linux-kernel - Re: [PATCH v3] SUNRPC: set desired file system root before connecting local transports

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Message-ID: <20121106131018.GA12211@infradead.org>
Date:	Tue, 6 Nov 2012 08:10:18 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	"J. Bruce Fields" <bfields@...ldses.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Stanislav Kinsbursky <skinsbursky@...allels.com>,
	"Trond.Myklebust@...app.com" <Trond.Myklebust@...app.com>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...nvz.org" <devel@...nvz.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH v3] SUNRPC: set desired file system root before
 connecting local transports

On Tue, Nov 06, 2012 at 08:07:06AM -0500, J. Bruce Fields wrote:
> So you're worried that a bug in the nfs code could modify the root and
> then not restore it?

At least the link you pointed to earlier never sets it back.  Instead
of messing with it I'd rather have the sunrpc code use vfs_path_lookup
and not care about current->fs->root at all.

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