forgot to cv_wakeup

85b77136 · Nickolai Zeldovich · 0fcb8f0c · 85b77136
--- a/bio.c
+++ b/bio.c
@@ -148,6 +148,7 @@ bread(uint dev, uint sector, int writer)
    acquire(&b->lock);
    b->flags &= ~B_BUSY;
    release(&b->lock);
+    cv_wakeup(&b->cv);
  }
  return b;
 }