Re: [Qemu-devel] [PATCH v3] block: add block driver read only whitelist

[Kevin Wolf <kwolf@redhat.com>]

Am 29.05.2013 um 13:35 hat Fam Zheng geschrieben:
> We may want to include a driver in the whitelist for read only tasks
> such as diagnosing or exporting guest data (with libguestfs as a good
> example). This patch introduces a readonly whitelist option, and for
> backward compatibility, the old configure option --block-drv-whitelist
> is now an alias to rw whitelist.
> 
> Drivers in readonly list is only permitted to open file readonly, and
> returns -ENOTSUP for RW opening.
> 
> E.g. To include vmdk readonly, and others read+write:
>     ./configure --target-list=x86_64-softmmu \
>                 --block-drv-rw-whitelist=qcow2,raw,file,qed \
>                 --block-drv-ro-whitelist=vmdk
> 
> v3:
>   Fix hw/block/xen_disk.c.
> 
> v2:
>   Use a separate configure option, no more magic prefix.
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  block.c               | 43 +++++++++++++++++++++++++++----------------
>  blockdev.c            |  4 ++--
>  configure             | 20 +++++++++++++++-----
>  hw/block/xen_disk.c   |  8 ++++++--
>  include/block/block.h |  3 ++-
>  scripts/create_config | 11 +++++++++--
>  6 files changed, 61 insertions(+), 28 deletions(-)

Thanks, applied to the block branch.

For future patches, please make sure to include the version history of
the patch below the "---" line so that git am automatically drops it.

Kevin