Re: [Qemu-block] [Qemu-devel] [PATCH 10/10] block: Fix error handling in bdrv_replace_in_backing_chain()

[Eric Blake]

On 03/06/2017 10:22 AM, Kevin Wolf wrote:
> When adding an Error parameter, bdrv_replace_in_backing_chain() would
> become nothing more than a wrapper around change_parent_backing_link().
> So make the latter public, renamed as bdrv_replace_node(), and remove
> bdrv_replace_in_backing_chain().
> 
> Most of the callers just remove a node from the graph that they just
> inserted, so they can use &error_abort, but completion of a mirror job
> with 'replaces' set can actually fail.
> 
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block.c                   | 25 ++++++-------------------
>  block/mirror.c            | 15 +++++++++------
>  blockdev.c                |  2 +-
>  include/block/block.h     |  4 ++--
>  include/block/block_int.h |  4 ++--
>  5 files changed, 20 insertions(+), 30 deletions(-)
> 

Reviewed-by: Eric Blake <address@hidden>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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