Re: [PATCH] mptfusion: enable no_write_same in scsi_host_template

[Christoph Hellwig]

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.

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