From: xtu4 <xiaobing.tu@intel.com>
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
Date: Mon, 10 Dec 2012 00:02:52 +0800 [thread overview]
Message-ID: <50C4B62C.7050404@intel.com> (raw)
In-Reply-To: <50C4B5D7.4030808@intel.com>
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;
next prev parent reply other threads:[~2012-12-09 16:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-09 16:01 [PATCH] Allow 0ms deadline latency xtu4
2012-12-09 16:02 ` xtu4 [this message]
2012-12-09 18:18 ` Jens Axboe
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