On Mon, 2 Dec 2013 11:00:50 -0500 Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> wrote: > > On Dec 2, 2013, at 10:34, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > > On Mon, Dec 02, 2013 at 08:44:25AM -0500, Trond Myklebust wrote: > >> The lifetime of the kernel mount only needs to match that of the rpc_client, since each rpc_client is associated to a single net namespace, and each net namespace is in a 1-1 relationship with an rpc_pipefs super block. > > > > Except for the non-rpc_client users of rpc_pipefs? > > There is the idmapper pipe which is created as part of setting up a NFSv4 mount: that could either call rpc_get_mount(), or just rely on the fact that the nfs_client has an rpc_client. Ditto for the DNS resolver pipe. > > Any more? > There's the nfsdcld pipe stuff, but that was supposed to have been ripped out in 3.10. Bruce wasn't ready to do that since we didn't have a solution to the problem of using a UMH upcall in a container. As far as I'm concerned, we should go ahead and rip that out and worry about the UMH in a container problem later. Bruce, any objection to going ahead and doing that? I can respin/resend the patch to do that if you're ready for it... -- Jeff Layton <jlayton@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
