1 files changed, 3 insertions, 1 deletions
diff --git a/log.c b/log.c
index 9ba3ced..a64c0f6 100644
--- a/log.c
+++ b/log.c
@@ -155,7 +155,9 @@ end_op(void)
     do_commit = 1;
     log.committing = 1;
   } else {
-    // begin_op() may be waiting for log space.
+    // begin_op() may be waiting for log space,
+    // and decrementing log.outstanding has decreased
+    // the amount of reserved space.
     wakeup(&log);
   }
   release(&log.lock);