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Chris J Arges authored
commit 4089b71c upstream. 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 and the vmware subsystem_vendor which ensures that manual zeroing out is used instead. BugLink: http://bugs.launchpad.net/bugs/1371591Reported-by:
Bruce Lucas <bruce.lucas@mongodb.com> Tested-by:
Chris J Arges <chris.j.arges@canonical.com> Signed-off-by:
Chris J Arges <chris.j.arges@canonical.com> Reviewed-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
e06a33f6