lkml.org 
[lkml]   [2009]   [Aug]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 13/23] io-controller: Separate out queue and data
Vivek Goyal wrote:
> o So far noop, deadline and AS had one common structure called *_data which
> contained both the queue information where requests are queued and also
> common data used for scheduling. This patch breaks down this common
> structure in two parts, *_queue and *_data. This is along the lines of
> cfq where all the reuquests are queued in queue and common data and tunables
> are part of data.
>
> o It does not change the functionality but this re-organization helps once
> noop, deadline and AS are changed to use hierarchical fair queuing.
>
> o looks like queue_empty function is not required and we can check for
> q->nr_sorted in elevator layer to see if ioscheduler queues are empty or
> not.
>
> Signed-off-by: Nauman Rafique <nauman@google.com>
> Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
> Signed-off-by: Vivek Goyal <vgoyal@redhat.com>

Acked-by: Rik van Riel <riel@redhat.com>



\
 
 \ /
  Last update: 2009-08-31 17:31    [W:0.077 / U:0.112 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site