[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1)
From: |
Dietmar Maurer |
Subject: |
Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1) |
Date: |
Fri, 23 Nov 2012 09:31:20 +0000 |
> > >> Filters would be implemented as BlockDrivers, i.e. you could
> > >> implement
> > >> .bdrv_co_write() in a filter to intercept all writes to an image.
> > >
> > > I am quite unsure if that make things easier.
> >
> > At least it would make for a much cleaner design compared to putting
> > code for every feature you can think of into bdrv_co_do_readv/writev().
>
> So if you want to add a filter, you simply modify bs->drv to point to the
> filter?
Seems the BlockDriver struct does not contain any 'state' (I guess that is by
design),
so where do you store filter related dynamic data?
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), (continued)
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Kevin Wolf, 2012/11/23
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Markus Armbruster, 2012/11/23
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/21
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Kevin Wolf, 2012/11/21
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/21
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/23
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Kevin Wolf, 2012/11/23
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/23
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1),
Dietmar Maurer <=
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Kevin Wolf, 2012/11/23
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/26
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Paolo Bonzini, 2012/11/26
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/27
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/27
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Kevin Wolf, 2012/11/27
- Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/27
Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Dietmar Maurer, 2012/11/21
Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu (v1), Stefan Hajnoczi, 2012/11/22