linux-kernel - Re: [PATCH 1/2] AFS: Fix interminable loop in afs_write_back_from_locked

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Message-ID: <11025.1178877817@redhat.com>
Date:	Fri, 11 May 2007 11:03:37 +0100
From:	David Howells <dhowells@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 1/2] AFS: Fix interminable loop in afs_write_back_from_locked_page()

Andrew Morton <akpm@...ux-foundation.org> wrote:

> Yes, it's a shame that there doesn't seem to be a fine-grained way of
> turning on -W's useful bits.

You can turn off -W's undesirable bits.  For net/rxrpc/ and fs/afs/ at least,
adding:

	CFLAGS += -W -Wno-unused-parameter

to the Makefile generates no warnings.  Perhaps this should be added to the
master Makefile.

Adding -Wsign-compare finds some stuff that I will fix.  It also finds some
stuff in the main and the networking headers.  This is a really useful option
and found some tricky bugs in CacheFiles.  I would endorse adding this
generally too.

David
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