Messages in this thread Patch in this message | | | Date | Sun, 27 Jan 2008 22:32:22 +0100 (CET) | From | Stefan Richter <> | Subject | [PATCH 2.6.24-git3] ieee1394: sbp2: relax SCSI DMA alignment |
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Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> ---
Not run-time tested yet.
drivers/ieee1394/sbp2.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
Index: linux-2.6.24-git3/drivers/ieee1394/sbp2.c =================================================================== --- linux-2.6.24-git3.orig/drivers/ieee1394/sbp2.c +++ linux-2.6.24-git3/drivers/ieee1394/sbp2.c @@ -1966,11 +1966,8 @@ static int sbp2scsi_slave_alloc(struct s lu->sdev = sdev; sdev->allow_restart = 1; - /* - * Update the dma alignment (minimum alignment requirements for - * start and end of DMA transfers) to be a sector - */ - blk_queue_update_dma_alignment(sdev->request_queue, 511); + /* SBP-2 requires quadlet alignment of the data buffers. */ + blk_queue_update_dma_alignment(sdev->request_queue, 4 - 1); if (lu->workarounds & SBP2_WORKAROUND_INQUIRY_36) sdev->inquiry_len = 36; -- Stefan Richter -=====-==--- ---= ==-== http://arcgraph.de/sr/
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