Re: [Qemu-devel] [PATCH 0/2] block: Write out internal caches even with cache=unsafe

[Paolo Bonzini]

On 10/21/2011 07:08 PM, Kevin Wolf wrote:
> Avi complained that not even writing out qcow2's cache on bdrv_flush() made
> cache=unsafe too unsafe to be useful. He's got a point.

Why? cache=unsafe is explicitly allowing to s/data/manure/ on crash.

If you do this for raw-posix, you need to do it for all protocols.

> Kevin Wolf (2):
>    raw-posix: Convert to bdrv_co_flush
>    block: Handle cache=unsafe only in raw-posix/win32

Paolo