Re: [Qemu-devel] [PATCH] block: Flush parent to OS with cache=unsafe

[Stefan Hajnoczi]

On Wed, Aug 15, 2012 at 11:57 AM, Kevin Wolf <address@hidden> wrote:
> Commit 29cdb251 already added a comment that no unnecessary flushes to
> disk will occur, this patch makes the code even get to the point of the
> comment. This is mostly theoretical because in practice we only stack
> one format on top of one protocol, the former implementing flush_to_os
> and the latter only flush_to_disk. It starts to matter when drivers that
> are not on top implement flush_to_os.
>
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>