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Date: Mon, 13 Feb 2017 02:38:15 -0800
From: Christoph Hellwig <>
To: David Windsor <>
Cc: Jeff Layton <>,,,,
	Bruce Fields <>,
	Kees Cook <>,
	"Reshetova, Elena" <>
Subject: Re: [RFC][PATCH] nfsd: add +1 to reference counting scheme for
 struct nfsd4_session

On Sat, Feb 11, 2017 at 09:01:15AM -0500, David Windsor wrote:
> I'm not sure there's another way to accomplish what we need
> (initializing struct nfsd4_session objects with refcount=1) without
> also modifying the freeable reference state.  After migrating to the
> refcount_t API, if we leave init_session() as is, the first call to
> nfsd4_get_session_locked() will fail:

Which is a pretty clear indicator that this code should simply not
migrate to the recount_t API.  Why was it even considered if the
conversion is obviously broken?

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