nfsd4: move callback setup into session init code
The backchannel should be associated with a session, it isn't really
global to the client.
We do, however, want a pointer global to the client which tracks which
session we're currently using for client-based callbacks.
This is a first step in that direction; for now, just reshuffling of
code with no significant change in behavior.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 8d5e237..6e63c1d 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -234,6 +234,7 @@
u32 cl_cb_ident;
atomic_t cl_cb_set;
struct nfsd4_callback cl_cb_null;
+ struct nfsd4_session *cl_cb_session;
/* for all client information that callback code might need: */
spinlock_t cl_lock;
