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Date: Fri, 14 Nov 2003 11:02:25 -0400 (AST)
From: "Marc G. Fournier" <scrappy@hub.org>
To: David Schultz <das@FreeBSD.org>
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Subject: Re: cvs commit: src/sys/fs/unionfs union_vnops.c
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Thank you, this reduces my 'list of known crash triggers' down to avoiding
the use of sockets on unionfs mounted file systems :)


On Fri, 14 Nov 2003, David Schultz wrote:

> das         2003/11/14 00:23:13 PST
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/fs/unionfs       union_vnops.c
>   Log:
>   - A sanity check in unionfs verifies that lookups of '.' return the
>     vnode of the parent.  However, this check should not be performed if
>     the lookup failed.  This change should fix "union_lookup returning
>     . not same as startdir" panics people were seeing.  The bug was
>     introduced by an incomplete import of a NetBSD delta in rev 1.38.
>   - Move the aforementioned check out from DIAGNOSTIC.  Performance
>     is the least of our unionfs worries.
>   - Minor reorganization.
>
>   PR:             53004
>   MFC after:      1 week
>
>   Revision  Changes    Path
>   1.103     +21 -27    src/sys/fs/unionfs/union_vnops.c
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