From: Yuri Tikhonov <yur@xxxxxxxxxxx>
fusion mptsas: fix dma alignment
Since the 465ff.. commit from James Bottomley relaxes the default
SCSI DMA alignment from 512 bytes to 4 bytes, then, in the mptsas
driver, we should explicitly set the alignment to the workable
512 bytes value.
Signed-off-by: Ilya Yanok <yanok@xxxxxxxxxxx>
Signed-off-by: Yuri Tikhonov <yur@xxxxxxxxxxx>
Signed-off-by: Sergei Poselenov <sposelenov@xxxxxxxxxxx>
Signed-off-by: Vitaly Bordug <vitb@xxxxxxxxxxxxxxxxxxx>
---
drivers/message/fusion/mptsas.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/message/fusion/mptsas.c
b/drivers/message/fusion/mptsas.c index 55ff252..2334f26 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1843,6 +1843,7 @@ mptsas_slave_alloc(struct scsi_device *sdev)
return -ENXIO;
out:
+ blk_queue_update_dma_alignment(sdev->request_queue, 511);
vdevice->vtarget->num_luns++;
sdev->hostdata = vdevice;
return 0;
--
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