From: Al Viro <viro@ZenIV.linux.org.uk>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Stanislav Kinsbursky <skinsbursky@parallels.com>,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
devel@openvz.org
Subject: Re: [Devel] [PATCH 2/6] nfsd: swap fs root in NFSd kthreads
Date: Tue, 11 Dec 2012 14:58:58 +0000 [thread overview]
Message-ID: <20121211145858.GI4939@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20121211145621.GA3336@fieldses.org>
On Tue, Dec 11, 2012 at 09:56:21AM -0500, J. Bruce Fields wrote:
> That looks simpler, but I still don't understand why we need it.
>
> I'm confused about how d_path works; I would have thought that
> filesystem namespaces would have their own vfsmount trees and hence that
> the (vfsmount, dentry) would be enough to specify the path. Is the root
> argument for the case of chroot? Do we care about that?
__d_path() is relative pathname from here to there. Whether (and what for)
is it wanted in case of nfsd patches is a separate question...
> Also, svc_export_request is called from mountd's read of
> /proc/net/rpc/nfsd.export/channel. If mountd's root is wrong, then
> nothing's going to work anyway.
next prev parent reply other threads:[~2012-12-11 14:59 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-06 15:34 [PATCH 0/6] nfsd: make is works in a container Stanislav Kinsbursky
2012-12-06 15:34 ` [PATCH 1/6] nfsd: pass proper net to nfsd_destroy() from NFSd kthreads Stanislav Kinsbursky
2012-12-06 15:34 ` [PATCH 2/6] nfsd: swap fs root in " Stanislav Kinsbursky
2012-12-10 20:28 ` J. Bruce Fields
2012-12-11 14:00 ` Stanislav Kinsbursky
2012-12-11 14:12 ` [Devel] " Stanislav Kinsbursky
2012-12-11 14:51 ` Stanislav Kinsbursky
2012-12-11 14:56 ` J. Bruce Fields
2012-12-11 14:58 ` Al Viro [this message]
2012-12-11 15:07 ` Stanislav Kinsbursky
2012-12-11 15:20 ` J. Bruce Fields
2012-12-11 15:35 ` J. Bruce Fields
2012-12-12 7:45 ` Stanislav Kinsbursky
2013-01-11 14:56 ` Stanislav Kinsbursky
2013-01-11 17:03 ` J. Bruce Fields
2013-01-11 17:20 ` J. Bruce Fields
2013-01-14 6:17 ` Stanislav Kinsbursky
2013-01-14 6:08 ` Stanislav Kinsbursky
2012-12-11 14:54 ` Al Viro
2012-12-11 14:57 ` Stanislav Kinsbursky
2012-12-06 15:34 ` [PATCH 3/6] nfsd: make containerise NFSd filesystem Stanislav Kinsbursky
2012-12-06 15:34 ` [PATCH 4/6] nfsd: use proper net while reading "exports" file Stanislav Kinsbursky
2012-12-06 15:35 ` [PATCH 5/6] nfsd: disable usermode helper client tracker in container Stanislav Kinsbursky
2012-12-06 15:35 ` [PATCH 6/6] nfsd: enable NFSv4 state in containers Stanislav Kinsbursky
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