ceph-rbd: osdc support for osd call and rollback operations

This will be used for rbd snapshots administration.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/ceph/decode.h b/fs/ceph/decode.h
index 3d25415afe63..c5b6939fb32a 100644
--- a/fs/ceph/decode.h
+++ b/fs/ceph/decode.h
@@ -191,6 +191,11 @@ static inline void ceph_encode_string(void **p, void *end,
                 ceph_encode_need(p, end, n, bad);               \
                 ceph_encode_copy(p, pv, n);                     \
         } while (0)
+#define ceph_encode_string_safe(p, end, s, n, bad)              \
+        do {                                                    \
+                ceph_encode_need(p, end, n, bad);               \
+                ceph_encode_string(p, end, s, n);               \
+        } while (0)
 
 
 #endif