Re: [PATCH] real_lookup fix

Andrew Morton (akpm@digeo.com)
Fri, 28 Mar 2003 02:51:31 -0800

Maneesh Soni <maneesh@in.ibm.com> wrote:
>
> Hi Andrew,
>
> Here is a patch to use seqlock for real_lookup race with d_lookup as suggested
> by Linus. The race condition can result in duplicate dentry when d_lookup
> fails due concurrent d_move in some unrelated directory.

I was not aware of this race. Could you please explain it in more detail?

Thanks.
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