On Tue, Sep 6, 2011 at 3:39 PM, Kevin Wolf <kw...@redhat.com> wrote:
> From: Markus Armbruster <arm...@redhat.com>
>
> Block driver "raw" forwards most methods to the underlying block
> driver. However, it doesn't implement method bdrv_media_changed().
> Makes bdrv_media_changed() always return -ENOTSUP.
>
> I believe -fda /dev/fd0 gives you raw over host_floppy, and disk
> change detection (fdc register 7 bit 7) is broken. Testing my theory
> requires a computer museum, though.
Or software to emulate ancient computers? Maybe such software could be
already available to you? ;-)
>
> Signed-off-by: Markus Armbruster <arm...@redhat.com>
> Signed-off-by: Kevin Wolf <kw...@redhat.com>
> ---
> block/raw.c | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/block/raw.c b/block/raw.c
> index 555db4f..f197479 100644
> --- a/block/raw.c
> +++ b/block/raw.c
> @@ -75,6 +75,11 @@ static int raw_is_inserted(BlockDriverState *bs)
> return bdrv_is_inserted(bs->file);
> }
>
> +static int raw_media_changed(BlockDriverState *bs)
> +{
> + return bdrv_media_changed(bs->file);
> +}
> +
> static void raw_eject(BlockDriverState *bs, int eject_flag)
> {
> bdrv_eject(bs->file, eject_flag);
> @@ -137,8 +142,10 @@ static BlockDriver bdrv_raw = {
> .bdrv_discard = raw_discard,
>
> .bdrv_is_inserted = raw_is_inserted,
> + .bdrv_media_changed = raw_media_changed,
> .bdrv_eject = raw_eject,
> .bdrv_set_locked = raw_set_locked,
> +
> .bdrv_ioctl = raw_ioctl,
> .bdrv_aio_ioctl = raw_aio_ioctl,
>
> --
> 1.7.6
>
>
>
