Re: [Qemu-block] [PATCH for-2.11 v2] file-posix: Clear out first sector in hdev_create

2017-09-07 Thread Kevin Wolf
Am 11.08.2017 um 10:09 hat Fam Zheng geschrieben: > People get surprised when, after "qemu-img create -f raw /dev/sdX", they > still see qcow2 with "qemu-img info", if previously the bdev had a qcow2 > header. While this is natural because raw doesn't need to write any > magic bytes during

Re: [Qemu-block] [PATCH for-2.11 v2] file-posix: Clear out first sector in hdev_create

2017-08-11 Thread Fam Zheng
On Fri, 08/11 09:42, Eric Blake wrote: > On 08/11/2017 03:09 AM, Fam Zheng wrote: > > People get surprised when, after "qemu-img create -f raw /dev/sdX", they > > still see qcow2 with "qemu-img info", if previously the bdev had a qcow2 > > header. While this is natural because raw doesn't need to

Re: [Qemu-block] [PATCH for-2.11 v2] file-posix: Clear out first sector in hdev_create

2017-08-11 Thread Eric Blake
On 08/11/2017 03:09 AM, Fam Zheng wrote: > People get surprised when, after "qemu-img create -f raw /dev/sdX", they > still see qcow2 with "qemu-img info", if previously the bdev had a qcow2 > header. While this is natural because raw doesn't need to write any > magic bytes during creation,