-#define XFS_MIN_LOG_BLOCKS 512
-#define XFS_MAX_LOG_BLOCKS (64 * 1024)
-#define XFS_MIN_LOG_BYTES (256 * 1024)
-#define XFS_MAX_LOG_BYTES (128 * 1024 * 1024)
+#define XFS_MIN_LOG_BLOCKS 512ULL
+#define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
+#define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
+
+/* keep the maximum size under 2^31 by a small amount */
+#define XFS_MAX_LOG_BYTES \
+ ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)