Re: [PATCH] mm: Fix a comment typo

[James Bottomley]

On Wed, 2020-03-18 at 11:42 +0800, brookxu wrote:
> Signed-off-by: Chunguang Xu <brookxu@xxxxxxxxxxx>
> 
> ---
>  mm/page-writeback.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/page-writeback.c b/mm/page-writeback.c
> index 2caf780..2acf754 100644
> --- a/mm/page-writeback.c
> +++ b/mm/page-writeback.c
> @@ -1271,7 +1271,7 @@ static void wb_update_dirty_ratelimit(struct
> dirty_throttle_control *dtc,
>       */
>  
>      /*
> -     * dirty_ratelimit will follow balanced_dirty_ratelimit iff
> +     * dirty_ratelimit will follow balanced_dirty_ratelimit if

Are you sure it's a mistake? iff means if and only if which would be
reasonable unless the condition is only implies.
 
James