Re: [PATCH v3 0/9] block-backend: Introduce I/O hang

2020-11-03 Thread cenjiahui
On 2020/10/30 21:21, Stefan Hajnoczi wrote: > On Thu, Oct 29, 2020 at 05:42:42PM +0800, cenjiahui wrote: >> >> On 2020/10/27 0:53, Stefan Hajnoczi wrote: >>> On Thu, Oct 22, 2020 at 09:02:54PM +0800, Jiahui Cen wrote: A VM in the cloud environment may use a virutal disk as the backend

Re: [PATCH v3 0/9] block-backend: Introduce I/O hang

2020-10-30 Thread Stefan Hajnoczi
On Thu, Oct 29, 2020 at 05:42:42PM +0800, cenjiahui wrote: > > On 2020/10/27 0:53, Stefan Hajnoczi wrote: > > On Thu, Oct 22, 2020 at 09:02:54PM +0800, Jiahui Cen wrote: > >> A VM in the cloud environment may use a virutal disk as the backend > >> storage, > >> and there are usually filesystems o

Re: [PATCH v3 0/9] block-backend: Introduce I/O hang

2020-10-29 Thread cenjiahui
On 2020/10/27 0:53, Stefan Hajnoczi wrote: > On Thu, Oct 22, 2020 at 09:02:54PM +0800, Jiahui Cen wrote: >> A VM in the cloud environment may use a virutal disk as the backend storage, >> and there are usually filesystems on the virtual block device. When backend >> storage is temporarily down, a

Re: [PATCH v3 0/9] block-backend: Introduce I/O hang

2020-10-26 Thread Stefan Hajnoczi
On Thu, Oct 22, 2020 at 09:02:54PM +0800, Jiahui Cen wrote: > A VM in the cloud environment may use a virutal disk as the backend storage, > and there are usually filesystems on the virtual block device. When backend > storage is temporarily down, any I/O issued to the virtual block device will > c

[PATCH v3 0/9] block-backend: Introduce I/O hang

2020-10-22 Thread Jiahui Cen
A VM in the cloud environment may use a virutal disk as the backend storage, and there are usually filesystems on the virtual block device. When backend storage is temporarily down, any I/O issued to the virtual block device will cause an error. For example, an error occurred in ext4 filesystem wou