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Support network namespacing in AF_RXRPC with the following changes:
(1) All the local endpoint, peer and call lists, locks, counters, etc. are
moved into the per-namespace record.
(2) All the connection tracking is moved into the per-namespace record
with the exception of the client connection ID tree, which is kept
global so that connection IDs are kept unique per-machine.
(3) Each namespace gets its own epoch. This allows each network namespace
to pretend to be a separate client machine.
(4) The /proc/net/rxrpc_xxx files are now called /proc/net/rxrpc/xxx and
the contents reflect the namespace.
fs/afs/ should be okay with this patch as it explicitly requires the current
net namespace to be init_net to permit a mount to proceed at the moment. It
will, however, need updating so that cells, IP addresses and DNS records are
per-namespace also.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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