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Date: Mon, 26 Sep 2005 17:46:03 +0100
From: Al Viro <viro@ftp.linux.org.uk>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Anton Altaparmakov <aia21@cam.ac.uk>, linux-kernel@vger.kernel.org,
       linux-ntfs-dev@lists.sourceforge.net
Subject: Re: [PATCH 1/4] NTFS: Fix sparse warnings that have crept in over time.
Message-ID: <20050926164603.GQ7992@ftp.linux.org.uk>
References: <Pine.LNX.4.60.0509261427520.32257@hermes-1.csi.cam.ac.uk> <Pine.LNX.4.60.0509261431270.32257@hermes-1.csi.cam.ac.uk> <Pine.LNX.4.58.0509260746130.3308@g5.osdl.org> <Pine.LNX.4.60.0509261654550.29344@hermes-1.csi.cam.ac.uk> <Pine.LNX.4.58.0509260926160.3308@g5.osdl.org>
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On Mon, Sep 26, 2005 at 09:41:14AM -0700, Linus Torvalds wrote:
> Yes, and sparse will actually conform to gcc behaviour. I think we had a 
> warning about it, but it's sadly quite common in the kernel ;p
 
No, they are not.  unsigned _is_ common (mostly from 1U<<31).  Going
beyond 32 bits is done in a handful of cases, NTFS ones being at least
half of the entire pile.