linux-ext4 - Re: [PATCH 3 2/4] Return 32/64-bit dir name hash according to usage type

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Date:	Fri, 19 Aug 2011 18:29:51 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Bernd Schubert <bernd.schubert@...m.fraunhofer.de>
Cc:	linux-nfs@...r.kernel.org, linux-ext4@...r.kernel.org,
	bfields@...ldses.org, bernd.schubert@...tmail.fm,
	hch@...radead.org, adilger@...mcloud.com, yong.fan@...mcloud.com,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 3 2/4] Return 32/64-bit dir name hash according to
 usage type

On Tue, Aug 16, 2011 at 01:54:14PM +0200, Bernd Schubert wrote:
> +static inline int is_32bit_api(void)
> +{
> +#ifdef HAVE_IS_COMPAT_TASK
> +	return is_compat_task();
> +#else
> +	return (BITS_PER_LONG == 32);
> +#endif

I assume is_compat_task() is coming from another patch?  What is the
status of that change?

In the case where is_compat_task() is not defined, we can't just test
based on BITS_PER_LONG == 32, since even on an x86_64 machine, it's
possible we're running a 32-bit binary in compat mode....

	       	       	 	       	  - Ted
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