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[SCSI] scsi_debug: support large non-fake virtual disk

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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>
This commit is contained in:
FUJITA Tomonori 2008-03-30 00:59:57 +09:00 committed by James Bottomley
parent 1978910062
commit 5f2578e579
1 changed files with 3 additions and 3 deletions
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6
drivers/scsi/scsi_debug.c
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@ -1949,7 +1949,7 @@ static void __init init_all_queued(void)
}
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 void do_remove_driverfs_files(void)
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();