[Qemu-devel] [PATCH 1/2] block: use internal filter node in backup

2017-08-14 Thread Manos Pitsidianakis
block/backup.c currently uses before write notifiers on the targeted node. We can create a filter node instead to intercept write requests for the backup job on the BDS level, instead of the BlockBackend level. Signed-off-by: Manos Pitsidianakis --- block.c| 89 +

Re: [Qemu-devel] [PATCH 1/2] block: use internal filter node in backup

2017-08-15 Thread Vladimir Sementsov-Ogievskiy
15.08.2017 09:19, Manos Pitsidianakis wrote: block/backup.c currently uses before write notifiers on the targeted node. We can create a filter node instead to intercept write requests for the backup job on the BDS level, instead of the BlockBackend level. Hi Manos! Looks interesting but what

Re: [Qemu-devel] [PATCH 1/2] block: use internal filter node in backup

2017-08-15 Thread Manos Pitsidianakis
On Tue, Aug 15, 2017 at 10:44:15AM +0300, Vladimir Sementsov-Ogievskiy wrote: 15.08.2017 09:19, Manos Pitsidianakis wrote: block/backup.c currently uses before write notifiers on the targeted node. We can create a filter node instead to intercept write requests for the backup job on the BDS leve