Hi, Vivek,
I tested the PATCH v4 for some basic hierarchical setup as I did
before. And I get the similar result.
Preparation
1) mount subsys blkio with "__DEVEL__sane_behavior"
2) Create 3 levels of directories under the blkio mount point:
mkdir 1
mkdir 1/2
mkdir 1/2/3
Hi, Vivek,
Sorry I don't have time to test them carefully this week. I'll do it
in this weekend.
The updating of nr_queued_tree level by level only happens once for
each bio. We have already the computing(and maybe queue operation)
level by level for every bio, even it's passed through without be
On Sun, Oct 20, 2013 at 08:11:12PM +0800, Hong Zhiguo wrote:
> From: Hong Zhiguo
>
> Why
>
> Pointed out by Vivek: Tokens generated during idle period should
> be trimmed. Otherwise a huge bio may be permited immediately.
> Overlimit behaviour may be observed during short I/O throughput
> te
From: Hong Zhiguo
Why
Pointed out by Vivek: Tokens generated during idle period should
be trimmed. Otherwise a huge bio may be permited immediately.
Overlimit behaviour may be observed during short I/O throughput
test.
Vivek also pointed out: We should not over-trim for hierarchical
groups.
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