Re: [Qemu-devel] [PATCH 29/34] qemu-iotests: Remove cache mode test without medium

2015-05-15 Thread Max Reitz
On 08.05.2015 19:22, Kevin Wolf wrote: Specifying the cache mode for a driver without a medium is not a useful thing to do: As long as there is no medium, the cache mode doesn't make a difference, and once the 'change' command is used to insert a medium, it ignores the old cache mode and makes th

[Qemu-devel] [PATCH 29/34] qemu-iotests: Remove cache mode test without medium

2015-05-08 Thread Kevin Wolf
Specifying the cache mode for a driver without a medium is not a useful thing to do: As long as there is no medium, the cache mode doesn't make a difference, and once the 'change' command is used to insert a medium, it ignores the old cache mode and makes the new medium use cache=writethrough. Lat