On Fri, May 24, 2019 at 07:28:09PM +0200, Max Reitz wrote: > Hi, > > http://lists.nongnu.org/archive/html/qemu-block/2019-05/msg00569.html > shows that optimizations affect HDDs and SSDs differently. It would be > nice if we could differentiate between the two and then choose to adjust > our behavior depending on whether a given image is stored on an HDD or > not. > > Or maybe it isn’t so nice. That’s one reason this is an RFC.
Seems useful. As long as this isn't exposed to the guest automatically (e.g. via SCSI) then it's fine since guest-visible values are not allowed to change across live migration or storage migration. Stefan
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