Re: [Qemu-devel] [PATCH v5 09/21] block: Add bitmap successors

2015-04-17 Thread John Snow
On 04/17/2015 06:43 PM, Eric Blake wrote: On 04/08/2015 04:19 PM, 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 v5 09/21] block: Add bitmap successors

2015-04-17 Thread Eric Blake
On 04/08/2015 04:19 PM, 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. >

[Qemu-devel] [PATCH v5 09/21] block: Add bitmap successors

2015-04-08 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 bi