NFS: Remove the unnecessary argument to nfs4_wait_clnt_recover()

...and move some code around in order to clear out an unnecessary
forward declaration.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 019c8d6..660c5dc 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -63,8 +63,6 @@ struct nfs4_opendata;
 static int _nfs4_proc_open(struct nfs4_opendata *data);
 static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
 static int nfs4_async_handle_error(struct rpc_task *, const struct nfs_server *);
-static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception);
-static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp);
 static int _nfs4_proc_lookup(struct inode *dir, const struct qstr *name, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
 static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
 
@@ -195,6 +193,80 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent
        kunmap_atomic(start, KM_USER0);
 }
 
+static int nfs4_wait_bit_killable(void *word)
+{
+       if (fatal_signal_pending(current))
+               return -ERESTARTSYS;
+       schedule();
+       return 0;
+}
+
+static int nfs4_wait_clnt_recover(struct nfs_client *clp)
+{
+       int res;
+
+       might_sleep();
+
+       rwsem_acquire(&clp->cl_sem.dep_map, 0, 0, _RET_IP_);
+
+       res = wait_on_bit(&clp->cl_state, NFS4CLNT_STATE_RECOVER,
+                       nfs4_wait_bit_killable, TASK_KILLABLE);
+
+       rwsem_release(&clp->cl_sem.dep_map, 1, _RET_IP_);
+       return res;
+}
+
+static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
+{
+       int res = 0;
+
+       might_sleep();
+
+       if (*timeout <= 0)
+               *timeout = NFS4_POLL_RETRY_MIN;
+       if (*timeout > NFS4_POLL_RETRY_MAX)
+               *timeout = NFS4_POLL_RETRY_MAX;
+       schedule_timeout_killable(*timeout);
+       if (fatal_signal_pending(current))
+               res = -ERESTARTSYS;
+       *timeout <<= 1;
+       return res;
+}
+
+/* This is the error handling routine for processes that are allowed
+ * to sleep.
+ */
+static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception)
+{
+       struct nfs_client *clp = server->nfs_client;
+       int ret = errorcode;
+
+       exception->retry = 0;
+       switch(errorcode) {
+               case 0:
+                       return 0;
+               case -NFS4ERR_STALE_CLIENTID:
+               case -NFS4ERR_STALE_STATEID:
+               case -NFS4ERR_EXPIRED:
+                       nfs4_schedule_state_recovery(clp);
+                       ret = nfs4_wait_clnt_recover(clp);
+                       if (ret == 0)
+                               exception->retry = 1;
+                       break;
+               case -NFS4ERR_FILE_OPEN:
+               case -NFS4ERR_GRACE:
+               case -NFS4ERR_DELAY:
+                       ret = nfs4_delay(server->client, &exception->timeout);
+                       if (ret != 0)
+                               break;
+               case -NFS4ERR_OLD_STATEID:
+                       exception->retry = 1;
+       }
+       /* We failed to handle the error */
+       return nfs4_map_errors(ret);
+}
+
+
 static void renew_lease(const struct nfs_server *server, unsigned long timestamp)
 {
        struct nfs_client *clp = server->nfs_client;
@@ -981,7 +1053,7 @@ static int nfs4_recover_expired_lease(struct nfs_server *server)
        int ret;
 
        for (;;) {
-               ret = nfs4_wait_clnt_recover(server->client, clp);
+               ret = nfs4_wait_clnt_recover(clp);
                if (ret != 0)
                        return ret;
                if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) &&
@@ -2799,79 +2871,6 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server)
        return 0;
 }
 
-static int nfs4_wait_bit_killable(void *word)
-{
-       if (fatal_signal_pending(current))
-               return -ERESTARTSYS;
-       schedule();
-       return 0;
-}
-
-static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp)
-{
-       int res;
-
-       might_sleep();
-
-       rwsem_acquire(&clp->cl_sem.dep_map, 0, 0, _RET_IP_);
-
-       res = wait_on_bit(&clp->cl_state, NFS4CLNT_STATE_RECOVER,
-                       nfs4_wait_bit_killable, TASK_KILLABLE);
-
-       rwsem_release(&clp->cl_sem.dep_map, 1, _RET_IP_);
-       return res;
-}
-
-static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
-{
-       int res = 0;
-
-       might_sleep();
-
-       if (*timeout <= 0)
-               *timeout = NFS4_POLL_RETRY_MIN;
-       if (*timeout > NFS4_POLL_RETRY_MAX)
-               *timeout = NFS4_POLL_RETRY_MAX;
-       schedule_timeout_killable(*timeout);
-       if (fatal_signal_pending(current))
-               res = -ERESTARTSYS;
-       *timeout <<= 1;
-       return res;
-}
-
-/* This is the error handling routine for processes that are allowed
- * to sleep.
- */
-static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception)
-{
-       struct nfs_client *clp = server->nfs_client;
-       int ret = errorcode;
-
-       exception->retry = 0;
-       switch(errorcode) {
-               case 0:
-                       return 0;
-               case -NFS4ERR_STALE_CLIENTID:
-               case -NFS4ERR_STALE_STATEID:
-               case -NFS4ERR_EXPIRED:
-                       nfs4_schedule_state_recovery(clp);
-                       ret = nfs4_wait_clnt_recover(server->client, clp);
-                       if (ret == 0)
-                               exception->retry = 1;
-                       break;
-               case -NFS4ERR_FILE_OPEN:
-               case -NFS4ERR_GRACE:
-               case -NFS4ERR_DELAY:
-                       ret = nfs4_delay(server->client, &exception->timeout);
-                       if (ret != 0)
-                               break;
-               case -NFS4ERR_OLD_STATEID:
-                       exception->retry = 1;
-       }
-       /* We failed to handle the error */
-       return nfs4_map_errors(ret);
-}
-
 int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, unsigned short port, struct rpc_cred *cred)
 {
        nfs4_verifier sc_verifier;