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

[Paolo Bonzini]

On 10/24/2011 11:36 AM, Kevin Wolf wrote:
> > >  You're changing the API and asking for possibly non-trivial changes in
> > >  all protocol drivers, in order to accomodate semantics that all format
> > >  drivers potentially could desire.  So I wonder if the problem is simply
> > >  that the current API is not expressive enough.
> Can you think of any cases where a caller would want to invoke
> bdrv_flush, but not bdrv_fsync? (The other way round it makes even less
> sense)

I'm talking about the internal driver API only.  The external API is 
fine as is.

Paolo