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

[Martin K. Petersen]

>>>>> "Chris" == Chris J Arges <chris.j.arges@xxxxxxxxxxxxx> 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> 2) Do we expect changing max_write_same_blocks at the scsi_disk
Chris>    level to propagate the right write_same flags to other layers
Chris>    such as dm?

No, there's currently no way to communicate that the underlying topology
has changed.

-- 
Martin K. Petersen	Oracle Linux Engineering
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