On 09/22/2014 01:02 PM, Christoph Hellwig wrote: > On Mon, Sep 22, 2014 at 12:56:59PM -0500, Chris J Arges wrote: >> When using a virtual SCSI disk in a VMWare VM if blkdev_issue_zeroout is used >> data can be improperly zeroed out using the mptfusion driver. This patch >> disables write_same for this driver which ensures that manual zeroing out >> is used instead. > > Does this affet real hardware or is it a VMware bug? If it's just the > latter we should simply blacklist VMware. > I've only been able to reproduce this on VMWare. There is a pretty straightforward reproducer in the BugLink if there is any interest in verifying on hardware. How would you recommending blacklisting only VMWare guests in this case? Thanks, --chris j arges -- 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
