diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 0db4020..a670461 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1583,8 +1583,8 @@
 		return 0;
 
 	tp = _xfs_trans_alloc(mp, XFS_TRANS_SB_COUNT, KM_SLEEP);
-	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_SB_LOG_RES(mp), 0, 0,
+				  XFS_DEFAULT_LOG_COUNT);
 	if (error) {
 		xfs_trans_cancel(tp, 0);
 		return error;