diff --git a/[refs] b/[refs]
index 7f1ca899f174..add45afdc72b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 206b6310fd0268a6ca50cf36f03b0f4eee5602ec
+refs/heads/master: 28e0fa894cd5996d3007ce82f07226f79beb7286
diff --git a/trunk/fs/jfs/jfs_imap.c b/trunk/fs/jfs/jfs_imap.c
index ed53a4740168..0533e8f3d19e 100644
--- a/trunk/fs/jfs/jfs_imap.c
+++ b/trunk/fs/jfs/jfs_imap.c
@@ -2921,10 +2921,9 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
 			continue;
 		}
 
-		/* agstart that computes to the same ag is treated as same; */
 		agstart = le64_to_cpu(iagp->agstart);
-		/* iagp->agstart = agstart & ~(mp->db_agsize - 1); */
 		n = agstart >> mp->db_agl2size;
+		iagp->agstart = cpu_to_le64((s64)n << mp->db_agl2size);
 
 		/* compute backed inodes */
 		numinos = (EXTSPERIAG - le32_to_cpu(iagp->nfreeexts))