forked from Minki/linux
[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>
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1978910062
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@ -1949,7 +1949,7 @@ static void __init init_all_queued(void)
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}
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}
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static void __init sdebug_build_parts(unsigned char *ramp,
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static void __init sdebug_build_parts(unsigned char *ramp,
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unsigned int store_size)
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unsigned long store_size)
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{
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{
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struct partition * pp;
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struct partition * pp;
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int starts[SDEBUG_MAX_PARTS + 2];
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int starts[SDEBUG_MAX_PARTS + 2];
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@ -2476,14 +2476,14 @@ static void do_remove_driverfs_files(void)
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static int __init scsi_debug_init(void)
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static int __init scsi_debug_init(void)
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{
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{
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unsigned int sz;
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unsigned long sz;
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int host_to_add;
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int host_to_add;
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int k;
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int k;
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int ret;
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int ret;
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if (scsi_debug_dev_size_mb < 1)
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if (scsi_debug_dev_size_mb < 1)
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scsi_debug_dev_size_mb = 1; /* force minimum 1 MB ramdisk */
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scsi_debug_dev_size_mb = 1; /* force minimum 1 MB ramdisk */
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sz = (unsigned int)scsi_debug_dev_size_mb * 1048576;
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sz = (unsigned long)scsi_debug_dev_size_mb * 1048576;
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sdebug_store_sectors = sz / SECT_SIZE;
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sdebug_store_sectors = sz / SECT_SIZE;
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sdebug_capacity = get_sdebug_capacity();
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sdebug_capacity = get_sdebug_capacity();
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