NFS: Remove nfs4_wait_for_completion_rpc_task()

index fba6d108179b..e2f5407a66d1 100644
@@ -1313,14 +1313,6 @@ static void nfs4_opendata_put(struct nfs4_opendata *p)
 		kref_put(&p->kref, nfs4_opendata_free);
 }
 
-static int nfs4_wait_for_completion_rpc_task(struct rpc_task *task)
-{
-	int ret;
-
-	ret = rpc_wait_for_completion_task(task);
-	return ret;
-}
-
 static bool nfs4_mode_match_open_stateid(struct nfs4_state *state,
 		fmode_t fmode)
 {

@@ -2107,7 +2099,7 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data)
 	task = rpc_run_task(&task_setup_data);
 	if (IS_ERR(task))
 		return PTR_ERR(task);
-	status = nfs4_wait_for_completion_rpc_task(task);
+	status = rpc_wait_for_completion_task(task);
 	if (status != 0) {
 		data->cancelled = 1;
 		smp_wmb();

@@ -2274,7 +2266,7 @@ static int nfs4_run_open_task(struct nfs4_opendata *data, int isrecover)
 	task = rpc_run_task(&task_setup_data);
         if (IS_ERR(task))
                 return PTR_ERR(task);
-        status = nfs4_wait_for_completion_rpc_task(task);
+        status = rpc_wait_for_completion_task(task);
         if (status != 0) {
                 data->cancelled = 1;
                 smp_wmb();

@@ -5791,7 +5783,7 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co
 		return PTR_ERR(task);
 	if (!issync)
 		goto out;
-	status = nfs4_wait_for_completion_rpc_task(task);
+	status = rpc_wait_for_completion_task(task);
 	if (status != 0)
 		goto out;
 	status = data->rpc_status;

@@ -6061,7 +6053,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
 	status = PTR_ERR(task);
 	if (IS_ERR(task))
 		goto out;
-	status = nfs4_wait_for_completion_rpc_task(task);
+	status = rpc_wait_for_completion_task(task);
 	rpc_put_task(task);
 out:
 	request->fl_flags = fl_flags;

@@ -6290,7 +6282,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
 	task = rpc_run_task(&task_setup_data);
 	if (IS_ERR(task))
 		return PTR_ERR(task);
-	ret = nfs4_wait_for_completion_rpc_task(task);
+	ret = rpc_wait_for_completion_task(task);
 	if (ret == 0) {
 		ret = data->rpc_status;
 		if (ret)

@@ -8358,7 +8350,7 @@ static int nfs41_proc_reclaim_complete(struct nfs_client *clp,
 		status = PTR_ERR(task);
 		goto out;
 	}
-	status = nfs4_wait_for_completion_rpc_task(task);
+	status = rpc_wait_for_completion_task(task);
 	if (status == 0)
 		status = task->tk_status;
 	rpc_put_task(task);

@@ -8590,7 +8582,7 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout, gfp_t gfp_flags)
 	task = rpc_run_task(&task_setup_data);
 	if (IS_ERR(task))
 		return ERR_CAST(task);
-	status = nfs4_wait_for_completion_rpc_task(task);
+	status = rpc_wait_for_completion_task(task);
 	if (status == 0) {
 		status = nfs4_layoutget_handle_exception(task, lgp, &exception);
 		*timeout = exception.timeout;

index e2f5407a66d1..ea79ed565a96 100644
@@ -2264,15 +2264,15 @@ static int nfs4_run_open_task(struct nfs4_opendata *data, int isrecover)
 		data->is_recover = 1;
 	}
 	task = rpc_run_task(&task_setup_data);
-        if (IS_ERR(task))
-                return PTR_ERR(task);
-        status = rpc_wait_for_completion_task(task);
-        if (status != 0) {
-                data->cancelled = 1;
-                smp_wmb();
-        } else
-                status = data->rpc_status;
-        rpc_put_task(task);
+	if (IS_ERR(task))
+		return PTR_ERR(task);
+	status = rpc_wait_for_completion_task(task);
+	if (status != 0) {
+		data->cancelled = 1;
+		smp_wmb();
+	} else
+		status = data->rpc_status;
+	rpc_put_task(task);
 
 	return status;
 }

@@ -2281,7 +2281,7 @@ static int _nfs4_recover_proc_open(struct nfs4_opendata *data)
 {
 	struct inode *dir = d_inode(data->dir);
 	struct nfs_openres *o_res = &data->o_res;
-        int status;
+	int status;
 
 	status = nfs4_run_open_task(data, 1);
 	if (status != 0 || !data->rpc_done)

