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Message-ID: <50C4B62C.7050404@intel.com>
Date: Mon, 10 Dec 2012 00:02:52 +0800
From: xtu4 <xiaobing.tu@intel.com>
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To: xtu4 <xiaobing.tu@intel.com>
CC: linux-kernel@vger.kernel.org, axboe@kernel.dk, di.zhang@intel.com
Subject: Re: [PATCH] Allow 0ms deadline latency
References: <50C4B5D7.4030808@intel.com>
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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@intel.com>
> ---
> 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;