linux-kernel - Re: [RFC][PATCH] introduce SIZE

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Message-Id: <B2B99C3B-C1F5-4D7B-B73F-B64F296D23B6@gmail.com>
Date:	Fri, 20 Apr 2012 22:59:28 -0400
From:	Xi Wang <xi.wang@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Alex Elder <elder@...amhost.com>,
	David Airlie <airlied@...ux.ie>,
	Pekka Enberg <penberg@...nel.org>
Subject: Re: [RFC][PATCH] introduce SIZE_MAX

On Apr 20, 2012, at 7:03 PM, Andrew Morton wrote:

> Will we need something for ssize_t also?

Did you mean something like SSIZE_MAX for replacing LONG_MAX?  That's
a good question since we have ssize_t.

I tried to grep `LONG_MAX' and `size'.  The only place I have found
so far is the following:

fs/xfs/xfs_aops.c:1247, in __xfs_get_blocks()

	if (mapping_size > LONG_MAX)
		mapping_size = LONG_MAX;

	bh_result->b_size = mapping_size;

Not sure if SSIZE_MAX works better here (`b_size' is size_t).

- xi
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