Re: [RFC PATCH 4/7] block-backend: add I/O hang drain when disbale

[Eric Blake]

On 9/27/20 8:04 AM, Ying Fang wrote:

In the subject: s/disbale/disabled/

> To disable I/O hang, all hanging AIOs need to be drained. A rehandle status
> field is introduced to notify rehandle mechanism not to rehandle failed AIOs
> when I/O hang is disabled.
>
> Signed-off-by: Ying Fang <fangying1@huawei.com>
> Signed-off-by: Jiahui Cen <cenjiahui@huawei.com>
> ---
>   block/block-backend.c          | 85 ++++++++++++++++++++++++++++++++--
>   include/sysemu/block-backend.h |  3 ++
>   2 files changed, 84 insertions(+), 4 deletions(-)
--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org