Re: ext3 duplicate entries with readdir

[Mike Snitzer]

On Tue, Mar 3, 2009 at 3:05 PM, Andries E. Brouwer
<Andries.Brouwer@xxxxxx> wrote:
> In a largish directory (21292 files) a scan using ext3 readdir
> found 21293 files, returning one entry twice.
>
> Google "ext3 readdir twice" gives me a handful of identical complaints.
> I see reports from 2002-2008.
> So, this is an old and well-known symptom but seemingly still not fixed,
> at least not in the kernel on this machine here.
> This report is for Fedora release 8 (Werewolf) with kernel 2.6.24.5.
>
> A 2002 post says "This is unfortunate, but the chances of our hitting
> this failure are relatively small".
>
> In http://www.redhat.com/archives/ext3-users/2008-August/msg00009.html
> tytso seems to understand what happens: a hash collision.
> But has this been fixed in the current tree?

Yes, it has been fixed, please see the following git commits:
6a897cf447a83c9c3fd1b85a1e525c02d6eada7d
8c9fa93d51123c5540762b1a9e1919d6f9c4af7c

Mike
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