Re: [Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-31 Thread Wen Congyang
On 05/27/2015 08:31 PM, Kevin Wolf wrote: > Am 21.05.2015 um 07:47 hat Wen Congyang geschrieben: >> On 05/09/2015 01:21 AM, Kevin Wolf wrote: >>> For bs->file, using references to existing BDSes has been possible for a >>> while already. This patch enables the same for bs->backing_hd. >> >> 1. We r

Re: [Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-28 Thread Wen Congyang
On 05/28/2015 05:48 PM, Kevin Wolf wrote: > Am 28.05.2015 um 02:59 hat Wen Congyang geschrieben: >> On 05/27/2015 08:31 PM, Kevin Wolf wrote: >>> Am 21.05.2015 um 07:47 hat Wen Congyang geschrieben: On 05/09/2015 01:21 AM, Kevin Wolf wrote: > For bs->file, using references to existing BDSe

Re: [Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-28 Thread Kevin Wolf
Am 28.05.2015 um 02:59 hat Wen Congyang geschrieben: > On 05/27/2015 08:31 PM, Kevin Wolf wrote: > > Am 21.05.2015 um 07:47 hat Wen Congyang geschrieben: > >> On 05/09/2015 01:21 AM, Kevin Wolf wrote: > >>> For bs->file, using references to existing BDSes has been possible for a > >>> while already

Re: [Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-27 Thread Wen Congyang
On 05/27/2015 08:31 PM, Kevin Wolf wrote: > Am 21.05.2015 um 07:47 hat Wen Congyang geschrieben: >> On 05/09/2015 01:21 AM, Kevin Wolf wrote: >>> For bs->file, using references to existing BDSes has been possible for a >>> while already. This patch enables the same for bs->backing_hd. >> >> 1. We r

Re: [Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-27 Thread Kevin Wolf
Am 21.05.2015 um 07:47 hat Wen Congyang geschrieben: > On 05/09/2015 01:21 AM, Kevin Wolf wrote: > > For bs->file, using references to existing BDSes has been possible for a > > while already. This patch enables the same for bs->backing_hd. > > 1. We reference to an existing BDSes, and some disk u

Re: [Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-20 Thread Wen Congyang
On 05/09/2015 01:21 AM, Kevin Wolf wrote: > For bs->file, using references to existing BDSes has been possible for a > while already. This patch enables the same for bs->backing_hd. 1. We reference to an existing BDSes, and some disk uses this blk. Do we allow this? 2. bs->backing_hd->blk can be n

Re: [Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-12 Thread Eric Blake
On 05/08/2015 11:21 AM, Kevin Wolf wrote: > For bs->file, using references to existing BDSes has been possible for a > while already. This patch enables the same for bs->backing_hd. > > Signed-off-by: Kevin Wolf > --- > block.c | 42 -- > blo

Re: [Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-11 Thread Max Reitz
On 08.05.2015 19:21, Kevin Wolf wrote: For bs->file, using references to existing BDSes has been possible for a while already. This patch enables the same for bs->backing_hd. Signed-off-by: Kevin Wolf --- block.c | 42 -- block/mirror.c

[Qemu-devel] [PATCH 11/34] block: Allow references for backing files

2015-05-08 Thread Kevin Wolf
For bs->file, using references to existing BDSes has been possible for a while already. This patch enables the same for bs->backing_hd. Signed-off-by: Kevin Wolf --- block.c | 42 -- block/mirror.c| 2 +- include/block/block.h | 3 +