linux-kernel - Re: CONFIG_VFAT_FS

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Message-ID: <20090721103158.GG4133@elf.ucw.cz>
Date:	Tue, 21 Jul 2009 12:31:59 +0200
From:	Pavel Machek <pavel@....cz>
To:	Boaz Harrosh <bharrosh@...asas.com>
Cc:	tridge@...ba.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Martin Steigerwald <Martin@...htvoll.de>,
	Jan Engelhardt <jengelh@...ozas.de>,
	Theodore Tso <tytso@....edu>,
	Rusty Russell <rusty@...tcorp.com.au>, john.lanza@...ux.com,
	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	linux-fsdevel@...r.kernel.org,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>, corbet@....net,
	jcm@...masters.org, torvalds@...ux-foundation.org
Subject: Re: CONFIG_VFAT_FS_DUALNAMES regressions


> >   - Similarly, there is a small chance that chkdsk on Windows will
> >     rename one file in a directory if they happen to have the same 11
> >     byte dummy values. The probability of this happening is
> >     approximately 80x lower than with the previous patch.
> > 
> 
> What if we had a user mode utility that does these short-names
> renames that a user can optionally run after umount? since it
> only writes the (random) short-names it's also safe.

Actually, why not having dosfsck creating _matching_ short names for
long names? As it only writes short names, it should be safe :-).
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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