Re: [PATCH 1/1] net/hyperv: Add flow control based on hi/low watermark

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


On Tue, Mar 27, 2012 at 03:23:07PM -0700, Haiyang Zhang wrote:
> --- a/include/linux/hyperv.h
> +++ b/include/linux/hyperv.h
> @@ -274,6 +274,35 @@ struct hv_ring_buffer_debug_info {
>  	u32 bytes_avail_towrite;
>  };
>  
> +/* Amount of space to write to */
> +#define BYTES_AVAIL_TO_WRITE(r, w, z) \
> +	(((w) >= (r)) ? ((z) - ((w) - (r))) : ((r) - (w)))
> +

That's a very bad #define to use in a .h file, please do not do that.

> +
> +/*
> + *
> + * hv_get_ringbuffer_availbytes()
> + *
> + * Get number of bytes available to read and to write to
> + * for the specified ring buffer
> + */
> +extern inline void
> +hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info *rbi,
> +			  u32 *read, u32 *write)

What does "extern inline" mean?

Please fix.

greg k-h
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/devel


[Video for Linux]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Photos]     [Yosemite Photos]     [Free Singles Community]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Devices]     [Yosemite Backpacking]

Add to Google Powered by Linux