On Mon, May 05, 2014 at 06:19:07PM +0200, Max Reitz wrote: > On 10.04.2014 20:43, Max Reitz wrote: > >This series adds a passthrough JSON protocol block driver. Its filenames > >are JSON objects prefixed by "json:". The objects are used as options > >for opening another block device which will be the child of the JSON > >device. Regarding this child device, the JSON driver behaves nearly the > >same as raw_bsd in that it is just a passthrough driver. The only > >difference is probably that the JSON driver identifies itself as a block > >filter, in contrast to raw_bsd. > > > >The purpose of this driver is that it may sometimes be desirable to > >specify options for a block device where only a filename can be given, > >e.g., for backing files. Using this should obviously be the exception, > >but it is nice to have if actually needed. > > Ping – I do understand that Kevin has reservations against this > series, but as long as he doesn't explicitly ask me to reimplement > this in bdrv_open() without an own block driver (which I'd more or > less gladly do), I do not see issues why this series should not be > merged.
I haven't reviewed it further because it seems like a kludge (that we have to keep supporting once it's merged). Was hoping you and Kevin will come up with a long-term fix instead. Kevin: Any new ideas on this patch series? Stefan
