Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/sage/ceph-client

Pull ceph revert from Sage Weil:
 "This corrects a recent misadventure with __GFP_MEMALLOC and
  PF_MEMALLOC; it turns out it's not a good fit for RBD and we're better
  off relying on dirty page throttling"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  Revert "libceph: use memalloc flags for net IO"

net/ceph/messenger.c

@@ -484,7 +484,7 @@ static int ceph_tcp_connect(struct ceph_connection *con)
 			       IPPROTO_TCP, &sock);
 	if (ret)
 		return ret;
-	sock->sk->sk_allocation = GFP_NOFS | __GFP_MEMALLOC;
+	sock->sk->sk_allocation = GFP_NOFS;
 
 #ifdef CONFIG_LOCKDEP
 	lockdep_set_class(&sock->sk->sk_lock, &socket_class);
@@ -520,8 +520,6 @@ static int ceph_tcp_connect(struct ceph_connection *con)
 			       ret);
 	}
 
-	sk_set_memalloc(sock->sk);
-
 	con->sock = sock;
 	return 0;
 }
@@ -2808,11 +2806,8 @@ static void con_work(struct work_struct *work)
 {
 	struct ceph_connection *con = container_of(work, struct ceph_connection,
 						   work.work);
-	unsigned long pflags = current->flags;
 	bool fault;
 
-	current->flags |= PF_MEMALLOC;
-
 	mutex_lock(&con->mutex);
 	while (true) {
 		int ret;
@@ -2866,8 +2861,6 @@ static void con_work(struct work_struct *work)
 		con_fault_finish(con);
 
 	con->ops->put(con);
-
-	tsk_restore_flags(current, pflags, PF_MEMALLOC);
 }
 
 /*