xfs: move inode generation count to VFS inode

Pull another 4 bytes out of the xfs_icdinode.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 193e0bd..6367780 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -350,6 +350,7 @@
 	to->di_ctime.t_sec = inode->i_ctime.tv_sec;
 	to->di_ctime.t_nsec = inode->i_ctime.tv_nsec;
 	to->di_nlink = inode->i_nlink;
+	to->di_gen = inode->i_generation;
 
 	to->di_size = from->di_size;
 	to->di_nblocks = from->di_nblocks;
@@ -361,7 +362,6 @@
 	to->di_dmevmask = from->di_dmevmask;
 	to->di_dmstate = from->di_dmstate;
 	to->di_flags = from->di_flags;
-	to->di_gen = from->di_gen;
 
 	if (from->di_version == 3) {
 		to->di_changecount = from->di_changecount;