On 04/01/11 08:22, Jason Wang wrote: > We need to keep DIR register unchanged across migration, but currently it > depends on the media_changed flags from block layer. Since we do not > save/restore it and the bdrv_open() called in dest node may set the > media_changed flag when trying to open floppy image, guest driver may think > the > floppy have changed after migration. To fix this, a new filed media_changed in > FDrive strcutre was introduced in order to save and restore the it from block > layer through pre_save/post_load callbacks. > > Signed-off-by: Jason Wang <jasow...@redhat.com>
Looked through this, and it looks perfectly reasonable to me. Reviewed-by: Jes Sorensen <jes.soren...@redhat.com>
