On Mon, 2015-06-22 at 22:16 +0000, Hiren Panchasara wrote:
> Author: hiren
> Date: Mon Jun 22 22:16:06 2015
> New Revision: 284711
> URL: https://svnweb.freebsd.org/changeset/base/284711
> 
> Log:
>   Reverting r284710.
>   Today I learned: iff == if and only if.
>   
>   Suggested by: many
> 
> Modified:
>   head/sys/netinet/tcp_input.c
> 
> Modified: head/sys/netinet/tcp_input.c
> ==============================================================================
> --- head/sys/netinet/tcp_input.c      Mon Jun 22 21:53:55 2015        
> (r284710)
> +++ head/sys/netinet/tcp_input.c      Mon Jun 22 22:16:06 2015        
> (r284711)
> @@ -2476,7 +2476,7 @@ tcp_do_segment(struct mbuf *m, struct tc
>                                               
>                                               /*
>                                                * Compute the amount of data 
> in flight first.
> -                                              * We can inject new data into 
> the pipe if
> +                                              * We can inject new data into 
> the pipe iff 
>                                                * we have less than 1/2 the 
> original window's
>                                                * worth of data in flight.
>                                                */
> 

I think this is a bad idea.  "iff" means "if and only if" in mathematics
and formal logic.  Comments are written in English.

-- Ian


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