Re: [PATCH v3 1/8] swap: Add comments to lock_cluster_or_swap_info()

[Christoph Hellwig]

On Thu, Jul 19, 2018 at 04:48:35PM +0800, Huang Ying wrote:
> +/*
> + * Determine the locking method in use for this device.  Return
> + * swap_cluster_info if SSD-style cluster-based locking is in place.
> + */
>  static inline struct swap_cluster_info *lock_cluster_or_swap_info(
>  	struct swap_info_struct *si,
>  	unsigned long offset)
>  {
>  	struct swap_cluster_info *ci;
>  
> +	/* Try to use fine-grained SSD-style locking if available: */

Once you touch this are can you also please use standard two-tab
alignment for the spill-over function arguments:

static inline struct swap_cluster_info *lock_cluster_or_swap_info(
		struct swap_info_struct *si, unsigned long offset)