2 bytes of what was reserved space is now used by
userspace for the compat_version field.

Signed-off-by: John Spray <john.sp...@redhat.com>
---
 include/linux/ceph/msgr.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/ceph/msgr.h b/include/linux/ceph/msgr.h
index cac4b28..1c18872 100644
--- a/include/linux/ceph/msgr.h
+++ b/include/linux/ceph/msgr.h
@@ -152,7 +152,8 @@ struct ceph_msg_header {
                             receiver: mask against ~PAGE_MASK */
 
        struct ceph_entity_name src;
-       __le32 reserved;
+       __le16 compat_version;
+       __le16 reserved;
        __le32 crc;       /* header crc32c */
 } __attribute__ ((packed));
 
-- 
1.9.3

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