[SCSI] scsi_debug: support large non-fake virtual disk
Currently, the maximum amount of RAM that scsi_debug can allocate is
4GB. This patch increases it to 2TB; scsi_debug can allocates 2TB
memory and export it as if it were 2TB scsi disk.
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 c98559e..1b6a6d8 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1949,7 +1949,7 @@
}
static void __init sdebug_build_parts(unsigned char *ramp,
- unsigned int store_size)
+ unsigned long store_size)
{
struct partition * pp;
int starts[SDEBUG_MAX_PARTS + 2];
@@ -2476,14 +2476,14 @@
static int __init scsi_debug_init(void)
{
- unsigned int sz;
+ unsigned long sz;
int host_to_add;
int k;
int ret;
if (scsi_debug_dev_size_mb < 1)
scsi_debug_dev_size_mb = 1; /* force minimum 1 MB ramdisk */
- sz = (unsigned int)scsi_debug_dev_size_mb * 1048576;
+ sz = (unsigned long)scsi_debug_dev_size_mb * 1048576;
sdebug_store_sectors = sz / SECT_SIZE;
sdebug_capacity = get_sdebug_capacity();