On Tue, 21 Apr 2009 16:07:08 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=13143 > > Summary: scsi_debug doesn't manage more than 1Tb > Product: SCSI Drivers > Version: 2.5 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > AssignedTo: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx > ReportedBy: tvignaud@xxxxxxxxxxxx > Regression: No > > > While debugging a partitionner software that has issues with disks bigger than > 1Tb, I found out that scsi_debug doesn't manage more than 1Tb: > > # modprobe scsi_debug virtual_gb=1000 > # cat /proc/partitions |fgrep sdc > 8 32 1048576000 sdc > # rmmod scsi_debug > # modprobe scsi_debug virtual_gb=1100 > # cat /proc/partitions |fgrep sdc > 8 32 9223372035860725760 sdc > > > dmesg shows that the additionnal 100Gb makes it loose sight: > sd 16:0:0:0: [sdc] 2097152000 512-byte hardware sectors: (1.07 TB/1000 GiB) > versus: > sd 15:0:0:0: [sdc] 18446744071721451520 512-byte hardware sectors: (18.4 > EB/15.9 EiB) = From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> Subject: [PATCH] scsi_debug: fix virtual disk larger than 1TB Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> --- drivers/scsi/scsi_debug.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 213123b..41a2177 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -887,7 +887,7 @@ static int resp_start_stop(struct scsi_cmnd * scp, static sector_t get_sdebug_capacity(void) { if (scsi_debug_virtual_gb > 0) - return 2048 * 1024 * scsi_debug_virtual_gb; + return 2048 * 1024 * (sector_t)scsi_debug_virtual_gb; else return sdebug_store_sectors; } -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
