linux-kernel - Re: Review status (Re: [PATCH] LogFS take three)

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Date:	Wed, 23 May 2007 19:53:41 +0400
From:	Evgeniy Polyakov <johnpol@....mipt.ru>
To:	Jörn Engel <joern@...ybastard.org>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org, akpm@...l.org,
	Albert Cahalan <acahalan@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Greg KH <greg@...ah.com>, Ingo Oeser <ioe-lkml@...eria.de>
Subject: Re: Review status (Re: [PATCH] LogFS take three)

On Wed, May 23, 2007 at 05:14:04PM +0200, Jörn Engel (joern@...ybastard.org) wrote:
> > > I'm just a German.  Forgive me if I drink lesser beverages.
> > 
> > You should definitely change that.
> 
> Change being German?  Not a bad idea, actually.

You cook up really tasty shnaps, in small quantities it is good for
health in infinite volumes.

> > Btw, what about this piece:
> > 
> > int logfs_erase_segment(struct super_block *sb, u32 index)
> > {
> > 	struct logfs_super *super = LOGFS_SUPER(sb);
> > 
> > 	super->s_gec++;
> > 
> > 	return mtderase(sb, index << super->s_segshift, super->s_segsize);
> > }
> > 
> > index << super->s_segshift might overflow, mtderase expects loff_t
> > there, since index can be arbitrary segment number, is it possible, that
> > overflow really occurs?
> 
> Indeed it is.  You just earned your second beer^Wvodka.

Actually this code looks less encrypted than ext2 for, which definitely
a good sign from reviewer's point of view.

> Jörn

-- 
	Evgeniy Polyakov
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