Re: [PATCH v8 7/9] dax: add dax holder helper for filesystems

[Shiyang Ruan]

在 2021/12/14 23:47, Christoph Hellwig 写道:
> On Thu, Dec 02, 2021 at 04:48:54PM +0800, Shiyang Ruan wrote:
> > Add these helper functions, and export them for filesystem use.
>
> What is the point of adding these wrappers vs just calling the
> underlying functions?

I added them so that they can be called in a friendly way, even if 
CONFIG_DAX is off.  Otherwise, we need #if IS_ENABLED(CONFIG_DAX) to 
wrap them where they are called.


--
Thanks,
Ruan.