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authorRicardo Labiaga <Ricardo.Labiaga@netapp.com>2009-09-10 13:26:25 +0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-09-16 04:49:55 +0400
commit199ff35e1c8724871e157c2e48556c2794946e82 (patch)
tree18bcf50bef1ad405013e4da1c1d76c9d153f153a /include/linux/nfsd
parent132f97715c098393fb8de3c26b07b9fdbd2334f1 (diff)
downloadlinux-199ff35e1c8724871e157c2e48556c2794946e82.tar.xz
nfsd41: Backchannel: Server backchannel RPC wait queue
RPC callback requests will wait on this wait queue if the backchannel is out of slots. Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'include/linux/nfsd')
-rw-r--r--include/linux/nfsd/state.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 0e5b5aecde03..9cc40a137c34 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -219,7 +219,11 @@ struct nfs4_client {
struct nfs4_sessionid cl_sessionid;
/* for nfs41 callbacks */
+ /* We currently support a single back channel with a single slot */
+ unsigned long cl_cb_slot_busy;
struct svc_xprt *cl_cb_xprt; /* 4.1 callback transport */
+ struct rpc_wait_queue cl_cb_waitq; /* backchannel callers may */
+ /* wait here for slots */
};
/* struct nfs4_client_reset