Re: [PATCH] Allow 0ms deadline latency

[xtu4]

re-send it
On 12/10/2012 12:01 AM, xtu4 wrote:
> Subject: [PATCH] Allow 0ms deadline latency, increase the read speed
>
> Signed-off-by: xiaobing tu <xiaobing.tu@xxxxxxxxx>
> ---
> block/deadline-iosched.c |    2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c
> index c644137..e502d6b 100644
> --- a/block/deadline-iosched.c
> +++ b/block/deadline-iosched.c
> @@ -230,7 +230,7 @@ static inline int deadline_check_fifo(struct 
> deadline_data *dd, int ddir)
>        /*
>         * rq is expired!
>         */
> -       if (time_after(jiffies, rq_fifo_time(rq)))
> +       if (time_after_eq(jiffies, rq_fifo_time(rq)))
>                return 1;
>
>         return 0;

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