ocfs2/dlm: use GFP_ATOMIC inside a spin_lock

My static checker complains that this is called with a spin_lock held
in dlm_master_requery_handler() from dlmrecovery.c.  Probably the reason
we have not received any bug reports about this is that recovery is not
a common operation.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 005261c..33ecbe0 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2020,7 +2020,7 @@
 			       int ignore_higher, u8 request_from, u32 flags)
 {
 	struct dlm_work_item *item;
-	item = kzalloc(sizeof(*item), GFP_NOFS);
+	item = kzalloc(sizeof(*item), GFP_ATOMIC);
 	if (!item)
 		return -ENOMEM;