Re: [Qemu-devel] [PATCH v11 08/13] block: Add bitmap successors

2015-01-18 Thread Fam Zheng
On Fri, 01/16 13:22, John Snow wrote: On 01/13/2015 04:24 AM, Fam Zheng wrote: On Mon, 01/12 11:31, John Snow wrote: A bitmap successor is an anonymous BdrvDirtyBitmap that is intended to be created just prior to a sensitive operation (e.g. Incremental Backup) that can either succeed or

Re: [Qemu-devel] [PATCH v11 08/13] block: Add bitmap successors

2015-01-16 Thread John Snow
On 01/13/2015 04:24 AM, Fam Zheng wrote: On Mon, 01/12 11:31, John Snow wrote: A bitmap successor is an anonymous BdrvDirtyBitmap that is intended to be created just prior to a sensitive operation (e.g. Incremental Backup) that can either succeed or fail, but during the course of which we

Re: [Qemu-devel] [PATCH v11 08/13] block: Add bitmap successors

2015-01-13 Thread John Snow
On 01/13/2015 04:24 AM, Fam Zheng wrote: On Mon, 01/12 11:31, John Snow wrote: A bitmap successor is an anonymous BdrvDirtyBitmap that is intended to be created just prior to a sensitive operation (e.g. Incremental Backup) that can either succeed or fail, but during the course of which we

Re: [Qemu-devel] [PATCH v11 08/13] block: Add bitmap successors

2015-01-13 Thread Fam Zheng
On Mon, 01/12 11:31, John Snow wrote: A bitmap successor is an anonymous BdrvDirtyBitmap that is intended to be created just prior to a sensitive operation (e.g. Incremental Backup) that can either succeed or fail, but during the course of which we still want a bitmap tracking writes. On

[Qemu-devel] [PATCH v11 08/13] block: Add bitmap successors

2015-01-12 Thread John Snow
A bitmap successor is an anonymous BdrvDirtyBitmap that is intended to be created just prior to a sensitive operation (e.g. Incremental Backup) that can either succeed or fail, but during the course of which we still want a bitmap tracking writes. On creating a successor, we freeze the parent