[PATCH 07/13] storvsc: set virt_boundary_mask in the scsi host template

Christoph Hellwig
2019-06-05T19:09:21Z

This ensures all proper DMA layer handling is taken care of by the
SCSI midlayer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/scsi/storvsc_drv.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 8472de1007ff..e61051c026f6 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1434,9 +1434,6 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
{
blk_queue_rq_timeout(sdevice->request_queue, (storvsc_timeout * HZ));

- /* Ensure there are no gaps in presented sgls */
- blk_queue_virt_boundary(sdevice->request_queue, PAGE_SIZE - 1);
-
sdevice->no_write_same = 1;

/*
@@ -1709,6 +1706,8 @@ static struct scsi_host_template scsi_driver = {
.this_id = -1,
/* Make sure we dont get a sg segment crosses a page boundary */
.dma_boundary = PAGE_SIZE-1,
+ /* Ensure there are no gaps in presented sgls */
+ .virt_boundary_mask = PAGE_SIZE-1,
.no_write_same = 1,
.track_queue_depth = 1,
};
--
2.20.1