linux-kernel - Re: [PATCH v2 00/12] make rpc_pipefs be mountable multiple time

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Message-ID: <20101230085139.GA29697@shutemov.name>
Date:	Thu, 30 Dec 2010 10:51:39 +0200
From:	"Kirill A. Shutemov" <kas@...nvz.org>
To:	Rob Landley <rob@...dley.net>
Cc:	"Kirill A. Shutemov" <kas@...nvz.org>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	Neil Brown <neilb@...e.de>,
	Pavel Emelyanov <xemul@...allels.com>,
	linux-nfs@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 00/12] make rpc_pipefs be mountable multiple time

On Wed, Dec 29, 2010 at 08:13:50PM -0600, Rob Landley wrote:
> On Wed, Dec 29, 2010 at 7:14 AM, Kirill A. Shutemov <kas@...nvz.org> wrote:
> >
> > Prepare nfs/sunrpc stack to use multiple instances of rpc_pipefs.
> > Only for client for now.
> 
> What would a test case for this look like?  (Is there some way to tell
> an nfs mount to use a specific instance of rpc_pipefs or something?)

You can create a new instance of rpc_pipefs using 'newinstance'
mountoption.

Then you can specify which rpc_pipefs to use with 'rpcmount' mountoption
of nfs mount. If none specifed, '/var/lib/nfs/rpc_pipefs' uses by default.
If no rpcmount mountoption, no rpc_pipefs was found at
'/var/lib/nfs/rpc_pipefs' and we are in init's mount namespace, we use
init_rpc_pipefs.

-- 
 Kirill A. Shutemov
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