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nfsd4: cl_count is unused

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Now that the shutdown sequence guarantees callbacks are shut down before
the client is destroyed, we no longer have a use for cl_count.

We'll probably reinstate a reference count on the client some day, but
it will be held by users other than callbacks.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields
2010-03-04 11:32:59 -05:00
parent b5a1a81e5c
commit b12a05cbdf
3 changed files with 2 additions and 17 deletions
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2
fs/nfsd/state.h
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@@ -224,7 +224,6 @@ struct nfs4_client {
clientid_t cl_clientid; /* generated by server */
nfs4_verifier cl_confirm; /* generated by server */
struct nfs4_cb_conn cl_cb_conn; /* callback info */
atomic_t cl_count; /* ref count */
u32 cl_firststate; /* recovery dir creation */
/* for nfs41 */
@@ -388,7 +387,6 @@ extern void nfs4_lock_state(void);
extern void nfs4_unlock_state(void);
extern int nfs4_in_grace(void);
extern __be32 nfs4_check_open_reclaim(clientid_t *clid);
extern void put_nfs4_client(struct nfs4_client *clp);
extern void nfs4_free_stateowner(struct kref *kref);
extern int set_callback_cred(void);
extern void nfsd4_probe_callback(struct nfs4_client *clp);