> -----Original Message----- > From: Paolo Bonzini [mailto:pbonz...@redhat.com] > Sent: Freitag, 22. Februar 2013 19:07 > To: Dietmar Maurer > Cc: Stefan Hajnoczi; Kevin Wolf; qemu-devel@nongnu.org; Wenchao Xia > Subject: Re: [PATCH v4 0/6] Efficient VM backup for qemu > > Il 22/02/2013 18:57, Dietmar Maurer ha scritto: > >>> If we use nbd, how can we pass additional information to the other > >>> side, for example information about unallocated regions? > >>> > >> > >> You can either send trim commands, or just skip those regions and let > >> the other side figure it out. > > > > But we are lost if we want to transfer something else? I am currently > > not sure what we want to transfer, but I am sure we will find something in > future. > > > > Or can we simply add a header to each write with additional information? > > Let's discuss it once we have a clearer picture of what that additional info > would > be. > > Paolo >
- Re: [Qemu-devel] [PATCH v4 0/6] Efficient... Paolo Bonzini
- Re: [Qemu-devel] [PATCH v4 0/6] Effi... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Paolo Bonzini
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Paolo Bonzini
- Re: [Qemu-devel] [PATCH v4 0/6] ... Stefan Hajnoczi
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Paolo Bonzini
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Paolo Bonzini
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Stefan Hajnoczi
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Paolo Bonzini
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Stefan Hajnoczi
- Re: [Qemu-devel] [PATCH v4 0/6] ... Dietmar Maurer
- Re: [Qemu-devel] [PATCH v4 0/6] ... Paolo Bonzini
- Re: [Qemu-devel] [PATCH v4 0/6] Efficient VM backup for qe... Dietmar Maurer