Re: [PATCH v3] mptfusion: enable no_write_same for vmware scsi disks

2014-09-25 Thread Christoph Hellwig
Thanks, applied to drivers-for-3.18 with Cc to stable. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Re: [PATCH v3] mptfusion: enable no_write_same for vmware scsi disks

2014-09-24 Thread Martin K. Petersen
> "Christoph" == Christoph Hellwig writes: Christoph> I'd like to add Chris latests patch and Cc it to stable. Christoph> Martin, given that you're ok with it can you give me a Reviewed-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this

Re: [PATCH v3] mptfusion: enable no_write_same for vmware scsi disks

2014-09-24 Thread Christoph Hellwig
On Tue, Sep 23, 2014 at 07:28:04PM -0400, Martin K. Petersen wrote: > > "Chris" == Chris J Arges writes: > > Chris> 1) Does this workaround make sense? Perhaps there is an easier > Chris>way? > > One option is to ship a udev rule that disables write same on VMware > disks. However, I don

Re: [PATCH v3] mptfusion: enable no_write_same for vmware scsi disks

2014-09-23 Thread Martin K. Petersen
> "Chris" == Chris J Arges writes: Chris> 1) Does this workaround make sense? Perhaps there is an easier Chris>way? One option is to ship a udev rule that disables write same on VMware disks. However, I don't have a fundamental problem having a workaround for this in the kernel. Chris>

Re: [PATCH v3] mptfusion: enable no_write_same for vmware scsi disks

2014-09-23 Thread Chris J Arges
On 09/23/2014 09:22 AM, 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 and the vmware subsystem_vendor which > ensures that manual z

Re: [PATCH v3] mptfusion: enable no_write_same for vmware scsi disks

2014-09-23 Thread Chris J Arges
On 09/23/2014 09:22 AM, 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 and the vmware subsystem_vendor which > ensures that manual z

[PATCH v3] mptfusion: enable no_write_same for vmware scsi disks

2014-09-23 Thread Chris J Arges
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.lau