linux-kernel - Re: [Q] missing unused dentry in prune

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Message-ID: <453F6D90.4060106@sw.ru>
Date:	Wed, 25 Oct 2006 17:58:40 +0400
From:	Vasily Averin <vvs@...ru>
To:	David Howells <dhowells@...hat.com>
CC:	Neil Brown <neilb@...e.de>, Jan Blunck <jblunck@...e.de>,
	Olaf Hering <olh@...e.de>, Balbir Singh <balbir@...ibm.com>,
	Kirill Korotaev <dev@...nvz.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devel@...nvz.org, Andrew Morton <akpm@...l.org>
Subject: Re: [Q] missing unused dentry in prune_dcache()?

David Howells wrote:
> Vasily Averin <vvs@...ru> wrote:
>> The patch adds this dentry into tail of the dentry_unused list.
> 
> I think that's reasonable.  I wonder if we can avoid removing it from the list
> in the first place, but I suspect it's less optimal.

Could you please explain this place in details, I do not understand why tail of
the list is better than head.
Also I do not understand why we should go to out in this case. Why we cannot use
next dentry in the list instead?

> Acked-By: David Howells <dhowells@...hat.com>


Thank you,
	Vasily Averin
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