[SCSI] scsi_debug: disable clustering

scsi_debug does at several places:

for_each_sg(sdb->table.sgl, sg, sdb->table.nents, k) {
	kaddr = (unsigned char *)
		kmap_atomic(sg_page(sg), KM_USER0);

We cannot do something like that with the clustering enabled (or we
can use scsi_kmap_atomic_sg).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 1541c17..d1777a9 100644 (file)
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -222,7 +222,7 @@ static struct scsi_host_template sdebug_driver_template = {
        .cmd_per_lun =          16,
        .max_sectors =          0xffff,
        .unchecked_isa_dma =    0,
-       .use_clustering =       ENABLE_CLUSTERING,
+       .use_clustering =       DISABLE_CLUSTERING,
        .module =               THIS_MODULE,
 };