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nfsd4: keep finer-grained callback status

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Distinguish between when the callback channel is known to be down, and
when it is not yet confirmed.  This will be useful in the 4.1 case.

Also, we don't seem to be using the fact that this field is atomic.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields
2010-04-30 18:51:44 -04:00
committed by J. Bruce Fields
parent f0418aa4b1
commit 77a3569d6c
3 changed files with 22 additions and 17 deletions
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5
fs/nfsd/state.h
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@ -242,7 +242,10 @@ struct nfs4_client {
unsigned long cl_cb_flags;
struct rpc_clnt *cl_cb_client;
u32 cl_cb_ident;
atomic_t cl_cb_set;
#define NFSD4_CB_UP 0
#define NFSD4_CB_UNKNOWN 1
#define NFSD4_CB_DOWN 2
int cl_cb_state;
struct nfsd4_callback cl_cb_null;
struct nfsd4_session *cl_cb_session;