Re: [PATCH -next] io_uring: Fix unused function warnings

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On Wed, Mar 04, 2020 at 03:53:52PM +0800, YueHaibing wrote:
> If CONFIG_NET is not set, gcc warns:
> 
> fs/io_uring.c:3110:12: warning: io_setup_async_msg defined but not used [-Wunused-function]
>  static int io_setup_async_msg(struct io_kiocb *req,
>             ^~~~~~~~~~~~~~~~~~
> 
> There are many funcions wraped by CONFIG_NET, move them
> together to simplify code, also fix this warning.
> 
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
>  fs/io_uring.c | 98 ++++++++++++++++++++++++++++++++++-------------------------
>  1 file changed, 57 insertions(+), 41 deletions(-)
> 

Since the code under the ifdef/else/endif blocks now are huge, would it make
sense to add some comments for better readability?

I mean something like this:

#if defined(CONFIG_NET)
...
#else /* !CONFIG_NET */
...
#endif /* CONFIG_NET */


Thanks,
Stefano




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