libceph: update ceph_msg_header structure

2 bytes of what was reserved space is now used by userspace for the compat_version field. Signed-off-by: John Spray <john.spray@redhat.com> Reviewed-by: Sage Weil <sage@redhat.com>

libceph: update ceph_msg_header structure
2 bytes of what was reserved space is now used by userspace for the compat_version field. Signed-off-by: John Spray <john.spray@redhat.com> Reviewed-by: Sage Weil <sage@redhat.com>
John Spray · Ilya Dryomov
1 parent 33d0733796
Showing 1 changed file with 2 additions and 1 deletions Side-by-side Diff
include/linux/ceph/msgr.h
@@ -152,7 +152,8 @@
 			     receiver: mask against ~PAGE_MASK */
  
 	struct ceph_entity_name src;
-	__le32 reserved;
+	__le16 compat_version;
+	__le16 reserved;
 	__le32 crc;       /* header crc32c */
 } __attribute__ ((packed));
...	...	@@ -152,7 +152,8 @@
152	152	receiver: mask against ~PAGE_MASK */
153	153
154	154	struct ceph_entity_name src;
155		- __le32 reserved;
	155	+ __le16 compat_version;
	156	+ __le16 reserved;
156	157	__le32 crc; /* header crc32c */
157	158	} __attribute__ ((packed));
158	159