diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 27d01afe8465..ddd45e5b9383 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -332,6 +332,7 @@ xfs_growfs_data_private(
 		be32_add(&agf->agf_length, new);
 		ASSERT(be32_to_cpu(agf->agf_length) ==
 		       be32_to_cpu(agi->agi_length));
+		xfs_alloc_log_agf(tp, bp, XFS_AGF_LENGTH);
 		/*
 		 * Free the new space.
 		 */