Re: [Qemu-devel] [PATCH v2 1/1] drive-mirror: add incremental mode

2019-01-02 Thread Eric Blake
On 1/2/19 4:04 AM, mahaocong wrote: > From: mahaocong > > Signed-off-by: mahaocong The subject line says "what" changed, but you are missing a commit body that says "why" the change is useful. Much of the content in your cover letter should be copied into this commit body, as the cover letter

[Qemu-devel] [PATCH v2 1/1] drive-mirror: add incremental mode

2019-01-02 Thread mahaocong
From: mahaocong Signed-off-by: mahaocong --- block/mirror.c| 55 --- blockdev.c| 37 +-- include/block/block_int.h | 3 ++- qapi/block-core.json | 9 +++- 4 files changed, 88 insertion