Re: [Qemu-devel] [PATCH v6 11/14] block/backup: support block job transactions

2015-09-18 Thread Max Reitz
On 15.09.2015 08:11, Fam Zheng wrote: > From: Stefan Hajnoczi > > Join the transaction when the 'transactional-cancel' QMP argument is > true. > > This ensures that the sync bitmap is not thrown away if another block > job in the transaction is cancelled or fails. This is

[Qemu-devel] [PATCH v6 11/14] block/backup: support block job transactions

2015-09-15 Thread Fam Zheng
From: Stefan Hajnoczi Join the transaction when the 'transactional-cancel' QMP argument is true. This ensures that the sync bitmap is not thrown away if another block job in the transaction is cancelled or fails. This is critical so incremental backup with multiple disks

Re: [Qemu-devel] [PATCH v6 11/14] block/backup: support block job transactions

2015-09-15 Thread Eric Blake
On 09/15/2015 12:11 AM, Fam Zheng wrote: > From: Stefan Hajnoczi > > Join the transaction when the 'transactional-cancel' QMP argument is > true. > > This ensures that the sync bitmap is not thrown away if another block > job in the transaction is cancelled or fails. This