linux-kernel - Re: [PATCH net 1/3] kref: add kref_sub

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Message-Id: <20140214.001004.838095636844604151.davem@davemloft.net>
Date:	Fri, 14 Feb 2014 00:10:04 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	gregkh@...uxfoundation.org
Cc:	mst@...hat.com, linux-kernel@...r.kernel.org, jasowang@...hat.com,
	virtio-dev@...ts.oasis-open.org,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
	qinchuanyu@...wei.com, joern@...fs.org, anatol.pomozov@...il.com,
	nab@...ux-iscsi.org
Subject: Re: [PATCH net 1/3] kref: add kref_sub_return

From: Greg KH <gregkh@...uxfoundation.org>
Date: Thu, 13 Feb 2014 16:03:20 -0800

> So how about just "open coding" a kref for this structure, as it wants
> something that doesn't fit into the kref model, and should be pretty
> simple to do (you can ensure you get the locking right, unlike almost
> all users of krefs, as Al Viro constantly points out to me...)

They redid their patches meanwhile to use their own atomic_t.
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