NFS: Fix NFS4 callback up/down prototypes
Make the nfs_callback_up()/down() prototypes just do nothing if NFS4 is not enabled. Also make the down function void type since we can't really do anything if it fails. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -149,10 +149,8 @@ out_err:
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/*
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* Kill the server process if it is not already up.
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*/
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int nfs_callback_down(void)
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void nfs_callback_down(void)
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{
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int ret = 0;
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lock_kernel();
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mutex_lock(&nfs_callback_mutex);
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nfs_callback_info.users--;
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@ -164,7 +162,6 @@ int nfs_callback_down(void)
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} while (wait_for_completion_timeout(&nfs_callback_info.stopped, 5*HZ) == 0);
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mutex_unlock(&nfs_callback_mutex);
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unlock_kernel();
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return ret;
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}
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static int nfs_callback_authenticate(struct svc_rqst *rqstp)
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@ -62,8 +62,13 @@ struct cb_recallargs {
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extern unsigned nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res);
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extern unsigned nfs4_callback_recall(struct cb_recallargs *args, void *dummy);
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#ifdef CONFIG_NFS_V4
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extern int nfs_callback_up(void);
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extern int nfs_callback_down(void);
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extern void nfs_callback_down(void);
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#else
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#define nfs_callback_up() (0)
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#define nfs_callback_down() do {} while(0)
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#endif
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extern unsigned int nfs_callback_set_tcpport;
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extern unsigned short nfs_callback_tcpport;
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