From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [RFC PATCH v1 40/40] fs: dafs: Add DAFS filesystem for metag
Date: Wed, 31 Oct 2012 16:42:38 +0000
Message-ID: <20121031164238.GJ2616@ZenIV.linux.org.uk>
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 <1351700061-7203-41-git-send-email-james.hogan@imgtec.com>
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To: James Hogan <james.hogan@imgtec.com>
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On Wed, Oct 31, 2012 at 04:14:21PM +0000, James Hogan wrote:
> +static int fserrno;

... and nothing visible serializing its users.  AFAICS, there's nothing
stopping one thread from doing this fscall thing, then deciding to check
what's in fserrno only to find that *another* thread has also done
fscall - a different one, with different results and different value
stored in fserrno.