Re: [Qemu-block] [Qemu-devel] [PATCH] qemu-img: implement copy offload (-C) for dd

2019-02-25 Thread Sergio Lopez
On Mon, Feb 25, 2019 at 03:01:22PM +0100, Kevin Wolf wrote: > Am 25.02.2019 um 14:40 hat Sergio Lopez geschrieben: > > On Fri, Feb 22, 2019 at 11:04:25AM +0100, Kevin Wolf wrote: > > > Am 21.02.2019 um 20:32 hat Sergio Lopez geschrieben: > > > > On Thu, Feb 21, 2019 at 12:08:12PM -0600, Eric Blake

Re: [Qemu-block] [Qemu-devel] [PATCH] qemu-img: implement copy offload (-C) for dd

2019-02-25 Thread Kevin Wolf
Am 25.02.2019 um 14:40 hat Sergio Lopez geschrieben: > On Fri, Feb 22, 2019 at 11:04:25AM +0100, Kevin Wolf wrote: > > Am 21.02.2019 um 20:32 hat Sergio Lopez geschrieben: > > > On Thu, Feb 21, 2019 at 12:08:12PM -0600, Eric Blake wrote: > > > > On 2/21/19 11:37 AM, Sergio Lopez wrote: > > > > > Th

Re: [Qemu-block] [Qemu-devel] [PATCH] qemu-img: implement copy offload (-C) for dd

2019-02-25 Thread Sergio Lopez
On Fri, Feb 22, 2019 at 11:04:25AM +0100, Kevin Wolf wrote: > Am 21.02.2019 um 20:32 hat Sergio Lopez geschrieben: > > On Thu, Feb 21, 2019 at 12:08:12PM -0600, Eric Blake wrote: > > > On 2/21/19 11:37 AM, Sergio Lopez wrote: > > > > This parameter is analogous to convert's "-C", making use of > >

Re: [Qemu-block] [Qemu-devel] [PATCH] qemu-img: implement copy offload (-C) for dd

2019-02-22 Thread Kevin Wolf
Am 21.02.2019 um 20:32 hat Sergio Lopez geschrieben: > On Thu, Feb 21, 2019 at 12:08:12PM -0600, Eric Blake wrote: > > On 2/21/19 11:37 AM, Sergio Lopez wrote: > > > This parameter is analogous to convert's "-C", making use of > > > bdrv_co_copy_range(). > > > > The last time I tried to patch 'qem

Re: [Qemu-block] [Qemu-devel] [PATCH] qemu-img: implement copy offload (-C) for dd

2019-02-21 Thread Sergio Lopez
On Thu, Feb 21, 2019 at 12:08:12PM -0600, Eric Blake wrote: > On 2/21/19 11:37 AM, Sergio Lopez wrote: > > This parameter is analogous to convert's "-C", making use of > > bdrv_co_copy_range(). > > The last time I tried to patch 'qemu-img dd', it was pointed out that it > already has several bugs

Re: [Qemu-block] [Qemu-devel] [PATCH] qemu-img: implement copy offload (-C) for dd

2019-02-21 Thread Eric Blake
On 2/21/19 11:37 AM, Sergio Lopez wrote: > This parameter is analogous to convert's "-C", making use of > bdrv_co_copy_range(). The last time I tried to patch 'qemu-img dd', it was pointed out that it already has several bugs (where it is not on feature-parity with real dd), and that we REALLY wan