Comment 143 for bug 620074

Revision history for this message
In , axboe (axboe-linux-kernel-bugs) wrote :

Can you try with this simple patch applied?

diff --git a/block/blk.h b/block/blk.h
index 6e1ed40..a145c3a 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -5,7 +5,7 @@
 #define BLK_BATCH_TIME (HZ/50UL)

 /* Number of requests a "batching" process may submit */
-#define BLK_BATCH_REQ 32
+#define BLK_BATCH_REQ 1

 extern struct kmem_cache *blk_requestq_cachep;
 extern struct kobj_type blk_queue_ktype;