Subject: Re: [PATCH 6/8] move dropping ->ki_eventfd into iocb_destroy()

From: Christoph Hellwig <[email-masked]>
Date: Mon, 11 Mar 2019 20:46:22 +0100

On Sun, Mar 10, 2019 at 07:08:20AM +0000, Al Viro wrote:
> From: Al Viro <[email-masked]>
> 
> Signed-off-by: Al Viro <[email-masked]>

Looks sensible, but a changelog would be nice.

>  	if (iocb->aio_flags & IOCB_FLAG_RESFD) {
> +		struct eventfd_ctx *eventfd;
>  		/*
>  		 * If the IOCB_FLAG_RESFD flag of aio_flags is set, get an
>  		 * instance of the file* now. The file descriptor must be
>  		 * an eventfd() fd, and will be signaled for each completed
>  		 * event using the eventfd_signal() function.
>  		 */
> +		eventfd = eventfd_ctx_fdget((int) iocb->aio_resfd);

I don't think there is any point in the cast in either the old or new
code.