On Mon, Feb 06, 2012 at 10:50:44AM +0200, Artem Bityutskiy wrote:

> WRT 'sen_nlink()' - I can use it instead of 'drop_nlink()'/'inc_nlink()'
> of course. But I do not really see why is this better. E.g.,
> 'drop_nlink()' additionally gives me ' WARN_ON()' in case of 'i_nlink'
> wrapping.

So does inc_nlink() when you are asking to get from nlink=0 to nlink=1.
I.e. on failure exit in your unlink()...