ceph: simplify ceph_buffer interface
We never allocate the ceph_buffer and buffer separtely, so use a single
constructor.
Disallow put on NULL buffer; make the caller check.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index 45cec31..bf76210 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -2047,7 +2047,7 @@
BUG_ON(!middle_len);
BUG_ON(msg->middle);
- msg->middle = ceph_buffer_new_alloc(middle_len, GFP_NOFS);
+ msg->middle = ceph_buffer_new(middle_len, GFP_NOFS);
if (!msg->middle)
return -ENOMEM;
return 0;