scsi: storvsc: Increase the ring buffer size

Increase the default ring buffer size as this can significantly improve performance especially on high latency storage back-ends. Signed-off-by: K. Y. Srinivasan <[email protected]> Reviewed-by: Long Li <[email protected]> Signed-off-by: James Bottomley <[email protected]>
dlech · Apr 9, 2015 · b9ec3a5 · b9ec3a5
1 parent 114fc1d
commit b9ec3a5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
@@ -308,7 +308,7 @@ enum storvsc_request_type {
  * This is the end of Protocol specific defines.
  */
 
-static int storvsc_ringbuffer_size = (20 * PAGE_SIZE);
+static int storvsc_ringbuffer_size = (256 * PAGE_SIZE);
 
 module_param(storvsc_ringbuffer_size, int, S_IRUGO);
 MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)");