diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 60eff4763156f9a83a5b5ab49eaca1c1a2df63a8..e5b5cf973781b5bba4188144dd9b3bf4a69f022c 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -1584,10 +1584,9 @@ xfs_qm_write_sb_changes(
 	int		error;
 
 	tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE);
-	if ((error = xfs_trans_reserve(tp, 0,
-				      mp->m_sb.sb_sectsize + 128, 0,
-				      0,
-				      XFS_DEFAULT_LOG_COUNT))) {
+	error = xfs_trans_reserve(tp, 0, XFS_QM_SBCHANGE_LOG_RES(mp),
+				  0, 0, XFS_DEFAULT_LOG_COUNT);
+	if (error) {
 		xfs_trans_cancel(tp, 0);
 		return error;
 	}