Re: [Qemu-block] [PATCH v2 resend] block/mirror: change the semantic of 'force' of block-job-cancel

2018-03-12 Thread Jeff Cody
On Fri, Mar 02, 2018 at 11:20:55AM -0500, John Snow wrote: > > > On 03/02/2018 10:39 AM, Eric Blake wrote: > > On 02/26/2018 08:05 PM, Liang Li wrote: > >> When doing drive mirror to a low speed shared storage, if there was heavy > >> BLK IO write workload in VM after the 'ready' event, drive mir

Re: [Qemu-block] [PATCH v2 resend] block/mirror: change the semantic of 'force' of block-job-cancel

2018-03-02 Thread John Snow
On 03/02/2018 10:39 AM, Eric Blake wrote: > On 02/26/2018 08:05 PM, Liang Li wrote: >> When doing drive mirror to a low speed shared storage, if there was heavy >> BLK IO write workload in VM after the 'ready' event, drive mirror >> block job >> can't be canceled immediately, it would keep runnin

Re: [Qemu-block] [PATCH v2 resend] block/mirror: change the semantic of 'force' of block-job-cancel

2018-03-02 Thread Eric Blake
On 02/26/2018 08:05 PM, Liang Li wrote: When doing drive mirror to a low speed shared storage, if there was heavy BLK IO write workload in VM after the 'ready' event, drive mirror block job can't be canceled immediately, it would keep running until the heavy BLK IO workload stopped in the VM. Li