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SubjectRe: [PATCH 00/12] make rpc_pipefs be mountable multiple times
On Wed, Dec 22, 2010 at 01:32:15AM +0200, Kirill A. Shutemov wrote:
> On Mon, Dec 20, 2010 at 09:46:44AM -0500, J. Bruce Fields wrote:
> > By the way, was there ever a resolution to Trond's question?:
> >
> >
> >
> > "The keyring upcalls are currently initiated through the same
> > mechanism as module_request and therefore get started with the
> > init_nsproxy namespace. We'd really like them to run inside the
> > same container as the process. As part of the same problem,
> > there is the issue of what to do with the dns resolver and
> > Bryan's new keyring based idmapper code."
> I'm not sure that I understand the problem correctly.
> Currently, idmap uses dentry taken from client's cl_rpcclient->cl_path
> (see nfs_idmap_new()). cl_rpcclient (and cl_path) is initialized with
> rpcmount resolved against mount namespace of mount process (see
> nfs_create_rpc_client()).
> I assume it's correct.

There's actually two separate sets of idmapper code; look at
fs/nfs/idmapper.c, the first part of the file (between #ifdef
CONFIG_NFS_USE_NEW_IDMAPPER and #else) is idmapping code that uses
request_key(). The code you're looking at (including nfs_idmap_new())
is later in the file, and deprecated.


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