linux-kernel - Re: [GIT PULL] XFS update for 2.6.29

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Message-ID: <Pine.LNX.4.64.0901021056360.14380@anakin>
Date:	Fri, 2 Jan 2009 10:57:43 +0100 (CET)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Christoph Hellwig <hch@...radead.org>
cc:	Lachlan McIlroy <lachlan@....com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	xfs@....sgi.com, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] XFS update for 2.6.29

On Thu, 1 Jan 2009, Christoph Hellwig wrote:
> On Thu, Jan 01, 2009 at 10:50:52AM +0100, Geert Uytterhoeven wrote:
> > | fs/xfs/xfs_btree.c: In function 'xfs_btree_readahead_lblock':
> > | fs/xfs/xfs_btree.c:736: warning: comparison is always true due to limited range of data type
> > | fs/xfs/xfs_btree.c:741: warning: comparison is always true due to limited range of data type
> > 
> > left/right = xfs_fsblock_t (32 or 64 bit), NULLDFSBNO = xfs_dfsbno_t (64 bit)
> 
> Hmm, can't reproduce it here with CONFIG_LBD=n on x86, but the following

x86-32 or -64?

It may also depend on the compiler version. I have gcc version 4.1.2 20061115
(prerelease) (Debian 4.1.1-21).

> patch should fix it:

Yep, the warning is good.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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