Re: [PATCH 1/2 v2] kref: add kref_test_and_get

[Greg KH]

On Wed, Jan 05, 2011 at 05:43:22PM +0200, Alexey Dobriyan wrote:
> On Wed, Jan 5, 2011 at 5:02 PM, Jerome Marchand <jmarchan@xxxxxxxxxx> wrote:
> > Add kref_test_and_get() function, which atomically add a reference only if
> > refcount is not zero. This prevent to add a reference to an object that is
> > already being removed.
> 
> Is kref supposed to be used only for "toy" structures where you aren't
> expected to do get possibly dead object?

Of course not, have you read the kref documentation?

{sigh}

Why do we even write these things if no one reads them...

greg k-h
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