linux-kernel - Re: [PATCH 01/45] Create a dynamically sized pool of threads for doing very slow work items [ver #41]

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Message-ID: <10451.1229687061@redhat.com>
Date:	Fri, 19 Dec 2008 11:44:21 +0000
From:	David Howells <dhowells@...hat.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	dhowells@...hat.com, trond.myklebust@....uio.no,
	viro@...IV.linux.org.uk, nfsv4@...ux-nfs.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 01/45] Create a dynamically sized pool of threads for doing very slow work items [ver #41]

Serge E. Hallyn <serue@...ibm.com> wrote:

> > +	set_user_nice(current, -5);
> 
> Just curious - why -5?

Actually, that's entirely arbitrary.  I should probably make it configurable.

> Whenever it is actually running you'd like it to have slightly higher
> priority than ordinary user tasks?

It's normally performing I/O on behalf of other tasks.  I'm not sure what the
best way to prioritise it is.

David
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