linux-kernel - Re: [PATCH] Added CONFIG_VFAT_FS

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Message-ID: <20090701110934.2f43591c@lxorguk.ukuu.org.uk>
Date:	Wed, 1 Jul 2009 11:09:34 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Pavel Machek <pavel@....cz>
Cc:	tridge@...ba.org, OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	john.lanza@...ux.com, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>,
	Steve French <sfrench@...ibm.com>,
	Mingming Cao <cmm@...ibm.com>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH] Added CONFIG_VFAT_FS_DUALNAMES option

> What happens on collision? With 60000 entries in directory, there will
> be 50% chance of collision. BAD.

Far more surely - its a birthday paradox.

> Why not use something like position in directory instead of random
> number?

Agreed 100%. I'm also not sure it should be called "vfat" when operating
in this mode as it's not vfat any more - it needs a new name.

Alan
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