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Commit 5f2578e5 authored by FUJITA Tomonori's avatar FUJITA Tomonori Committed by James Bottomley
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[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: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: default avatarDouglas Gilbert <dougg@torque.net>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 19789100

drivers/scsi/scsi_debug.c

+3 −3
Original line number Diff line number Diff line
@@ -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();