Re: [PATCH v2] block: Improve backing file validation

2021-05-17 Thread lizhij...@fujitsu.com
On 12/05/2021 23.10, Kevin Wolf wrote: > Am 11.05.2021 um 10:35 hat Daniel P. Berrangé geschrieben: >> On Tue, May 11, 2021 at 01:55:18PM +0800, Li Zhijian wrote: >>> void bdrv_img_create(const char *filename, const char *fmt, >>>const char *base_filename, const char

Re: [PATCH v2] block: Improve backing file validation

2021-05-12 Thread Kevin Wolf
Am 11.05.2021 um 10:35 hat Daniel P. Berrangé geschrieben: > On Tue, May 11, 2021 at 01:55:18PM +0800, Li Zhijian wrote: > > Image below user cases: > > case 1: > > ``` > > $ qemu-img create -f raw source.raw 1G > > $ qemu-img create -f qcow2 -F raw -b source.raw ./source.raw > > qemu-img info

Re: [PATCH v2] block: Improve backing file validation

2021-05-11 Thread Daniel P . Berrangé
On Tue, May 11, 2021 at 01:55:18PM +0800, Li Zhijian wrote: > Image below user cases: > case 1: > ``` > $ qemu-img create -f raw source.raw 1G > $ qemu-img create -f qcow2 -F raw -b source.raw ./source.raw > qemu-img info source.raw > image: source.raw > file format: qcow2 > virtual size: 193K

[PATCH v2] block: Improve backing file validation

2021-05-11 Thread Li Zhijian
Image below user cases: case 1: ``` $ qemu-img create -f raw source.raw 1G $ qemu-img create -f qcow2 -F raw -b source.raw ./source.raw qemu-img info source.raw image: source.raw file format: qcow2 virtual size: 193K (197120 bytes) disk size: 196K cluster_size: 65536 backing file: source.raw