[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
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -222,7 +222,7 @@
.cmd_per_lun = 16,
.max_sectors = 0xffff,
.unchecked_isa_dma = 0,
- .use_clustering = ENABLE_CLUSTERING,
+ .use_clustering = DISABLE_CLUSTERING,
.module = THIS_MODULE,
};