@@ -2912,12 +2912,12 @@ static int _nfs4_do_setattr(struct inode *inode,
 			    struct nfs_open_context *ctx)
 {
 	struct nfs_server *server = NFS_SERVER(inode);
-        struct rpc_message msg = {
+	struct rpc_message msg = {
 		.rpc_proc	= &nfs4_procedures[NFSPROC4_CLNT_SETATTR],
 		.rpc_argp	= arg,
 		.rpc_resp	= res,
 		.rpc_cred	= cred,
-        };
+	};
 	struct rpc_cred *delegation_cred = NULL;
 	unsigned long timestamp = jiffies;
 	fmode_t fmode;

@@ -2965,18 +2965,18 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
 {
 	struct nfs_server *server = NFS_SERVER(inode);
 	struct nfs4_state *state = ctx ? ctx->state : NULL;
-        struct nfs_setattrargs  arg = {
-                .fh             = NFS_FH(inode),
-                .iap            = sattr,
+	struct nfs_setattrargs	arg = {
+		.fh		= NFS_FH(inode),
+		.iap		= sattr,
 		.server		= server,
 		.bitmask = server->attr_bitmask,
 		.label		= ilabel,
-        };
-        struct nfs_setattrres  res = {
+	};
+	struct nfs_setattrres  res = {
 		.fattr		= fattr,
 		.label		= olabel,
 		.server		= server,
-        };
+	};
 	struct nfs4_exception exception = {
 		.state = state,
 		.inode = inode,

@@ -3090,7 +3090,7 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
 		}
 	}
 
-        /* hmm. we are done with the inode, and in the process of freeing
+	/* hmm. we are done with the inode, and in the process of freeing
 	 * the state_owner. we keep this around to process errors
 	 */
 	switch (task->tk_status) {

@@ -4941,8 +4941,8 @@ static int buf_to_pages_noslab(const void *buf, size_t buflen,
 		if (newpage == NULL)
 			goto unwind;
 		memcpy(page_address(newpage), buf, len);
-                buf += len;
-                buflen -= len;
+		buf += len;
+		buflen -= len;
 		*pages++ = newpage;
 		rc++;
 	} while (buflen != 0);

@@ -5265,8 +5265,8 @@ static int _nfs4_do_set_security_label(struct inode *inode,
 	struct nfs_server *server = NFS_SERVER(inode);
 	const u32 bitmask[3] = { 0, 0, FATTR4_WORD2_SECURITY_LABEL };
 	struct nfs_setattrargs arg = {
-		.fh             = NFS_FH(inode),
-		.iap            = &sattr,
+		.fh		= NFS_FH(inode),
+		.iap		= &sattr,
 		.server		= server,
 		.bitmask	= bitmask,
 		.label		= ilabel,

@@ -5277,9 +5277,9 @@ static int _nfs4_do_set_security_label(struct inode *inode,
 		.server		= server,
 	};
 	struct rpc_message msg = {
-		.rpc_proc       = &nfs4_procedures[NFSPROC4_CLNT_SETATTR],
-		.rpc_argp       = &arg,
-		.rpc_resp       = &res,
+		.rpc_proc	= &nfs4_procedures[NFSPROC4_CLNT_SETATTR],
+		.rpc_argp	= &arg,
+		.rpc_resp	= &res,
 	};
 	int status;
 

@@ -5825,8 +5825,8 @@ static int _nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock
 	};
 	struct rpc_message msg = {
 		.rpc_proc	= &nfs4_procedures[NFSPROC4_CLNT_LOCKT],
-		.rpc_argp       = &arg,
-		.rpc_resp       = &res,
+		.rpc_argp	= &arg,
+		.rpc_resp	= &res,
 		.rpc_cred	= state->owner->so_cred,
 	};
 	struct nfs4_lock_state *lsp;