Re: [Qemu-devel] [PATCH v3 8/9] qmp: Add support of "dirty-bitmap" sync mode for drive-backup

2014-03-20 Thread Eric Blake
On 03/17/2014 01:46 AM, Fam Zheng wrote: > For "dirty-bitmap" sync mode, the block job will iterate through the > given dirty bitmap to decide if a sector needs backup (backup all the > dirty clusters and skip clean ones), just as allocation conditions of > "top" sync mode. > > There are two bitma

[Qemu-devel] [PATCH v3 8/9] qmp: Add support of "dirty-bitmap" sync mode for drive-backup

2014-03-17 Thread Fam Zheng
For "dirty-bitmap" sync mode, the block job will iterate through the given dirty bitmap to decide if a sector needs backup (backup all the dirty clusters and skip clean ones), just as allocation conditions of "top" sync mode. There are two bitmap use modes for sync=dirty-bitmap: - reset: backup