linux-kernel - Re: [PATCH v2 0/6] SUNRPC: rework cache upcall to avoid NFSd root

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Message-ID: <51109A64.8010904@parallels.com>
Date:	Tue, 5 Feb 2013 09:36:36 +0400
From:	Stanislav Kinsbursky <skinsbursky@...allels.com>
To:	"J. Bruce Fields" <bfields@...ldses.org>,
	<linux-nfs@...r.kernel.org>
CC:	<Trond.Myklebust@...app.com>, <linux-kernel@...r.kernel.org>,
	<devel@...nvz.org>
Subject: Re: [PATCH v2 0/6] SUNRPC: rework cache upcall to avoid NFSd root

04.02.2013 18:17, J. Bruce Fields пишет:
> On Mon, Feb 04, 2013 at 02:02:29PM +0300, Stanislav Kinsbursky wrote:
>> swapping
>>
>> The main idea of this patch set is to call cache request not on kthread
>> upcall, but on userspace daemon cache_read call. This fixes the problem with
>> gaining of wrong dentry path after calling d_path() in kthread root context
>> (svc_export_request() callback), which always work in init root context, but
>> containers can work in "root jail" - i.e. have it's own nested root.
>>
>> v2:
>> 1) NFS DNS cache update wasn't done in the firest version. So this patch set
>> does preparation cleanup of the NFS DNS cache routines.
>> 2) Also, this patch set doesn't remove cache_upcall helper anymore, because
>> it's still required for NFS DNS cache.
>
> Argh--I really prefer incremental patches once I've already committed
> something, but OK.
>

Sorry. I was thinking about incremental patches. Next time I'll do so.

> Backing out the old patches, I'll take a look at these.  The first two
> should probably get an ACK from Trond.
>

Trond, could you review first two patches, please?
They are just clean-ups, actually. Nothing special. Required to unify the interfaces for latter patches in the series.

-- 
Best regards,
Stanislav Kinsbursky
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