linux-kernel - Re: [PATCH] xfs: do not pass unused params to xfs_flush

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Date:	Mon, 21 Apr 2008 22:15:56 -0500
From:	Eric Sandeen <sandeen@...deen.net>
To:	Denys Vlasenko <vda.linux@...glemail.com>
CC:	David Chinner <dgc@....com>, Adrian Bunk <bunk@...nel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Shawn Bohrer <shawn.bohrer@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] xfs: do not pass unused params to xfs_flush_pages

Denys Vlasenko wrote:
> Hi David,
> 
> xfs_flush_pages() does not use some of its parameters, namely:
> first, last and fiops.
> 
> This patch removes these parameters from all callsites.
> 
> Code size difference on 32-bit x86:
> 
>    text    data     bss     dec     hex filename
>  390739    2748    1708  395195   607bb linux-2.6-xfs1-TEST/fs/xfs/xfs.o
>  390567    2748    1708  395023   6070f linux-2.6-xfs2-TEST/fs/xfs/xfs.o
> 
> Compile-tested only.

FWIW this one actually does not seem to reduce stack usage anywhere.

-Eric
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