From: Namjae Jeon <linkinjeon@gmail.com>
To: Shaohua Li <shaohua.li@intel.com>
Cc: linux-kernel@vger.kernel.org, axboe@kernel.dk, vgoyal@redhat.com,
jmoyer@redhat.com
Subject: Re: [RFC 2/3]block: FIOPS ioscheduler core
Date: Fri, 6 Jan 2012 15:05:07 +0900 [thread overview]
Message-ID: <CAKYAXd-z0toe1rCUvaYBEqvTSwbRtE_9iCZGuvwU4nJm0SP27A@mail.gmail.com> (raw)
In-Reply-To: <20120104065454.155836791@sli10-conroe.sh.intel.com>
> ===================================================================
> --- linux.orig/block/Kconfig.iosched 2011-12-28 09:42:18.000000000 +0800
> +++ linux/block/Kconfig.iosched 2012-01-04 13:58:35.000000000 +0800
> @@ -43,6 +43,14 @@ config CFQ_GROUP_IOSCHED
> ---help---
> Enable group IO scheduling in CFQ.
>
> +config IOSCHED_FIOPS
> + tristate "IOPS based I/O scheduler"
> + default y
> + ---help---
> + This is an IOPS based I/O scheduler. It will try to distribute
> + IOPS equally among all processes in the system. It's mainly for
> + Flash based storage.
> +
> choice
> prompt "Default I/O scheduler"
> default DEFAULT_CFQ
Hi.
Is below code needed ?
choice
prompt "Default I/O scheduler"
default DEFAULT_CFQ
help
Select the I/O scheduler which will be used by default for all
block devices.
config DEFAULT_DEADLINE
bool "Deadline" if IOSCHED_DEADLINE=y
config DEFAULT_CFQ
bool "CFQ" if IOSCHED_CFQ=y
+ config DEFAULT_FIOPS
+ bool "FIOPS" if IOSCHED_FIOPS=y
config DEFAULT_NOOP
bool "No-op"
config DEFAULT_IOSCHED
string
default "deadline" if DEFAULT_DEADLINE
default "cfq" if DEFAULT_CFQ
default "noop" if DEFAULT_NOOP
+ default "fiops" if DEFAULT_FIOPS
next prev parent reply other threads:[~2012-01-06 6:05 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-04 6:53 [RFC 0/3]block: An IOPS based ioscheduler Shaohua Li
2012-01-04 6:53 ` [RFC 1/3]block: seperate CFQ io context management code Shaohua Li
2012-01-04 8:19 ` Namhyung Kim
2012-01-04 6:53 ` [RFC 2/3]block: FIOPS ioscheduler core Shaohua Li
2012-01-06 6:05 ` Namjae Jeon [this message]
2012-01-07 1:06 ` Zhu Yanhai
2012-01-04 6:53 ` [RFC 3/3]block: fiops read/write request scale Shaohua Li
2012-01-04 7:19 ` [RFC 0/3]block: An IOPS based ioscheduler Dave Chinner
2012-01-05 6:50 ` Shaohua Li
2012-01-06 5:12 ` Shaohua Li
2012-01-06 9:10 ` Namhyung Kim
2012-01-06 14:37 ` Jan Kara
2012-01-09 1:26 ` Shaohua Li
2012-01-15 22:32 ` Vivek Goyal
2012-01-08 22:16 ` Dave Chinner
2012-01-09 1:09 ` Shaohua Li
2012-01-15 22:45 ` Vivek Goyal
2012-01-16 4:36 ` Shaohua Li
2012-01-16 7:11 ` Vivek Goyal
2012-01-16 7:55 ` Shaohua Li
2012-01-16 8:29 ` Vivek Goyal
2012-01-17 1:06 ` Shaohua Li
2012-01-17 9:02 ` Vivek Goyal
2012-01-18 1:20 ` Shaohua Li
2012-01-18 13:04 ` Vivek Goyal
2012-01-19 1:21 ` Shaohua Li
2012-01-15 22:28 ` Vivek Goyal
2012-01-06 9:41 ` Zhu Yanhai
2012-01-15 22:24 ` Vivek Goyal
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