SUNRPC: Convert GFP_NOFS to GFP_KERNEL

The sections which should not re-enter the filesystem are already
protected with memalloc_nofs_save/restore calls, so it is better to use
GFP_KERNEL in these calls to allow better performance for synchronous
RPC calls.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

net/sunrpc/auth_unix.c

@@ -43,7 +43,7 @@ unx_destroy(struct rpc_auth *auth)
 static struct rpc_cred *
 unx_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
 {
-	struct rpc_cred *ret = mempool_alloc(unix_pool, GFP_NOFS);
+	struct rpc_cred *ret = mempool_alloc(unix_pool, GFP_KERNEL);
 
 	rpcauth_init_cred(ret, acred, auth, &unix_credops);
 	ret->cr_flags = 1UL << RPCAUTH_CRED_UPTODATE;

net/sunrpc/clnt.c

@@ -2793,7 +2793,7 @@ int rpc_clnt_test_and_add_xprt(struct rpc_clnt *clnt,
 		return -EINVAL;
 	}
 
-	data = kmalloc(sizeof(*data), GFP_NOFS);
+	data = kmalloc(sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 	data->xps = xprt_switch_get(xps);

net/sunrpc/rpcb_clnt.c

@@ -714,7 +714,7 @@ void rpcb_getport_async(struct rpc_task *task)
 		goto bailout_nofree;
 	}
 
-	map = kzalloc(sizeof(struct rpcbind_args), GFP_NOFS);
+	map = kzalloc(sizeof(struct rpcbind_args), GFP_KERNEL);
 	if (!map) {
 		status = -ENOMEM;
 		goto bailout_release_client;
@@ -730,7 +730,7 @@ void rpcb_getport_async(struct rpc_task *task)
 	case RPCBVERS_4:
 	case RPCBVERS_3:
 		map->r_netid = xprt->address_strings[RPC_DISPLAY_NETID];
-		map->r_addr = rpc_sockaddr2uaddr(sap, GFP_NOFS);
+		map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL);
 		if (!map->r_addr) {
 			status = -ENOMEM;
 			goto bailout_free_args;

net/sunrpc/sched.c

@@ -1021,7 +1021,7 @@ int rpc_malloc(struct rpc_task *task)
 	struct rpc_rqst *rqst = task->tk_rqstp;
 	size_t size = rqst->rq_callsize + rqst->rq_rcvsize;
 	struct rpc_buffer *buf;
-	gfp_t gfp = GFP_NOFS;
+	gfp_t gfp = GFP_KERNEL;
 
 	if (RPC_IS_SWAPPER(task))
 		gfp = __GFP_MEMALLOC | GFP_NOWAIT | __GFP_NOWARN;
@@ -1095,7 +1095,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
 static struct rpc_task *
 rpc_alloc_task(void)
 {
-	return (struct rpc_task *)mempool_alloc(rpc_task_mempool, GFP_NOFS);
+	return (struct rpc_task *)mempool_alloc(rpc_task_mempool, GFP_KERNEL);
 }
 
 /*

net/sunrpc/xprt.c

@@ -1692,7 +1692,7 @@ static struct rpc_rqst *xprt_dynamic_alloc_slot(struct rpc_xprt *xprt)
 		goto out;
 	++xprt->num_reqs;
 	spin_unlock(&xprt->reserve_lock);
-	req = kzalloc(sizeof(struct rpc_rqst), GFP_NOFS);
+	req = kzalloc(sizeof(struct rpc_rqst), GFP_KERNEL);
 	spin_lock(&xprt->reserve_lock);
 	if (req != NULL)
 		goto out;