ocfs2: Pack vote message and response structures

The ocfs2_vote_msg and ocfs2_response_msg structs needed to be
packed to ensure similar sizeofs in 32-bit and 64-bit arches. Without this,
we had inadvertantly broken 32/64 bit cross mounts.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

diff --git a/fs/ocfs2/vote.c b/fs/ocfs2/vote.c
index 66a13ee..c053585 100644 (file)
--- a/fs/ocfs2/vote.c
+++ b/fs/ocfs2/vote.c
@@ -66,7 +66,7 @@ struct ocfs2_vote_msg
 {
        struct ocfs2_msg_hdr v_hdr;
        __be32 v_reserved1;
-};
+} __attribute__ ((packed));
 
 /* Responses are given these values to maintain backwards
  * compatibility with older ocfs2 versions */
@@ -78,7 +78,7 @@ struct ocfs2_response_msg
 {
        struct ocfs2_msg_hdr r_hdr;
        __be32 r_response;
-};
+} __attribute__ ((packed));
 
 struct ocfs2_vote_work {
        struct list_head   w_list;