Re: [patch] inotify: add FIONREAD support

[Greg KH]

On Fri, Nov 05, 2004 at 06:14:04PM -0500, Robert Love wrote:
> John,
> 
> There are a handful of "standard" file ioctl's (FIBMAP, FIONREAD,
> FIGETBSZ, etc.).  We don't have to implement any of them, but FIONREAD
> is actually pretty useful: It tells you how many bytes are available on
> the fd.

Nice idea.

> +	case FIONREAD:
> +		bytes = dev->event_count * sizeof (struct inotify_event);
> +		return put_user(bytes, (int *) p);

But sparse will spit out warnings with code like this :(

Actually, the whole inotify patch probably isn't sparse clean...

thanks,

greg k-h
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