xfs: introduce v5 inode group structure

Introduce a new "v5" inode group structure that fixes the alignment
and padding problems of the existing structure.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h
index 60e2591..fa9fb91 100644
--- a/fs/xfs/xfs_itable.h
+++ b/fs/xfs/xfs_itable.h
@@ -46,8 +46,10 @@ void xfs_bulkstat_to_bstat(struct xfs_mount *mp, struct xfs_bstat *bs1,
 		const struct xfs_bulkstat *bstat);
 
 typedef int (*inumbers_fmt_pf)(struct xfs_ibulk *breq,
-		const struct xfs_inogrp *igrp);
+		const struct xfs_inumbers *igrp);
 
 int xfs_inumbers(struct xfs_ibulk *breq, inumbers_fmt_pf formatter);
+void xfs_inumbers_to_inogrp(struct xfs_inogrp *ig1,
+		const struct xfs_inumbers *ig);
 
 #endif	/* __XFS_ITABLE_H__ */