Christoph Hellwig 2063392ae5 cow: use qemu block API
Use bdrv_pwrite to access the backing device instead of pread, and
convert the driver to implementing the bdrv_open method which gives
it an already opened BlockDriverState for the underlying device.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-15 09:41:59 +02:00
..
2010-06-13 19:00:50 +01:00
2010-06-15 09:41:59 +02:00
2010-06-15 09:41:58 +02:00