Currently this includes
--write-behind to set level of write-behind supported
--write-mostly to flag devices as write-mostly.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
As the device list isn't stable, recording it should be avoided.
The device= list is still available if --verbose is given (once).
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
This includes:
adding --metadata= option to choose metadata format
adding metadata= word to config file.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
This allows for larger device number if glibc supports
it (requires 2.3.3).
Also fail before creating larger device number if glibc
support isn't present.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>