The old setting seems to be copy & paste from usb-storage.
Signed-off-by: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx>
---
I wonder, do we need this call to blk_queue_dma_alignment() at all?
Does the block layer perhaps provide sufficient alignment guarantees?
Index: linux/drivers/ieee1394/sbp2.c
===================================================================
--- linux.orig/drivers/ieee1394/sbp2.c 2007-01-14 18:40:08.000000000 +0100
+++ linux/drivers/ieee1394/sbp2.c 2007-01-14 19:30:42.000000000 +0100
@@ -2012,7 +2012,10 @@ static int sbp2scsi_slave_configure(stru
{
struct sbp2_lu *lu = (struct sbp2_lu *)sdev->host->hostdata[0];
- blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
+ /* Page table elements shall be octlet-aligned.
+ * Everything else can be quadlet-aligned. */
+ blk_queue_dma_alignment(sdev->request_queue, 7);
+
sdev->use_10_for_rw = 1;
if (sdev->type == TYPE_ROM)
--
Stefan Richter
-=====-=-=== ---= -===-
http://arcgraph.de/sr/
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