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nfsd41: Backchannel: Server backchannel RPC wait queue

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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>
This commit is contained in:
Ricardo Labiaga 2009-09-10 12:26:25 +03:00 • committed by J. Bruce Fields
parent 132f97715c
commit 199ff35e1c
2 changed files with 6 additions and 0 deletions
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4
include/linux/nfsd/state.h
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@ -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