716322.6819.3.camel@laptopd505.fenrus.org>
Date:	Sun, 24 Jun 2007 13:18:42 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Nick Piggin <npiggin@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [patch 1/3] add the fsblock layer


> Hmm, could define a macro DECLARE_ATOMIC_BITMAP(maxbit) that expands to the smallest
> possible type for each architecture. And a couple of ugly casts for set_bit et.al.
> but those could be also hidden in macros. Should be relatively easy to do.

or make a "smallbit" type that is small/supported, so 64 bit if 32 bit
isn't supported, otherwise 32


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